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annotate src/undo.c @ 17457:3a368ff28a0b

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Added tag v8.1.1726 for changeset e414281d8bb4383ab34c0f9aafd1efaf14cbaed6
author Bram Moolenaar <Bram@vim.org>
date Sun, 21 Jul 2019 16:45:05 +0200
parents d03a52e02f1a
children 380adf86bf66
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rev   line source
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1 /* vi:set ts=8 sts=4 sw=4 noet:
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2 *
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3 * VIM - Vi IMproved by Bram Moolenaar
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4 *
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5 * Do ":help uganda" in Vim to read copying and usage conditions.
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6 * Do ":help credits" in Vim to see a list of people who contributed.
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7 * See README.txt for an overview of the Vim source code.
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8 */
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9
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10 /*
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11 * undo.c: multi level undo facility
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12 *
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13 * The saved lines are stored in a list of lists (one for each buffer):
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14 *
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15 * b_u_oldhead------------------------------------------------+
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16 * |
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17 * V
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18 * +--------------+ +--------------+ +--------------+
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19 * b_u_newhead--->| u_header | | u_header | | u_header |
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20 * | uh_next------>| uh_next------>| uh_next---->NULL
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21 * NULL<--------uh_prev |<---------uh_prev |<---------uh_prev |
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22 * | uh_entry | | uh_entry | | uh_entry |
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23 * +--------|-----+ +--------|-----+ +--------|-----+
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24 * | | |
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25 * V V V
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26 * +--------------+ +--------------+ +--------------+
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27 * | u_entry | | u_entry | | u_entry |
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28 * | ue_next | | ue_next | | ue_next |
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29 * +--------|-----+ +--------|-----+ +--------|-----+
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30 * | | |
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31 * V V V
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32 * +--------------+ NULL NULL
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33 * | u_entry |
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34 * | ue_next |
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35 * +--------|-----+
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36 * |
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37 * V
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38 * etc.
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39 *
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40 * Each u_entry list contains the information for one undo or redo.
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41 * curbuf->b_u_curhead points to the header of the last undo (the next redo),
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42 * or is NULL if nothing has been undone (end of the branch).
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43 *
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44 * For keeping alternate undo/redo branches the uh_alt field is used. Thus at
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45 * each point in the list a branch may appear for an alternate to redo. The
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46 * uh_seq field is numbered sequentially to be able to find a newer or older
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47 * branch.
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48 *
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49 * +---------------+ +---------------+
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50 * b_u_oldhead --->| u_header | | u_header |
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51 * | uh_alt_next ---->| uh_alt_next ----> NULL
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52 * NULL <----- uh_alt_prev |<------ uh_alt_prev |
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53 * | uh_prev | | uh_prev |
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54 * +-----|---------+ +-----|---------+
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55 * | |
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56 * V V
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57 * +---------------+ +---------------+
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58 * | u_header | | u_header |
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59 * | uh_alt_next | | uh_alt_next |
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60 * b_u_newhead --->| uh_alt_prev | | uh_alt_prev |
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61 * | uh_prev | | uh_prev |
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62 * +-----|---------+ +-----|---------+
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63 * | |
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64 * V V
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65 * NULL +---------------+ +---------------+
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66 * | u_header | | u_header |
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67 * | uh_alt_next ---->| uh_alt_next |
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68 * | uh_alt_prev |<------ uh_alt_prev |
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69 * | uh_prev | | uh_prev |
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70 * +-----|---------+ +-----|---------+
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71 * | |
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72 * etc. etc.
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73 *
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74 *
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75 * All data is allocated and will all be freed when the buffer is unloaded.
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76 */
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77
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78 /* Uncomment the next line for including the u_check() function. This warns
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79 * for errors in the debug information. */
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80 /* #define U_DEBUG 1 */
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81 #define UH_MAGIC 0x18dade /* value for uh_magic when in use */
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82 #define UE_MAGIC 0xabc123 /* value for ue_magic when in use */
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83
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84 /* Size of buffer used for encryption. */
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85 #define CRYPT_BUF_SIZE 8192
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86
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87 #include "vim.h"
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88
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89 /* Structure passed around between functions.
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90 * Avoids passing cryptstate_T when encryption not available. */
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91 typedef struct {
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92 buf_T *bi_buf;
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93 FILE *bi_fp;
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94 #ifdef FEAT_CRYPT
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95 cryptstate_T *bi_state;
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96 char_u *bi_buffer; /* CRYPT_BUF_SIZE, NULL when not buffering */
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97 size_t bi_used; /* bytes written to/read from bi_buffer */
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98 size_t bi_avail; /* bytes available in bi_buffer */
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99 #endif
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100 } bufinfo_T;
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101
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102
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103 static void u_unch_branch(u_header_T *uhp);
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104 static u_entry_T *u_get_headentry(void);
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105 static void u_getbot(void);
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106 static void u_doit(int count);
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107 static void u_undoredo(int undo);
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108 static void u_undo_end(int did_undo, int absolute);
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109 static void u_add_time(char_u *buf, size_t buflen, time_t tt);
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110 static void u_freeheader(buf_T *buf, u_header_T *uhp, u_header_T **uhpp);
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111 static void u_freebranch(buf_T *buf, u_header_T *uhp, u_header_T **uhpp);
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112 static void u_freeentries(buf_T *buf, u_header_T *uhp, u_header_T **uhpp);
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113 static void u_freeentry(u_entry_T *, long);
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114 #ifdef FEAT_PERSISTENT_UNDO
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115 # ifdef FEAT_CRYPT
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116 static int undo_flush(bufinfo_T *bi);
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117 # endif
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118 static int undo_read(bufinfo_T *bi, char_u *buffer, size_t size);
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119 static int serialize_uep(bufinfo_T *bi, u_entry_T *uep);
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120 static u_entry_T *unserialize_uep(bufinfo_T *bi, int *error, char_u *file_name);
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121 static void serialize_pos(bufinfo_T *bi, pos_T pos);
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122 static void unserialize_pos(bufinfo_T *bi, pos_T *pos);
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123 static void serialize_visualinfo(bufinfo_T *bi, visualinfo_T *info);
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124 static void unserialize_visualinfo(bufinfo_T *bi, visualinfo_T *info);
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125 #endif
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126
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127 #define U_ALLOC_LINE(size) lalloc(size, FALSE)
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128
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129 /* used in undo_end() to report number of added and deleted lines */
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130 static long u_newcount, u_oldcount;
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131
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132 /*
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133 * When 'u' flag included in 'cpoptions', we behave like vi. Need to remember
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134 * the action that "u" should do.
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135 */
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136 static int undo_undoes = FALSE;
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137
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138 static int lastmark = 0;
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139
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140 #if defined(U_DEBUG) || defined(PROTO)
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141 /*
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142 * Check the undo structures for being valid. Print a warning when something
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143 * looks wrong.
