annotate src/undo.c @ 15671:0a4dfbb312ce v8.1.0843

patch 8.1.0843: memory leak when running "make test_cd" commit https://github.com/vim/vim/commit/e0de2164f62a1736cdc64dbf804b77db8af90c10 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jan 29 20:17:28 2019 +0100 patch 8.1.0843: memory leak when running "make test_cd" Problem: Memory leak when running "make test_cd". Solution: Free the stack element when failing. (Dominique Pelle, closes #3877)
author Bram Moolenaar <Bram@vim.org>
date Tue, 29 Jan 2019 20:30:14 +0100
parents 6f1c7e9a6393
children 7fad90423bd2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
10042
4aead6a9b7a9 commit https://github.com/vim/vim/commit/edf3f97ae2af024708ebb4ac614227327033ca47
Christian Brabandt <cb@256bit.org>
parents: 9674
diff changeset
1 /* vi:set ts=8 sts=4 sw=4 noet:
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3 * VIM - Vi IMproved by Bram Moolenaar
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5 * Do ":help uganda" in Vim to read copying and usage conditions.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
6 * Do ":help credits" in Vim to see a list of people who contributed.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
7 * See README.txt for an overview of the Vim source code.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
8 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
9
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
10 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
11 * undo.c: multi level undo facility
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
12 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
13 * The saved lines are stored in a list of lists (one for each buffer):
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
14 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
15 * b_u_oldhead------------------------------------------------+
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
16 * |
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
17 * V
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
18 * +--------------+ +--------------+ +--------------+
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
19 * b_u_newhead--->| u_header | | u_header | | u_header |
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
20 * | uh_next------>| uh_next------>| uh_next---->NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
21 * NULL<--------uh_prev |<---------uh_prev |<---------uh_prev |
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
22 * | uh_entry | | uh_entry | | uh_entry |
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
23 * +--------|-----+ +--------|-----+ +--------|-----+
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
24 * | | |
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
25 * V V V
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
26 * +--------------+ +--------------+ +--------------+
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
27 * | u_entry | | u_entry | | u_entry |
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
28 * | ue_next | | ue_next | | ue_next |
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
29 * +--------|-----+ +--------|-----+ +--------|-----+
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
30 * | | |
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
31 * V V V
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
32 * +--------------+ NULL NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
33 * | u_entry |
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
34 * | ue_next |
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
35 * +--------|-----+
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
36 * |
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
37 * V
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
38 * etc.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
39 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
40 * Each u_entry list contains the information for one undo or redo.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
41 * curbuf->b_u_curhead points to the header of the last undo (the next redo),
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
42 * or is NULL if nothing has been undone (end of the branch).
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
43 *
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
44 * For keeping alternate undo/redo branches the uh_alt field is used. Thus at
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
45 * each point in the list a branch may appear for an alternate to redo. The
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
46 * uh_seq field is numbered sequentially to be able to find a newer or older
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
47 * branch.
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
48 *
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
49 * +---------------+ +---------------+
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
50 * b_u_oldhead --->| u_header | | u_header |
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
51 * | uh_alt_next ---->| uh_alt_next ----> NULL
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
52 * NULL <----- uh_alt_prev |<------ uh_alt_prev |
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
53 * | uh_prev | | uh_prev |
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
54 * +-----|---------+ +-----|---------+
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
55 * | |
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
56 * V V
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
57 * +---------------+ +---------------+
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
58 * | u_header | | u_header |
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
59 * | uh_alt_next | | uh_alt_next |
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
60 * b_u_newhead --->| uh_alt_prev | | uh_alt_prev |
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
61 * | uh_prev | | uh_prev |
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
62 * +-----|---------+ +-----|---------+
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
63 * | |
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
64 * V V
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
65 * NULL +---------------+ +---------------+
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
66 * | u_header | | u_header |
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
67 * | uh_alt_next ---->| uh_alt_next |
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
68 * | uh_alt_prev |<------ uh_alt_prev |
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
69 * | uh_prev | | uh_prev |
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
70 * +-----|---------+ +-----|---------+
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
71 * | |
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
72 * etc. etc.
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
73 *
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
74 *
2230
290ee42cae85 Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents: 2229
diff changeset
75 * All data is allocated and will all be freed when the buffer is unloaded.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
76 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
77
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
78 /* Uncomment the next line for including the u_check() function. This warns
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
79 * for errors in the debug information. */
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
80 /* #define U_DEBUG 1 */
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
81 #define UH_MAGIC 0x18dade /* value for uh_magic when in use */
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
82 #define UE_MAGIC 0xabc123 /* value for ue_magic when in use */
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
83
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
84 /* Size of buffer used for encryption. */
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
85 #define CRYPT_BUF_SIZE 8192
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
86
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
87 #include "vim.h"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
88
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
89 /* Structure passed around between functions.
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
90 * Avoids passing cryptstate_T when encryption not available. */
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
91 typedef struct {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
92 buf_T *bi_buf;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
93 FILE *bi_fp;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
94 #ifdef FEAT_CRYPT
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
95 cryptstate_T *bi_state;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
96 char_u *bi_buffer; /* CRYPT_BUF_SIZE, NULL when not buffering */
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
97 size_t bi_used; /* bytes written to/read from bi_buffer */
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
98 size_t bi_avail; /* bytes available in bi_buffer */
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
99 #endif
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
100 } bufinfo_T;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
101
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
102
7805
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents: 6771
diff changeset
103 static void u_unch_branch(u_header_T *uhp);
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents: 6771
diff changeset
104 static u_entry_T *u_get_headentry(void);
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents: 6771
diff changeset
105 static void u_getbot(void);
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents: 6771
diff changeset
106 static void u_doit(int count);
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents: 6771
diff changeset
107 static void u_undoredo(int undo);
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents: 6771
diff changeset
108 static void u_undo_end(int did_undo, int absolute);
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents: 6771
diff changeset
109 static void u_add_time(char_u *buf, size_t buflen, time_t tt);
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents: 6771
diff changeset
110 static void u_freeheader(buf_T *buf, u_header_T *uhp, u_header_T **uhpp);
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents: 6771
diff changeset
111 static void u_freebranch(buf_T *buf, u_header_T *uhp, u_header_T **uhpp);
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents: 6771
diff changeset
112 static void u_freeentries(buf_T *buf, u_header_T *uhp, u_header_T **uhpp);
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents: 6771
diff changeset
113 static void u_freeentry(u_entry_T *, long);
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
114 #ifdef FEAT_PERSISTENT_UNDO
8128
985cd5917560 commit https://github.com/vim/vim/commit/1d6fbe654066845ff2a182ed258e6e9d3408fa90
Christian Brabandt <cb@256bit.org>
parents: 7835
diff changeset
115 # ifdef FEAT_CRYPT
7805
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents: 6771
diff changeset
116 static int undo_flush(bufinfo_T *bi);
8128
985cd5917560 commit https://github.com/vim/vim/commit/1d6fbe654066845ff2a182ed258e6e9d3408fa90
Christian Brabandt <cb@256bit.org>
parents: 7835
diff changeset
117 # endif
7805
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents: 6771
diff changeset
118 static int undo_read(bufinfo_T *bi, char_u *buffer, size_t size);
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents: 6771
diff changeset
119 static int serialize_uep(bufinfo_T *bi, u_entry_T *uep);
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents: 6771
diff changeset
120 static u_entry_T *unserialize_uep(bufinfo_T *bi, int *error, char_u *file_name);
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents: 6771
diff changeset
121 static void serialize_pos(bufinfo_T *bi, pos_T pos);
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents: 6771
diff changeset
122 static void unserialize_pos(bufinfo_T *bi, pos_T *pos);
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents: 6771
diff changeset
123 static void serialize_visualinfo(bufinfo_T *bi, visualinfo_T *info);
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents: 6771
diff changeset
124 static void unserialize_visualinfo(bufinfo_T *bi, visualinfo_T *info);
168
4d9eabb1396e updated for version 7.0051
vimboss
parents: 33
diff changeset
125 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
126
2230
290ee42cae85 Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents: 2229
diff changeset
127 #define U_ALLOC_LINE(size) lalloc((long_u)(size), FALSE)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
128
2281
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
129 /* used in undo_end() to report number of added and deleted lines */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
130 static long u_newcount, u_oldcount;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
131
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
132 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
133 * When 'u' flag included in 'cpoptions', we behave like vi. Need to remember
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
134 * the action that "u" should do.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
135 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
136 static int undo_undoes = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
137
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
138 static int lastmark = 0;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
139
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
140 #if defined(U_DEBUG) || defined(PROTO)
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
141 /*
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
142 * Check the undo structures for being valid. Print a warning when something
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
143 * looks wrong.
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
144 */
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
145 static int seen_b_u_curhead;
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
146 static int seen_b_u_newhead;
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
147 static int header_count;
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
148
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
149 static void
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
150 u_check_tree(u_header_T *uhp,
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
151 u_header_T *exp_uh_next,
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
152 u_header_T *exp_uh_alt_prev)
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
153 {
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
154 u_entry_T *uep;
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
155
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
156 if (uhp == NULL)
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
157 return;
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
158 ++header_count;
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
159 if (uhp == curbuf->b_u_curhead && ++seen_b_u_curhead > 1)
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
160 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
161 emsg("b_u_curhead found twice (looping?)");
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
162 return;
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
163 }
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
164 if (uhp == curbuf->b_u_newhead && ++seen_b_u_newhead > 1)
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
165 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
166 emsg("b_u_newhead found twice (looping?)");
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
167 return;
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
168 }
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
169
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
170 if (uhp->uh_magic != UH_MAGIC)
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
171 emsg("uh_magic wrong (may be using freed memory)");
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
172 else
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
173 {
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
174 /* Check pointers back are correct. */
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
175 if (uhp->uh_next.ptr != exp_uh_next)
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
176 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
177 emsg("uh_next wrong");
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
178 smsg("expected: 0x%x, actual: 0x%x",
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
179 exp_uh_next, uhp->uh_next.ptr);
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
180 }
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
181 if (uhp->uh_alt_prev.ptr != exp_uh_alt_prev)
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
182 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
183 emsg("uh_alt_prev wrong");
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
184 smsg("expected: 0x%x, actual: 0x%x",
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
185 exp_uh_alt_prev, uhp->uh_alt_prev.ptr);
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
186 }
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
187
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
188 /* Check the undo tree at this header. */
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
189 for (uep = uhp->uh_entry; uep != NULL; uep = uep->ue_next)
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
190 {
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
191 if (uep->ue_magic != UE_MAGIC)
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
192 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
193 emsg("ue_magic wrong (may be using freed memory)");
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
194 break;
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
195 }
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
196 }
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
197
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
198 /* Check the next alt tree. */
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
199 u_check_tree(uhp->uh_alt_next.ptr, uhp->uh_next.ptr, uhp);
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
200
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
201 /* Check the next header in this branch. */
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
202 u_check_tree(uhp->uh_prev.ptr, uhp, NULL);
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
203 }
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
204 }
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
205
2189
cb94c42c0e1a updated for version 7.2.445
Bram Moolenaar <bram@vim.org>
parents: 2181
diff changeset
206 static void
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
207 u_check(int newhead_may_be_NULL)
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
208 {
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
209 seen_b_u_newhead = 0;
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
210 seen_b_u_curhead = 0;
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
211 header_count = 0;
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
212
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
213 u_check_tree(curbuf->b_u_oldhead, NULL, NULL);
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
214
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
215 if (seen_b_u_newhead == 0 && curbuf->b_u_oldhead != NULL
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
216 && !(newhead_may_be_NULL && curbuf->b_u_newhead == NULL))
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
217 semsg("b_u_newhead invalid: 0x%x", curbuf->b_u_newhead);
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
218 if (curbuf->b_u_curhead != NULL && seen_b_u_curhead == 0)
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
219 semsg("b_u_curhead invalid: 0x%x", curbuf->b_u_curhead);
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
220 if (header_count != curbuf->b_u_numhead)
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
221 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
222 emsg("b_u_numhead invalid");
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
223 smsg("expected: %ld, actual: %ld",
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
224 (long)header_count, (long)curbuf->b_u_numhead);
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
225 }
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
226 }
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
227 #endif
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
228
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
229 /*
344
7033303ea0c0 updated for version 7.0089
vimboss
parents: 179
diff changeset
230 * Save the current line for both the "u" and "U" command.
4303
790238e5a46c updated for version 7.3.901
Bram Moolenaar <bram@vim.org>
parents: 3751
diff changeset
231 * Careful: may trigger autocommands that reload the buffer.
344
7033303ea0c0 updated for version 7.0089
vimboss
parents: 179
diff changeset
232 * Returns OK or FAIL.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
233 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
234 int
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
235 u_save_cursor(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
236 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
237 return (u_save((linenr_T)(curwin->w_cursor.lnum - 1),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
238 (linenr_T)(curwin->w_cursor.lnum + 1)));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
239 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
240
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
241 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
242 * Save the lines between "top" and "bot" for both the "u" and "U" command.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
243 * "top" may be 0 and bot may be curbuf->b_ml.ml_line_count + 1.
2289
3331756e4232 Make synstack() work on the character just after the end of the line.
Bram Moolenaar <bram@vim.org>
parents: 2288
diff changeset
244 * Careful: may trigger autocommands that reload the buffer.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
245 * Returns FAIL when lines could not be saved, OK otherwise.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
246 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
247 int
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
248 u_save(linenr_T top, linenr_T bot)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
249 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
250 if (undo_off)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
251 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
252
14327
b8f1167aa8ad patch 8.1.0179: redundant condition for boundary check
Christian Brabandt <cb@256bit.org>
parents: 14301
diff changeset
253 if (top >= bot || bot > curbuf->b_ml.ml_line_count + 1)
b8f1167aa8ad patch 8.1.0179: redundant condition for boundary check
Christian Brabandt <cb@256bit.org>
parents: 14301
diff changeset
254 return FAIL; // rely on caller to give an error message
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
255
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
256 if (top + 2 == bot)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
257 u_saveline((linenr_T)(top + 1));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
258
2394
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
259 return (u_savecommon(top, bot, (linenr_T)0, FALSE));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
260 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
261
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
262 /*
2181
f838615313cd updated for version 7.2.441
Bram Moolenaar <bram@vim.org>
parents: 2165
diff changeset
263 * Save the line "lnum" (used by ":s" and "~" command).
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
264 * The line is replaced, so the new bottom line is lnum + 1.
2289
3331756e4232 Make synstack() work on the character just after the end of the line.
Bram Moolenaar <bram@vim.org>
parents: 2288
diff changeset
265 * Careful: may trigger autocommands that reload the buffer.
3331756e4232 Make synstack() work on the character just after the end of the line.
Bram Moolenaar <bram@vim.org>
parents: 2288
diff changeset
266 * Returns FAIL when lines could not be saved, OK otherwise.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
267 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
268 int
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
269 u_savesub(linenr_T lnum)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
270 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
271 if (undo_off)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
272 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
273
2394
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
274 return (u_savecommon(lnum - 1, lnum + 1, lnum + 1, FALSE));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
275 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
276
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
277 /*
2181
f838615313cd updated for version 7.2.441
Bram Moolenaar <bram@vim.org>
parents: 2165
diff changeset
278 * A new line is inserted before line "lnum" (used by :s command).
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
279 * The line is inserted, so the new bottom line is lnum + 1.
2289
3331756e4232 Make synstack() work on the character just after the end of the line.
Bram Moolenaar <bram@vim.org>
parents: 2288
diff changeset
280 * Careful: may trigger autocommands that reload the buffer.
3331756e4232 Make synstack() work on the character just after the end of the line.
Bram Moolenaar <bram@vim.org>
parents: 2288
diff changeset
281 * Returns FAIL when lines could not be saved, OK otherwise.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
282 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
283 int
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
284 u_inssub(linenr_T lnum)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
285 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
286 if (undo_off)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
287 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
288
2394
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
289 return (u_savecommon(lnum - 1, lnum, lnum + 1, FALSE));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
290 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
291
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
292 /*
2181
f838615313cd updated for version 7.2.441
Bram Moolenaar <bram@vim.org>
parents: 2165
diff changeset
293 * Save the lines "lnum" - "lnum" + nlines (used by delete command).
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
294 * The lines are deleted, so the new bottom line is lnum, unless the buffer
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
295 * becomes empty.
2289
3331756e4232 Make synstack() work on the character just after the end of the line.
Bram Moolenaar <bram@vim.org>
parents: 2288
diff changeset
296 * Careful: may trigger autocommands that reload the buffer.
3331756e4232 Make synstack() work on the character just after the end of the line.
Bram Moolenaar <bram@vim.org>
parents: 2288
diff changeset
297 * Returns FAIL when lines could not be saved, OK otherwise.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
298 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
299 int
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
300 u_savedel(linenr_T lnum, long nlines)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
301 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
302 if (undo_off)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
303 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
304
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
305 return (u_savecommon(lnum - 1, lnum + nlines,
2394
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
306 nlines == curbuf->b_ml.ml_line_count ? 2 : lnum, FALSE));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
307 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
308
632
b6632d553df3 updated for version 7.0182
vimboss
parents: 481
diff changeset
309 /*
b6632d553df3 updated for version 7.0182
vimboss
parents: 481
diff changeset
310 * Return TRUE when undo is allowed. Otherwise give an error message and
b6632d553df3 updated for version 7.0182
vimboss
parents: 481
diff changeset
311 * return FALSE.
b6632d553df3 updated for version 7.0182
vimboss
parents: 481
diff changeset
312 */
912
adf6a9dcaded updated for version 7.0-038
vimboss
parents: 839
diff changeset
313 int
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
314 undo_allowed(void)
632
b6632d553df3 updated for version 7.0182
vimboss
parents: 481
diff changeset
315 {
b6632d553df3 updated for version 7.0182
vimboss
parents: 481
diff changeset
316 /* Don't allow changes when 'modifiable' is off. */
b6632d553df3 updated for version 7.0182
vimboss
parents: 481
diff changeset
317 if (!curbuf->b_p_ma)
b6632d553df3 updated for version 7.0182
vimboss
parents: 481
diff changeset
318 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
319 emsg(_(e_modifiable));
632
b6632d553df3 updated for version 7.0182
vimboss
parents: 481
diff changeset
320 return FALSE;
b6632d553df3 updated for version 7.0182
vimboss
parents: 481
diff changeset
321 }
b6632d553df3 updated for version 7.0182
vimboss
parents: 481
diff changeset
322
b6632d553df3 updated for version 7.0182
vimboss
parents: 481
diff changeset
323 #ifdef HAVE_SANDBOX
b6632d553df3 updated for version 7.0182
vimboss
parents: 481
diff changeset
324 /* In the sandbox it's not allowed to change the text. */
b6632d553df3 updated for version 7.0182
vimboss
parents: 481
diff changeset
325 if (sandbox != 0)
b6632d553df3 updated for version 7.0182
vimboss
parents: 481
diff changeset
326 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
327 emsg(_(e_sandbox));
632
b6632d553df3 updated for version 7.0182
vimboss
parents: 481
diff changeset
328 return FALSE;
b6632d553df3 updated for version 7.0182
vimboss
parents: 481
diff changeset
329 }
b6632d553df3 updated for version 7.0182
vimboss
parents: 481
diff changeset
330 #endif
b6632d553df3 updated for version 7.0182
vimboss
parents: 481
diff changeset
331
b6632d553df3 updated for version 7.0182
vimboss
parents: 481
diff changeset
332 /* Don't allow changes in the buffer while editing the cmdline. The
b6632d553df3 updated for version 7.0182
vimboss
parents: 481
diff changeset
333 * caller of getcmdline() may get confused. */
634
1c586ee8dd45 updated for version 7.0183
vimboss
parents: 632
diff changeset
334 if (textlock != 0)
632
b6632d553df3 updated for version 7.0182
vimboss
parents: 481
diff changeset
335 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
336 emsg(_(e_secure));
632
b6632d553df3 updated for version 7.0182
vimboss
parents: 481
diff changeset
337 return FALSE;
b6632d553df3 updated for version 7.0182
vimboss
parents: 481
diff changeset
338 }
b6632d553df3 updated for version 7.0182
vimboss
parents: 481
diff changeset
339
b6632d553df3 updated for version 7.0182
vimboss
parents: 481
diff changeset
340 return TRUE;
b6632d553df3 updated for version 7.0182
vimboss
parents: 481
diff changeset
341 }
b6632d553df3 updated for version 7.0182
vimboss
parents: 481
diff changeset
342
2189
cb94c42c0e1a updated for version 7.2.445
Bram Moolenaar <bram@vim.org>
parents: 2181
diff changeset
343 /*
5446
d0595545e98a updated for version 7.4.073
Bram Moolenaar <bram@vim.org>
parents: 5343
diff changeset
344 * Get the undolevle value for the current buffer.
d0595545e98a updated for version 7.4.073
Bram Moolenaar <bram@vim.org>
parents: 5343
diff changeset
345 */
d0595545e98a updated for version 7.4.073
Bram Moolenaar <bram@vim.org>
parents: 5343
diff changeset
346 static long
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
347 get_undolevel(void)
5446
d0595545e98a updated for version 7.4.073
Bram Moolenaar <bram@vim.org>
parents: 5343
diff changeset
348 {
d0595545e98a updated for version 7.4.073
Bram Moolenaar <bram@vim.org>
parents: 5343
diff changeset
349 if (curbuf->b_p_ul == NO_LOCAL_UNDOLEVEL)
d0595545e98a updated for version 7.4.073
Bram Moolenaar <bram@vim.org>
parents: 5343
diff changeset
350 return p_ul;
d0595545e98a updated for version 7.4.073
Bram Moolenaar <bram@vim.org>
parents: 5343
diff changeset
351 return curbuf->b_p_ul;
d0595545e98a updated for version 7.4.073
Bram Moolenaar <bram@vim.org>
parents: 5343
diff changeset
352 }
d0595545e98a updated for version 7.4.073
Bram Moolenaar <bram@vim.org>
parents: 5343
diff changeset
353
d0595545e98a updated for version 7.4.073
Bram Moolenaar <bram@vim.org>
parents: 5343
diff changeset
354 /*
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
355 * u_save_line(): save an allocated copy of line "lnum" into "ul".
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
356 * Returns FAIL when out of memory.
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
357 */
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
358 static int
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
359 u_save_line(undoline_T *ul, linenr_T lnum)
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
360 {
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
361 char_u *line = ml_get(lnum);
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
362
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
363 if (curbuf->b_ml.ml_line_len == 0)
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
364 {
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
365 ul->ul_len = 1;
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
366 ul->ul_line = vim_strsave((char_u *)"");
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
367 }
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
368 else
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
369 {
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
370 ul->ul_len = curbuf->b_ml.ml_line_len;
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
371 ul->ul_line = vim_memsave(line, ul->ul_len);
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
372 }
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
373 return ul->ul_line == NULL ? FAIL : OK;
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
374 }
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
375
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
376 /*
2189
cb94c42c0e1a updated for version 7.2.445
Bram Moolenaar <bram@vim.org>
parents: 2181
diff changeset
377 * Common code for various ways to save text before a change.
2289
3331756e4232 Make synstack() work on the character just after the end of the line.
Bram Moolenaar <bram@vim.org>
parents: 2288
diff changeset
378 * "top" is the line above the first changed line.
3331756e4232 Make synstack() work on the character just after the end of the line.
Bram Moolenaar <bram@vim.org>
parents: 2288
diff changeset
379 * "bot" is the line below the last changed line.
2394
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
380 * "newbot" is the new bottom line. Use zero when not known.
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
381 * "reload" is TRUE when saving for a buffer reload.
2289
3331756e4232 Make synstack() work on the character just after the end of the line.
Bram Moolenaar <bram@vim.org>
parents: 2288
diff changeset
382 * Careful: may trigger autocommands that reload the buffer.
3331756e4232 Make synstack() work on the character just after the end of the line.
Bram Moolenaar <bram@vim.org>
parents: 2288
diff changeset
383 * Returns FAIL when lines could not be saved, OK otherwise.
2189
cb94c42c0e1a updated for version 7.2.445
Bram Moolenaar <bram@vim.org>
parents: 2181
diff changeset
384 */
2394
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
385 int
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
386 u_savecommon(
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
387 linenr_T top,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
388 linenr_T bot,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
389 linenr_T newbot,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
390 int reload)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
391 {
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
392 linenr_T lnum;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
393 long i;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
394 u_header_T *uhp;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
395 u_header_T *old_curhead;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
396 u_entry_T *uep;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
397 u_entry_T *prev_uep;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
398 long size;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
399
2394
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
400 if (!reload)
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
401 {
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
402 /* When making changes is not allowed return FAIL. It's a crude way
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
403 * to make all change commands fail. */
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
404 if (!undo_allowed())
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
405 return FAIL;
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
406
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
407 #ifdef FEAT_NETBEANS_INTG
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
408 /*
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
409 * Netbeans defines areas that cannot be modified. Bail out here when
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
410 * trying to change text in a guarded area.
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
411 */
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
412 if (netbeans_active())
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
413 {
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
414 if (netbeans_is_guarded(top, bot))
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
415 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
416 emsg(_(e_guarded));
2394
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
417 return FAIL;
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
418 }
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
419 if (curbuf->b_p_ro)
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
420 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
421 emsg(_(e_nbreadonly));
2394
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
422 return FAIL;
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
423 }
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
424 }
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
425 #endif
11836
f080b225a2a4 patch 8.0.0798: no highlighting in a terminal window with a finished job
Christian Brabandt <cb@256bit.org>
parents: 11506
diff changeset
426 #ifdef FEAT_TERMINAL
f080b225a2a4 patch 8.0.0798: no highlighting in a terminal window with a finished job
Christian Brabandt <cb@256bit.org>
parents: 11506
diff changeset
427 /* A change in a terminal buffer removes the highlighting. */
f080b225a2a4 patch 8.0.0798: no highlighting in a terminal window with a finished job
Christian Brabandt <cb@256bit.org>
parents: 11506
diff changeset
428 term_change_in_curbuf();
f080b225a2a4 patch 8.0.0798: no highlighting in a terminal window with a finished job
Christian Brabandt <cb@256bit.org>
parents: 11506
diff changeset
429 #endif
2394
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
430
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
431 /*
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
432 * Saving text for undo means we are going to make a change. Give a
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
433 * warning for a read-only file before making the change, so that the
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
434 * FileChangedRO event can replace the buffer with a read-write version
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
435 * (e.g., obtained from a source control system).
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
436 */
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
437 change_warning(0);
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
438 if (bot > curbuf->b_ml.ml_line_count + 1)
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
439 {
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
440 /* This happens when the FileChangedRO autocommand changes the
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
441 * file in a way it becomes shorter. */
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
442 emsg(_("E881: Line count changed unexpectedly"));
2394
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
443 return FAIL;
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
444 }
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
445 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
446
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
447 #ifdef U_DEBUG
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
448 u_check(FALSE);
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
449 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
450
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
451 size = bot - top - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
452
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
453 /*
2189
cb94c42c0e1a updated for version 7.2.445
Bram Moolenaar <bram@vim.org>
parents: 2181
diff changeset
454 * If curbuf->b_u_synced == TRUE make a new header.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
455 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
456 if (curbuf->b_u_synced)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
457 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
458 #ifdef FEAT_JUMPLIST
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
459 /* Need to create new entry in b_changelist. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
460 curbuf->b_new_change = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
461 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
462
5446
d0595545e98a updated for version 7.4.073
Bram Moolenaar <bram@vim.org>
parents: 5343
diff changeset
463 if (get_undolevel() >= 0)
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
464 {
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
465 /*
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
466 * Make a new header entry. Do this first so that we don't mess
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
467 * up the undo info when out of memory.
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
468 */
2230
290ee42cae85 Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents: 2229
diff changeset
469 uhp = (u_header_T *)U_ALLOC_LINE(sizeof(u_header_T));
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
470 if (uhp == NULL)
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
471 goto nomem;
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
472 #ifdef U_DEBUG
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
473 uhp->uh_magic = UH_MAGIC;
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
474 #endif
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
475 }
766
f0d0d3d3a1e2 updated for version 7.0225
vimboss
parents: 758
diff changeset
476 else
f0d0d3d3a1e2 updated for version 7.0225
vimboss
parents: 758
diff changeset
477 uhp = NULL;
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
478
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
479 /*
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
480 * If we undid more than we redid, move the entry lists before and
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
481 * including curbuf->b_u_curhead to an alternate branch.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
482 */
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
483 old_curhead = curbuf->b_u_curhead;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
484 if (old_curhead != NULL)
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
485 {
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
486 curbuf->b_u_newhead = old_curhead->uh_next.ptr;
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
487 curbuf->b_u_curhead = NULL;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
488 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
489
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
490 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
491 * free headers to keep the size right
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
492 */
5446
d0595545e98a updated for version 7.4.073
Bram Moolenaar <bram@vim.org>
parents: 5343
diff changeset
493 while (curbuf->b_u_numhead > get_undolevel()
d0595545e98a updated for version 7.4.073
Bram Moolenaar <bram@vim.org>
parents: 5343
diff changeset
494 && curbuf->b_u_oldhead != NULL)
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
495 {
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
496 u_header_T *uhfree = curbuf->b_u_oldhead;
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
497
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
498 if (uhfree == old_curhead)
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
499 /* Can't reconnect the branch, delete all of it. */
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
500 u_freebranch(curbuf, uhfree, &old_curhead);
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
501 else if (uhfree->uh_alt_next.ptr == NULL)
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
502 /* There is no branch, only free one header. */
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
503 u_freeheader(curbuf, uhfree, &old_curhead);
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
504 else
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
505 {
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
506 /* Free the oldest alternate branch as a whole. */
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
507 while (uhfree->uh_alt_next.ptr != NULL)
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
508 uhfree = uhfree->uh_alt_next.ptr;
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
509 u_freebranch(curbuf, uhfree, &old_curhead);
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
510 }
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
511 #ifdef U_DEBUG
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
512 u_check(TRUE);
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
513 #endif
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
514 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
515
766
f0d0d3d3a1e2 updated for version 7.0225
vimboss
parents: 758
diff changeset
516 if (uhp == NULL) /* no undo at all */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
517 {
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
518 if (old_curhead != NULL)
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
519 u_freebranch(curbuf, old_curhead, NULL);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
520 curbuf->b_u_synced = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
521 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
522 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
523
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
524 uhp->uh_prev.ptr = NULL;
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
525 uhp->uh_next.ptr = curbuf->b_u_newhead;
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
526 uhp->uh_alt_next.ptr = old_curhead;
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
527 if (old_curhead != NULL)
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
528 {
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
529 uhp->uh_alt_prev.ptr = old_curhead->uh_alt_prev.ptr;
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
530 if (uhp->uh_alt_prev.ptr != NULL)
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
531 uhp->uh_alt_prev.ptr->uh_alt_next.ptr = uhp;
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
532 old_curhead->uh_alt_prev.ptr = uhp;
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
533 if (curbuf->b_u_oldhead == old_curhead)
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
534 curbuf->b_u_oldhead = uhp;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
535 }
1056
e6d25347de2c updated for version 7.0-182
vimboss
parents: 944
diff changeset
536 else
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
537 uhp->uh_alt_prev.ptr = NULL;
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
538 if (curbuf->b_u_newhead != NULL)
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
539 curbuf->b_u_newhead->uh_prev.ptr = uhp;
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
540
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
541 uhp->uh_seq = ++curbuf->b_u_seq_last;
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
542 curbuf->b_u_seq_cur = uhp->uh_seq;
9674
adc7212951ee commit https://github.com/vim/vim/commit/170b10b421f0c9fda08b7cfd3bb043c064f3659a
Christian Brabandt <cb@256bit.org>
parents: 9536
diff changeset
543 uhp->uh_time = vim_time();
2280
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
544 uhp->uh_save_nr = 0;
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
545 curbuf->b_u_time_cur = uhp->uh_time + 1;
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
546
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
547 uhp->uh_walk = 0;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
548 uhp->uh_entry = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
549 uhp->uh_getbot_entry = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
550 uhp->uh_cursor = curwin->w_cursor; /* save cursor pos. for undo */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
551 if (virtual_active() && curwin->w_cursor.coladd > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
552 uhp->uh_cursor_vcol = getviscol();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
553 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
554 uhp->uh_cursor_vcol = -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
555
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
556 /* save changed and buffer empty flag for undo */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
557 uhp->uh_flags = (curbuf->b_changed ? UH_CHANGED : 0) +
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
558 ((curbuf->b_ml.ml_flags & ML_EMPTY) ? UH_EMPTYBUF : 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
559
692
a28f83d37113 updated for version 7.0208
vimboss
parents: 634
diff changeset
560 /* save named marks and Visual marks for undo */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
561 mch_memmove(uhp->uh_namedm, curbuf->b_namedm, sizeof(pos_T) * NMARKS);
692
a28f83d37113 updated for version 7.0208
vimboss
parents: 634
diff changeset
562 uhp->uh_visual = curbuf->b_visual;
a28f83d37113 updated for version 7.0208
vimboss
parents: 634
diff changeset
563
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
564 curbuf->b_u_newhead = uhp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
565 if (curbuf->b_u_oldhead == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
566 curbuf->b_u_oldhead = uhp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
567 ++curbuf->b_u_numhead;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
568 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
569 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
570 {
5446
d0595545e98a updated for version 7.4.073
Bram Moolenaar <bram@vim.org>
parents: 5343
diff changeset
571 if (get_undolevel() < 0) /* no undo at all */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
572 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
573
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
574 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
575 * When saving a single line, and it has been saved just before, it
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
576 * doesn't make sense saving it again. Saves a lot of memory when
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
577 * making lots of changes inside the same line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
578 * This is only possible if the previous change didn't increase or
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
579 * decrease the number of lines.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
580 * Check the ten last changes. More doesn't make sense and takes too
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
581 * long.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
582 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
583 if (size == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
584 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
585 uep = u_get_headentry();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
586 prev_uep = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
587 for (i = 0; i < 10; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
588 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
589 if (uep == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
590 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
591
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
592 /* If lines have been inserted/deleted we give up.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
593 * Also when the line was included in a multi-line save. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
594 if ((curbuf->b_u_newhead->uh_getbot_entry != uep
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
595 ? (uep->ue_top + uep->ue_size + 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
596 != (uep->ue_bot == 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
597 ? curbuf->b_ml.ml_line_count + 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
598 : uep->ue_bot))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
599 : uep->ue_lcount != curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
600 || (uep->ue_size > 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
601 && top >= uep->ue_top
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
602 && top + 2 <= uep->ue_top + uep->ue_size + 1))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
603 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
604
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
605 /* If it's the same line we can skip saving it again. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
606 if (uep->ue_size == 1 && uep->ue_top == top)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
607 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
608 if (i > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
609 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
610 /* It's not the last entry: get ue_bot for the last
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
611 * entry now. Following deleted/inserted lines go to
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
612 * the re-used entry. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
613 u_getbot();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
614 curbuf->b_u_synced = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
615
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
616 /* Move the found entry to become the last entry. The
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
617 * order of undo/redo doesn't matter for the entries
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
618 * we move it over, since they don't change the line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
619 * count and don't include this line. It does matter
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
620 * for the found entry if the line count is changed by
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
621 * the executed command. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
622 prev_uep->ue_next = uep->ue_next;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
623 uep->ue_next = curbuf->b_u_newhead->uh_entry;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
624 curbuf->b_u_newhead->uh_entry = uep;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
625 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
626
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
627 /* The executed command may change the line count. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
628 if (newbot != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
629 uep->ue_bot = newbot;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
630 else if (bot > curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
631 uep->ue_bot = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
632 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
633 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
634 uep->ue_lcount = curbuf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
635 curbuf->b_u_newhead->uh_getbot_entry = uep;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
636 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
637 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
638 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
639 prev_uep = uep;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
640 uep = uep->ue_next;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
641 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
642 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
643
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
644 /* find line number for ue_bot for previous u_save() */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
645 u_getbot();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
646 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
647
9536
b2aada04d84e commit https://github.com/vim/vim/commit/a06ecab7a5159e744448ace731036f0dc5f87dd4
Christian Brabandt <cb@256bit.org>
parents: 9387
diff changeset
648 #if !defined(UNIX) && !defined(WIN32)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
649 /*
8212
05b88224cea1 commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents: 8128
diff changeset
650 * With Amiga we can't handle big undo's, because
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
651 * then u_alloc_line would have to allocate a block larger than 32K
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
652 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
653 if (size >= 8000)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
654 goto nomem;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
655 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
656
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
657 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
658 * add lines in front of entry list
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
659 */
2230
290ee42cae85 Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents: 2229
diff changeset
660 uep = (u_entry_T *)U_ALLOC_LINE(sizeof(u_entry_T));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
661 if (uep == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
662 goto nomem;
2215
cccb71c2c5c1 Fix uninit memory read in undo code. Fix uint32_t in proto file.
Bram Moolenaar <bram@vim.org>
parents: 2214
diff changeset
663 vim_memset(uep, 0, sizeof(u_entry_T));
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
664 #ifdef U_DEBUG
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
665 uep->ue_magic = UE_MAGIC;
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
666 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
667
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
668 uep->ue_size = size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
669 uep->ue_top = top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
670 if (newbot != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
671 uep->ue_bot = newbot;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
672 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
673 * Use 0 for ue_bot if bot is below last line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
674 * Otherwise we have to compute ue_bot later.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
675 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
676 else if (bot > curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
677 uep->ue_bot = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
678 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
679 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
680 uep->ue_lcount = curbuf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
681 curbuf->b_u_newhead->uh_getbot_entry = uep;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
682 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
683
168
4d9eabb1396e updated for version 7.0051
vimboss
parents: 33
diff changeset
684 if (size > 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
685 {
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
686 if ((uep->ue_array = (undoline_T *)U_ALLOC_LINE(
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
687 sizeof(undoline_T) * size)) == NULL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
688 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
689 u_freeentry(uep, 0L);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
690 goto nomem;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
691 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
692 for (i = 0, lnum = top + 1; i < size; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
693 {
481
66080ac5dab7 updated for version 7.0130
vimboss
parents: 414
diff changeset
694 fast_breakcheck();
66080ac5dab7 updated for version 7.0130
vimboss
parents: 414
diff changeset
695 if (got_int)
66080ac5dab7 updated for version 7.0130
vimboss
parents: 414
diff changeset
696 {
66080ac5dab7 updated for version 7.0130
vimboss
parents: 414
diff changeset
697 u_freeentry(uep, i);
66080ac5dab7 updated for version 7.0130
vimboss
parents: 414
diff changeset
698 return FAIL;
66080ac5dab7 updated for version 7.0130
vimboss
parents: 414
diff changeset
699 }
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
700 if (u_save_line(&uep->ue_array[i], lnum++) == FAIL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
701 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
702 u_freeentry(uep, i);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
703 goto nomem;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
704 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
705 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
706 }
359
6c62b9b939bd updated for version 7.0093
vimboss
parents: 356
diff changeset
707 else
6c62b9b939bd updated for version 7.0093
vimboss
parents: 356
diff changeset
708 uep->ue_array = NULL;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
709 uep->ue_next = curbuf->b_u_newhead->uh_entry;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
710 curbuf->b_u_newhead->uh_entry = uep;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
711 curbuf->b_u_synced = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
712 undo_undoes = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
713
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
714 #ifdef U_DEBUG
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
715 u_check(FALSE);
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
716 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
717 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
718
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
719 nomem:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
720 msg_silent = 0; /* must display the prompt */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
721 if (ask_yesno((char_u *)_("No undo possible; continue anyway"), TRUE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
722 == 'y')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
723 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
724 undo_off = TRUE; /* will be reset when character typed */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
725 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
726 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
727 do_outofmem_msg((long_u)0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
728 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
729 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
730
2266
ae2e615a7320 Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents: 2262
diff changeset
731 #if defined(FEAT_PERSISTENT_UNDO) || defined(PROTO)
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
732
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
733 # define UF_START_MAGIC "Vim\237UnDo\345" /* magic at start of undofile */
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
734 # define UF_START_MAGIC_LEN 9
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
735 # define UF_HEADER_MAGIC 0x5fd0 /* magic at start of header */
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
736 # define UF_HEADER_END_MAGIC 0xe7aa /* magic after last header */
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
737 # define UF_ENTRY_MAGIC 0xf518 /* magic at start of entry */
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
738 # define UF_ENTRY_END_MAGIC 0x3581 /* magic after last entry */
2280
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
739 # define UF_VERSION 2 /* 2-byte undofile version number */
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
740 # define UF_VERSION_CRYPT 0x8002 /* idem, encrypted */
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
741
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
742 /* extra fields for header */
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
743 # define UF_LAST_SAVE_NR 1
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
744
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
745 /* extra fields for uhp */
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
746 # define UHP_SAVE_NR 1
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
747
2229
d45902a5c61c Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents: 2223
diff changeset
748 static char_u e_not_open[] = N_("E828: Cannot open undo file for writing: %s");
d45902a5c61c Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents: 2223
diff changeset
749
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
750 /*
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
751 * Compute the hash for the current buffer text into hash[UNDO_HASH_SIZE].
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
752 */
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
753 void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
754 u_compute_hash(char_u *hash)
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
755 {
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
756 context_sha256_T ctx;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
757 linenr_T lnum;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
758 char_u *p;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
759
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
760 sha256_start(&ctx);
3194
972bd3fca556 updated for version 7.3.367
Bram Moolenaar <bram@vim.org>
parents: 2689
diff changeset
761 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count; ++lnum)
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
762 {
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
763 p = ml_get(lnum);
2217
120502692d82 Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents: 2215
diff changeset
764 sha256_update(&ctx, p, (UINT32_T)(STRLEN(p) + 1));
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
765 }
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
766 sha256_finish(&ctx, hash);
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
767 }
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
768
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
769 /*
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
770 * Return an allocated string of the full path of the target undofile.
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
771 * When "reading" is TRUE find the file to read, go over all directories in
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
772 * 'undodir'.
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
773 * When "reading" is FALSE use the first name where the directory exists.
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
774 * Returns NULL when there is no place to write or no file to read.
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
775 */
2236
dc2e5ec0500d Added the undofile() function. Updated runtime files.
Bram Moolenaar <bram@vim.org>
parents: 2235
diff changeset
776 char_u *
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
777 u_get_undo_file_name(char_u *buf_ffname, int reading)
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
778 {
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
779 char_u *dirp;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
780 char_u dir_name[IOSIZE + 1];
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
781 char_u *munged_name = NULL;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
782 char_u *undo_file_name = NULL;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
783 int dir_len;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
784 char_u *p;
9387
f094d4085014 commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents: 8568
diff changeset
785 stat_T st;
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
786 char_u *ffname = buf_ffname;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
787 #ifdef HAVE_READLINK
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
788 char_u fname_buf[MAXPATHL];
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
789 #endif
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
790
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
791 if (ffname == NULL)
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
792 return NULL;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
793
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
794 #ifdef HAVE_READLINK
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
795 /* Expand symlink in the file name, so that we put the undo file with the
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
796 * actual file instead of with the symlink. */
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
797 if (resolve_symlink(ffname, fname_buf) == OK)
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
798 ffname = fname_buf;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
799 #endif
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
800
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
801 /* Loop over 'undodir'. When reading find the first file that exists.
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
802 * When not reading use the first directory that exists or ".". */
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
803 dirp = p_udir;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
804 while (*dirp != NUL)
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
805 {
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
806 dir_len = copy_option_part(&dirp, dir_name, IOSIZE, ",");
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
807 if (dir_len == 1 && dir_name[0] == '.')
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
808 {
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
809 /* Use same directory as the ffname,
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
810 * "dir/name" -> "dir/.name.un~" */
2217
120502692d82 Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents: 2215
diff changeset
811 undo_file_name = vim_strnsave(ffname, (int)(STRLEN(ffname) + 5));
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
812 if (undo_file_name == NULL)
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
813 break;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
814 p = gettail(undo_file_name);
5704
47a673b20e49 updated for version 7.4.197
Bram Moolenaar <bram@vim.org>
parents: 5621
diff changeset
815 #ifdef VMS
47a673b20e49 updated for version 7.4.197
Bram Moolenaar <bram@vim.org>
parents: 5621
diff changeset
816 /* VMS can not handle more than one dot in the filenames
47a673b20e49 updated for version 7.4.197
Bram Moolenaar <bram@vim.org>
parents: 5621
diff changeset
817 * use "dir/name" -> "dir/_un_name" - add _un_
47a673b20e49 updated for version 7.4.197
Bram Moolenaar <bram@vim.org>
parents: 5621
diff changeset
818 * at the beginning to keep the extension */
47a673b20e49 updated for version 7.4.197
Bram Moolenaar <bram@vim.org>
parents: 5621
diff changeset
819 mch_memmove(p + 4, p, STRLEN(p) + 1);
47a673b20e49 updated for version 7.4.197
Bram Moolenaar <bram@vim.org>
parents: 5621
diff changeset
820 mch_memmove(p, "_un_", 4);
47a673b20e49 updated for version 7.4.197
Bram Moolenaar <bram@vim.org>
parents: 5621
diff changeset
821
47a673b20e49 updated for version 7.4.197
Bram Moolenaar <bram@vim.org>
parents: 5621
diff changeset
822 #else
47a673b20e49 updated for version 7.4.197
Bram Moolenaar <bram@vim.org>
parents: 5621
diff changeset
823 /* Use same directory as the ffname,
47a673b20e49 updated for version 7.4.197
Bram Moolenaar <bram@vim.org>
parents: 5621
diff changeset
824 * "dir/name" -> "dir/.name.un~" */
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
825 mch_memmove(p + 1, p, STRLEN(p) + 1);
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
826 *p = '.';
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
827 STRCAT(p, ".un~");
5704
47a673b20e49 updated for version 7.4.197
Bram Moolenaar <bram@vim.org>
parents: 5621
diff changeset
828 #endif
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
829 }
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
830 else
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
831 {
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
832 dir_name[dir_len] = NUL;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
833 if (mch_isdir(dir_name))
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
834 {
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
835 if (munged_name == NULL)
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
836 {
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
837 munged_name = vim_strsave(ffname);
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
838 if (munged_name == NULL)
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
839 return NULL;
11127
506f5d8b7d8b patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents: 11121
diff changeset
840 for (p = munged_name; *p != NUL; MB_PTR_ADV(p))
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
841 if (vim_ispathsep(*p))
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
842 *p = '%';
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
843 }
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
844 undo_file_name = concat_fnames(dir_name, munged_name, TRUE);
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
845 }
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
846 }
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
847
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
848 /* When reading check if the file exists. */
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
849 if (undo_file_name != NULL && (!reading
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
850 || mch_stat((char *)undo_file_name, &st) >= 0))
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
851 break;
13244
ac42c4b11dbc patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents: 13138
diff changeset
852 VIM_CLEAR(undo_file_name);
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
853 }
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
854
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
855 vim_free(munged_name);
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
856 return undo_file_name;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
857 }
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
858
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
859 static void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
860 corruption_error(char *mesg, char_u *file_name)
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
861 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
862 semsg(_("E825: Corrupted undo file (%s): %s"), mesg, file_name);
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
863 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
864
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
865 static void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
866 u_free_uhp(u_header_T *uhp)
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
867 {
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
868 u_entry_T *nuep;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
869 u_entry_T *uep;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
870
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
871 uep = uhp->uh_entry;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
872 while (uep != NULL)
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
873 {
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
874 nuep = uep->ue_next;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
875 u_freeentry(uep, uep->ue_size);
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
876 uep = nuep;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
877 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
878 vim_free(uhp);
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
879 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
880
2266
ae2e615a7320 Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents: 2262
diff changeset
881 /*
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
882 * Write a sequence of bytes to the undo file.