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144 */
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145 static int seen_b_u_curhead;
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146 static int seen_b_u_newhead;
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147 static int header_count;
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148
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149 static void
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150 u_check_tree(u_header_T *uhp,
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151 u_header_T *exp_uh_next,
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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 {
16764
ef00b6bc186b patch 8.1.1384: using "int" for alloc() often results in compiler warnings
Bram Moolenaar <Bram@vim.org>
parents: 16627
diff changeset
370 // This uses the length in the memline, thus text properties are
ef00b6bc186b patch 8.1.1384: using "int" for alloc() often results in compiler warnings
Bram Moolenaar <Bram@vim.org>
parents: 16627
diff changeset
371 // included.
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
372 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
373 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
374 }
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
375 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
376 }
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
377
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
378 /*
2189
cb94c42c0e1a updated for version 7.2.445
Bram Moolenaar <bram@vim.org>
parents: 2181
diff changeset
379 * 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
380 * "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
381 * "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
382 * "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
383 * "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
384 * 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
385 * 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
386 */
2394
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
387 int
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
388 u_savecommon(
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
389 linenr_T top,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
390 linenr_T bot,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
391 linenr_T newbot,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
392 int reload)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
393 {
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
394 linenr_T lnum;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
395 long i;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
396 u_header_T *uhp;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
397 u_header_T *old_curhead;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
398 u_entry_T *uep;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
399 u_entry_T *prev_uep;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
400 long size;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
401
2394
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
402 if (!reload)
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
403 {
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
404 /* 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
405 * 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
406 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
407 return FAIL;
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 #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
410 /*
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
411 * 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
412 * 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
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_active())
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
415 {
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
416 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
417 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
418 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
419 return FAIL;
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
420 }
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
421 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
422 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
423 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
424 return FAIL;
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
425 }
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
426 }
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
427 #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
428 #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
429 /* 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
430 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
431 #endif
2394
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
432
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
433 /*
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
434 * 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
435 * 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
436 * 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
437 * (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
438 */
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
439 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
440 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
441 {
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
442 /* 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
443 * 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
444 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
445 return FAIL;
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
446 }
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
447 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
448
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
449 #ifdef U_DEBUG
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
450 u_check(FALSE);
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
451 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
452
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
453 size = bot - top - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
454
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
455 /*
2189
cb94c42c0e1a updated for version 7.2.445
Bram Moolenaar <bram@vim.org>
parents: 2181
diff changeset
456 * If curbuf->b_u_synced == TRUE make a new header.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
457 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
458 if (curbuf->b_u_synced)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
459 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
460 #ifdef FEAT_JUMPLIST
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
461 /* Need to create new entry in b_changelist. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
462 curbuf->b_new_change = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
463 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
464
5446
d0595545e98a updated for version 7.4.073
Bram Moolenaar <bram@vim.org>
parents: 5343
diff changeset
465 if (get_undolevel() >= 0)
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
466 {
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
467 /*
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
468 * 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
469 * up the undo info when out of memory.
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
470 */
16825
ce04ebdf26b8 patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts
Bram Moolenaar <Bram@vim.org>
parents: 16768
diff changeset
471 uhp = U_ALLOC_LINE(sizeof(u_header_T));
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
472 if (uhp == NULL)
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
473 goto nomem;
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
474 #ifdef U_DEBUG
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
475 uhp->uh_magic = UH_MAGIC;
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
476 #endif
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
477 }
766
f0d0d3d3a1e2 updated for version 7.0225
vimboss
parents: 758
diff changeset
478 else
f0d0d3d3a1e2 updated for version 7.0225
vimboss
parents: 758
diff changeset
479 uhp = NULL;
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
480
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
481 /*
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
482 * If we undid more than we redid, move the entry lists before and
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
483 * including curbuf->b_u_curhead to an alternate branch.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
484 */
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
485 old_curhead = curbuf->b_u_curhead;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
486 if (old_curhead != NULL)
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
487 {
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
488 curbuf->b_u_newhead = old_curhead->uh_next.ptr;
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
489 curbuf->b_u_curhead = NULL;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
490 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
491
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
492 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
493 * free headers to keep the size right
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
494 */
5446
d0595545e98a updated for version 7.4.073
Bram Moolenaar <bram@vim.org>
parents: 5343
diff changeset
495 while (curbuf->b_u_numhead > get_undolevel()
d0595545e98a updated for version 7.4.073
Bram Moolenaar <bram@vim.org>
parents: 5343
diff changeset
496 && curbuf->b_u_oldhead != NULL)
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
497 {
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
498 u_header_T *uhfree = curbuf->b_u_oldhead;
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
499
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
500 if (uhfree == old_curhead)
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
501 /* Can't reconnect the branch, delete all of it. */
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
502 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
503 else if (uhfree->uh_alt_next.ptr == NULL)
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
504 /* There is no branch, only free one header. */
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
505 u_freeheader(curbuf, uhfree, &old_curhead);
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
506 else
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
507 {
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
508 /* 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
509 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
510 uhfree = uhfree->uh_alt_next.ptr;
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
511 u_freebranch(curbuf, uhfree, &old_curhead);
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
512 }
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
513 #ifdef U_DEBUG
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
514 u_check(TRUE);
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
515 #endif
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
516 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
517
766
f0d0d3d3a1e2 updated for version 7.0225
vimboss
parents: 758
diff changeset
518 if (uhp == NULL) /* no undo at all */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
519 {
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
520 if (old_curhead != NULL)
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
521 u_freebranch(curbuf, old_curhead, NULL);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
522 curbuf->b_u_synced = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
523 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
524 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
525
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
526 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
527 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
528 uhp->uh_alt_next.ptr = old_curhead;
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
529 if (old_curhead != NULL)
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
530 {
2242
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 = 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
532 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
533 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
534 old_curhead->uh_alt_prev.ptr = uhp;
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
535 if (curbuf->b_u_oldhead == old_curhead)
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
536 curbuf->b_u_oldhead = uhp;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
537 }
1056
e6d25347de2c updated for version 7.0-182
vimboss
parents: 944
diff changeset
538 else
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
539 uhp->uh_alt_prev.ptr = NULL;
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
540 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
541 curbuf->b_u_newhead->uh_prev.ptr = uhp;
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
542
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
543 uhp->uh_seq = ++curbuf->b_u_seq_last;
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
544 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
545 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
546 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
547 curbuf->b_u_time_cur = uhp->uh_time + 1;
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
548
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
549 uhp->uh_walk = 0;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
550 uhp->uh_entry = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
551 uhp->uh_getbot_entry = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
552 uhp->uh_cursor = curwin->w_cursor; /* save cursor pos. for undo */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
553 if (virtual_active() && curwin->w_cursor.coladd > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
554 uhp->uh_cursor_vcol = getviscol();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
555 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
556 uhp->uh_cursor_vcol = -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
557
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
558 /* save changed and buffer empty flag for undo */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
559 uhp->uh_flags = (curbuf->b_changed ? UH_CHANGED : 0) +
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
560 ((curbuf->b_ml.ml_flags & ML_EMPTY) ? UH_EMPTYBUF : 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
561
692
a28f83d37113 updated for version 7.0208
vimboss
parents: 634
diff changeset
562 /* save named marks and Visual marks for undo */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
563 mch_memmove(uhp->uh_namedm, curbuf->b_namedm, sizeof(pos_T) * NMARKS);
692
a28f83d37113 updated for version 7.0208
vimboss
parents: 634
diff changeset
564 uhp->uh_visual = curbuf->b_visual;
a28f83d37113 updated for version 7.0208
vimboss
parents: 634
diff changeset
565
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
566 curbuf->b_u_newhead = uhp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
567 if (curbuf->b_u_oldhead == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
568 curbuf->b_u_oldhead = uhp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
569 ++curbuf->b_u_numhead;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
570 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
571 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
572 {
5446
d0595545e98a updated for version 7.4.073
Bram Moolenaar <bram@vim.org>
parents: 5343
diff changeset
573 if (get_undolevel() < 0) /* no undo at all */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
574 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
575
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
576 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
577 * When saving a single line, and it has been saved just before, it
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
578 * doesn't make sense saving it again. Saves a lot of memory when
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
579 * making lots of changes inside the same line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
580 * This is only possible if the previous change didn't increase or
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
581 * decrease the number of lines.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
582 * Check the ten last changes. More doesn't make sense and takes too
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
583 * long.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
584 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
585 if (size == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
586 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
587 uep = u_get_headentry();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
588 prev_uep = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
589 for (i = 0; i < 10; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
590 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
591 if (uep == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
592 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
593
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
594 /* If lines have been inserted/deleted we give up.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
595 * Also when the line was included in a multi-line save. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
596 if ((curbuf->b_u_newhead->uh_getbot_entry != uep
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
597 ? (uep->ue_top + uep->ue_size + 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
598 != (uep->ue_bot == 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
599 ? curbuf->b_ml.ml_line_count + 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
600 : uep->ue_bot))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
601 : uep->ue_lcount != curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
602 || (uep->ue_size > 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
603 && top >= uep->ue_top
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
604 && top + 2 <= uep->ue_top + uep->ue_size + 1))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
605 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
606
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
607 /* If it's the same line we can skip saving it again. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
608 if (uep->ue_size == 1 && uep->ue_top == top)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
609 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
610 if (i > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
611 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
612 /* It's not the last entry: get ue_bot for the last
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
613 * entry now. Following deleted/inserted lines go to
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
614 * the re-used entry. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
615 u_getbot();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
616 curbuf->b_u_synced = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
617
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
618 /* Move the found entry to become the last entry. The
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
619 * order of undo/redo doesn't matter for the entries
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
620 * we move it over, since they don't change the line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
621 * count and don't include this line. It does matter
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
622 * for the found entry if the line count is changed by
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
623 * the executed command. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
624 prev_uep->ue_next = uep->ue_next;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
625 uep->ue_next = curbuf->b_u_newhead->uh_entry;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
626 curbuf->b_u_newhead->uh_entry = uep;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
627 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
628
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
629 /* The executed command may change the line count. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
630 if (newbot != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
631 uep->ue_bot = newbot;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
632 else if (bot > curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
633 uep->ue_bot = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
634 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
635 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
636 uep->ue_lcount = curbuf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
637 curbuf->b_u_newhead->uh_getbot_entry = uep;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
638 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
639 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
640 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
641 prev_uep = uep;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
642 uep = uep->ue_next;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
643 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
644 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
645
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
646 /* find line number for ue_bot for previous u_save() */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
647 u_getbot();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
648 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
649
15868
7fad90423bd2 patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents: 15636
diff changeset
650 #if !defined(UNIX) && !defined(MSWIN)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
651 /*
8212
05b88224cea1 commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents: 8128
diff changeset
652 * With Amiga we can't handle big undo's, because
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
653 * then u_alloc_line would have to allocate a block larger than 32K
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
654 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
655 if (size >= 8000)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
656 goto nomem;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
657 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
658
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
659 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
660 * add lines in front of entry list
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
661 */
16825
ce04ebdf26b8 patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts
Bram Moolenaar <Bram@vim.org>
parents: 16768
diff changeset
662 uep = U_ALLOC_LINE(sizeof(u_entry_T));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
663 if (uep == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
664 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
665 vim_memset(uep, 0, sizeof(u_entry_T));
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
666 #ifdef U_DEBUG
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
667 uep->ue_magic = UE_MAGIC;
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
668 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
669
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
670 uep->ue_size = size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
671 uep->ue_top = top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
672 if (newbot != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
673 uep->ue_bot = newbot;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
674 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
675 * Use 0 for ue_bot if bot is below last line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
676 * Otherwise we have to compute ue_bot later.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
677 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
678 else if (bot > curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
679 uep->ue_bot = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
680 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
681 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
682 uep->ue_lcount = curbuf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
683 curbuf->b_u_newhead->uh_getbot_entry = uep;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
684 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
685
168
4d9eabb1396e updated for version 7.0051
vimboss
parents: 33
diff changeset
686 if (size > 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
687 {
16825
ce04ebdf26b8 patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts
Bram Moolenaar <Bram@vim.org>
parents: 16768
diff changeset
688 if ((uep->ue_array = U_ALLOC_LINE(sizeof(undoline_T) * size)) == NULL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
689 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
690 u_freeentry(uep, 0L);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
691 goto nomem;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
692 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
693 for (i = 0, lnum = top + 1; i < size; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
694 {
481
66080ac5dab7 updated for version 7.0130
vimboss
parents: 414
diff changeset
695 fast_breakcheck();
66080ac5dab7 updated for version 7.0130
vimboss
parents: 414
diff changeset
696 if (got_int)
66080ac5dab7 updated for version 7.0130
vimboss
parents: 414
diff changeset
697 {
66080ac5dab7 updated for version 7.0130
vimboss
parents: 414
diff changeset
698 u_freeentry(uep, i);
66080ac5dab7 updated for version 7.0130
vimboss
parents: 414
diff changeset
699 return FAIL;
66080ac5dab7 updated for version 7.0130
vimboss
parents: 414
diff changeset
700 }
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
701 if (u_save_line(&uep->ue_array[i], lnum++) == FAIL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
702 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
703 u_freeentry(uep, i);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
704 goto nomem;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
705 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
706 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
707 }
359
6c62b9b939bd updated for version 7.0093
vimboss
parents: 356
diff changeset
708 else
6c62b9b939bd updated for version 7.0093
vimboss
parents: 356
diff changeset
709 uep->ue_array = NULL;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
710 uep->ue_next = curbuf->b_u_newhead->uh_entry;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
711 curbuf->b_u_newhead->uh_entry = uep;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
712 curbuf->b_u_synced = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
713 undo_undoes = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
714
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
715 #ifdef U_DEBUG
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
716 u_check(FALSE);
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
717 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
718 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
719
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
720 nomem:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
721 msg_silent = 0; /* must display the prompt */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
722 if (ask_yesno((char_u *)_("No undo possible; continue anyway"), TRUE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
723 == 'y')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
724 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
725 undo_off = TRUE; /* will be reset when character typed */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
726 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
727 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
728 do_outofmem_msg((long_u)0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
729 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
730 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
731
2266
ae2e615a7320 Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents: 2262
diff changeset
732 #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
733
2231
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 "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
735 # 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
736 # 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
737 # 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
738 # 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
739 # 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
740 # 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
741 # 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
742
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
743 /* extra fields for header */
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
744 # 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
745
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
746 /* extra fields for uhp */
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
747 # 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
748
2229
d45902a5c61c Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents: 2223
diff changeset
749 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
750
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
751 /*
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
752 * 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
753 */
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
754 void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
755 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
756 {
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
757 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
758 linenr_T lnum;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
759 char_u *p;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
760
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
761 sha256_start(&ctx);
3194
972bd3fca556 updated for version 7.3.367
Bram Moolenaar <bram@vim.org>
parents: 2689
diff changeset
762 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
763 {
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
764 p = ml_get(lnum);
2217
120502692d82 Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents: 2215
diff changeset
765 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
766 }
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
767 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
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 /*
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
771 * 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
772 * 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
773 * 'undodir'.