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
883 * Buffers and encrypts as needed.
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
884 * Returns OK or FAIL.
2266
ae2e615a7320 Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents: 2262
diff changeset
885 */
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
886 static int
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
887 undo_write(bufinfo_T *bi, char_u *ptr, size_t len)
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
888 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
889 #ifdef FEAT_CRYPT
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
890 if (bi->bi_buffer != NULL)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
891 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
892 size_t len_todo = len;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
893 char_u *p = ptr;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
894
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
895 while (bi->bi_used + len_todo >= CRYPT_BUF_SIZE)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
896 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
897 size_t n = CRYPT_BUF_SIZE - bi->bi_used;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
898
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
899 mch_memmove(bi->bi_buffer + bi->bi_used, p, n);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
900 len_todo -= n;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
901 p += n;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
902 bi->bi_used = CRYPT_BUF_SIZE;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
903 if (undo_flush(bi) == FAIL)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
904 return FAIL;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
905 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
906 if (len_todo > 0)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
907 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
908 mch_memmove(bi->bi_buffer + bi->bi_used, p, len_todo);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
909 bi->bi_used += len_todo;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
910 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
911 return OK;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
912 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
913 #endif
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
914 if (fwrite(ptr, len, (size_t)1, bi->bi_fp) != 1)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
915 return FAIL;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
916 return OK;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
917 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
918
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
919 #ifdef FEAT_CRYPT
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
920 static int
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
921 undo_flush(bufinfo_T *bi)
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
922 {
12216
e971ef6c0dee patch 8.0.0988: warning from Covscan about using NULL pointer
Christian Brabandt <cb@256bit.org>
parents: 11957
diff changeset
923 if (bi->bi_buffer != NULL && bi->bi_state != NULL && bi->bi_used > 0)
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
924 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
925 crypt_encode_inplace(bi->bi_state, bi->bi_buffer, bi->bi_used);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
926 if (fwrite(bi->bi_buffer, bi->bi_used, (size_t)1, bi->bi_fp) != 1)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
927 return FAIL;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
928 bi->bi_used = 0;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
929 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
930 return OK;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
931 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
932 #endif
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
933
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
934 /*
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
935 * Write "ptr[len]" and crypt the bytes when needed.
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
936 * Returns OK or FAIL.
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
937 */
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
938 static int
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
939 fwrite_crypt(bufinfo_T *bi, char_u *ptr, size_t len)
2266
ae2e615a7320 Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents: 2262
diff changeset
940 {
ae2e615a7320 Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents: 2262
diff changeset
941 #ifdef FEAT_CRYPT
ae2e615a7320 Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents: 2262
diff changeset
942 char_u *copy;
ae2e615a7320 Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents: 2262
diff changeset
943 char_u small_buf[100];
ae2e615a7320 Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents: 2262
diff changeset
944 size_t i;
ae2e615a7320 Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents: 2262
diff changeset
945
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
946 if (bi->bi_state != NULL && bi->bi_buffer == NULL)
2266
ae2e615a7320 Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents: 2262
diff changeset
947 {
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
948 /* crypting every piece of text separately */
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
949 if (len < 100)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
950 copy = small_buf; /* no malloc()/free() for short strings */
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
951 else
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
952 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
953 copy = lalloc(len, FALSE);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
954 if (copy == NULL)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
955 return 0;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
956 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
957 crypt_encode(bi->bi_state, ptr, len, copy);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
958 i = fwrite(copy, len, (size_t)1, bi->bi_fp);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
959 if (copy != small_buf)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
960 vim_free(copy);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
961 return i == 1 ? OK : FAIL;
2266
ae2e615a7320 Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents: 2262
diff changeset
962 }
ae2e615a7320 Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents: 2262
diff changeset
963 #endif
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
964 return undo_write(bi, ptr, len);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
965 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
966
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
967 /*
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
968 * Write a number, MSB first, in "len" bytes.
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
969 * Must match with undo_read_?c() functions.
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
970 * Returns OK or FAIL.
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
971 */
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
972 static int
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
973 undo_write_bytes(bufinfo_T *bi, long_u nr, int len)
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
974 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
975 char_u buf[8];
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
976 int i;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
977 int bufi = 0;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
978
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
979 for (i = len - 1; i >= 0; --i)
6132
0242c27e40e1 updated for version 7.4.404
Bram Moolenaar <bram@vim.org>
parents: 6128
diff changeset
980 buf[bufi++] = (char_u)(nr >> (i * 8));
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
981 return undo_write(bi, buf, (size_t)len);
2266
ae2e615a7320 Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents: 2262
diff changeset
982 }
ae2e615a7320 Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents: 2262
diff changeset
983
ae2e615a7320 Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents: 2262
diff changeset
984 /*
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
985 * Write the pointer to an undo header. Instead of writing the pointer itself
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
986 * we use the sequence number of the header. This is converted back to
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
987 * pointers when reading. */
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
988 static void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
989 put_header_ptr(bufinfo_T *bi, u_header_T *uhp)
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
990 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
991 undo_write_bytes(bi, (long_u)(uhp != NULL ? uhp->uh_seq : 0), 4);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
992 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
993
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
994 static int
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
995 undo_read_4c(bufinfo_T *bi)
2266
ae2e615a7320 Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents: 2262
diff changeset
996 {
ae2e615a7320 Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents: 2262
diff changeset
997 #ifdef FEAT_CRYPT
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
998 if (bi->bi_buffer != NULL)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
999 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1000 char_u buf[4];
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1001 int n;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1002
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1003 undo_read(bi, buf, (size_t)4);
6216
f1ba154c3a12 updated for version 7.4.443
Bram Moolenaar <bram@vim.org>
parents: 6132
diff changeset
1004 n = ((unsigned)buf[0] << 24) + (buf[1] << 16) + (buf[2] << 8) + buf[3];
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1005 return n;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1006 }
2266
ae2e615a7320 Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents: 2262
diff changeset
1007 #endif
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1008 return get4c(bi->bi_fp);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1009 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1010
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1011 static int
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1012 undo_read_2c(bufinfo_T *bi)
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1013 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1014 #ifdef FEAT_CRYPT
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1015 if (bi->bi_buffer != NULL)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1016 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1017 char_u buf[2];
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1018 int n;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1019
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1020 undo_read(bi, buf, (size_t)2);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1021 n = (buf[0] << 8) + buf[1];
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1022 return n;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1023 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1024 #endif
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1025 return get2c(bi->bi_fp);
2266
ae2e615a7320 Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents: 2262
diff changeset
1026 }
ae2e615a7320 Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents: 2262
diff changeset
1027
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1028 static int
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1029 undo_read_byte(bufinfo_T *bi)
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1030 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1031 #ifdef FEAT_CRYPT
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1032 if (bi->bi_buffer != NULL)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1033 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1034 char_u buf[1];
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1035
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1036 undo_read(bi, buf, (size_t)1);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1037 return buf[0];
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1038 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1039 #endif
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1040 return getc(bi->bi_fp);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1041 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1042
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1043 static time_t
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1044 undo_read_time(bufinfo_T *bi)
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1045 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1046 #ifdef FEAT_CRYPT
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1047 if (bi->bi_buffer != NULL)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1048 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1049 char_u buf[8];
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1050 time_t n = 0;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1051 int i;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1052
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1053 undo_read(bi, buf, (size_t)8);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1054 for (i = 0; i < 8; ++i)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1055 n = (n << 8) + buf[i];
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1056 return n;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1057 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1058 #endif
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1059 return get8ctime(bi->bi_fp);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1060 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1061
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1062 /*
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1063 * Read "buffer[size]" from the undo file.
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1064 * Return OK or FAIL.
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1065 */
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1066 static int
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1067 undo_read(bufinfo_T *bi, char_u *buffer, size_t size)
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1068 {
11506
7140ff4857eb patch 8.0.0636: when reading the undo file fails may use uninitialized data
Christian Brabandt <cb@256bit.org>
parents: 11158
diff changeset
1069 int retval = OK;
7140ff4857eb patch 8.0.0636: when reading the undo file fails may use uninitialized data
Christian Brabandt <cb@256bit.org>
parents: 11158
diff changeset
1070
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1071 #ifdef FEAT_CRYPT
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1072 if (bi->bi_buffer != NULL)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1073 {
6132
0242c27e40e1 updated for version 7.4.404
Bram Moolenaar <bram@vim.org>
parents: 6128
diff changeset
1074 int size_todo = (int)size;
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1075 char_u *p = buffer;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1076
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1077 while (size_todo > 0)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1078 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1079 size_t n;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1080
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1081 if (bi->bi_used >= bi->bi_avail)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1082 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1083 n = fread(bi->bi_buffer, 1, (size_t)CRYPT_BUF_SIZE, bi->bi_fp);
10336
9d282593ba24 commit https://github.com/vim/vim/commit/55952d4dd490bb2f63bda5d7f6d8fb69f58c333c
Christian Brabandt <cb@256bit.org>
parents: 10042
diff changeset
1084 if (n == 0)
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1085 {
11506
7140ff4857eb patch 8.0.0636: when reading the undo file fails may use uninitialized data
Christian Brabandt <cb@256bit.org>
parents: 11158
diff changeset
1086 retval = FAIL;
7140ff4857eb patch 8.0.0636: when reading the undo file fails may use uninitialized data
Christian Brabandt <cb@256bit.org>
parents: 11158
diff changeset
1087 break;
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1088 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1089 bi->bi_avail = n;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1090 bi->bi_used = 0;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1091 crypt_decode_inplace(bi->bi_state, bi->bi_buffer, bi->bi_avail);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1092 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1093 n = size_todo;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1094 if (n > bi->bi_avail - bi->bi_used)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1095 n = bi->bi_avail - bi->bi_used;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1096 mch_memmove(p, bi->bi_buffer + bi->bi_used, n);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1097 bi->bi_used += n;
6132
0242c27e40e1 updated for version 7.4.404
Bram Moolenaar <bram@vim.org>
parents: 6128
diff changeset
1098 size_todo -= (int)n;
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1099 p += n;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1100 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1101 }
11506
7140ff4857eb patch 8.0.0636: when reading the undo file fails may use uninitialized data
Christian Brabandt <cb@256bit.org>
parents: 11158
diff changeset
1102 else
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1103 #endif
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1104 if (fread(buffer, (size_t)size, 1, bi->bi_fp) != 1)
11506
7140ff4857eb patch 8.0.0636: when reading the undo file fails may use uninitialized data
Christian Brabandt <cb@256bit.org>
parents: 11158
diff changeset
1105 retval = FAIL;
7140ff4857eb patch 8.0.0636: when reading the undo file fails may use uninitialized data
Christian Brabandt <cb@256bit.org>
parents: 11158
diff changeset
1106
7140ff4857eb patch 8.0.0636: when reading the undo file fails may use uninitialized data
Christian Brabandt <cb@256bit.org>
parents: 11158
diff changeset
1107 if (retval == FAIL)
7140ff4857eb patch 8.0.0636: when reading the undo file fails may use uninitialized data
Christian Brabandt <cb@256bit.org>
parents: 11158
diff changeset
1108 /* Error may be checked for only later. Fill with zeros,
7140ff4857eb patch 8.0.0636: when reading the undo file fails may use uninitialized data
Christian Brabandt <cb@256bit.org>
parents: 11158
diff changeset
1109 * so that the reader won't use garbage. */
7140ff4857eb patch 8.0.0636: when reading the undo file fails may use uninitialized data
Christian Brabandt <cb@256bit.org>
parents: 11158
diff changeset
1110 vim_memset(buffer, 0, size);
7140ff4857eb patch 8.0.0636: when reading the undo file fails may use uninitialized data
Christian Brabandt <cb@256bit.org>
parents: 11158
diff changeset
1111 return retval;
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1112 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1113
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1114 /*
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1115 * Read a string of length "len" from "bi->bi_fd".
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1116 * "len" can be zero to allocate an empty line.
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1117 * Decrypt the bytes if needed.
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1118 * Append a NUL.
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1119 * Returns a pointer to allocated memory or NULL for failure.
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1120 */
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1121 static char_u *
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1122 read_string_decrypt(bufinfo_T *bi, int len)
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1123 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1124 char_u *ptr = alloc((unsigned)len + 1);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1125
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1126 if (ptr != NULL)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1127 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1128 if (len > 0 && undo_read(bi, ptr, len) == FAIL)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1129 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1130 vim_free(ptr);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1131 return NULL;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1132 }
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
1133 // In case there are text properties there already is a NUL, but
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
1134 // checking for that is more expensive than just adding a dummy byte.
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1135 ptr[len] = NUL;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1136 #ifdef FEAT_CRYPT
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1137 if (bi->bi_state != NULL && bi->bi_buffer == NULL)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1138 crypt_decode_inplace(bi->bi_state, ptr, len);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1139 #endif
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1140 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1141 return ptr;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1142 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1143
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1144 /*
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1145 * Writes the (not encrypted) header and initializes encryption if needed.
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1146 */
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1147 static int
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1148 serialize_header(bufinfo_T *bi, char_u *hash)
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1149 {
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
1150 long len;
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1151 buf_T *buf = bi->bi_buf;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1152 FILE *fp = bi->bi_fp;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1153 char_u time_buf[8];
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1154
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1155 /* Start writing, first the magic marker and undo info version. */
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1156 if (fwrite(UF_START_MAGIC, (size_t)UF_START_MAGIC_LEN, (size_t)1, fp) != 1)
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1157 return FAIL;
2239
732cb7b31956 Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents: 2238
diff changeset
1158
732cb7b31956 Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents: 2238
diff changeset
1159 /* If the buffer is encrypted then all text bytes following will be
732cb7b31956 Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents: 2238
diff changeset
1160 * encrypted. Numbers and other info is not crypted. */
732cb7b31956 Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents: 2238
diff changeset
1161 #ifdef FEAT_CRYPT
2410
8f6106dd3d12 Fix: editing a not encrypted file after a crypted file messed up reading the
Bram Moolenaar <bram@vim.org>
parents: 2394
diff changeset
1162 if (*buf->b_p_key != NUL)
2239
732cb7b31956 Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents: 2238
diff changeset
1163 {
732cb7b31956 Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents: 2238
diff changeset
1164 char_u *header;
732cb7b31956 Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents: 2238
diff changeset
1165 int header_len;
732cb7b31956 Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents: 2238
diff changeset
1166
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1167 undo_write_bytes(bi, (long_u)UF_VERSION_CRYPT, 2);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1168 bi->bi_state = crypt_create_for_writing(crypt_get_method_nr(buf),
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1169 buf->b_p_key, &header, &header_len);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1170 if (bi->bi_state == NULL)
2239
732cb7b31956 Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents: 2238
diff changeset
1171 return FAIL;
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
1172 len = (long)fwrite(header, (size_t)header_len, (size_t)1, fp);
2239
732cb7b31956 Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents: 2238
diff changeset
1173 vim_free(header);
732cb7b31956 Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents: 2238
diff changeset
1174 if (len != 1)
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2266
diff changeset
1175 {
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1176 crypt_free_state(bi->bi_state);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1177 bi->bi_state = NULL;
2239
732cb7b31956 Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents: 2238
diff changeset
1178 return FAIL;
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2266
diff changeset
1179 }
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1180
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1181 if (crypt_whole_undofile(crypt_get_method_nr(buf)))
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1182 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1183 bi->bi_buffer = alloc(CRYPT_BUF_SIZE);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1184 if (bi->bi_buffer == NULL)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1185 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1186 crypt_free_state(bi->bi_state);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1187 bi->bi_state = NULL;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1188 return FAIL;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1189 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1190 bi->bi_used = 0;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1191 }
2239
732cb7b31956 Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents: 2238
diff changeset
1192 }
732cb7b31956 Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents: 2238
diff changeset
1193 else
732cb7b31956 Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents: 2238
diff changeset
1194 #endif
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1195 undo_write_bytes(bi, (long_u)UF_VERSION, 2);
2239
732cb7b31956 Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents: 2238
diff changeset
1196
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1197
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1198 /* Write a hash of the buffer text, so that we can verify it is still the
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1199 * same when reading the buffer text. */
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1200 if (undo_write(bi, hash, (size_t)UNDO_HASH_SIZE) == FAIL)
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1201 return FAIL;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1202
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1203 /* buffer-specific data */
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1204 undo_write_bytes(bi, (long_u)buf->b_ml.ml_line_count, 4);
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
1205 len = buf->b_u_line_ptr.ul_line == NULL
15390
00aa76a735e7 patch 8.1.0703: compiler warnings with 64-bit compiler
Bram Moolenaar <Bram@vim.org>
parents: 15361
diff changeset
1206 ? 0L : (long)STRLEN(buf->b_u_line_ptr.ul_line);
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1207 undo_write_bytes(bi, (long_u)len, 4);
15390
00aa76a735e7 patch 8.1.0703: compiler warnings with 64-bit compiler
Bram Moolenaar <Bram@vim.org>
parents: 15361
diff changeset
1208 if (len > 0 && fwrite_crypt(bi, buf->b_u_line_ptr.ul_line, (size_t)len)
00aa76a735e7 patch 8.1.0703: compiler warnings with 64-bit compiler
Bram Moolenaar <Bram@vim.org>
parents: 15361
diff changeset
1209 == FAIL)
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1210 return FAIL;
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1211 undo_write_bytes(bi, (long_u)buf->b_u_line_lnum, 4);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1212 undo_write_bytes(bi, (long_u)buf->b_u_line_colnr, 4);
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1213
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1214 /* Undo structures header data */
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1215 put_header_ptr(bi, buf->b_u_oldhead);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1216 put_header_ptr(bi, buf->b_u_newhead);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1217 put_header_ptr(bi, buf->b_u_curhead);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1218
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1219 undo_write_bytes(bi, (long_u)buf->b_u_numhead, 4);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1220 undo_write_bytes(bi, (long_u)buf->b_u_seq_last, 4);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1221 undo_write_bytes(bi, (long_u)buf->b_u_seq_cur, 4);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1222 time_to_bytes(buf->b_u_time_cur, time_buf);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1223 undo_write(bi, time_buf, 8);
2280
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
1224
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
1225 /* Optional fields. */
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1226 undo_write_bytes(bi, 4, 1);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1227 undo_write_bytes(bi, UF_LAST_SAVE_NR, 1);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1228 undo_write_bytes(bi, (long_u)buf->b_u_save_nr_last, 4);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1229
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1230 undo_write_bytes(bi, 0, 1); /* end marker */
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1231
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1232 return OK;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1233 }
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1234
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1235 static int
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1236 serialize_uhp(bufinfo_T *bi, u_header_T *uhp)
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1237 {
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1238 int i;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1239 u_entry_T *uep;
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1240 char_u time_buf[8];
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1241
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1242 if (undo_write_bytes(bi, (long_u)UF_HEADER_MAGIC, 2) == FAIL)
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1243 return FAIL;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1244
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1245 put_header_ptr(bi, uhp->uh_next.ptr);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1246 put_header_ptr(bi, uhp->uh_prev.ptr);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1247 put_header_ptr(bi, uhp->uh_alt_next.ptr);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1248 put_header_ptr(bi, uhp->uh_alt_prev.ptr);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1249 undo_write_bytes(bi, uhp->uh_seq, 4);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1250 serialize_pos(bi, uhp->uh_cursor);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1251 undo_write_bytes(bi, (long_u)uhp->uh_cursor_vcol, 4);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1252 undo_write_bytes(bi, (long_u)uhp->uh_flags, 2);
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1253 /* Assume NMARKS will stay the same. */
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1254 for (i = 0; i < NMARKS; ++i)
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1255 serialize_pos(bi, uhp->uh_namedm[i]);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1256 serialize_visualinfo(bi, &uhp->uh_visual);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1257 time_to_bytes(uhp->uh_time, time_buf);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1258 undo_write(bi, time_buf, 8);
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1259
2280
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
1260 /* Optional fields. */
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1261 undo_write_bytes(bi, 4, 1);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1262 undo_write_bytes(bi, UHP_SAVE_NR, 1);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1263 undo_write_bytes(bi, (long_u)uhp->uh_save_nr, 4);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1264
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1265 undo_write_bytes(bi, 0, 1); /* end marker */
2280
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
1266
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1267 /* Write all the entries. */
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1268 for (uep = uhp->uh_entry; uep != NULL; uep = uep->ue_next)
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1269 {
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1270 undo_write_bytes(bi, (long_u)UF_ENTRY_MAGIC, 2);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1271 if (serialize_uep(bi, uep) == FAIL)
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1272 return FAIL;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1273 }
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1274 undo_write_bytes(bi, (long_u)UF_ENTRY_END_MAGIC, 2);
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1275 return OK;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1276 }
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1277
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1278 static u_header_T *
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1279 unserialize_uhp(bufinfo_T *bi, char_u *file_name)
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1280 {
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1281 u_header_T *uhp;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1282 int i;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1283 u_entry_T *uep, *last_uep;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1284 int c;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1285 int error;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1286
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1287 uhp = (u_header_T *)U_ALLOC_LINE(sizeof(u_header_T));
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1288 if (uhp == NULL)
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1289 return NULL;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1290 vim_memset(uhp, 0, sizeof(u_header_T));
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1291 #ifdef U_DEBUG
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1292 uhp->uh_magic = UH_MAGIC;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1293 #endif
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1294 uhp->uh_next.seq = undo_read_4c(bi);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1295 uhp->uh_prev.seq = undo_read_4c(bi);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1296 uhp->uh_alt_next.seq = undo_read_4c(bi);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1297 uhp->uh_alt_prev.seq = undo_read_4c(bi);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1298 uhp->uh_seq = undo_read_4c(bi);
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1299 if (uhp->uh_seq <= 0)
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1300 {
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1301 corruption_error("uh_seq", file_name);
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1302 vim_free(uhp);
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1303 return NULL;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1304 }
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1305 unserialize_pos(bi, &uhp->uh_cursor);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1306 uhp->uh_cursor_vcol = undo_read_4c(bi);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1307 uhp->uh_flags = undo_read_2c(bi);
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1308 for (i = 0; i < NMARKS; ++i)
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1309 unserialize_pos(bi, &uhp->uh_namedm[i]);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1310 unserialize_visualinfo(bi, &uhp->uh_visual);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1311 uhp->uh_time = undo_read_time(bi);
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1312
2280
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
1313 /* Optional fields. */
2342
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1314 for (;;)
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1315 {
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1316 int len = undo_read_byte(bi);
2342
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1317 int what;
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1318
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1319 if (len == 0)
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1320 break;
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1321 what = undo_read_byte(bi);
2342
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1322 switch (what)
2280
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
1323 {
2342
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1324 case UHP_SAVE_NR:
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1325 uhp->uh_save_nr = undo_read_4c(bi);
2280
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
1326 break;
2342
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1327 default:
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1328 /* field not supported, skip */
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1329 while (--len >= 0)
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1330 (void)undo_read_byte(bi);
2280
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
1331 }
2342
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1332 }
2280
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
1333
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1334 /* Unserialize the uep list. */
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1335 last_uep = NULL;
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1336 while ((c = undo_read_2c(bi)) == UF_ENTRY_MAGIC)
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1337 {
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1338 error = FALSE;
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1339 uep = unserialize_uep(bi, &error, file_name);
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1340 if (last_uep == NULL)
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1341 uhp->uh_entry = uep;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1342 else
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1343 last_uep->ue_next = uep;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1344 last_uep = uep;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1345 if (uep == NULL || error)
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1346 {
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1347 u_free_uhp(uhp);
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1348 return NULL;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1349 }
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1350 }
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1351 if (c != UF_ENTRY_END_MAGIC)
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1352 {
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1353 corruption_error("entry end", file_name);
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1354 u_free_uhp(uhp);
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1355 return NULL;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1356 }
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1357
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1358 return uhp;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1359 }
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1360
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1361 /*
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1362 * Serialize "uep".