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
774 * 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
775 * 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
776 */
2236
dc2e5ec0500d Added the undofile() function. Updated runtime files.
Bram Moolenaar <bram@vim.org>
parents: 2235
diff changeset
777 char_u *
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
778 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
779 {
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
780 char_u *dirp;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
781 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
782 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
783 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
784 int dir_len;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
785 char_u *p;
9387
f094d4085014 commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents: 8568
diff changeset
786 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
787 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
788 #ifdef HAVE_READLINK
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
789 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
790 #endif
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
791
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
792 if (ffname == NULL)
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
793 return NULL;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
794
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
795 #ifdef HAVE_READLINK
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
796 /* 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
797 * 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
798 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
799 ffname = fname_buf;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
800 #endif
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
801
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
802 /* 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
803 * 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
804 dirp = p_udir;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
805 while (*dirp != NUL)
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
806 {
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
807 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
808 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
809 {
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
810 /* 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
811 * "dir/name" -> "dir/.name.un~" */
2217
120502692d82 Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents: 2215
diff changeset
812 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
813 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
814 break;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
815 p = gettail(undo_file_name);
5704
47a673b20e49 updated for version 7.4.197
Bram Moolenaar <bram@vim.org>
parents: 5621
diff changeset
816 #ifdef VMS
47a673b20e49 updated for version 7.4.197
Bram Moolenaar <bram@vim.org>
parents: 5621
diff changeset
817 /* 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
818 * use "dir/name" -> "dir/_un_name" - add _un_
47a673b20e49 updated for version 7.4.197
Bram Moolenaar <bram@vim.org>
parents: 5621
diff changeset
819 * at the beginning to keep the extension */
47a673b20e49 updated for version 7.4.197
Bram Moolenaar <bram@vim.org>
parents: 5621
diff changeset
820 mch_memmove(p + 4, p, STRLEN(p) + 1);
47a673b20e49 updated for version 7.4.197
Bram Moolenaar <bram@vim.org>
parents: 5621
diff changeset
821 mch_memmove(p, "_un_", 4);
47a673b20e49 updated for version 7.4.197
Bram Moolenaar <bram@vim.org>
parents: 5621
diff changeset
822
47a673b20e49 updated for version 7.4.197
Bram Moolenaar <bram@vim.org>
parents: 5621
diff changeset
823 #else
47a673b20e49 updated for version 7.4.197
Bram Moolenaar <bram@vim.org>
parents: 5621
diff changeset
824 /* Use same directory as the ffname,
47a673b20e49 updated for version 7.4.197
Bram Moolenaar <bram@vim.org>
parents: 5621
diff changeset
825 * "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
826 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
827 *p = '.';
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
828 STRCAT(p, ".un~");
5704
47a673b20e49 updated for version 7.4.197
Bram Moolenaar <bram@vim.org>
parents: 5621
diff changeset
829 #endif
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
830 }
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
831 else
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
832 {
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
833 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
834 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
835 {
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
836 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
837 {
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
838 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
839 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
840 return NULL;
11127
506f5d8b7d8b patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents: 11121
diff changeset
841 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
842 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
843 *p = '%';
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
844 }
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
845 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
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
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
849 /* 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
850 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
851 || 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
852 break;
13244
ac42c4b11dbc patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents: 13138
diff changeset
853 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
854 }
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
855
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
856 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
857 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
858 }
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
859
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
860 static void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
861 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
862 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
863 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
864 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
865
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
866 static void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
867 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
868 {
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 *nuep;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
870 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
871
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
872 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
873 while (uep != NULL)
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
874 {
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
875 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
876 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
877 uep = nuep;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
878 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
879 vim_free(uhp);
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
880 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
881
2266
ae2e615a7320 Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents: 2262
diff changeset
882 /*
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
883 * 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
884 * Buffers and encrypts as needed.
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
885 * Returns OK or FAIL.
2266
ae2e615a7320 Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents: 2262
diff changeset
886 */
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
887 static int
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
888 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
889 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
890 #ifdef FEAT_CRYPT
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
891 if (bi->bi_buffer != NULL)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
892 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
893 size_t len_todo = len;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
894 char_u *p = ptr;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
895
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
896 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
897 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
898 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
899
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
900 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
901 len_todo -= n;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
902 p += n;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
903 bi->bi_used = CRYPT_BUF_SIZE;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
904 if (undo_flush(bi) == FAIL)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
905 return FAIL;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
906 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
907 if (len_todo > 0)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
908 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
909 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
910 bi->bi_used += len_todo;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
911 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
912 return OK;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
913 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
914 #endif
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
915 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
916 return FAIL;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
917 return OK;
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
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
920 #ifdef FEAT_CRYPT
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
921 static int
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
922 undo_flush(bufinfo_T *bi)
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
923 {
12216
e971ef6c0dee patch 8.0.0988: warning from Covscan about using NULL pointer
Christian Brabandt <cb@256bit.org>
parents: 11957
diff changeset
924 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
925 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
926 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
927 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
928 return FAIL;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
929 bi->bi_used = 0;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
930 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
931 return OK;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
932 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
933 #endif
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 /*
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
936 * 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
937 * Returns OK or FAIL.
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
938 */
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
939 static int
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
940 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
941 {
ae2e615a7320 Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents: 2262
diff changeset
942 #ifdef FEAT_CRYPT
ae2e615a7320 Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents: 2262
diff changeset
943 char_u *copy;
ae2e615a7320 Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents: 2262
diff changeset
944 char_u small_buf[100];
ae2e615a7320 Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents: 2262
diff changeset
945 size_t i;
ae2e615a7320 Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents: 2262
diff changeset
946
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
947 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
948 {
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
949 /* crypting every piece of text separately */
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
950 if (len < 100)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
951 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
952 else
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
953 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
954 copy = lalloc(len, FALSE);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
955 if (copy == NULL)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
956 return 0;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
957 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
958 crypt_encode(bi->bi_state, ptr, len, copy);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
959 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
960 if (copy != small_buf)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
961 vim_free(copy);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
962 return i == 1 ? OK : FAIL;
2266
ae2e615a7320 Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents: 2262
diff changeset
963 }
ae2e615a7320 Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents: 2262
diff changeset
964 #endif
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
965 return undo_write(bi, ptr, len);
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 /*
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
969 * Write a number, MSB first, in "len" bytes.
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
970 * Must match with undo_read_?c() functions.
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
971 * Returns OK or FAIL.
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
972 */
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
973 static int
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
974 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
975 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
976 char_u buf[8];
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
977 int i;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
978 int bufi = 0;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
979
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
980 for (i = len - 1; i >= 0; --i)
6132
0242c27e40e1 updated for version 7.4.404
Bram Moolenaar <bram@vim.org>
parents: 6128
diff changeset
981 buf[bufi++] = (char_u)(nr >> (i * 8));
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
982 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
983 }
ae2e615a7320 Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents: 2262
diff changeset
984
ae2e615a7320 Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents: 2262
diff changeset
985 /*
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
986 * 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
987 * 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
988 * pointers when reading. */
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
989 static void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
990 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
991 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
992 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
993 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
994
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
995 static int
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
996 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
997 {
ae2e615a7320 Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents: 2262
diff changeset
998 #ifdef FEAT_CRYPT
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
999 if (bi->bi_buffer != NULL)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1000 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1001 char_u buf[4];
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1002 int n;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1003
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1004 undo_read(bi, buf, (size_t)4);
6216
f1ba154c3a12 updated for version 7.4.443
Bram Moolenaar <bram@vim.org>
parents: 6132
diff changeset
1005 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
1006 return n;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1007 }
2266
ae2e615a7320 Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents: 2262
diff changeset
1008 #endif
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1009 return get4c(bi->bi_fp);
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
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1012 static int
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1013 undo_read_2c(bufinfo_T *bi)
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1014 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1015 #ifdef FEAT_CRYPT
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1016 if (bi->bi_buffer != NULL)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1017 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1018 char_u buf[2];
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1019 int n;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1020
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1021 undo_read(bi, buf, (size_t)2);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1022 n = (buf[0] << 8) + buf[1];
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1023 return n;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1024 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1025 #endif
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1026 return get2c(bi->bi_fp);
2266
ae2e615a7320 Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents: 2262
diff changeset
1027 }
ae2e615a7320 Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents: 2262
diff changeset
1028
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1029 static int
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1030 undo_read_byte(bufinfo_T *bi)
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1031 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1032 #ifdef FEAT_CRYPT
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1033 if (bi->bi_buffer != NULL)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1034 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1035 char_u buf[1];
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1036
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1037 undo_read(bi, buf, (size_t)1);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1038 return buf[0];
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1039 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1040 #endif
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1041 return getc(bi->bi_fp);
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
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1044 static time_t
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1045 undo_read_time(bufinfo_T *bi)
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1046 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1047 #ifdef FEAT_CRYPT
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1048 if (bi->bi_buffer != NULL)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1049 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1050 char_u buf[8];
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1051 time_t n = 0;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1052 int i;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1053
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1054 undo_read(bi, buf, (size_t)8);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1055 for (i = 0; i < 8; ++i)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1056 n = (n << 8) + buf[i];
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1057 return n;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1058 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1059 #endif
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1060 return get8ctime(bi->bi_fp);
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 /*
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1064 * Read "buffer[size]" from the undo file.
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1065 * Return OK or FAIL.
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1066 */
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1067 static int
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1068 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
1069 {
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
1070 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
1071
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1072 #ifdef FEAT_CRYPT
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1073 if (bi->bi_buffer != NULL)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1074 {
6132
0242c27e40e1 updated for version 7.4.404
Bram Moolenaar <bram@vim.org>
parents: 6128
diff changeset
1075 int size_todo = (int)size;
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1076 char_u *p = buffer;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1077
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1078 while (size_todo > 0)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1079 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1080 size_t n;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1081
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1082 if (bi->bi_used >= bi->bi_avail)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1083 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1084 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
1085 if (n == 0)
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1086 {
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
1087 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
1088 break;
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1089 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1090 bi->bi_avail = n;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1091 bi->bi_used = 0;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1092 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
1093 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1094 n = size_todo;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1095 if (n > bi->bi_avail - bi->bi_used)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1096 n = bi->bi_avail - bi->bi_used;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1097 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
1098 bi->bi_used += n;
6132
0242c27e40e1 updated for version 7.4.404
Bram Moolenaar <bram@vim.org>
parents: 6128
diff changeset
1099 size_todo -= (int)n;
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1100 p += n;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1101 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1102 }
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
1103 else
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1104 #endif
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1105 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
1106 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
1107
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 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
1109 /* 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
1110 * 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
1111 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
1112 return retval;
6122
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 /*
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1116 * 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
1117 * "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
1118 * Decrypt the bytes if needed.
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1119 * Append a NUL.