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1363 */
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1364 static int
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1365 serialize_uep(
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1366 bufinfo_T *bi,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1367 u_entry_T *uep)
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1368 {
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1369 int i;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1370 size_t len;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1371
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1372 undo_write_bytes(bi, (long_u)uep->ue_top, 4);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1373 undo_write_bytes(bi, (long_u)uep->ue_bot, 4);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1374 undo_write_bytes(bi, (long_u)uep->ue_lcount, 4);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1375 undo_write_bytes(bi, (long_u)uep->ue_size, 4);
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1376 for (i = 0; i < uep->ue_size; ++i)
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1377 {
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
1378 // Text is written without the text properties, since we cannot restore
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
1379 // the text property types.
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
1380 len = STRLEN(uep->ue_array[i].ul_line);
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1381 if (undo_write_bytes(bi, (long_u)len, 4) == FAIL)
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1382 return FAIL;
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
1383 if (len > 0 && fwrite_crypt(bi, uep->ue_array[i].ul_line, len) == FAIL)
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1384 return FAIL;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1385 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1386 return OK;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1387 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1388
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1389 static u_entry_T *
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1390 unserialize_uep(bufinfo_T *bi, int *error, char_u *file_name)
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1391 {
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1392 int i;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1393 u_entry_T *uep;
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
1394 undoline_T *array = NULL;
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1395 char_u *line;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1396 int line_len;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1397
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1398 uep = (u_entry_T *)U_ALLOC_LINE(sizeof(u_entry_T));
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1399 if (uep == NULL)
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1400 return NULL;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1401 vim_memset(uep, 0, sizeof(u_entry_T));
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1402 #ifdef U_DEBUG
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1403 uep->ue_magic = UE_MAGIC;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1404 #endif
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1405 uep->ue_top = undo_read_4c(bi);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1406 uep->ue_bot = undo_read_4c(bi);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1407 uep->ue_lcount = undo_read_4c(bi);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1408 uep->ue_size = undo_read_4c(bi);
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1409 if (uep->ue_size > 0)
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1410 {
10978
f3d64d9e5d76 patch 8.0.0378: possible overflow when reading corrupted undo file
Christian Brabandt <cb@256bit.org>
parents: 10976
diff changeset
1411 if (uep->ue_size < LONG_MAX / (int)sizeof(char_u *))
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
1412 array = (undoline_T *)U_ALLOC_LINE(sizeof(undoline_T) * uep->ue_size);
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1413 if (array == NULL)
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1414 {
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1415 *error = TRUE;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1416 return uep;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1417 }
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
1418 vim_memset(array, 0, sizeof(undoline_T) * uep->ue_size);
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1419 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1420 uep->ue_array = array;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1421
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1422 for (i = 0; i < uep->ue_size; ++i)
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1423 {
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1424 line_len = undo_read_4c(bi);
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1425 if (line_len >= 0)
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1426 line = read_string_decrypt(bi, line_len);
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1427 else
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1428 {
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1429 line = NULL;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1430 corruption_error("line length", file_name);
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1431 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1432 if (line == NULL)
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1433 {
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1434 *error = TRUE;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1435 return uep;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1436 }
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
1437 array[i].ul_line = line;
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
1438 array[i].ul_len = line_len + 1;
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1439 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1440 return uep;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1441 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1442
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1443 /*
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1444 * Serialize "pos".
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1445 */
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1446 static void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1447 serialize_pos(bufinfo_T *bi, pos_T pos)
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1448 {
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1449 undo_write_bytes(bi, (long_u)pos.lnum, 4);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1450 undo_write_bytes(bi, (long_u)pos.col, 4);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1451 undo_write_bytes(bi, (long_u)pos.coladd, 4);
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1452 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1453
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1454 /*
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1455 * Unserialize the pos_T at the current position.
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1456 */
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1457 static void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1458 unserialize_pos(bufinfo_T *bi, pos_T *pos)
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1459 {
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1460 pos->lnum = undo_read_4c(bi);
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1461 if (pos->lnum < 0)
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1462 pos->lnum = 0;
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1463 pos->col = undo_read_4c(bi);
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1464 if (pos->col < 0)
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1465 pos->col = 0;
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1466 pos->coladd = undo_read_4c(bi);
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1467 if (pos->coladd < 0)
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1468 pos->coladd = 0;
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1469 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1470
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1471 /*
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1472 * Serialize "info".
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1473 */
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1474 static void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1475 serialize_visualinfo(bufinfo_T *bi, visualinfo_T *info)
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1476 {
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1477 serialize_pos(bi, info->vi_start);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1478 serialize_pos(bi, info->vi_end);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1479 undo_write_bytes(bi, (long_u)info->vi_mode, 4);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1480 undo_write_bytes(bi, (long_u)info->vi_curswant, 4);
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1481 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1482
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1483 /*
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1484 * Unserialize the visualinfo_T at the current position.
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1485 */
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1486 static void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1487 unserialize_visualinfo(bufinfo_T *bi, visualinfo_T *info)
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1488 {
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1489 unserialize_pos(bi, &info->vi_start);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1490 unserialize_pos(bi, &info->vi_end);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1491 info->vi_mode = undo_read_4c(bi);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1492 info->vi_curswant = undo_read_4c(bi);
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1493 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1494
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1495 /*
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1496 * Write the undo tree in an undo file.
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1497 * When "name" is not NULL, use it as the name of the undo file.
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1498 * Otherwise use buf->b_ffname to generate the undo file name.
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1499 * "buf" must never be null, buf->b_ffname is used to obtain the original file
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1500 * permissions.
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1501 * "forceit" is TRUE for ":wundo!", FALSE otherwise.
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1502 * "hash[UNDO_HASH_SIZE]" must be the hash value of the buffer text.
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1503 */
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1504 void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1505 u_write_undo(
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1506 char_u *name,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1507 int forceit,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1508 buf_T *buf,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1509 char_u *hash)
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1510 {
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1511 u_header_T *uhp;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1512 char_u *file_name;
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1513 int mark;
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1514 #ifdef U_DEBUG
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1515 int headers_written = 0;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1516 #endif
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1517 int fd;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1518 FILE *fp = NULL;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1519 int perm;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1520 int write_ok = FALSE;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1521 #ifdef UNIX
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1522 int st_old_valid = FALSE;
9387
f094d4085014 commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents: 8568
diff changeset
1523 stat_T st_old;
f094d4085014 commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents: 8568
diff changeset
1524 stat_T st_new;
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1525 #endif
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1526 bufinfo_T bi;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1527
6128
3aa37ad2c4ed updated for version 7.4.402
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
1528 vim_memset(&bi, 0, sizeof(bi));
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1529
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1530 if (name == NULL)
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1531 {
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1532 file_name = u_get_undo_file_name(buf->b_ffname, FALSE);
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1533 if (file_name == NULL)
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1534 {
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1535 if (p_verbose > 0)
2235
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1536 {
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1537 verbose_enter();
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
1538 smsg(
2235
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1539 _("Cannot write undo file in any directory in 'undodir'"));
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1540 verbose_leave();
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1541 }
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1542 return;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1543 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1544 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1545 else
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1546 file_name = name;
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1547
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1548 /*
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1549 * Decide about the permission to use for the undo file. If the buffer
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1550 * has a name use the permission of the original file. Otherwise only
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1551 * allow the user to access the undo file.
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1552 */
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1553 perm = 0600;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1554 if (buf->b_ffname != NULL)
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1555 {
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1556 #ifdef UNIX
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1557 if (mch_stat((char *)buf->b_ffname, &st_old) >= 0)
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1558 {
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1559 perm = st_old.st_mode;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1560 st_old_valid = TRUE;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1561 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1562 #else
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1563 perm = mch_getperm(buf->b_ffname);
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1564 if (perm < 0)
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1565 perm = 0600;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1566 #endif
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1567 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1568
6771
63b2bc619d5a patch 7.4.707
Bram Moolenaar <bram@vim.org>
parents: 6616
diff changeset
1569 /* strip any s-bit and executable bit */
63b2bc619d5a patch 7.4.707
Bram Moolenaar <bram@vim.org>
parents: 6616
diff changeset
1570 perm = perm & 0666;
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1571
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1572 /* If the undo file already exists, verify that it actually is an undo
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1573 * file, and delete it. */
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1574 if (mch_getperm(file_name) >= 0)
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1575 {
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1576 if (name == NULL || !forceit)
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1577 {
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1578 /* Check we can read it and it's an undo file. */
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1579 fd = mch_open((char *)file_name, O_RDONLY|O_EXTRA, 0);
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1580 if (fd < 0)
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1581 {
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1582 if (name != NULL || p_verbose > 0)
2235
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1583 {
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1584 if (name == NULL)
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1585 verbose_enter();
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
1586 smsg(
2235
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1587 _("Will not overwrite with undo file, cannot read: %s"),
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1588 file_name);
2235
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1589 if (name == NULL)
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1590 verbose_leave();
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1591 }
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1592 goto theend;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1593 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1594 else
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1595 {
2271
2b33a7678e7b Fix compiler warnings for shadowed variables. Make 'conceal' a long instead
Bram Moolenaar <bram@vim.org>
parents: 2267
diff changeset
1596 char_u mbuf[UF_START_MAGIC_LEN];
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1597 int len;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1598
2664
033e7b49356c updated for version 7.3.083
Bram Moolenaar <bram@vim.org>
parents: 2627
diff changeset
1599 len = read_eintr(fd, mbuf, UF_START_MAGIC_LEN);
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1600 close(fd);
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1601 if (len < UF_START_MAGIC_LEN
2271
2b33a7678e7b Fix compiler warnings for shadowed variables. Make 'conceal' a long instead
Bram Moolenaar <bram@vim.org>
parents: 2267
diff changeset
1602 || memcmp(mbuf, UF_START_MAGIC, UF_START_MAGIC_LEN) != 0)
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1603 {
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1604 if (name != NULL || p_verbose > 0)
2235
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1605 {
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1606 if (name == NULL)
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1607 verbose_enter();
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
1608 smsg(
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1609 _("Will not overwrite, this is not an undo file: %s"),
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1610 file_name);
2235
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1611 if (name == NULL)
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1612 verbose_leave();
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1613 }
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1614 goto theend;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1615 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1616 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1617 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1618 mch_remove(file_name);
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1619 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1620
2235
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1621 /* If there is no undo information at all, quit here after deleting any
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1622 * existing undo file. */
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
1623 if (buf->b_u_numhead == 0 && buf->b_u_line_ptr.ul_line == NULL)
2235
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1624 {
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1625 if (p_verbose > 0)
15543
dd725a8ab112 patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents: 15470
diff changeset
1626 verb_msg(_("Skipping undo file write, nothing to undo"));
2235
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1627 goto theend;
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1628 }
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1629
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1630 fd = mch_open((char *)file_name,
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1631 O_CREAT|O_EXTRA|O_WRONLY|O_EXCL|O_NOFOLLOW, perm);
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1632 if (fd < 0)
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1633 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
1634 semsg(_(e_not_open), file_name);
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1635 goto theend;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1636 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1637 (void)mch_setperm(file_name, perm);
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1638 if (p_verbose > 0)
2235
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1639 {
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1640 verbose_enter();
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
1641 smsg(_("Writing undo file: %s"), file_name);
2235
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1642 verbose_leave();
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1643 }
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1644
2233
43cad213cb7f A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents: 2232
diff changeset
1645 #ifdef U_DEBUG
2235
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1646 /* Check there is no problem in undo info before writing. */
2233
43cad213cb7f A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents: 2232
diff changeset
1647 u_check(FALSE);
43cad213cb7f A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents: 2232
diff changeset
1648 #endif
43cad213cb7f A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents: 2232
diff changeset
1649
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1650 #ifdef UNIX
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1651 /*
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1652 * Try to set the group of the undo file same as the original file. If
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1653 * this fails, set the protection bits for the group same as the
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1654 * protection bits for others.
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1655 */
2367
76b7ba68a098 Fix build problem when fchown() not available. (Gary Johnson)
Bram Moolenaar <bram@vim.org>
parents: 2348
diff changeset
1656 if (st_old_valid
76b7ba68a098 Fix build problem when fchown() not available. (Gary Johnson)
Bram Moolenaar <bram@vim.org>
parents: 2348
diff changeset
1657 && mch_stat((char *)file_name, &st_new) >= 0
76b7ba68a098 Fix build problem when fchown() not available. (Gary Johnson)
Bram Moolenaar <bram@vim.org>
parents: 2348
diff changeset
1658 && st_new.st_gid != st_old.st_gid
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1659 # ifdef HAVE_FCHOWN /* sequent-ptx lacks fchown() */
2367
76b7ba68a098 Fix build problem when fchown() not available. (Gary Johnson)
Bram Moolenaar <bram@vim.org>
parents: 2348
diff changeset
1660 && fchown(fd, (uid_t)-1, st_old.st_gid) != 0
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1661 # endif
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1662 )
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1663 mch_setperm(file_name, (perm & 0707) | ((perm & 07) << 3));
5788
410ef4f1a3d2 updated for version 7.4.238
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
1664 # if defined(HAVE_SELINUX) || defined(HAVE_SMACK)
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1665 if (buf->b_ffname != NULL)
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1666 mch_copy_sec(buf->b_ffname, file_name);
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1667 # endif
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1668 #endif
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1669
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1670 fp = fdopen(fd, "w");
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1671 if (fp == NULL)
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1672 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
1673 semsg(_(e_not_open), file_name);
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1674 close(fd);
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1675 mch_remove(file_name);
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1676 goto theend;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1677 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1678
2233
43cad213cb7f A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents: 2232
diff changeset
1679 /* Undo must be synced. */
43cad213cb7f A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents: 2232
diff changeset
1680 u_sync(TRUE);
43cad213cb7f A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents: 2232
diff changeset
1681
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1682 /*
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1683 * Write the header. Initializes encryption, if enabled.
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1684 */
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1685 bi.bi_buf = buf;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1686 bi.bi_fp = fp;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1687 if (serialize_header(&bi, hash) == FAIL)
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1688 goto write_error;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1689
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1690 /*
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1691 * Iteratively serialize UHPs and their UEPs from the top down.
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1692 */
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1693 mark = ++lastmark;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1694 uhp = buf->b_u_oldhead;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1695 while (uhp != NULL)
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1696 {
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1697 /* Serialize current UHP if we haven't seen it */
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1698 if (uhp->uh_walk != mark)
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1699 {
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1700 uhp->uh_walk = mark;
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1701 #ifdef U_DEBUG
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1702 ++headers_written;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1703 #endif
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1704 if (serialize_uhp(&bi, uhp) == FAIL)
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1705 goto write_error;
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1706 }
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1707
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1708 /* Now walk through the tree - algorithm from undo_time(). */
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1709 if (uhp->uh_prev.ptr != NULL && uhp->uh_prev.ptr->uh_walk != mark)
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1710 uhp = uhp->uh_prev.ptr;
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1711 else if (uhp->uh_alt_next.ptr != NULL
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
1712 && uhp->uh_alt_next.ptr->uh_walk != mark)
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1713 uhp = uhp->uh_alt_next.ptr;
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1714 else if (uhp->uh_next.ptr != NULL && uhp->uh_alt_prev.ptr == NULL
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
1715 && uhp->uh_next.ptr->uh_walk != mark)
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1716 uhp = uhp->uh_next.ptr;
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1717 else if (uhp->uh_alt_prev.ptr != NULL)
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1718 uhp = uhp->uh_alt_prev.ptr;
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1719 else
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1720 uhp = uhp->uh_next.ptr;
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1721 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1722
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1723 if (undo_write_bytes(&bi, (long_u)UF_HEADER_END_MAGIC, 2) == OK)
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1724 write_ok = TRUE;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1725 #ifdef U_DEBUG
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1726 if (headers_written != buf->b_u_numhead)
4827
60301d4d1682 updated for version 7.3.1160
Bram Moolenaar <bram@vim.org>
parents: 4303
diff changeset
1727 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
1728 semsg("Written %ld headers, ...", headers_written);
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
1729 semsg("... but numhead is %ld", buf->b_u_numhead);
4827
60301d4d1682 updated for version 7.3.1160
Bram Moolenaar <bram@vim.org>
parents: 4303
diff changeset
1730 }
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1731 #endif
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1732
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1733 #ifdef FEAT_CRYPT
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1734 if (bi.bi_state != NULL && undo_flush(&bi) == FAIL)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1735 write_ok = FALSE;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1736 #endif
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1737
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1738 write_error:
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1739 fclose(fp);
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1740 if (!write_ok)
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
1741 semsg(_("E829: write error in undo file: %s"), file_name);
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1742
12716
351cf7c67bbe patch 8.0.1236: Mac features are confusing
Christian Brabandt <cb@256bit.org>
parents: 12293
diff changeset
1743 #if defined(WIN3264)
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1744 /* Copy file attributes; for systems where this can only be done after
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1745 * closing the file. */
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1746 if (buf->b_ffname != NULL)
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1747 (void)mch_copy_file_attribute(buf->b_ffname, file_name);
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1748 #endif
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1749 #ifdef HAVE_ACL
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1750 if (buf->b_ffname != NULL)
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1751 {
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1752 vim_acl_T acl;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1753
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1754 /* For systems that support ACL: get the ACL from the original file. */
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1755 acl = mch_get_acl(buf->b_ffname);
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1756 mch_set_acl(file_name, acl);
3545
74d51b51f3e6 updated for version 7.3.533
Bram Moolenaar <bram@vim.org>
parents: 3194
diff changeset
1757 mch_free_acl(acl);
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1758 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1759 #endif
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1760
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1761 theend:
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2266
diff changeset
1762 #ifdef FEAT_CRYPT
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1763 if (bi.bi_state != NULL)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1764 crypt_free_state(bi.bi_state);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1765 vim_free(bi.bi_buffer);
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2266
diff changeset
1766 #endif
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1767 if (file_name != name)
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1768 vim_free(file_name);
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1769 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1770
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1771 /*
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1772 * Load the undo tree from an undo file.
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1773 * If "name" is not NULL use it as the undo file name. This also means being
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1774 * a bit more verbose.
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1775 * Otherwise use curbuf->b_ffname to generate the undo file name.
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1776 * "hash[UNDO_HASH_SIZE]" must be the hash value of the buffer text.
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1777 */
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1778 void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1779 u_read_undo(char_u *name, char_u *hash, char_u *orig_name)
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1780 {
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1781 char_u *file_name;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1782 FILE *fp;
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1783 long version, str_len;
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
1784 undoline_T line_ptr;
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1785 linenr_T line_lnum;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1786 colnr_T line_colnr;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1787 linenr_T line_count;
10976
f97a72ad8ffa patch 8.0.0377: possible overflow when reading corrupted undo file
Christian Brabandt <cb@256bit.org>
parents: 10631
diff changeset
1788 long num_head = 0;
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1789 long old_header_seq, new_header_seq, cur_header_seq;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1790 long seq_last, seq_cur;
2282
a888ed7ba375 Make updating text for conceal mode simpler. A few compiler warning fixes.
Bram Moolenaar <bram@vim.org>
parents: 2281
diff changeset
1791 long last_save_nr = 0;
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1792 short old_idx = -1, new_idx = -1, cur_idx = -1;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1793 long num_read_uhps = 0;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1794 time_t seq_time;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1795 int i, j;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1796 int c;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1797 u_header_T *uhp;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1798 u_header_T **uhp_table = NULL;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1799 char_u read_hash[UNDO_HASH_SIZE];
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1800 char_u magic_buf[UF_START_MAGIC_LEN];
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1801 #ifdef U_DEBUG
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1802 int *uhp_table_used;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1803 #endif
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1804 #ifdef UNIX
9387
f094d4085014 commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents: 8568
diff changeset
1805 stat_T st_orig;
f094d4085014 commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents: 8568
diff changeset
1806 stat_T st_undo;
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1807 #endif
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1808 bufinfo_T bi;
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1809
6128
3aa37ad2c4ed updated for version 7.4.402
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
1810 vim_memset(&bi, 0, sizeof(bi));
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
1811 line_ptr.ul_len = 0;
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
1812 line_ptr.ul_line = NULL;
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
1813
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1814 if (name == NULL)
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1815 {
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1816 file_name = u_get_undo_file_name(curbuf->b_ffname, TRUE);
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1817 if (file_name == NULL)
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1818 return;
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1819
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1820 #ifdef UNIX
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1821 /* For safety we only read an undo file if the owner is equal to the
5343
00d61a47df66 updated for version 7.4.024
Bram Moolenaar <bram@vim.org>
parents: 4827
diff changeset
1822 * owner of the text file or equal to the current user. */
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1823 if (mch_stat((char *)orig_name, &st_orig) >= 0
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1824 && mch_stat((char *)file_name, &st_undo) >= 0
5343
00d61a47df66 updated for version 7.4.024
Bram Moolenaar <bram@vim.org>
parents: 4827
diff changeset
1825 && st_orig.st_uid != st_undo.st_uid
00d61a47df66 updated for version 7.4.024
Bram Moolenaar <bram@vim.org>
parents: 4827
diff changeset
1826 && st_undo.st_uid != getuid())
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1827 {
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1828 if (p_verbose > 0)
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1829 {
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1830 verbose_enter();
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
1831 smsg(_("Not reading undo file, owner differs: %s"),
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1832 file_name);
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1833 verbose_leave();
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1834 }
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1835 return;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1836 }
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1837 #endif
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1838 }
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1839 else
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1840 file_name = name;
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1841
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1842 if (p_verbose > 0)
2235
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1843 {
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1844 verbose_enter();
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
1845 smsg(_("Reading undo file: %s"), file_name);
2235
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1846 verbose_leave();
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1847 }
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1848
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1849 fp = mch_fopen((char *)file_name, "r");
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1850 if (fp == NULL)
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1851 {
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1852 if (name != NULL || p_verbose > 0)
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
1853 semsg(_("E822: Cannot open undo file for reading: %s"), file_name);
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1854 goto error;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1855 }
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1856 bi.bi_buf = curbuf;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1857 bi.bi_fp = fp;
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1858
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1859 /*
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1860 * Read the undo file header.
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1861 */
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1862 if (fread(magic_buf, UF_START_MAGIC_LEN, 1, fp) != 1
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1863 || memcmp(magic_buf, UF_START_MAGIC, UF_START_MAGIC_LEN) != 0)
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1864 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
1865 semsg(_("E823: Not an undo file: %s"), file_name);
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1866 goto error;
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1867 }
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1868 version = get2c(fp);
2342
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1869 if (version == UF_VERSION_CRYPT)
2239
732cb7b31956 Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents: 2238
diff changeset
1870 {
732cb7b31956 Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents: 2238
diff changeset
1871 #ifdef FEAT_CRYPT
2251
646d34788036 Fix a few compiler warnings. Fix crash with encrypted undo file.
Bram Moolenaar <bram@vim.org>
parents: 2245
diff changeset
1872 if (*curbuf->b_p_key == NUL)
646d34788036 Fix a few compiler warnings. Fix crash with encrypted undo file.
Bram Moolenaar <bram@vim.org>
parents: 2245
diff changeset
1873 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
1874 semsg(_("E832: Non-encrypted file has encrypted undo file: %s"),
2251
646d34788036 Fix a few compiler warnings. Fix crash with encrypted undo file.
Bram Moolenaar <bram@vim.org>
parents: 2245
diff changeset
1875 file_name);
646d34788036 Fix a few compiler warnings. Fix crash with encrypted undo file.
Bram Moolenaar <bram@vim.org>
parents: 2245
diff changeset
1876 goto error;
646d34788036 Fix a few compiler warnings. Fix crash with encrypted undo file.
Bram Moolenaar <bram@vim.org>
parents: 2245
diff changeset
1877 }
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1878 bi.bi_state = crypt_create_from_file(fp, curbuf->b_p_key);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1879 if (bi.bi_state == NULL)
2239
732cb7b31956 Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents: 2238
diff changeset
1880 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
1881 semsg(_("E826: Undo file decryption failed: %s"), file_name);
2239
732cb7b31956 Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents: 2238
diff changeset
1882 goto error;
732cb7b31956 Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents: 2238
diff changeset
1883 }
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1884 if (crypt_whole_undofile(bi.bi_state->method_nr))
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1885 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1886 bi.bi_buffer = alloc(CRYPT_BUF_SIZE);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1887 if (bi.bi_buffer == NULL)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1888 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1889 crypt_free_state(bi.bi_state);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1890 bi.bi_state = NULL;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1891 goto error;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1892 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1893 bi.bi_avail = 0;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1894 bi.bi_used = 0;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1895 }
2239
732cb7b31956 Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents: 2238
diff changeset
1896 #else
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
1897 semsg(_("E827: Undo file is encrypted: %s"), file_name);
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1898 goto error;
2239
732cb7b31956 Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents: 2238
diff changeset
1899 #endif
732cb7b31956 Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents: 2238
diff changeset
1900 }
2342
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1901 else if (version != UF_VERSION)
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1902 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
1903 semsg(_("E824: Incompatible undo file: %s"), file_name);
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1904 goto error;
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1905 }
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1906
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1907 if (undo_read(&bi, read_hash, (size_t)UNDO_HASH_SIZE) == FAIL)
2229
d45902a5c61c Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents: 2223
diff changeset
1908 {
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1909 corruption_error("hash", file_name);
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1910 goto error;
2229
d45902a5c61c Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents: 2223
diff changeset
1911 }
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1912 line_count = (linenr_T)undo_read_4c(&bi);
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1913 if (memcmp(hash, read_hash, UNDO_HASH_SIZE) != 0
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1914 || line_count != curbuf->b_ml.ml_line_count)
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1915 {
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1916 if (p_verbose > 0 || name != NULL)
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1917 {
2235
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1918 if (name == NULL)
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1919 verbose_enter();
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1920 give_warning((char_u *)
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1921 _("File contents changed, cannot use undo info"), TRUE);
2235
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1922 if (name == NULL)
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1923 verbose_leave();
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1924 }
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1925 goto error;
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1926 }
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1927
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1928 /* Read undo data for "U" command. */
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1929 str_len = undo_read_4c(&bi);
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1930 if (str_len < 0)
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1931 goto error;
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1932 if (str_len > 0)
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
1933 {
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
1934 line_ptr.ul_line = read_string_decrypt(&bi, str_len);
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
1935 line_ptr.ul_len = str_len + 1;
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
1936 }
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1937 line_lnum = (linenr_T)undo_read_4c(&bi);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1938 line_colnr = (colnr_T)undo_read_4c(&bi);
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1939 if (line_lnum < 0 || line_colnr < 0)
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1940 {
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1941 corruption_error("line lnum/col", file_name);
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1942 goto error;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1943 }
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1944
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1945 /* Begin general undo data */
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1946 old_header_seq = undo_read_4c(&bi);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1947 new_header_seq = undo_read_4c(&bi);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1948 cur_header_seq = undo_read_4c(&bi);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1949 num_head = undo_read_4c(&bi);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1950 seq_last = undo_read_4c(&bi);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1951 seq_cur = undo_read_4c(&bi);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1952 seq_time = undo_read_time(&bi);
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1953
2342
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1954 /* Optional header fields. */
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1955 for (;;)
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1956 {
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1957 int len = undo_read_byte(&bi);
2342
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1958 int what;
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1959
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1960 if (len == 0 || len == EOF)
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1961 break;
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1962 what = undo_read_byte(&bi);
2342
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1963 switch (what)
2280
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
1964 {
2342
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1965 case UF_LAST_SAVE_NR:
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1966 last_save_nr = undo_read_4c(&bi);
2280
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
1967 break;
2342
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1968 default:
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1969 /* field not supported, skip */
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1970 while (--len >= 0)
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1971 (void)undo_read_byte(&bi);
2280
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
1972 }
2342
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1973 }
2280
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
1974
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1975 /* uhp_table will store the freshly created undo headers we allocate
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1976 * until we insert them into curbuf. The table remains sorted by the
2230
290ee42cae85 Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents: 2229
diff changeset
1977 * sequence numbers of the headers.
290ee42cae85 Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents: 2229
diff changeset
1978 * When there are no headers uhp_table is NULL. */
290ee42cae85 Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents: 2229
diff changeset
1979 if (num_head > 0)
290ee42cae85 Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents: 2229
diff changeset
1980 {
10976
f97a72ad8ffa patch 8.0.0377: possible overflow when reading corrupted undo file
Christian Brabandt <cb@256bit.org>
parents: 10631
diff changeset
1981 if (num_head < LONG_MAX / (long)sizeof(u_header_T *))
f97a72ad8ffa patch 8.0.0377: possible overflow when reading corrupted undo file
Christian Brabandt <cb@256bit.org>
parents: 10631
diff changeset
1982 uhp_table = (u_header_T **)U_ALLOC_LINE(
2230
290ee42cae85 Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents: 2229
diff changeset
1983 num_head * sizeof(u_header_T *));
290ee42cae85 Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents: 2229
diff changeset
1984 if (uhp_table == NULL)
290ee42cae85 Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents: 2229
diff changeset
1985 goto error;
290ee42cae85 Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents: 2229
diff changeset
1986 }
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1987
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1988 while ((c = undo_read_2c(&bi)) == UF_HEADER_MAGIC)
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1989 {
2223
81b83a19e127 More strict checks for the undo file.
Bram Moolenaar <bram@vim.org>
parents: 2222
diff changeset
1990 if (num_read_uhps >= num_head)
81b83a19e127 More strict checks for the undo file.
Bram Moolenaar <bram@vim.org>
parents: 2222
diff changeset
1991 {
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1992 corruption_error("num_head too small", file_name);
2223
81b83a19e127 More strict checks for the undo file.
Bram Moolenaar <bram@vim.org>
parents: 2222
diff changeset
1993 goto error;
81b83a19e127 More strict checks for the undo file.
Bram Moolenaar <bram@vim.org>
parents: 2222
diff changeset
1994 }
81b83a19e127 More strict checks for the undo file.
Bram Moolenaar <bram@vim.org>
parents: 2222
diff changeset
1995
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1996 uhp = unserialize_uhp(&bi, file_name);
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1997 if (uhp == NULL)
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1998 goto error;
2233
43cad213cb7f A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents: 2232
diff changeset
1999 uhp_table[num_read_uhps++] = uhp;
43cad213cb7f A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents: 2232
diff changeset
2000 }
43cad213cb7f A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents: 2232
diff changeset
2001
43cad213cb7f A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents: 2232
diff changeset
2002 if (num_read_uhps != num_head)
43cad213cb7f A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents: 2232
diff changeset
2003 {
43cad213cb7f A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents: 2232
diff changeset
2004 corruption_error("num_head", file_name);
43cad213cb7f A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents: 2232
diff changeset
2005 goto error;
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2006 }
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2007 if (c != UF_HEADER_END_MAGIC)
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2008 {
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2009 corruption_error("end marker", file_name);
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2010 goto error;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2011 }
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2012
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2013 #ifdef U_DEBUG
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2014 uhp_table_used = (int *)alloc_clear(
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2015 (unsigned)(sizeof(int) * num_head + 1));
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2016 # define SET_FLAG(j) ++uhp_table_used[j]
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2017 #else
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2018 # define SET_FLAG(j)
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2019 #endif
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2020
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
2021 /* We have put all of the headers into a table. Now we iterate through the
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2022 * table and swizzle each sequence number we have stored in uh_*_seq into
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2023 * a pointer corresponding to the header with that sequence number. */
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2024 for (i = 0; i < num_head; i++)
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2025 {
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2026 uhp = uhp_table[i];
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2027 if (uhp == NULL)
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2028 continue;
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2029 for (j = 0; j < num_head; j++)
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2030 if (uhp_table[j] != NULL && i != j
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2031 && uhp_table[i]->uh_seq == uhp_table[j]->uh_seq)
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2032 {
2233
43cad213cb7f A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents: 2232
diff changeset
2033 corruption_error("duplicate uh_seq", file_name);
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2034 goto error;
2233
43cad213cb7f A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents: 2232
diff changeset
2035 }
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2036 for (j = 0; j < num_head; j++)
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2037 if (uhp_table[j] != NULL
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2038 && uhp_table[j]->uh_seq == uhp->uh_next.seq)
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2039 {
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2040 uhp->uh_next.ptr = uhp_table[j];
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2041 SET_FLAG(j);
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2042 break;
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2043 }
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2044 for (j = 0; j < num_head; j++)
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2045 if (uhp_table[j] != NULL
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2046 && uhp_table[j]->uh_seq == uhp->uh_prev.seq)
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2047 {
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2048 uhp->uh_prev.ptr = uhp_table[j];
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2049 SET_FLAG(j);
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2050 break;
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2051 }
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2052 for (j = 0; j < num_head; j++)
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2053 if (uhp_table[j] != NULL
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2054 && uhp_table[j]->uh_seq == uhp->uh_alt_next.seq)
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2055 {
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2056 uhp->uh_alt_next.ptr = uhp_table[j];
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2057 SET_FLAG(j);
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2058 break;
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2059 }
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2060 for (j = 0; j < num_head; j++)
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2061 if (uhp_table[j] != NULL
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2062 && uhp_table[j]->uh_seq == uhp->uh_alt_prev.seq)
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2063 {
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2064 uhp->uh_alt_prev.ptr = uhp_table[j];
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2065 SET_FLAG(j);
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2066 break;
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2067 }
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2068 if (old_header_seq > 0 && old_idx < 0 && uhp->uh_seq == old_header_seq)
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2069 {
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2070 old_idx = i;
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2071 SET_FLAG(i);
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2072 }
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2073 if (new_header_seq > 0 && new_idx < 0 && uhp->uh_seq == new_header_seq)
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2074 {
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2075 new_idx = i;
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2076 SET_FLAG(i);
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2077 }
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2078 if (cur_header_seq > 0 && cur_idx < 0 && uhp->uh_seq == cur_header_seq)
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2079 {
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2080 cur_idx = i;
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2081 SET_FLAG(i);
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2082 }
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2083 }
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2084
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2085 /* Now that we have read the undo info successfully, free the current undo
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2086 * info and use the info from the file. */
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2087 u_blockfree(curbuf);
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2088 curbuf->b_u_oldhead = old_idx < 0 ? NULL : uhp_table[old_idx];
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2089 curbuf->b_u_newhead = new_idx < 0 ? NULL : uhp_table[new_idx];
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2090 curbuf->b_u_curhead = cur_idx < 0 ? NULL : uhp_table[cur_idx];
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2091 curbuf->b_u_line_ptr = line_ptr;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2092 curbuf->b_u_line_lnum = line_lnum;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2093 curbuf->b_u_line_colnr = line_colnr;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2094 curbuf->b_u_numhead = num_head;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2095 curbuf->b_u_seq_last = seq_last;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2096 curbuf->b_u_seq_cur = seq_cur;
2280
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
2097 curbuf->b_u_time_cur = seq_time;
2281
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2098 curbuf->b_u_save_nr_last = last_save_nr;
2627
fae6fb779a6b updated for version 7.3.048
Bram Moolenaar <bram@vim.org>
parents: 2577
diff changeset
2099 curbuf->b_u_save_nr_cur = last_save_nr;
2233
43cad213cb7f A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents: 2232
diff changeset
2100
43cad213cb7f A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents: 2232
diff changeset
2101 curbuf->b_u_synced = TRUE;
2230
290ee42cae85 Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents: 2229
diff changeset
2102 vim_free(uhp_table);
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2103
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2104 #ifdef U_DEBUG
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2105 for (i = 0; i < num_head; ++i)
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2106 if (uhp_table_used[i] == 0)
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
2107 semsg("uhp_table entry %ld not used, leaking memory", i);
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2108 vim_free(uhp_table_used);
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2109 u_check(TRUE);
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2110 #endif
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2111
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2112 if (name != NULL)
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
2113 smsg(_("Finished reading undo file %s"), file_name);
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2114 goto theend;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2115
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2116 error:
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
2117 vim_free(line_ptr.ul_line);
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2118 if (uhp_table != NULL)
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2119 {
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2120 for (i = 0; i < num_read_uhps; i++)
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2121 if (uhp_table[i] != NULL)
2223
81b83a19e127 More strict checks for the undo file.
Bram Moolenaar <bram@vim.org>
parents: 2222
diff changeset
2122 u_free_uhp(uhp_table[i]);
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2123 vim_free(uhp_table);
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2124 }
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2125
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2126 theend:
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2266
diff changeset
2127 #ifdef FEAT_CRYPT
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
2128 if (bi.bi_state != NULL)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
2129 crypt_free_state(bi.bi_state);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
2130 vim_free(bi.bi_buffer);
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2266
diff changeset
2131 #endif
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2132 if (fp != NULL)
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2133 fclose(fp);
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2134 if (file_name != name)
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2135 vim_free(file_name);
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2136 return;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2137 }
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2138
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2139 #endif /* FEAT_PERSISTENT_UNDO */
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2140
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2141
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2142 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2143 * If 'cpoptions' contains 'u': Undo the previous undo or redo (vi compatible).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2144 * If 'cpoptions' does not contain 'u': Always undo.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2145 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2146 void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2147 u_undo(int count)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2148 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2149 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2150 * If we get an undo command while executing a macro, we behave like the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2151 * original vi. If this happens twice in one macro the result will not
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2152 * be compatible.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2153 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2154 if (curbuf->b_u_synced == FALSE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2155 {
825
6675076019ae updated for version 7.0d
vimboss
parents: 810
diff changeset
2156 u_sync(TRUE);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2157 count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2158 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2159
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2160 if (vim_strchr(p_cpo, CPO_UNDO) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2161 undo_undoes = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2162 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2163 undo_undoes = !undo_undoes;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2164 u_doit(count);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2165 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2166
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2167 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2168 * If 'cpoptions' contains 'u': Repeat the previous undo or redo.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2169 * If 'cpoptions' does not contain 'u': Always redo.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2170 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2171 void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2172 u_redo(int count)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2173 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2174 if (vim_strchr(p_cpo, CPO_UNDO) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2175 undo_undoes = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2176 u_doit(count);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2177 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2178
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2179 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2180 * Undo or redo, depending on 'undo_undoes', 'count' times.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2181 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2182 static void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2183 u_doit(int startcount)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2184 {
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2185 int count = startcount;
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2186
632
b6632d553df3 updated for version 7.0182
vimboss
parents: 481
diff changeset
2187 if (!undo_allowed())
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2188 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2189
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2190 u_newcount = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2191 u_oldcount = 0;
179
7fd70926e2e1 updated for version 7.0055
vimboss
parents: 168
diff changeset
2192 if (curbuf->b_ml.ml_flags & ML_EMPTY)
7fd70926e2e1 updated for version 7.0055
vimboss
parents: 168
diff changeset
2193 u_oldcount = -1;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2194 while (count--)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2195 {
2189
cb94c42c0e1a updated for version 7.2.445
Bram Moolenaar <bram@vim.org>
parents: 2181
diff changeset
2196 /* Do the change warning now, so that it triggers FileChangedRO when
cb94c42c0e1a updated for version 7.2.445
Bram Moolenaar <bram@vim.org>
parents: 2181
diff changeset
2197 * needed. This may cause the file to be reloaded, that must happen
cb94c42c0e1a updated for version 7.2.445
Bram Moolenaar <bram@vim.org>
parents: 2181
diff changeset
2198 * before we do anything, because it may change curbuf->b_u_curhead
cb94c42c0e1a updated for version 7.2.445
Bram Moolenaar <bram@vim.org>
parents: 2181
diff changeset
2199 * and more. */
cb94c42c0e1a updated for version 7.2.445
Bram Moolenaar <bram@vim.org>
parents: 2181
diff changeset
2200 change_warning(0);
cb94c42c0e1a updated for version 7.2.445
Bram Moolenaar <bram@vim.org>
parents: 2181
diff changeset
2201
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2202 if (undo_undoes)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2203 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2204 if (curbuf->b_u_curhead == NULL) /* first undo */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2205 curbuf->b_u_curhead = curbuf->b_u_newhead;
5446
d0595545e98a updated for version 7.4.073
Bram Moolenaar <bram@vim.org>
parents: 5343
diff changeset
2206 else if (get_undolevel() > 0) /* multi level undo */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2207 /* get next undo */
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2208 curbuf->b_u_curhead = curbuf->b_u_curhead->uh_next.ptr;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2209 /* nothing to undo */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2210 if (curbuf->b_u_numhead == 0 || curbuf->b_u_curhead == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2211 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2212 /* stick curbuf->b_u_curhead at end */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2213 curbuf->b_u_curhead = curbuf->b_u_oldhead;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2214 beep_flush();
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2215 if (count == startcount - 1)
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2216 {
15543
dd725a8ab112 patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents: 15470
diff changeset
2217 msg(_("Already at oldest change"));
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2218 return;
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2219 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2220 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2221 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2222
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2223 u_undoredo(TRUE);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2224 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2225 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2226 {
5446
d0595545e98a updated for version 7.4.073
Bram Moolenaar <bram@vim.org>
parents: 5343
diff changeset
2227 if (curbuf->b_u_curhead == NULL || get_undolevel() <= 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2228 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2229 beep_flush(); /* nothing to redo */
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2230 if (count == startcount - 1)
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2231 {
15543
dd725a8ab112 patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents: 15470
diff changeset
2232 msg(_("Already at newest change"));
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2233 return;
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2234 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2235 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2236 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2237
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2238 u_undoredo(FALSE);
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2239
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2240 /* Advance for next redo. Set "newhead" when at the end of the
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2241 * redoable changes. */
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2242 if (curbuf->b_u_curhead->uh_prev.ptr == NULL)
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2243 curbuf->b_u_newhead = curbuf->b_u_curhead;
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2244 curbuf->b_u_curhead = curbuf->b_u_curhead->uh_prev.ptr;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2245 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2246 }
798
95dac6af3b3a updated for version 7.0232
vimboss
parents: 794
diff changeset
2247 u_undo_end(undo_undoes, FALSE);
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2248 }
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2249
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2250 /*
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2251 * Undo or redo over the timeline.
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2252 * When "step" is negative go back in time, otherwise goes forward in time.
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2253 * When "sec" is FALSE make "step" steps, when "sec" is TRUE use "step" as
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2254 * seconds.
2281
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2255 * When "file" is TRUE use "step" as a number of file writes.
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2256 * When "absolute" is TRUE use "step" as the sequence number to jump to.
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2257 * "sec" must be FALSE then.
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2258 */
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2259 void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2260 undo_time(
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2261 long step,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2262 int sec,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2263 int file,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2264 int absolute)
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2265 {
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2266 long target;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2267 long closest;
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2268 long closest_start;
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2269 long closest_seq = 0;
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2270 long val;
13134
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2271 u_header_T *uhp = NULL;
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2272 u_header_T *last;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2273 int mark;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2274 int nomark;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2275 int round;
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2276 int dosec = sec;
2281
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2277 int dofile = file;
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2278 int above = FALSE;
794
f19994020dad updated for version 7.0231
vimboss
parents: 777
diff changeset
2279 int did_undo = TRUE;
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2280
766
f0d0d3d3a1e2 updated for version 7.0225
vimboss
parents: 758
diff changeset
2281 /* First make sure the current undoable change is synced. */
f0d0d3d3a1e2 updated for version 7.0225
vimboss
parents: 758
diff changeset
2282 if (curbuf->b_u_synced == FALSE)
825
6675076019ae updated for version 7.0d
vimboss
parents: 810
diff changeset
2283 u_sync(TRUE);
766
f0d0d3d3a1e2 updated for version 7.0225
vimboss
parents: 758
diff changeset
2284
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2285 u_newcount = 0;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2286 u_oldcount = 0;
179
7fd70926e2e1 updated for version 7.0055
vimboss
parents: 168
diff changeset
2287 if (curbuf->b_ml.ml_flags & ML_EMPTY)
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2288 u_oldcount = -1;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2289
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2290 /* "target" is the node below which we want to be.
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2291 * Init "closest" to a value we can't reach. */
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2292 if (absolute)
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2293 {
13134
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2294 target = step;
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2295 closest = -1;
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2296 }
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2297 else
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2298 {
2281
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2299 if (dosec)
10518
de77fa909414 commit https://github.com/vim/vim/commit/cbd4de44e8d08fba3c09eb40ad6e36e83faf020a
Christian Brabandt <cb@256bit.org>
parents: 10359
diff changeset
2300 target = (long)(curbuf->b_u_time_cur) + step;
2281
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2301 else if (dofile)
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2302 {
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2303 if (step < 0)
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2304 {
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2305 /* Going back to a previous write. If there were changes after
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2306 * the last write, count that as moving one file-write, so
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2307 * that ":earlier 1f" undoes all changes since the last save. */
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2308 uhp = curbuf->b_u_curhead;
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2309 if (uhp != NULL)
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2310 uhp = uhp->uh_next.ptr;
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2311 else
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2312 uhp = curbuf->b_u_newhead;
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2313 if (uhp != NULL && uhp->uh_save_nr != 0)
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2314 /* "uh_save_nr" was set in the last block, that means
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2315 * there were no changes since the last write */
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2316 target = curbuf->b_u_save_nr_cur + step;
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2317 else
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2318 /* count the changes since the last write as one step */
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2319 target = curbuf->b_u_save_nr_cur + step + 1;
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2320 if (target <= 0)
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2321 /* Go to before first write: before the oldest change. Use
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2322 * the sequence number for that. */
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2323 dofile = FALSE;
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2324 }
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2325 else
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2326 {
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2327 /* Moving forward to a newer write. */
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2328 target = curbuf->b_u_save_nr_cur + step;
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2329 if (target > curbuf->b_u_save_nr_last)
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2330 {
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2331 /* Go to after last write: after the latest change. Use
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2332 * the sequence number for that. */
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2333 target = curbuf->b_u_seq_last + 1;
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2334 dofile = FALSE;
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2335 }
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2336 }
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2337 }
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2338 else
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2339 target = curbuf->b_u_seq_cur + step;
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2340 if (step < 0)
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2341 {
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2342 if (target < 0)
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2343 target = 0;
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2344 closest = -1;
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2345 }
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2346 else
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2347 {
2281
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2348 if (dosec)
10518
de77fa909414 commit https://github.com/vim/vim/commit/cbd4de44e8d08fba3c09eb40ad6e36e83faf020a
Christian Brabandt <cb@256bit.org>
parents: 10359
diff changeset
2349 closest = (long)(vim_time() + 1);
2281
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2350 else if (dofile)
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2351 closest = curbuf->b_u_save_nr_last + 2;
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2352 else
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2353 closest = curbuf->b_u_seq_last + 2;
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2354 if (target >= closest)
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2355 target = closest - 1;
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2356 }
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2357 }
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2358 closest_start = closest;
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2359 closest_seq = curbuf->b_u_seq_cur;
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2360
13134
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2361 /* When "target" is 0; Back to origin. */
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2362 if (target == 0)
13138
0f906f414c69 patch 8.0.1443: compiler complains about uninitialized variable
Christian Brabandt <cb@256bit.org>
parents: 13134
diff changeset
2363 {
0f906f414c69 patch 8.0.1443: compiler complains about uninitialized variable
Christian Brabandt <cb@256bit.org>
parents: 13134
diff changeset
2364 mark = lastmark; /* avoid that GCC complains */
0f906f414c69 patch 8.0.1443: compiler complains about uninitialized variable
Christian Brabandt <cb@256bit.org>
parents: 13134
diff changeset
2365 goto target_zero;
0f906f414c69 patch 8.0.1443: compiler complains about uninitialized variable
Christian Brabandt <cb@256bit.org>
parents: 13134
diff changeset
2366 }
13134
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2367
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2368 /*
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2369 * May do this twice:
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2370 * 1. Search for "target", update "closest" to the best match found.