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1120 * 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
1121 */
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1122 static char_u *
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1123 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
1124 {
16764
ef00b6bc186b patch 8.1.1384: using "int" for alloc() often results in compiler warnings
Bram Moolenaar <Bram@vim.org>
parents: 16627
diff changeset
1125 char_u *ptr = alloc(len + 1);
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1126
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1127 if (ptr != NULL)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1128 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1129 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
1130 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1131 vim_free(ptr);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1132 return NULL;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1133 }
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
1134 // 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
1135 // 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
1136 ptr[len] = NUL;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1137 #ifdef FEAT_CRYPT
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1138 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
1139 crypt_decode_inplace(bi->bi_state, ptr, len);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1140 #endif
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1141 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1142 return ptr;
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 /*
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1146 * 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
1147 */
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1148 static int
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1149 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
1150 {
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
1151 long len;
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1152 buf_T *buf = bi->bi_buf;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1153 FILE *fp = bi->bi_fp;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1154 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
1155
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1156 /* 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
1157 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
1158 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
1159
732cb7b31956 Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents: 2238
diff changeset
1160 /* 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
1161 * 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
1162 #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
1163 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
1164 {
732cb7b31956 Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents: 2238
diff changeset
1165 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
1166 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
1167
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1168 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
1169 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
1170 buf->b_p_key, &header, &header_len);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1171 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
1172 return FAIL;
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
1173 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
1174 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
1175 if (len != 1)
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2266
diff changeset
1176 {
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1177 crypt_free_state(bi->bi_state);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1178 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
1179 return FAIL;
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2266
diff changeset
1180 }
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1181
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1182 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
1183 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1184 bi->bi_buffer = alloc(CRYPT_BUF_SIZE);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1185 if (bi->bi_buffer == NULL)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1186 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1187 crypt_free_state(bi->bi_state);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1188 bi->bi_state = NULL;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1189 return FAIL;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1190 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1191 bi->bi_used = 0;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1192 }
2239
732cb7b31956 Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents: 2238
diff changeset
1193 }
732cb7b31956 Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents: 2238
diff changeset
1194 else
732cb7b31956 Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents: 2238
diff changeset
1195 #endif
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1196 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
1197
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1198
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1199 /* 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
1200 * same when reading the buffer text. */
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1201 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
1202 return FAIL;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1203
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1204 /* buffer-specific data */
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1205 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
1206 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
1207 ? 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
1208 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
1209 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
1210 == FAIL)
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1211 return FAIL;
6122
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_lnum, 4);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1213 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
1214
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1215 /* Undo structures header data */
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1216 put_header_ptr(bi, buf->b_u_oldhead);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1217 put_header_ptr(bi, buf->b_u_newhead);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1218 put_header_ptr(bi, buf->b_u_curhead);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1219
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_numhead, 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_last, 4);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1222 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
1223 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
1224 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
1225
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
1226 /* Optional fields. */
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1227 undo_write_bytes(bi, 4, 1);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1228 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
1229 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
1230
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1231 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
1232
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1233 return OK;
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
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1236 static int
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1237 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
1238 {
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1239 int i;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1240 u_entry_T *uep;
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1241 char_u time_buf[8];
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1242
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1243 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
1244 return FAIL;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1245
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1246 put_header_ptr(bi, uhp->uh_next.ptr);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1247 put_header_ptr(bi, uhp->uh_prev.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_next.ptr);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1249 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
1250 undo_write_bytes(bi, uhp->uh_seq, 4);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1251 serialize_pos(bi, uhp->uh_cursor);
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_cursor_vcol, 4);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1253 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
1254 /* 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
1255 for (i = 0; i < NMARKS; ++i)
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1256 serialize_pos(bi, uhp->uh_namedm[i]);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1257 serialize_visualinfo(bi, &uhp->uh_visual);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1258 time_to_bytes(uhp->uh_time, time_buf);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1259 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
1260
2280
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
1261 /* Optional fields. */
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1262 undo_write_bytes(bi, 4, 1);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1263 undo_write_bytes(bi, UHP_SAVE_NR, 1);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1264 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
1265
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1266 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
1267
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1268 /* Write all the entries. */
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1269 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
1270 {
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1271 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
1272 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
1273 return FAIL;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1274 }
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1275 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
1276 return OK;
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
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1279 static u_header_T *
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1280 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
1281 {
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1282 u_header_T *uhp;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1283 int i;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1284 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
1285 int c;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1286 int error;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1287
16825
ce04ebdf26b8 patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts
Bram Moolenaar <Bram@vim.org>
parents: 16768
diff changeset
1288 uhp = U_ALLOC_LINE(sizeof(u_header_T));
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1289 if (uhp == NULL)
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1290 return NULL;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1291 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
1292 #ifdef U_DEBUG
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1293 uhp->uh_magic = UH_MAGIC;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1294 #endif
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1295 uhp->uh_next.seq = undo_read_4c(bi);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1296 uhp->uh_prev.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_next.seq = undo_read_4c(bi);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1298 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
1299 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
1300 if (uhp->uh_seq <= 0)
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1301 {
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1302 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
1303 vim_free(uhp);
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1304 return NULL;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1305 }
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1306 unserialize_pos(bi, &uhp->uh_cursor);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1307 uhp->uh_cursor_vcol = undo_read_4c(bi);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1308 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
1309 for (i = 0; i < NMARKS; ++i)
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1310 unserialize_pos(bi, &uhp->uh_namedm[i]);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1311 unserialize_visualinfo(bi, &uhp->uh_visual);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1312 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
1313
2280
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
1314 /* Optional fields. */
2342
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1315 for (;;)
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1316 {
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1317 int len = undo_read_byte(bi);
2342
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1318 int what;
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1319
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1320 if (len == 0)
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1321 break;
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1322 what = undo_read_byte(bi);
2342
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1323 switch (what)
2280
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
1324 {
2342
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1325 case UHP_SAVE_NR:
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1326 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
1327 break;
2342
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1328 default:
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1329 /* field not supported, skip */
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1330 while (--len >= 0)
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1331 (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
1332 }
2342
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1333 }
2280
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
1334
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1335 /* Unserialize the uep list. */
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1336 last_uep = NULL;
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1337 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
1338 {
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1339 error = FALSE;
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1340 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
1341 if (last_uep == NULL)
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1342 uhp->uh_entry = uep;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1343 else
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1344 last_uep->ue_next = uep;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1345 last_uep = uep;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1346 if (uep == NULL || error)
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1347 {
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1348 u_free_uhp(uhp);
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1349 return NULL;
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 }
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1352 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
1353 {
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1354 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
1355 u_free_uhp(uhp);
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1356 return NULL;
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
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1359 return uhp;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1360 }
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1361
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1362 /*
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1363 * Serialize "uep".
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1364 */
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1365 static int
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1366 serialize_uep(
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1367 bufinfo_T *bi,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1368 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
1369 {
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1370 int i;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1371 size_t len;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1372
6122
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_top, 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_bot, 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_lcount, 4);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1376 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
1377 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
1378 {
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
1379 // 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
1380 // 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
1381 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
1382 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
1383 return FAIL;
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
1384 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
1385 return FAIL;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1386 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1387 return OK;
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
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1390 static u_entry_T *
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1391 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
1392 {
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1393 int i;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1394 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
1395 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
1396 char_u *line;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1397 int line_len;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1398
16825
ce04ebdf26b8 patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts
Bram Moolenaar <Bram@vim.org>
parents: 16768
diff changeset
1399 uep = U_ALLOC_LINE(sizeof(u_entry_T));
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1400 if (uep == NULL)
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1401 return NULL;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1402 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
1403 #ifdef U_DEBUG
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1404 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
1405 #endif
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1406 uep->ue_top = undo_read_4c(bi);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1407 uep->ue_bot = undo_read_4c(bi);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1408 uep->ue_lcount = undo_read_4c(bi);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1409 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
1410 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
1411 {
10978
f3d64d9e5d76 patch 8.0.0378: possible overflow when reading corrupted undo file
Christian Brabandt <cb@256bit.org>
parents: 10976
diff changeset
1412 if (uep->ue_size < LONG_MAX / (int)sizeof(char_u *))
16825
ce04ebdf26b8 patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts
Bram Moolenaar <Bram@vim.org>
parents: 16768
diff changeset
1413 array = 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
1414 if (array == NULL)
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1415 {
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1416 *error = TRUE;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1417 return uep;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1418 }
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
1419 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
1420 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1421 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
1422
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1423 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
1424 {
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1425 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
1426 if (line_len >= 0)
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1427 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
1428 else
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1429 {
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1430 line = NULL;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1431 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
1432 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1433 if (line == NULL)
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1434 {
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1435 *error = TRUE;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1436 return uep;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1437 }
15361
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_line = line;
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
1439 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
1440 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1441 return uep;
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
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1444 /*
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1445 * Serialize "pos".