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2371 * 2. If "target" not found search for "closest".
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2372 *
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2373 * When using the closest time we use the sequence number in the second
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2374 * round, because there may be several entries with the same time.
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2375 */
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2376 for (round = 1; round <= 2; ++round)
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2377 {
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2378 /* Find the path from the current state to where we want to go. The
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2379 * desired state can be anywhere in the undo tree, need to go all over
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2380 * it. We put "nomark" in uh_walk where we have been without success,
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2381 * "mark" where it could possibly be. */
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2382 mark = ++lastmark;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2383 nomark = ++lastmark;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2384
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2385 if (curbuf->b_u_curhead == NULL) /* at leaf of the tree */
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2386 uhp = curbuf->b_u_newhead;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2387 else
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2388 uhp = curbuf->b_u_curhead;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2389
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2390 while (uhp != NULL)
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2391 {
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2392 uhp->uh_walk = mark;
2281
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2393 if (dosec)
10518
de77fa909414 commit https://github.com/vim/vim/commit/cbd4de44e8d08fba3c09eb40ad6e36e83faf020a
Christian Brabandt <cb@256bit.org>
parents: 10359
diff changeset
2394 val = (long)(uhp->uh_time);
2281
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2395 else if (dofile)
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2396 val = uhp->uh_save_nr;
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2397 else
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2398 val = uhp->uh_seq;
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2399
2281
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2400 if (round == 1 && !(dofile && val == 0))
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2401 {
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2402 /* Remember the header that is closest to the target.
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2403 * It must be at least in the right direction (checked with
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2404 * "b_u_seq_cur"). When the timestamp is equal find the
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2405 * highest/lowest sequence number. */
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2406 if ((step < 0 ? uhp->uh_seq <= curbuf->b_u_seq_cur
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2407 : uhp->uh_seq > curbuf->b_u_seq_cur)
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2408 && ((dosec && val == closest)
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2409 ? (step < 0
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2410 ? uhp->uh_seq < closest_seq
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2411 : uhp->uh_seq > closest_seq)
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2412 : closest == closest_start
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2413 || (val > target
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2414 ? (closest > target
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2415 ? val - target <= closest - target
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2416 : val - target <= target - closest)
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2417 : (closest > target
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2418 ? target - val <= closest - target
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2419 : target - val <= target - closest))))
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2420 {
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2421 closest = val;
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2422 closest_seq = uhp->uh_seq;
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2423 }
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2424 }
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2425
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2426 /* Quit searching when we found a match. But when searching for a
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2427 * time we need to continue looking for the best uh_seq. */
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2428 if (target == val && !dosec)
2281
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2429 {
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2430 target = uhp->uh_seq;
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2431 break;
2281
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2432 }
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2433
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2434 /* go down in the tree if we haven't been there */
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2435 if (uhp->uh_prev.ptr != NULL && uhp->uh_prev.ptr->uh_walk != nomark
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2436 && uhp->uh_prev.ptr->uh_walk != mark)
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2437 uhp = uhp->uh_prev.ptr;
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2438
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2439 /* go to alternate branch if we haven't been there */
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2440 else if (uhp->uh_alt_next.ptr != NULL
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2441 && uhp->uh_alt_next.ptr->uh_walk != nomark
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2442 && uhp->uh_alt_next.ptr->uh_walk != mark)
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2443 uhp = uhp->uh_alt_next.ptr;
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2444
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2445 /* go up in the tree if we haven't been there and we are at the
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2446 * start of alternate branches */
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2447 else if (uhp->uh_next.ptr != NULL && uhp->uh_alt_prev.ptr == NULL
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2448 && uhp->uh_next.ptr->uh_walk != nomark
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2449 && uhp->uh_next.ptr->uh_walk != mark)
798
95dac6af3b3a updated for version 7.0232
vimboss
parents: 794
diff changeset
2450 {
95dac6af3b3a updated for version 7.0232
vimboss
parents: 794
diff changeset
2451 /* If still at the start we don't go through this change. */
95dac6af3b3a updated for version 7.0232
vimboss
parents: 794
diff changeset
2452 if (uhp == curbuf->b_u_curhead)
95dac6af3b3a updated for version 7.0232
vimboss
parents: 794
diff changeset
2453 uhp->uh_walk = nomark;
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2454 uhp = uhp->uh_next.ptr;
798
95dac6af3b3a updated for version 7.0232
vimboss
parents: 794
diff changeset
2455 }
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2456
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2457 else
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2458 {
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2459 /* need to backtrack; mark this node as useless */
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2460 uhp->uh_walk = nomark;
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2461 if (uhp->uh_alt_prev.ptr != NULL)
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2462 uhp = uhp->uh_alt_prev.ptr;
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2463 else
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2464 uhp = uhp->uh_next.ptr;
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2465 }
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2466 }
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2467
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2468 if (uhp != NULL) /* found it */
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2469 break;
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2470
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2471 if (absolute)
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2472 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
2473 semsg(_("E830: Undo number %ld not found"), step);
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2474 return;
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2475 }
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2476
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2477 if (closest == closest_start)
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2478 {
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2479 if (step < 0)
15543
dd725a8ab112 patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents: 15470
diff changeset
2480 msg(_("Already at oldest change"));
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2481 else
15543
dd725a8ab112 patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents: 15470
diff changeset
2482 msg(_("Already at newest change"));
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2483 return;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2484 }
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2485
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2486 target = closest_seq;
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2487 dosec = FALSE;
2281
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2488 dofile = FALSE;
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2489 if (step < 0)
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2490 above = TRUE; /* stop above the header */
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2491 }
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2492
13138
0f906f414c69 patch 8.0.1443: compiler complains about uninitialized variable
Christian Brabandt <cb@256bit.org>
parents: 13134
diff changeset
2493 target_zero:
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2494 /* If we found it: Follow the path to go to where we want to be. */
13134
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2495 if (uhp != NULL || target == 0)
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2496 {
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2497 /*
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2498 * First go up the tree as much as needed.
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2499 */
2189
cb94c42c0e1a updated for version 7.2.445
Bram Moolenaar <bram@vim.org>
parents: 2181
diff changeset
2500 while (!got_int)
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2501 {
2189
cb94c42c0e1a updated for version 7.2.445
Bram Moolenaar <bram@vim.org>
parents: 2181
diff changeset
2502 /* Do the change warning now, for the same reason as above. */
cb94c42c0e1a updated for version 7.2.445
Bram Moolenaar <bram@vim.org>
parents: 2181
diff changeset
2503 change_warning(0);
cb94c42c0e1a updated for version 7.2.445
Bram Moolenaar <bram@vim.org>
parents: 2181
diff changeset
2504
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2505 uhp = curbuf->b_u_curhead;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2506 if (uhp == NULL)
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2507 uhp = curbuf->b_u_newhead;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2508 else
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2509 uhp = uhp->uh_next.ptr;
13134
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2510 if (uhp == NULL || (target > 0 && uhp->uh_walk != mark)
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2511 || (uhp->uh_seq == target && !above))
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2512 break;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2513 curbuf->b_u_curhead = uhp;
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2514 u_undoredo(TRUE);
13134
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2515 if (target > 0)
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2516 uhp->uh_walk = nomark; /* don't go back down here */
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2517 }
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2518
13134
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2519 /* When back to origin, redo is not needed. */
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2520 if (target > 0)
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2521 {
13134
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2522 /*
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2523 * And now go down the tree (redo), branching off where needed.
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2524 */
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2525 while (!got_int)
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2526 {
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2527 /* Do the change warning now, for the same reason as above. */
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2528 change_warning(0);
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2529
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2530 uhp = curbuf->b_u_curhead;
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2531 if (uhp == NULL)
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2532 break;
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2533
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2534 /* Go back to the first branch with a mark. */
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2535 while (uhp->uh_alt_prev.ptr != NULL
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2536 && uhp->uh_alt_prev.ptr->uh_walk == mark)
13134
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2537 uhp = uhp->uh_alt_prev.ptr;
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2538
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2539 /* Find the last branch with a mark, that's the one. */
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2540 last = uhp;
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2541 while (last->uh_alt_next.ptr != NULL
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2542 && last->uh_alt_next.ptr->uh_walk == mark)
13134
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2543 last = last->uh_alt_next.ptr;
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2544 if (last != uhp)
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2545 {
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2546 /* Make the used branch the first entry in the list of
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2547 * alternatives to make "u" and CTRL-R take this branch. */
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2548 while (uhp->uh_alt_prev.ptr != NULL)
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2549 uhp = uhp->uh_alt_prev.ptr;
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2550 if (last->uh_alt_next.ptr != NULL)
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2551 last->uh_alt_next.ptr->uh_alt_prev.ptr =
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2552 last->uh_alt_prev.ptr;
13134
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2553 last->uh_alt_prev.ptr->uh_alt_next.ptr =
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2554 last->uh_alt_next.ptr;
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2555 last->uh_alt_prev.ptr = NULL;
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2556 last->uh_alt_next.ptr = uhp;
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2557 uhp->uh_alt_prev.ptr = last;
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2558
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2559 if (curbuf->b_u_oldhead == uhp)
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2560 curbuf->b_u_oldhead = last;
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2561 uhp = last;
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2562 if (uhp->uh_next.ptr != NULL)
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2563 uhp->uh_next.ptr->uh_prev.ptr = uhp;
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2564 }
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2565 curbuf->b_u_curhead = uhp;
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2566
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2567 if (uhp->uh_walk != mark)
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2568 break; /* must have reached the target */
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2569
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2570 /* Stop when going backwards in time and didn't find the exact
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2571 * header we were looking for. */
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2572 if (uhp->uh_seq == target && above)
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2573 {
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2574 curbuf->b_u_seq_cur = target - 1;
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2575 break;
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2576 }
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2577
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2578 u_undoredo(FALSE);
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2579
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2580 /* Advance "curhead" to below the header we last used. If it
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2581 * becomes NULL then we need to set "newhead" to this leaf. */
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2582 if (uhp->uh_prev.ptr == NULL)
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2583 curbuf->b_u_newhead = uhp;
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2584 curbuf->b_u_curhead = uhp->uh_prev.ptr;
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2585 did_undo = FALSE;
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2586
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2587 if (uhp->uh_seq == target) /* found it! */
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2588 break;
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2589
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2590 uhp = uhp->uh_prev.ptr;
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2591 if (uhp == NULL || uhp->uh_walk != mark)
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2592 {
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2593 /* Need to redo more but can't find it... */
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2594 internal_error("undo_time()");
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2595 break;
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2596 }
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2597 }
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2598 }
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2599 }
798
95dac6af3b3a updated for version 7.0232
vimboss
parents: 794
diff changeset
2600 u_undo_end(did_undo, absolute);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2601 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2602
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2603 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2604 * u_undoredo: common code for undo and redo
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2605 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2606 * The lines in the file are replaced by the lines in the entry list at
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2607 * curbuf->b_u_curhead. The replaced lines in the file are saved in the entry
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2608 * list for the next undo/redo.
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2609 *
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2610 * When "undo" is TRUE we go up in the tree, when FALSE we go down.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2611 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2612 static void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2613 u_undoredo(int undo)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2614 {
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
2615 undoline_T *newarray = NULL;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2616 linenr_T oldsize;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2617 linenr_T newsize;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2618 linenr_T top, bot;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2619 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2620 linenr_T newlnum = MAXLNUM;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2621 long i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2622 u_entry_T *uep, *nuep;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2623 u_entry_T *newlist = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2624 int old_flags;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2625 int new_flags;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2626 pos_T namedm[NMARKS];
692
a28f83d37113 updated for version 7.0208
vimboss
parents: 634
diff changeset
2627 visualinfo_T visualinfo;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2628 int empty_buffer; /* buffer became empty */
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2629 u_header_T *curhead = curbuf->b_u_curhead;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2630
2189
cb94c42c0e1a updated for version 7.2.445
Bram Moolenaar <bram@vim.org>
parents: 2181
diff changeset
2631 /* Don't want autocommands using the undo structures here, they are
cb94c42c0e1a updated for version 7.2.445
Bram Moolenaar <bram@vim.org>
parents: 2181
diff changeset
2632 * invalid till the end. */
cb94c42c0e1a updated for version 7.2.445
Bram Moolenaar <bram@vim.org>
parents: 2181
diff changeset
2633 block_autocmds();
cb94c42c0e1a updated for version 7.2.445
Bram Moolenaar <bram@vim.org>
parents: 2181
diff changeset
2634
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
2635 #ifdef U_DEBUG
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
2636 u_check(FALSE);
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
2637 #endif
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2638 old_flags = curhead->uh_flags;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2639 new_flags = (curbuf->b_changed ? UH_CHANGED : 0) +
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2640 ((curbuf->b_ml.ml_flags & ML_EMPTY) ? UH_EMPTYBUF : 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2641 setpcmark();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2642
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2643 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2644 * save marks before undo/redo
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2645 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2646 mch_memmove(namedm, curbuf->b_namedm, sizeof(pos_T) * NMARKS);
692
a28f83d37113 updated for version 7.0208
vimboss
parents: 634
diff changeset
2647 visualinfo = curbuf->b_visual;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2648 curbuf->b_op_start.lnum = curbuf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2649 curbuf->b_op_start.col = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2650 curbuf->b_op_end.lnum = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2651 curbuf->b_op_end.col = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2652
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2653 for (uep = curhead->uh_entry; uep != NULL; uep = nuep)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2654 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2655 top = uep->ue_top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2656 bot = uep->ue_bot;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2657 if (bot == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2658 bot = curbuf->b_ml.ml_line_count + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2659 if (top > curbuf->b_ml.ml_line_count || top >= bot
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2660 || bot > curbuf->b_ml.ml_line_count + 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2661 {
2189
cb94c42c0e1a updated for version 7.2.445
Bram Moolenaar <bram@vim.org>
parents: 2181
diff changeset
2662 unblock_autocmds();
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
2663 iemsg(_("E438: u_undo: line numbers wrong"));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2664 changed(); /* don't want UNCHANGED now */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2665 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2666 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2667
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2668 oldsize = bot - top - 1; /* number of lines before undo */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2669 newsize = uep->ue_size; /* number of lines after undo */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2670
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2671 if (top < newlnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2672 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2673 /* If the saved cursor is somewhere in this undo block, move it to
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2674 * the remembered position. Makes "gwap" put the cursor back
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2675 * where it was. */
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2676 lnum = curhead->uh_cursor.lnum;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2677 if (lnum >= top && lnum <= top + newsize + 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2678 {
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2679 curwin->w_cursor = curhead->uh_cursor;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2680 newlnum = curwin->w_cursor.lnum - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2681 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2682 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2683 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2684 /* Use the first line that actually changed. Avoids that
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2685 * undoing auto-formatting puts the cursor in the previous
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2686 * line. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2687 for (i = 0; i < newsize && i < oldsize; ++i)
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
2688 {
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
2689 char_u *p = ml_get(top + 1 + i);
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
2690
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
2691 if (curbuf->b_ml.ml_line_len != uep->ue_array[i].ul_len
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
2692 || memcmp(uep->ue_array[i].ul_line, p, curbuf->b_ml.ml_line_len) != 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2693 break;
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
2694 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2695 if (i == newsize && newlnum == MAXLNUM && uep->ue_next == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2696 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2697 newlnum = top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2698 curwin->w_cursor.lnum = newlnum + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2699 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2700 else if (i < newsize)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2701 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2702 newlnum = top + i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2703 curwin->w_cursor.lnum = newlnum + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2704 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2705 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2706 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2707
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2708 empty_buffer = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2709
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2710 /* delete the lines between top and bot and save them in newarray */
168
4d9eabb1396e updated for version 7.0051
vimboss
parents: 33
diff changeset
2711 if (oldsize > 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2712 {
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
2713 if ((newarray = (undoline_T *)U_ALLOC_LINE(
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
2714 sizeof(undoline_T) * oldsize)) == NULL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2715 {
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
2716 do_outofmem_msg((long_u)(sizeof(undoline_T) * oldsize));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2717 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2718 * We have messed up the entry list, repair is impossible.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2719 * we have to free the rest of the list.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2720 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2721 while (uep != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2722 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2723 nuep = uep->ue_next;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2724 u_freeentry(uep, uep->ue_size);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2725 uep = nuep;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2726 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2727 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2728 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2729 /* delete backwards, it goes faster in most cases */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2730 for (lnum = bot - 1, i = oldsize; --i >= 0; --lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2731 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2732 /* what can we do when we run out of memory? */
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
2733 if (u_save_line(&newarray[i], lnum) == FAIL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2734 do_outofmem_msg((long_u)0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2735 /* remember we deleted the last line in the buffer, and a
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2736 * dummy empty line will be inserted */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2737 if (curbuf->b_ml.ml_line_count == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2738 empty_buffer = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2739 ml_delete(lnum, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2740 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2741 }
414
8ab9c77240d4 updated for version 7.0108
vimboss
parents: 407
diff changeset
2742 else
8ab9c77240d4 updated for version 7.0108
vimboss
parents: 407
diff changeset
2743 newarray = NULL;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2744
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2745 /* insert the lines in u_array between top and bot */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2746 if (newsize)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2747 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2748 for (lnum = top, i = 0; i < newsize; ++i, ++lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2749 {
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
2750 // If the file is empty, there is an empty line 1 that we
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
2751 // should get rid of, by replacing it with the new line.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2752 if (empty_buffer && lnum == 0)
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
2753 ml_replace_len((linenr_T)1, uep->ue_array[i].ul_line, uep->ue_array[i].ul_len, TRUE, TRUE);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2754 else
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
2755 ml_append(lnum, uep->ue_array[i].ul_line, (colnr_T)uep->ue_array[i].ul_len, FALSE);
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
2756 vim_free(uep->ue_array[i].ul_line);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2757 }
2230
290ee42cae85 Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents: 2229
diff changeset
2758 vim_free((char_u *)uep->ue_array);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2759 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2760
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2761 /* adjust marks */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2762 if (oldsize != newsize)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2763 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2764 mark_adjust(top + 1, top + oldsize, (long)MAXLNUM,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2765 (long)newsize - (long)oldsize);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2766 if (curbuf->b_op_start.lnum > top + oldsize)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2767 curbuf->b_op_start.lnum += newsize - oldsize;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2768 if (curbuf->b_op_end.lnum > top + oldsize)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2769 curbuf->b_op_end.lnum += newsize - oldsize;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2770 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2771
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2772 changed_lines(top + 1, 0, bot, newsize - oldsize);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2773
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2774 /* set '[ and '] mark */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2775 if (top + 1 < curbuf->b_op_start.lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2776 curbuf->b_op_start.lnum = top + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2777 if (newsize == 0 && top + 1 > curbuf->b_op_end.lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2778 curbuf->b_op_end.lnum = top + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2779 else if (top + newsize > curbuf->b_op_end.lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2780 curbuf->b_op_end.lnum = top + newsize;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2781
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2782 u_newcount += newsize;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2783 u_oldcount += oldsize;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2784 uep->ue_size = oldsize;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2785 uep->ue_array = newarray;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2786 uep->ue_bot = top + newsize + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2787
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2788 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2789 * insert this entry in front of the new entry list
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2790 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2791 nuep = uep->ue_next;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2792 uep->ue_next = newlist;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2793 newlist = uep;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2794 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2795
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2796 curhead->uh_entry = newlist;
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2797 curhead->uh_flags = new_flags;
11121
778c10516955 patch 8.0.0448: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents: 10978
diff changeset
2798 if ((old_flags & UH_EMPTYBUF) && BUFEMPTY())
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2799 curbuf->b_ml.ml_flags |= ML_EMPTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2800 if (old_flags & UH_CHANGED)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2801 changed();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2802 else
33
f6033dcbaf31 updated for version 7.0020
vimboss
parents: 7
diff changeset
2803 #ifdef FEAT_NETBEANS_INTG
f6033dcbaf31 updated for version 7.0020
vimboss
parents: 7
diff changeset
2804 /* per netbeans undo rules, keep it as modified */
f6033dcbaf31 updated for version 7.0020
vimboss
parents: 7
diff changeset
2805 if (!isNetbeansModified(curbuf))
f6033dcbaf31 updated for version 7.0020
vimboss
parents: 7
diff changeset
2806 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2807 unchanged(curbuf, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2808
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2809 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2810 * restore marks from before undo/redo
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2811 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2812 for (i = 0; i < NMARKS; ++i)
6616
290631797b76 updated for version 7.4.634
Bram Moolenaar <bram@vim.org>
parents: 6216
diff changeset
2813 {
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2814 if (curhead->uh_namedm[i].lnum != 0)
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2815 curbuf->b_namedm[i] = curhead->uh_namedm[i];
6616
290631797b76 updated for version 7.4.634
Bram Moolenaar <bram@vim.org>
parents: 6216
diff changeset
2816 if (namedm[i].lnum != 0)
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2817 curhead->uh_namedm[i] = namedm[i];
6616
290631797b76 updated for version 7.4.634
Bram Moolenaar <bram@vim.org>
parents: 6216
diff changeset
2818 else
290631797b76 updated for version 7.4.634
Bram Moolenaar <bram@vim.org>
parents: 6216
diff changeset
2819 curhead->uh_namedm[i].lnum = 0;
290631797b76 updated for version 7.4.634
Bram Moolenaar <bram@vim.org>
parents: 6216
diff changeset
2820 }
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2821 if (curhead->uh_visual.vi_start.lnum != 0)
692
a28f83d37113 updated for version 7.0208
vimboss
parents: 634
diff changeset
2822 {
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2823 curbuf->b_visual = curhead->uh_visual;
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2824 curhead->uh_visual = visualinfo;
692
a28f83d37113 updated for version 7.0208
vimboss
parents: 634
diff changeset
2825 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2826
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2827 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2828 * If the cursor is only off by one line, put it at the same position as
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2829 * before starting the change (for the "o" command).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2830 * Otherwise the cursor should go to the first undone line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2831 */
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2832 if (curhead->uh_cursor.lnum + 1 == curwin->w_cursor.lnum
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2833 && curwin->w_cursor.lnum > 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2834 --curwin->w_cursor.lnum;
2501
c43e99e9baaf Fix: ml_get errors when using undo with 'virtualedit'.
Bram Moolenaar <bram@vim.org>
parents: 2482
diff changeset
2835 if (curwin->w_cursor.lnum <= curbuf->b_ml.ml_line_count)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2836 {
2501
c43e99e9baaf Fix: ml_get errors when using undo with 'virtualedit'.
Bram Moolenaar <bram@vim.org>
parents: 2482
diff changeset
2837 if (curhead->uh_cursor.lnum == curwin->w_cursor.lnum)
c43e99e9baaf Fix: ml_get errors when using undo with 'virtualedit'.
Bram Moolenaar <bram@vim.org>
parents: 2482
diff changeset
2838 {
c43e99e9baaf Fix: ml_get errors when using undo with 'virtualedit'.
Bram Moolenaar <bram@vim.org>
parents: 2482
diff changeset
2839 curwin->w_cursor.col = curhead->uh_cursor.col;
c43e99e9baaf Fix: ml_get errors when using undo with 'virtualedit'.
Bram Moolenaar <bram@vim.org>
parents: 2482
diff changeset
2840 if (virtual_active() && curhead->uh_cursor_vcol >= 0)
c43e99e9baaf Fix: ml_get errors when using undo with 'virtualedit'.
Bram Moolenaar <bram@vim.org>
parents: 2482
diff changeset
2841 coladvance((colnr_T)curhead->uh_cursor_vcol);
c43e99e9baaf Fix: ml_get errors when using undo with 'virtualedit'.
Bram Moolenaar <bram@vim.org>
parents: 2482
diff changeset
2842 else
c43e99e9baaf Fix: ml_get errors when using undo with 'virtualedit'.
Bram Moolenaar <bram@vim.org>
parents: 2482
diff changeset
2843 curwin->w_cursor.coladd = 0;
c43e99e9baaf Fix: ml_get errors when using undo with 'virtualedit'.
Bram Moolenaar <bram@vim.org>
parents: 2482
diff changeset
2844 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2845 else
2501
c43e99e9baaf Fix: ml_get errors when using undo with 'virtualedit'.
Bram Moolenaar <bram@vim.org>
parents: 2482
diff changeset
2846 beginline(BL_SOL | BL_FIX);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2847 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2848 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2849 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2850 /* We get here with the current cursor line being past the end (eg
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2851 * after adding lines at the end of the file, and then undoing it).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2852 * check_cursor() will move the cursor to the last line. Move it to
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2853 * the first column here. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2854 curwin->w_cursor.col = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2855 curwin->w_cursor.coladd = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2856 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2857
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2858 /* Make sure the cursor is on an existing line and column. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2859 check_cursor();
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2860
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2861 /* Remember where we are for "g-" and ":earlier 10s". */
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2862 curbuf->b_u_seq_cur = curhead->uh_seq;
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2863 if (undo)
12827
ff494a964ab7 patch 8.0.1290: seq_cur of undotree() wrong after undo
Christian Brabandt <cb@256bit.org>
parents: 12716
diff changeset
2864 {
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2865 /* We are below the previous undo. However, to make ":earlier 1s"
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2866 * work we compute this as being just above the just undone change. */
12827
ff494a964ab7 patch 8.0.1290: seq_cur of undotree() wrong after undo
Christian Brabandt <cb@256bit.org>
parents: 12716
diff changeset
2867 if (curhead->uh_next.ptr != NULL)
ff494a964ab7 patch 8.0.1290: seq_cur of undotree() wrong after undo
Christian Brabandt <cb@256bit.org>
parents: 12716
diff changeset
2868 curbuf->b_u_seq_cur = curhead->uh_next.ptr->uh_seq;
ff494a964ab7 patch 8.0.1290: seq_cur of undotree() wrong after undo
Christian Brabandt <cb@256bit.org>
parents: 12716
diff changeset
2869 else
ff494a964ab7 patch 8.0.1290: seq_cur of undotree() wrong after undo
Christian Brabandt <cb@256bit.org>
parents: 12716
diff changeset
2870 curbuf->b_u_seq_cur = 0;
ff494a964ab7 patch 8.0.1290: seq_cur of undotree() wrong after undo
Christian Brabandt <cb@256bit.org>
parents: 12716
diff changeset
2871 }
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2872
2281
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2873 /* Remember where we are for ":earlier 1f" and ":later 1f". */
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2874 if (curhead->uh_save_nr != 0)
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2875 {
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2876 if (undo)
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2877 curbuf->b_u_save_nr_cur = curhead->uh_save_nr - 1;
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2878 else
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2879 curbuf->b_u_save_nr_cur = curhead->uh_save_nr;
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2880 }
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2881
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2882 /* The timestamp can be the same for multiple changes, just use the one of
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2883 * the undone/redone change. */
2280
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
2884 curbuf->b_u_time_cur = curhead->uh_time;
2189
cb94c42c0e1a updated for version 7.2.445
Bram Moolenaar <bram@vim.org>
parents: 2181
diff changeset
2885
cb94c42c0e1a updated for version 7.2.445
Bram Moolenaar <bram@vim.org>
parents: 2181
diff changeset
2886 unblock_autocmds();
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
2887 #ifdef U_DEBUG
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
2888 u_check(FALSE);
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
2889 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2890 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2891
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2892 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2893 * If we deleted or added lines, report the number of less/more lines.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2894 * Otherwise, report the number of changes (this may be incorrect
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2895 * in some cases, but it's better than nothing).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2896 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2897 static void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2898 u_undo_end(
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2899 int did_undo, /* just did an undo */
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2900 int absolute) /* used ":undo N" */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2901 {
944
b2dcb8457067 updated for version 7.0-070
vimboss
parents: 912
diff changeset
2902 char *msgstr;
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2903 u_header_T *uhp;
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2904 char_u msgbuf[80];
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2905
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2906 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2907 if ((fdo_flags & FDO_UNDO) && KeyTyped)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2908 foldOpenCursor();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2909 #endif
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2910
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2911 if (global_busy /* no messages now, wait until global is finished */
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2912 || !messaging()) /* 'lazyredraw' set, don't do messages now */
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2913 return;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2914
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2915 if (curbuf->b_ml.ml_flags & ML_EMPTY)
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2916 --u_newcount;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2917
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2918 u_oldcount -= u_newcount;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2919 if (u_oldcount == -1)
944
b2dcb8457067 updated for version 7.0-070
vimboss
parents: 912
diff changeset
2920 msgstr = N_("more line");
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2921 else if (u_oldcount < 0)
944
b2dcb8457067 updated for version 7.0-070
vimboss
parents: 912
diff changeset
2922 msgstr = N_("more lines");
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2923 else if (u_oldcount == 1)
944
b2dcb8457067 updated for version 7.0-070
vimboss
parents: 912
diff changeset
2924 msgstr = N_("line less");
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2925 else if (u_oldcount > 1)
944
b2dcb8457067 updated for version 7.0-070
vimboss
parents: 912
diff changeset
2926 msgstr = N_("fewer lines");
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2927 else
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2928 {
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2929 u_oldcount = u_newcount;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2930 if (u_newcount == 1)
944
b2dcb8457067 updated for version 7.0-070
vimboss
parents: 912
diff changeset
2931 msgstr = N_("change");
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2932 else
944
b2dcb8457067 updated for version 7.0-070
vimboss
parents: 912
diff changeset
2933 msgstr = N_("changes");
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2934 }
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2935
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2936 if (curbuf->b_u_curhead != NULL)
794
f19994020dad updated for version 7.0231
vimboss
parents: 777
diff changeset
2937 {
798
95dac6af3b3a updated for version 7.0232
vimboss
parents: 794
diff changeset
2938 /* For ":undo N" we prefer a "after #N" message. */
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2939 if (absolute && curbuf->b_u_curhead->uh_next.ptr != NULL)
798
95dac6af3b3a updated for version 7.0232
vimboss
parents: 794
diff changeset
2940 {
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2941 uhp = curbuf->b_u_curhead->uh_next.ptr;
798
95dac6af3b3a updated for version 7.0232
vimboss
parents: 794
diff changeset
2942 did_undo = FALSE;
95dac6af3b3a updated for version 7.0232
vimboss
parents: 794
diff changeset
2943 }
95dac6af3b3a updated for version 7.0232
vimboss
parents: 794
diff changeset
2944 else if (did_undo)
794
f19994020dad updated for version 7.0231
vimboss
parents: 777
diff changeset
2945 uhp = curbuf->b_u_curhead;
f19994020dad updated for version 7.0231
vimboss
parents: 777
diff changeset
2946 else
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2947 uhp = curbuf->b_u_curhead->uh_next.ptr;
794
f19994020dad updated for version 7.0231
vimboss
parents: 777
diff changeset
2948 }
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2949 else
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2950 uhp = curbuf->b_u_newhead;
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2951
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2952 if (uhp == NULL)
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2953 *msgbuf = NUL;
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2954 else
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2955 u_add_time(msgbuf, sizeof(msgbuf), uhp->uh_time);
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2956
2282
a888ed7ba375 Make updating text for conceal mode simpler. A few compiler warning fixes.
Bram Moolenaar <bram@vim.org>
parents: 2281
diff changeset
2957 #ifdef FEAT_CONCEAL
a888ed7ba375 Make updating text for conceal mode simpler. A few compiler warning fixes.
Bram Moolenaar <bram@vim.org>
parents: 2281
diff changeset
2958 {
a888ed7ba375 Make updating text for conceal mode simpler. A few compiler warning fixes.
Bram Moolenaar <bram@vim.org>
parents: 2281
diff changeset
2959 win_T *wp;
a888ed7ba375 Make updating text for conceal mode simpler. A few compiler warning fixes.
Bram Moolenaar <bram@vim.org>
parents: 2281
diff changeset
2960
a888ed7ba375 Make updating text for conceal mode simpler. A few compiler warning fixes.
Bram Moolenaar <bram@vim.org>
parents: 2281
diff changeset
2961 FOR_ALL_WINDOWS(wp)
a888ed7ba375 Make updating text for conceal mode simpler. A few compiler warning fixes.
Bram Moolenaar <bram@vim.org>
parents: 2281
diff changeset
2962 {
2378
85b7dc8da5eb Add the 'concealcursor' option to decide when the cursor line is to be
Bram Moolenaar <bram@vim.org>
parents: 2367
diff changeset
2963 if (wp->w_buffer == curbuf && wp->w_p_cole > 0)
2282
a888ed7ba375 Make updating text for conceal mode simpler. A few compiler warning fixes.
Bram Moolenaar <bram@vim.org>
parents: 2281
diff changeset
2964 redraw_win_later(wp, NOT_VALID);
a888ed7ba375 Make updating text for conceal mode simpler. A few compiler warning fixes.
Bram Moolenaar <bram@vim.org>
parents: 2281
diff changeset
2965 }
a888ed7ba375 Make updating text for conceal mode simpler. A few compiler warning fixes.
Bram Moolenaar <bram@vim.org>
parents: 2281
diff changeset
2966 }
a888ed7ba375 Make updating text for conceal mode simpler. A few compiler warning fixes.
Bram Moolenaar <bram@vim.org>
parents: 2281
diff changeset
2967 #endif
a888ed7ba375 Make updating text for conceal mode simpler. A few compiler warning fixes.
Bram Moolenaar <bram@vim.org>
parents: 2281
diff changeset
2968
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
2969 smsg_attr_keep(0, _("%ld %s; %s #%ld %s"),
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2970 u_oldcount < 0 ? -u_oldcount : u_oldcount,
944
b2dcb8457067 updated for version 7.0-070
vimboss
parents: 912
diff changeset
2971 _(msgstr),
794
f19994020dad updated for version 7.0231
vimboss
parents: 777
diff changeset
2972 did_undo ? _("before") : _("after"),
f19994020dad updated for version 7.0231
vimboss
parents: 777
diff changeset
2973 uhp == NULL ? 0L : uhp->uh_seq,
f19994020dad updated for version 7.0231
vimboss
parents: 777
diff changeset
2974 msgbuf);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2975 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2976
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2977 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2978 * u_sync: stop adding to the current entry list
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2979 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2980 void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2981 u_sync(
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2982 int force) /* Also sync when no_u_sync is set. */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2983 {
825
6675076019ae updated for version 7.0d
vimboss
parents: 810
diff changeset
2984 /* Skip it when already synced or syncing is disabled. */
6675076019ae updated for version 7.0d
vimboss
parents: 810
diff changeset
2985 if (curbuf->b_u_synced || (!force && no_u_sync > 0))
6675076019ae updated for version 7.0d
vimboss
parents: 810
diff changeset
2986 return;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2987 #if defined(FEAT_XIM) && defined(FEAT_GUI_GTK)
12293
1ff5e5dfa9b0 patch 8.0.1026: GTK on-the-spot input has problems
Christian Brabandt <cb@256bit.org>
parents: 12216
diff changeset
2988 if (p_imst == IM_ON_THE_SPOT && im_is_preediting())
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2989 return; /* XIM is busy, don't break an undo sequence */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2990 #endif
5446
d0595545e98a updated for version 7.4.073
Bram Moolenaar <bram@vim.org>
parents: 5343
diff changeset
2991 if (get_undolevel() < 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2992 curbuf->b_u_synced = TRUE; /* no entries, nothing to do */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2993 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2994 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2995 u_getbot(); /* compute ue_bot of previous u_save */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2996 curbuf->b_u_curhead = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2997 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2998 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2999
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3000 /*
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3001 * ":undolist": List the leafs of the undo tree
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3002 */
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3003 void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3004 ex_undolist(exarg_T *eap UNUSED)
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3005 {
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3006 garray_T ga;
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3007 u_header_T *uhp;
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3008 int mark;
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3009 int nomark;
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3010 int changes = 1;
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3011 int i;
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3012
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3013 /*
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3014 * 1: walk the tree to find all leafs, put the info in "ga".
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3015 * 2: sort the lines
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3016 * 3: display the list
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3017 */
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3018 mark = ++lastmark;
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3019 nomark = ++lastmark;
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3020 ga_init2(&ga, (int)sizeof(char *), 20);
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3021
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3022 uhp = curbuf->b_u_oldhead;
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3023 while (uhp != NULL)
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3024 {
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3025 if (uhp->uh_prev.ptr == NULL && uhp->uh_walk != nomark
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
3026 && uhp->uh_walk != mark)
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3027 {
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3028 if (ga_grow(&ga, 1) == FAIL)
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3029 break;
13610
e76499e85744 patch 8.0.1677: no compiler warning for wrong format in vim_snprintf()
Christian Brabandt <cb@256bit.org>
parents: 13380
diff changeset
3030 vim_snprintf((char *)IObuff, IOSIZE, "%6ld %7d ",
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3031 uhp->uh_seq, changes);
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3032 u_add_time(IObuff + STRLEN(IObuff), IOSIZE - STRLEN(IObuff),
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3033 uhp->uh_time);
2280
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3034 if (uhp->uh_save_nr > 0)
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3035 {
2627
fae6fb779a6b updated for version 7.3.048
Bram Moolenaar <bram@vim.org>
parents: 2577
diff changeset
3036 while (STRLEN(IObuff) < 33)
2280
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3037 STRCAT(IObuff, " ");
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3038 vim_snprintf_add((char *)IObuff, IOSIZE,
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3039 " %3ld", uhp->uh_save_nr);
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3040 }
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3041 ((char_u **)(ga.ga_data))[ga.ga_len++] = vim_strsave(IObuff);
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3042 }
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3043
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3044 uhp->uh_walk = mark;
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3045
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3046 /* go down in the tree if we haven't been there */
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3047 if (uhp->uh_prev.ptr != NULL && uhp->uh_prev.ptr->uh_walk != nomark
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3048 && uhp->uh_prev.ptr->uh_walk != mark)
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3049 {
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3050 uhp = uhp->uh_prev.ptr;
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3051 ++changes;
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3052 }
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3053
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3054 /* go to alternate branch if we haven't been there */
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3055 else if (uhp->uh_alt_next.ptr != NULL
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3056 && uhp->uh_alt_next.ptr->uh_walk != nomark
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3057 && uhp->uh_alt_next.ptr->uh_walk != mark)
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3058 uhp = uhp->uh_alt_next.ptr;
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3059
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3060 /* go up in the tree if we haven't been there and we are at the
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3061 * start of alternate branches */
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3062 else if (uhp->uh_next.ptr != NULL && uhp->uh_alt_prev.ptr == NULL
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3063 && uhp->uh_next.ptr->uh_walk != nomark
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3064 && uhp->uh_next.ptr->uh_walk != mark)
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3065 {
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3066 uhp = uhp->uh_next.ptr;
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3067 --changes;
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3068 }
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3069
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3070 else
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3071 {
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3072 /* need to backtrack; mark this node as done */
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3073 uhp->uh_walk = nomark;
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3074 if (uhp->uh_alt_prev.ptr != NULL)
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3075 uhp = uhp->uh_alt_prev.ptr;
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3076 else
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3077 {
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3078 uhp = uhp->uh_next.ptr;
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3079 --changes;
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3080 }
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3081 }
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3082 }
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3083
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3084 if (ga.ga_len == 0)
15543
dd725a8ab112 patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents: 15470
diff changeset
3085 msg(_("Nothing to undo"));
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3086 else
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3087 {
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3088 sort_strings((char_u **)ga.ga_data, ga.ga_len);
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3089
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3090 msg_start();
15543
dd725a8ab112 patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents: 15470
diff changeset
3091 msg_puts_attr(_("number changes when saved"),
11158
501f46f7644c patch 8.0.0466: still macros that should be all-caps
Christian Brabandt <cb@256bit.org>
parents: 11127
diff changeset
3092 HL_ATTR(HLF_T));
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3093 for (i = 0; i < ga.ga_len && !got_int; ++i)
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3094 {
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3095 msg_putchar('\n');
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3096 if (got_int)
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3097 break;
15543
dd725a8ab112 patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents: 15470
diff changeset
3098 msg_puts(((char **)ga.ga_data)[i]);
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3099 }
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3100 msg_end();
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3101
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3102 ga_clear_strings(&ga);
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3103 }
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3104 }
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3105
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3106 /*
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3107 * Put the timestamp of an undo header in "buf[buflen]" in a nice format.
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3108 */
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3109 static void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3110 u_add_time(char_u *buf, size_t buflen, time_t tt)
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3111 {
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3112 #ifdef HAVE_STRFTIME
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3113 struct tm *curtime;
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3114
9674
adc7212951ee commit https://github.com/vim/vim/commit/170b10b421f0c9fda08b7cfd3bb043c064f3659a
Christian Brabandt <cb@256bit.org>
parents: 9536
diff changeset
3115 if (vim_time() - tt >= 100)
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3116 {
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3117 curtime = localtime(&tt);
9674
adc7212951ee commit https://github.com/vim/vim/commit/170b10b421f0c9fda08b7cfd3bb043c064f3659a
Christian Brabandt <cb@256bit.org>
parents: 9536
diff changeset
3118 if (vim_time() - tt < (60L * 60L * 12L))
2627
fae6fb779a6b updated for version 7.3.048
Bram Moolenaar <bram@vim.org>
parents: 2577
diff changeset
3119 /* within 12 hours */
fae6fb779a6b updated for version 7.3.048
Bram Moolenaar <bram@vim.org>
parents: 2577
diff changeset
3120 (void)strftime((char *)buf, buflen, "%H:%M:%S", curtime);
fae6fb779a6b updated for version 7.3.048
Bram Moolenaar <bram@vim.org>
parents: 2577
diff changeset
3121 else
3751
b7eea2409507 updated for version 7.3.634
Bram Moolenaar <bram@vim.org>
parents: 3545
diff changeset
3122 /* longer ago */
2689
26fb122355d4 updated for version 7.3.107
Bram Moolenaar <bram@vim.org>
parents: 2685
diff changeset
3123 (void)strftime((char *)buf, buflen, "%Y/%m/%d %H:%M:%S", curtime);
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3124 }
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3125 else
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3126 #endif
14589
9c9ee53868b9 patch 8.1.0308: a quick undo shows "1 seconds ago"
Christian Brabandt <cb@256bit.org>
parents: 14327
diff changeset
3127 {
9c9ee53868b9 patch 8.1.0308: a quick undo shows "1 seconds ago"
Christian Brabandt <cb@256bit.org>
parents: 14327
diff changeset
3128 long seconds = (long)(vim_time() - tt);
9c9ee53868b9 patch 8.1.0308: a quick undo shows "1 seconds ago"
Christian Brabandt <cb@256bit.org>
parents: 14327
diff changeset
3129
9c9ee53868b9 patch 8.1.0308: a quick undo shows "1 seconds ago"
Christian Brabandt <cb@256bit.org>
parents: 14327
diff changeset
3130 vim_snprintf((char *)buf, buflen,
9c9ee53868b9 patch 8.1.0308: a quick undo shows "1 seconds ago"
Christian Brabandt <cb@256bit.org>
parents: 14327
diff changeset
3131 NGETTEXT("%ld second ago", "%ld seconds ago", seconds),
9c9ee53868b9 patch 8.1.0308: a quick undo shows "1 seconds ago"
Christian Brabandt <cb@256bit.org>
parents: 14327
diff changeset
3132 seconds);
9c9ee53868b9 patch 8.1.0308: a quick undo shows "1 seconds ago"
Christian Brabandt <cb@256bit.org>
parents: 14327
diff changeset
3133 }
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3134 }
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3135
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3136 /*
697
f08390485cd3 updated for version 7.0210
vimboss
parents: 692
diff changeset
3137 * ":undojoin": continue adding to the last entry list
f08390485cd3 updated for version 7.0210
vimboss
parents: 692
diff changeset
3138 */
f08390485cd3 updated for version 7.0210
vimboss
parents: 692
diff changeset
3139 void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3140 ex_undojoin(exarg_T *eap UNUSED)
697
f08390485cd3 updated for version 7.0210
vimboss
parents: 692
diff changeset
3141 {
839
1f3b1021f002 updated for version 7.0e05
vimboss
parents: 835
diff changeset
3142 if (curbuf->b_u_newhead == NULL)
1f3b1021f002 updated for version 7.0e05
vimboss
parents: 835
diff changeset
3143 return; /* nothing changed before */
1f3b1021f002 updated for version 7.0e05
vimboss
parents: 835
diff changeset
3144 if (curbuf->b_u_curhead != NULL)
1f3b1021f002 updated for version 7.0e05
vimboss
parents: 835
diff changeset
3145 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
3146 emsg(_("E790: undojoin is not allowed after undo"));
839
1f3b1021f002 updated for version 7.0e05
vimboss
parents: 835
diff changeset
3147 return;
1f3b1021f002 updated for version 7.0e05
vimboss
parents: 835
diff changeset
3148 }
697
f08390485cd3 updated for version 7.0210
vimboss
parents: 692
diff changeset
3149 if (!curbuf->b_u_synced)
f08390485cd3 updated for version 7.0210
vimboss
parents: 692
diff changeset
3150 return; /* already unsynced */
5446
d0595545e98a updated for version 7.4.073
Bram Moolenaar <bram@vim.org>
parents: 5343
diff changeset
3151 if (get_undolevel() < 0)
697
f08390485cd3 updated for version 7.0210
vimboss
parents: 692
diff changeset
3152 return; /* no entries, nothing to do */
f08390485cd3 updated for version 7.0210
vimboss
parents: 692
diff changeset
3153 else
10631
cbf17371627c patch 8.0.0205: wrong behavior after :undojoin
Christian Brabandt <cb@256bit.org>
parents: 10518
diff changeset
3154 /* Append next change to the last entry */
cbf17371627c patch 8.0.0205: wrong behavior after :undojoin
Christian Brabandt <cb@256bit.org>
parents: 10518
diff changeset
3155 curbuf->b_u_synced = FALSE;
697
f08390485cd3 updated for version 7.0210
vimboss
parents: 692
diff changeset
3156 }
f08390485cd3 updated for version 7.0210
vimboss
parents: 692
diff changeset
3157
f08390485cd3 updated for version 7.0210
vimboss
parents: 692
diff changeset
3158 /*
2394
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
3159 * Called after writing or reloading the file and setting b_changed to FALSE.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3160 * Now an undo means that the buffer is modified.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3161 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3162 void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3163 u_unchanged(buf_T *buf)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3164 {
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
3165 u_unch_branch(buf->b_u_oldhead);
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
3166 buf->b_did_warn = FALSE;
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
3167 }
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
3168
2281
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
3169 /*
2482
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3170 * After reloading a buffer which was saved for 'undoreload': Find the first
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3171 * line that was changed and set the cursor there.