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1446 */
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1447 static void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1448 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
1449 {
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1450 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
1451 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
1452 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
1453 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1454
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1455 /*
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1456 * 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
1457 */
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1458 static void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1459 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
1460 {
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1461 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
1462 if (pos->lnum < 0)
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1463 pos->lnum = 0;
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1464 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
1465 if (pos->col < 0)
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1466 pos->col = 0;
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1467 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
1468 if (pos->coladd < 0)
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1469 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
1470 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1471
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1472 /*
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1473 * Serialize "info".
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1474 */
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1475 static void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1476 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
1477 {
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1478 serialize_pos(bi, info->vi_start);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1479 serialize_pos(bi, info->vi_end);
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_mode, 4);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1481 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
1482 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1483
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1484 /*
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1485 * 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
1486 */
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1487 static void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1488 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
1489 {
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1490 unserialize_pos(bi, &info->vi_start);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1491 unserialize_pos(bi, &info->vi_end);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1492 info->vi_mode = undo_read_4c(bi);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1493 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
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 /*
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1497 * 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
1498 * 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
1499 * 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
1500 * "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
1501 * permissions.
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1502 * "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
1503 * "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
1504 */
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1505 void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1506 u_write_undo(
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1507 char_u *name,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1508 int forceit,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1509 buf_T *buf,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1510 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
1511 {
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1512 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
1513 char_u *file_name;
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1514 int mark;
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1515 #ifdef U_DEBUG
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1516 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
1517 #endif
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1518 int fd;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1519 FILE *fp = NULL;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1520 int perm;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1521 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
1522 #ifdef UNIX
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1523 int st_old_valid = FALSE;
9387
f094d4085014 commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents: 8568
diff changeset
1524 stat_T st_old;
f094d4085014 commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents: 8568
diff changeset
1525 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
1526 #endif
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1527 bufinfo_T bi;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1528
6128
3aa37ad2c4ed updated for version 7.4.402
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
1529 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
1530
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1531 if (name == NULL)
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1532 {
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1533 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
1534 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
1535 {
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1536 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
1537 {
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1538 verbose_enter();
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
1539 smsg(
2235
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1540 _("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
1541 verbose_leave();
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1542 }
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1543 return;
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 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1546 else
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1547 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
1548
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1549 /*
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1550 * 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
1551 * 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
1552 * 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
1553 */
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1554 perm = 0600;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1555 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
1556 {
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1557 #ifdef UNIX
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1558 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
1559 {
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1560 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
1561 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
1562 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1563 #else
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1564 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
1565 if (perm < 0)
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1566 perm = 0600;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1567 #endif
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1568 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1569
6771
63b2bc619d5a patch 7.4.707
Bram Moolenaar <bram@vim.org>
parents: 6616
diff changeset
1570 /* strip any s-bit and executable bit */
63b2bc619d5a patch 7.4.707
Bram Moolenaar <bram@vim.org>
parents: 6616
diff changeset
1571 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
1572
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1573 /* 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
1574 * 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
1575 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
1576 {
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1577 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
1578 {
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1579 /* 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
1580 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
1581 if (fd < 0)
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1582 {
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1583 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
1584 {
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1585 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
1586 verbose_enter();
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
1587 smsg(
2235
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1588 _("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
1589 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
1590 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
1591 verbose_leave();
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1592 }
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1593 goto theend;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1594 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1595 else
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1596 {
2271
2b33a7678e7b Fix compiler warnings for shadowed variables. Make 'conceal' a long instead
Bram Moolenaar <bram@vim.org>
parents: 2267
diff changeset
1597 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
1598 int len;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1599
2664
033e7b49356c updated for version 7.3.083
Bram Moolenaar <bram@vim.org>
parents: 2627
diff changeset
1600 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
1601 close(fd);
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1602 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
1603 || 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
1604 {
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1605 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
1606 {
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1607 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
1608 verbose_enter();
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
1609 smsg(
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1610 _("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
1611 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
1612 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
1613 verbose_leave();
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1614 }
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1615 goto theend;
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 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1619 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
1620 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1621
2235
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1622 /* 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
1623 * 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
1624 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
1625 {
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1626 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
1627 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
1628 goto theend;
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1629 }
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1630
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1631 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
1632 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
1633 if (fd < 0)
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1634 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
1635 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
1636 goto theend;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1637 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1638 (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
1639 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
1640 {
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1641 verbose_enter();
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
1642 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
1643 verbose_leave();
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1644 }
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1645
2233
43cad213cb7f A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents: 2232
diff changeset
1646 #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
1647 /* 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
1648 u_check(FALSE);
43cad213cb7f A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents: 2232
diff changeset
1649 #endif
43cad213cb7f A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents: 2232
diff changeset
1650
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1651 #ifdef UNIX
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1652 /*
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1653 * 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
1654 * 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
1655 * 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
1656 */
2367
76b7ba68a098 Fix build problem when fchown() not available. (Gary Johnson)
Bram Moolenaar <bram@vim.org>
parents: 2348
diff changeset
1657 if (st_old_valid
76b7ba68a098 Fix build problem when fchown() not available. (Gary Johnson)
Bram Moolenaar <bram@vim.org>
parents: 2348
diff changeset
1658 && 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
1659 && 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
1660 # 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
1661 && 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
1662 # endif
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1663 )
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1664 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
1665 # 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
1666 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
1667 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
1668 # endif
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1669 #endif
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1670
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1671 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
1672 if (fp == NULL)
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1673 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
1674 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
1675 close(fd);
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1676 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
1677 goto theend;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1678 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1679
2233
43cad213cb7f A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents: 2232
diff changeset
1680 /* Undo must be synced. */
43cad213cb7f A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents: 2232
diff changeset
1681 u_sync(TRUE);
43cad213cb7f A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents: 2232
diff changeset
1682
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1683 /*
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1684 * 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
1685 */
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1686 bi.bi_buf = buf;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1687 bi.bi_fp = fp;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1688 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
1689 goto write_error;
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 /*
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1692 * 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
1693 */
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1694 mark = ++lastmark;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1695 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
1696 while (uhp != NULL)
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1697 {
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1698 /* 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
1699 if (uhp->uh_walk != mark)
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1700 {
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1701 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
1702 #ifdef U_DEBUG
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1703 ++headers_written;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1704 #endif
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1705 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
1706 goto write_error;
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1707 }
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1708
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1709 /* 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
1710 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
1711 uhp = uhp->uh_prev.ptr;
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1712 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
1713 && 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
1714 uhp = uhp->uh_alt_next.ptr;
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1715 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
1716 && uhp->uh_next.ptr->uh_walk != mark)
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1717 uhp = uhp->uh_next.ptr;
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1718 else if (uhp->uh_alt_prev.ptr != NULL)