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3172 */
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3173 void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3174 u_find_first_changed(void)
2482
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3175 {
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3176 u_header_T *uhp = curbuf->b_u_newhead;
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3177 u_entry_T *uep;
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3178 linenr_T lnum;
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3179
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3180 if (curbuf->b_u_curhead != NULL || uhp == NULL)
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3181 return; /* undid something in an autocmd? */
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3182
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3183 /* Check that the last undo block was for the whole file. */
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3184 uep = uhp->uh_entry;
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3185 if (uep->ue_top != 0 || uep->ue_bot != 0)
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3186 return;
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3187
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3188 for (lnum = 1; lnum < curbuf->b_ml.ml_line_count
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3189 && lnum <= uep->ue_size; ++lnum)
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
3190 {
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
3191 char_u *p = ml_get_buf(curbuf, lnum, FALSE);
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
3192
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
3193 if (uep->ue_array[lnum - 1].ul_len != curbuf->b_ml.ml_line_len
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
3194 || memcmp(p, uep->ue_array[lnum - 1].ul_line, uep->ue_array[lnum - 1].ul_len) != 0)
2482
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3195 {
11121
778c10516955 patch 8.0.0448: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents: 10978
diff changeset
3196 CLEAR_POS(&(uhp->uh_cursor));
2482
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3197 uhp->uh_cursor.lnum = lnum;
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3198 return;
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3199 }
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
3200 }
2482
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3201 if (curbuf->b_ml.ml_line_count != uep->ue_size)
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3202 {
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3203 /* lines added or deleted at the end, put the cursor there */
11121
778c10516955 patch 8.0.0448: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents: 10978
diff changeset
3204 CLEAR_POS(&(uhp->uh_cursor));
2482
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3205 uhp->uh_cursor.lnum = lnum;
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3206 }
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3207 }
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3208
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3209 /*
2281
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
3210 * Increase the write count, store it in the last undo header, what would be
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
3211 * used for "u".
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
3212 */
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
3213 void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3214 u_update_save_nr(buf_T *buf)
2281
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
3215 {
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
3216 u_header_T *uhp;
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
3217
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
3218 ++buf->b_u_save_nr_last;
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
3219 buf->b_u_save_nr_cur = buf->b_u_save_nr_last;
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
3220 uhp = buf->b_u_curhead;
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
3221 if (uhp != NULL)
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
3222 uhp = uhp->uh_next.ptr;
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
3223 else
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
3224 uhp = buf->b_u_newhead;
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
3225 if (uhp != NULL)
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
3226 uhp->uh_save_nr = buf->b_u_save_nr_last;
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
3227 }
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
3228
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
3229 static void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3230 u_unch_branch(u_header_T *uhp)
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
3231 {
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3232 u_header_T *uh;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3233
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3234 for (uh = uhp; uh != NULL; uh = uh->uh_prev.ptr)
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
3235 {
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3236 uh->uh_flags |= UH_CHANGED;
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3237 if (uh->uh_alt_next.ptr != NULL)
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3238 u_unch_branch(uh->uh_alt_next.ptr); /* recursive */
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
3239 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3240 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3241
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3242 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3243 * Get pointer to last added entry.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3244 * If it's not valid, give an error message and return NULL.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3245 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3246 static u_entry_T *
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3247 u_get_headentry(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3248 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3249 if (curbuf->b_u_newhead == NULL || curbuf->b_u_newhead->uh_entry == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3250 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
3251 iemsg(_("E439: undo list corrupt"));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3252 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3253 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3254 return curbuf->b_u_newhead->uh_entry;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3255 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3256
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3257 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3258 * u_getbot(): compute the line number of the previous u_save
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3259 * It is called only when b_u_synced is FALSE.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3260 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3261 static void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3262 u_getbot(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3263 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3264 u_entry_T *uep;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3265 linenr_T extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3266
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3267 uep = u_get_headentry(); /* check for corrupt undo list */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3268 if (uep == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3269 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3270
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3271 uep = curbuf->b_u_newhead->uh_getbot_entry;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3272 if (uep != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3273 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3274 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3275 * the new ue_bot is computed from the number of lines that has been
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3276 * inserted (0 - deleted) since calling u_save. This is equal to the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3277 * old line count subtracted from the current line count.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3278 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3279 extra = curbuf->b_ml.ml_line_count - uep->ue_lcount;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3280 uep->ue_bot = uep->ue_top + uep->ue_size + 1 + extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3281 if (uep->ue_bot < 1 || uep->ue_bot > curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3282 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
3283 iemsg(_("E440: undo line missing"));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3284 uep->ue_bot = uep->ue_top + 1; /* assume all lines deleted, will
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3285 * get all the old lines back
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3286 * without deleting the current
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3287 * ones */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3288 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3289
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3290 curbuf->b_u_newhead->uh_getbot_entry = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3291 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3292
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3293 curbuf->b_u_synced = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3294 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3295
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3296 /*
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
3297 * Free one header "uhp" and its entry list and adjust the pointers.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3298 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3299 static void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3300 u_freeheader(
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3301 buf_T *buf,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3302 u_header_T *uhp,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3303 u_header_T **uhpp) /* if not NULL reset when freeing this header */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3304 {
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
3305 u_header_T *uhap;
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
3306
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3307 /* When there is an alternate redo list free that branch completely,
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3308 * because we can never go there. */
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3309 if (uhp->uh_alt_next.ptr != NULL)
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3310 u_freebranch(buf, uhp->uh_alt_next.ptr, uhpp);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3311
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3312 if (uhp->uh_alt_prev.ptr != NULL)
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3313 uhp->uh_alt_prev.ptr->uh_alt_next.ptr = NULL;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3314
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3315 /* Update the links in the list to remove the header. */
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3316 if (uhp->uh_next.ptr == NULL)
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3317 buf->b_u_oldhead = uhp->uh_prev.ptr;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3318 else
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3319 uhp->uh_next.ptr->uh_prev.ptr = uhp->uh_prev.ptr;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3320
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3321 if (uhp->uh_prev.ptr == NULL)
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3322 buf->b_u_newhead = uhp->uh_next.ptr;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3323 else
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3324 for (uhap = uhp->uh_prev.ptr; uhap != NULL;
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3325 uhap = uhap->uh_alt_next.ptr)
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3326 uhap->uh_next.ptr = uhp->uh_next.ptr;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3327
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3328 u_freeentries(buf, uhp, uhpp);
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3329 }
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3330
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3331 /*
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
3332 * Free an alternate branch and any following alternate branches.
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3333 */
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3334 static void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3335 u_freebranch(
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3336 buf_T *buf,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3337 u_header_T *uhp,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3338 u_header_T **uhpp) /* if not NULL reset when freeing this header */
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3339 {
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3340 u_header_T *tofree, *next;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3341
1440
93ffa40b5320 updated for version 7.1-155
vimboss
parents: 1415
diff changeset
3342 /* If this is the top branch we may need to use u_freeheader() to update
93ffa40b5320 updated for version 7.1-155
vimboss
parents: 1415
diff changeset
3343 * all the pointers. */
93ffa40b5320 updated for version 7.1-155
vimboss
parents: 1415
diff changeset
3344 if (uhp == buf->b_u_oldhead)
93ffa40b5320 updated for version 7.1-155
vimboss
parents: 1415
diff changeset
3345 {
5448
9818311eeca0 updated for version 7.4.074
Bram Moolenaar <bram@vim.org>
parents: 5446
diff changeset
3346 while (buf->b_u_oldhead != NULL)
9818311eeca0 updated for version 7.4.074
Bram Moolenaar <bram@vim.org>
parents: 5446
diff changeset
3347 u_freeheader(buf, buf->b_u_oldhead, uhpp);
1440
93ffa40b5320 updated for version 7.1-155
vimboss
parents: 1415
diff changeset
3348 return;
93ffa40b5320 updated for version 7.1-155
vimboss
parents: 1415
diff changeset
3349 }
93ffa40b5320 updated for version 7.1-155
vimboss
parents: 1415
diff changeset
3350
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3351 if (uhp->uh_alt_prev.ptr != NULL)
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3352 uhp->uh_alt_prev.ptr->uh_alt_next.ptr = NULL;
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3353
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3354 next = uhp;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3355 while (next != NULL)
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3356 {
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3357 tofree = next;
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3358 if (tofree->uh_alt_next.ptr != NULL)
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3359 u_freebranch(buf, tofree->uh_alt_next.ptr, uhpp); /* recursive */
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3360 next = tofree->uh_prev.ptr;
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3361 u_freeentries(buf, tofree, uhpp);
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3362 }
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3363 }
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3364
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3365 /*
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3366 * Free all the undo entries for one header and the header itself.
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3367 * This means that "uhp" is invalid when returning.
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3368 */
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3369 static void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3370 u_freeentries(
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3371 buf_T *buf,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3372 u_header_T *uhp,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3373 u_header_T **uhpp) /* if not NULL reset when freeing this header */
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3374 {
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3375 u_entry_T *uep, *nuep;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3376
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3377 /* Check for pointers to the header that become invalid now. */
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3378 if (buf->b_u_curhead == uhp)
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3379 buf->b_u_curhead = NULL;
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
3380 if (buf->b_u_newhead == uhp)
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
3381 buf->b_u_newhead = NULL; /* freeing the newest entry */
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3382 if (uhpp != NULL && uhp == *uhpp)
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3383 *uhpp = NULL;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3384
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3385 for (uep = uhp->uh_entry; uep != NULL; uep = nuep)
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3386 {
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3387 nuep = uep->ue_next;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3388 u_freeentry(uep, uep->ue_size);
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3389 }
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3390
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
3391 #ifdef U_DEBUG
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
3392 uhp->uh_magic = 0;
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
3393 #endif
2230
290ee42cae85 Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents: 2229
diff changeset
3394 vim_free((char_u *)uhp);
168
4d9eabb1396e updated for version 7.0051
vimboss
parents: 33
diff changeset
3395 --buf->b_u_numhead;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3396 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3397
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3398 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3399 * free entry 'uep' and 'n' lines in uep->ue_array[]
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3400 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3401 static void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3402 u_freeentry(u_entry_T *uep, long n)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3403 {
414
8ab9c77240d4 updated for version 7.0108
vimboss
parents: 407
diff changeset
3404 while (n > 0)
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
3405 vim_free(uep->ue_array[--n].ul_line);
2230
290ee42cae85 Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents: 2229
diff changeset
3406 vim_free((char_u *)uep->ue_array);
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
3407 #ifdef U_DEBUG
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
3408 uep->ue_magic = 0;
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
3409 #endif
2230
290ee42cae85 Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents: 2229
diff changeset
3410 vim_free((char_u *)uep);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3411 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3412
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3413 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3414 * invalidate the undo buffer; called when storage has already been released
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3415 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3416 void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3417 u_clearall(buf_T *buf)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3418 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3419 buf->b_u_newhead = buf->b_u_oldhead = buf->b_u_curhead = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3420 buf->b_u_synced = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3421 buf->b_u_numhead = 0;
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
3422 buf->b_u_line_ptr.ul_line = NULL;
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
3423 buf->b_u_line_ptr.ul_len = 0;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3424 buf->b_u_line_lnum = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3425 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3426
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3427 /*
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
3428 * Save the line "lnum" for the "U" command.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3429 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3430 void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3431 u_saveline(linenr_T lnum)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3432 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3433 if (lnum == curbuf->b_u_line_lnum) /* line is already saved */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3434 return;
356
0f2b5d1b8117 updated for version 7.0092
vimboss
parents: 344
diff changeset
3435 if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count) /* should never happen */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3436 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3437 u_clearline();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3438 curbuf->b_u_line_lnum = lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3439 if (curwin->w_cursor.lnum == lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3440 curbuf->b_u_line_colnr = curwin->w_cursor.col;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3441 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3442 curbuf->b_u_line_colnr = 0;
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
3443 if (u_save_line(&curbuf->b_u_line_ptr, lnum) == FAIL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3444 do_outofmem_msg((long_u)0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3445 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3446
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3447 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3448 * clear the line saved for the "U" command
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3449 * (this is used externally for crossing a line while in insert mode)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3450 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3451 void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3452 u_clearline(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3453 {
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
3454 if (curbuf->b_u_line_ptr.ul_line != NULL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3455 {
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
3456 VIM_CLEAR(curbuf->b_u_line_ptr.ul_line);
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
3457 curbuf->b_u_line_ptr.ul_len = 0;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3458 curbuf->b_u_line_lnum = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3459 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3460 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3461
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3462 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3463 * Implementation of the "U" command.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3464 * Differentiation from vi: "U" can be undone with the next "U".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3465 * We also allow the cursor to be in another line.
2289
3331756e4232 Make synstack() work on the character just after the end of the line.
Bram Moolenaar <bram@vim.org>
parents: 2288
diff changeset
3466 * Careful: may trigger autocommands that reload the buffer.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3467 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3468 void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3469 u_undoline(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3470 {
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
3471 colnr_T t;
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
3472 undoline_T oldp;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3473
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3474 if (undo_off)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3475 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3476
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
3477 if (curbuf->b_u_line_ptr.ul_line == NULL
1534
bdfbf8ef447a updated for version 7.1-249
vimboss
parents: 1440
diff changeset
3478 || curbuf->b_u_line_lnum > curbuf->b_ml.ml_line_count)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3479 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3480 beep_flush();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3481 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3482 }
1534
bdfbf8ef447a updated for version 7.1-249
vimboss
parents: 1440
diff changeset
3483
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
3484 // first save the line for the 'u' command
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3485 if (u_savecommon(curbuf->b_u_line_lnum - 1,
2394
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
3486 curbuf->b_u_line_lnum + 1, (linenr_T)0, FALSE) == FAIL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3487 return;
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
3488 if (u_save_line(&oldp, curbuf->b_u_line_lnum) == FAIL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3489 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3490 do_outofmem_msg((long_u)0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3491 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3492 }
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
3493 ml_replace_len(curbuf->b_u_line_lnum, curbuf->b_u_line_ptr.ul_line, curbuf->b_u_line_ptr.ul_len, TRUE, FALSE);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3494 changed_bytes(curbuf->b_u_line_lnum, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3495 curbuf->b_u_line_ptr = oldp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3496
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3497 t = curbuf->b_u_line_colnr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3498 if (curwin->w_cursor.lnum == curbuf->b_u_line_lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3499 curbuf->b_u_line_colnr = curwin->w_cursor.col;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3500 curwin->w_cursor.col = t;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3501 curwin->w_cursor.lnum = curbuf->b_u_line_lnum;
1534
bdfbf8ef447a updated for version 7.1-249
vimboss
parents: 1440
diff changeset
3502 check_cursor_col();
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3503 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3504
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3505 /*
168
4d9eabb1396e updated for version 7.0051
vimboss
parents: 33
diff changeset
3506 * Free all allocated memory blocks for the buffer 'buf'.
4d9eabb1396e updated for version 7.0051
vimboss
parents: 33
diff changeset
3507 */
4d9eabb1396e updated for version 7.0051
vimboss
parents: 33
diff changeset
3508 void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3509 u_blockfree(buf_T *buf)
168
4d9eabb1396e updated for version 7.0051
vimboss
parents: 33
diff changeset
3510 {
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3511 while (buf->b_u_oldhead != NULL)
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
3512 u_freeheader(buf, buf->b_u_oldhead, NULL);
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
3513 vim_free(buf->b_u_line_ptr.ul_line);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3514 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3515
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3516 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3517 * Check if the 'modified' flag is set, or 'ff' has changed (only need to
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3518 * check the first character, because it can only be "dos", "unix" or "mac").
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3519 * "nofile" and "scratch" type buffers are considered to always be unchanged.
13012
8d5b451d7bab patch 8.0.1382: get "no write since last change" message if terminal is open
Christian Brabandt <cb@256bit.org>
parents: 12827
diff changeset
3520 * Also considers a buffer changed when a terminal window contains a running
8d5b451d7bab patch 8.0.1382: get "no write since last change" message if terminal is open
Christian Brabandt <cb@256bit.org>
parents: 12827
diff changeset
3521 * job.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3522 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3523 int
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3524 bufIsChanged(buf_T *buf)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3525 {
11957
bc0fee081e1e patch 8.0.0858: can exit while a terminal is still running a job
Christian Brabandt <cb@256bit.org>
parents: 11836
diff changeset
3526 #ifdef FEAT_TERMINAL
bc0fee081e1e patch 8.0.0858: can exit while a terminal is still running a job
Christian Brabandt <cb@256bit.org>
parents: 11836
diff changeset
3527 if (term_job_running(buf->b_term))
bc0fee081e1e patch 8.0.0858: can exit while a terminal is still running a job
Christian Brabandt <cb@256bit.org>
parents: 11836
diff changeset
3528 return TRUE;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3529 #endif
13012
8d5b451d7bab patch 8.0.1382: get "no write since last change" message if terminal is open
Christian Brabandt <cb@256bit.org>
parents: 12827
diff changeset
3530 return bufIsChangedNotTerm(buf);
8d5b451d7bab patch 8.0.1382: get "no write since last change" message if terminal is open
Christian Brabandt <cb@256bit.org>
parents: 12827
diff changeset
3531 }
8d5b451d7bab patch 8.0.1382: get "no write since last change" message if terminal is open
Christian Brabandt <cb@256bit.org>
parents: 12827
diff changeset
3532
8d5b451d7bab patch 8.0.1382: get "no write since last change" message if terminal is open
Christian Brabandt <cb@256bit.org>
parents: 12827
diff changeset
3533 /*
8d5b451d7bab patch 8.0.1382: get "no write since last change" message if terminal is open
Christian Brabandt <cb@256bit.org>
parents: 12827
diff changeset
3534 * Like bufIsChanged() but ignoring a terminal window.
8d5b451d7bab patch 8.0.1382: get "no write since last change" message if terminal is open
Christian Brabandt <cb@256bit.org>
parents: 12827
diff changeset
3535 */
8d5b451d7bab patch 8.0.1382: get "no write since last change" message if terminal is open
Christian Brabandt <cb@256bit.org>
parents: 12827
diff changeset
3536 int
8d5b451d7bab patch 8.0.1382: get "no write since last change" message if terminal is open
Christian Brabandt <cb@256bit.org>
parents: 12827
diff changeset
3537 bufIsChangedNotTerm(buf_T *buf)
8d5b451d7bab patch 8.0.1382: get "no write since last change" message if terminal is open
Christian Brabandt <cb@256bit.org>
parents: 12827
diff changeset
3538 {
14147
de75c249723d patch 8.1.0091: MS-Windows: Cannot interrupt gdb when program is running
Christian Brabandt <cb@256bit.org>
parents: 13610
diff changeset
3539 // In a "prompt" buffer we do respect 'modified', so that we can control
de75c249723d patch 8.1.0091: MS-Windows: Cannot interrupt gdb when program is running
Christian Brabandt <cb@256bit.org>
parents: 13610
diff changeset
3540 // closing the window by setting or resetting that option.
de75c249723d patch 8.1.0091: MS-Windows: Cannot interrupt gdb when program is running
Christian Brabandt <cb@256bit.org>
parents: 13610
diff changeset
3541 return (!bt_dontwrite(buf) || bt_prompt(buf))
11957
bc0fee081e1e patch 8.0.0858: can exit while a terminal is still running a job
Christian Brabandt <cb@256bit.org>
parents: 11836
diff changeset
3542 && (buf->b_changed || file_ff_differs(buf, TRUE));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3543 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3544
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3545 int
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3546 curbufIsChanged(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3547 {
11957
bc0fee081e1e patch 8.0.0858: can exit while a terminal is still running a job
Christian Brabandt <cb@256bit.org>
parents: 11836
diff changeset
3548 return bufIsChanged(curbuf);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3549 }
2280
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3550
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3551 #if defined(FEAT_EVAL) || defined(PROTO)
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3552 /*
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3553 * For undotree(): Append the list of undo blocks at "first_uhp" to "list".
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3554 * Recursive.
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3555 */
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3556 void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3557 u_eval_tree(u_header_T *first_uhp, list_T *list)
2280
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3558 {
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3559 u_header_T *uhp = first_uhp;
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3560 dict_T *dict;
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3561
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3562 while (uhp != NULL)
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3563 {
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3564 dict = dict_alloc();
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3565 if (dict == NULL)
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3566 return;
14301
3c80092eb211 patch 8.1.0166: using dict_add_nr_str() is clumsy
Christian Brabandt <cb@256bit.org>
parents: 14237
diff changeset
3567 dict_add_number(dict, "seq", uhp->uh_seq);
3c80092eb211 patch 8.1.0166: using dict_add_nr_str() is clumsy
Christian Brabandt <cb@256bit.org>
parents: 14237
diff changeset
3568 dict_add_number(dict, "time", (long)uhp->uh_time);
2280
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3569 if (uhp == curbuf->b_u_newhead)
14301
3c80092eb211 patch 8.1.0166: using dict_add_nr_str() is clumsy
Christian Brabandt <cb@256bit.org>
parents: 14237
diff changeset
3570 dict_add_number(dict, "newhead", 1);
2280
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3571 if (uhp == curbuf->b_u_curhead)
14301
3c80092eb211 patch 8.1.0166: using dict_add_nr_str() is clumsy
Christian Brabandt <cb@256bit.org>
parents: 14237
diff changeset
3572 dict_add_number(dict, "curhead", 1);
2280
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3573 if (uhp->uh_save_nr > 0)
14301
3c80092eb211 patch 8.1.0166: using dict_add_nr_str() is clumsy
Christian Brabandt <cb@256bit.org>
parents: 14237
diff changeset
3574 dict_add_number(dict, "save", uhp->uh_save_nr);
2280
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3575
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3576 if (uhp->uh_alt_next.ptr != NULL)
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3577 {
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3578 list_T *alt_list = list_alloc();
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3579
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3580 if (alt_list != NULL)
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3581 {
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3582 /* Recursive call to add alternate undo tree. */
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3583 u_eval_tree(uhp->uh_alt_next.ptr, alt_list);
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3584 dict_add_list(dict, "alt", alt_list);
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3585 }
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3586 }
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3587
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3588 list_append_dict(list, dict);
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3589 uhp = uhp->uh_prev.ptr;
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3590 }
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3591 }
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3592 #endif