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1719 uhp = uhp->uh_alt_prev.ptr;
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1720 else
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1721 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
1722 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1723
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1724 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
1725 write_ok = TRUE;
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1726 #ifdef U_DEBUG
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1727 if (headers_written != buf->b_u_numhead)
4827
60301d4d1682 updated for version 7.3.1160
Bram Moolenaar <bram@vim.org>
parents: 4303
diff changeset
1728 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
1729 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
1730 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
1731 }
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1732 #endif
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1733
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1734 #ifdef FEAT_CRYPT
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1735 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
1736 write_ok = FALSE;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1737 #endif
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1738
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1739 write_error:
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1740 fclose(fp);
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1741 if (!write_ok)
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
1742 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
1743
15868
7fad90423bd2 patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents: 15636
diff changeset
1744 #if defined(MSWIN)
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1745 /* 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
1746 * 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
1747 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
1748 (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
1749 #endif
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1750 #ifdef HAVE_ACL
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1751 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
1752 {
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1753 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
1754
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1755 /* 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
1756 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
1757 mch_set_acl(file_name, acl);
3545
74d51b51f3e6 updated for version 7.3.533
Bram Moolenaar <bram@vim.org>
parents: 3194
diff changeset
1758 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
1759 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1760 #endif
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1761
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1762 theend:
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2266
diff changeset
1763 #ifdef FEAT_CRYPT
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1764 if (bi.bi_state != NULL)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1765 crypt_free_state(bi.bi_state);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1766 vim_free(bi.bi_buffer);
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2266
diff changeset
1767 #endif
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1768 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
1769 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
1770 }
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1771
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1772 /*
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1773 * 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
1774 * 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
1775 * 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
1776 * 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
1777 * "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
1778 */
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1779 void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1780 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
1781 {
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1782 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
1783 FILE *fp;
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1784 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
1785 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
1786 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
1787 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
1788 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
1789 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
1790 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
1791 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
1792 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
1793 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
1794 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
1795 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
1796 int i, j;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1797 int c;
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;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1799 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
1800 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
1801 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
1802 #ifdef U_DEBUG
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1803 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
1804 #endif
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1805 #ifdef UNIX
9387
f094d4085014 commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents: 8568
diff changeset
1806 stat_T st_orig;
f094d4085014 commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents: 8568
diff changeset
1807 stat_T st_undo;
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1808 #endif
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1809 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
1810
6128
3aa37ad2c4ed updated for version 7.4.402
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
1811 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
1812 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
1813 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
1814
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1815 if (name == NULL)
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1816 {
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1817 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
1818 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
1819 return;
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1820
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1821 #ifdef UNIX
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1822 /* 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
1823 * 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
1824 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
1825 && 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
1826 && st_orig.st_uid != st_undo.st_uid
00d61a47df66 updated for version 7.4.024
Bram Moolenaar <bram@vim.org>
parents: 4827
diff changeset
1827 && 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
1828 {
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1829 if (p_verbose > 0)
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1830 {
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1831 verbose_enter();
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
1832 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
1833 file_name);
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1834 verbose_leave();
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1835 }
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1836 return;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1837 }
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1838 #endif
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1839 }
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1840 else
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1841 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
1842
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1843 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
1844 {
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1845 verbose_enter();
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
1846 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
1847 verbose_leave();
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1848 }
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1849
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1850 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
1851 if (fp == NULL)
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1852 {
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1853 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
1854 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
1855 goto error;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1856 }
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1857 bi.bi_buf = curbuf;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1858 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
1859
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1860 /*
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1861 * 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
1862 */
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1863 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
1864 || 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
1865 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
1866 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
1867 goto error;
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1868 }
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1869 version = get2c(fp);
2342
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1870 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
1871 {
732cb7b31956 Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents: 2238
diff changeset
1872 #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
1873 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
1874 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
1875 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
1876 file_name);
646d34788036 Fix a few compiler warnings. Fix crash with encrypted undo file.
Bram Moolenaar <bram@vim.org>
parents: 2245
diff changeset
1877 goto error;
646d34788036 Fix a few compiler warnings. Fix crash with encrypted undo file.
Bram Moolenaar <bram@vim.org>
parents: 2245
diff changeset
1878 }
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1879 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
1880 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
1881 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
1882 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
1883 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
1884 }
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1885 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
1886 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1887 bi.bi_buffer = alloc(CRYPT_BUF_SIZE);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1888 if (bi.bi_buffer == NULL)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1889 {
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1890 crypt_free_state(bi.bi_state);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1891 bi.bi_state = NULL;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1892 goto error;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1893 }
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1894 bi.bi_avail = 0;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1895 bi.bi_used = 0;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1896 }
2239
732cb7b31956 Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents: 2238
diff changeset
1897 #else
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
1898 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
1899 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
1900 #endif
732cb7b31956 Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents: 2238
diff changeset
1901 }
2342
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1902 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
1903 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
1904 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
1905 goto error;
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1906 }
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1907
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1908 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
1909 {
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
1910 corruption_error("hash", file_name);
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1911 goto error;
2229
d45902a5c61c Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents: 2223
diff changeset
1912 }
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1913 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
1914 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
1915 || 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
1916 {
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1917 if (p_verbose > 0 || name != NULL)
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1918 {
2235
4ba83ae8d505 Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents: 2234
diff changeset
1919 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
1920 verbose_enter();
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1921 give_warning((char_u *)
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1922 _("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
1923 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
1924 verbose_leave();
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1925 }
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1926 goto error;
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1927 }
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1928
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1929 /* Read undo data for "U" command. */
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1930 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
1931 if (str_len < 0)
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
1932 goto error;
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1933 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
1934 {
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_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
1936 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
1937 }
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1938 line_lnum = (linenr_T)undo_read_4c(&bi);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1939 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
1940 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
1941 {
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1942 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
1943 goto error;
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
1944 }
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1945
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1946 /* Begin general undo data */
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1947 old_header_seq = undo_read_4c(&bi);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1948 new_header_seq = undo_read_4c(&bi);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1949 cur_header_seq = undo_read_4c(&bi);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1950 num_head = undo_read_4c(&bi);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1951 seq_last = undo_read_4c(&bi);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1952 seq_cur = undo_read_4c(&bi);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1953 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
1954
2342
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1955 /* Optional header fields. */
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1956 for (;;)
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1957 {
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1958 int len = undo_read_byte(&bi);
2342
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1959 int what;
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1960
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1961 if (len == 0 || len == EOF)
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1962 break;
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1963 what = undo_read_byte(&bi);
2342
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1964 switch (what)
2280
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
1965 {
2342
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1966 case UF_LAST_SAVE_NR:
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1967 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
1968 break;
2342
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1969 default:
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1970 /* field not supported, skip */
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1971 while (--len >= 0)
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
1972 (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
1973 }
2342
f6540762173d Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents: 2311
diff changeset
1974 }
2280
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
1975
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
1976 /* 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
1977 * 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
1978 * 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
1979 * 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
1980 if (num_head > 0)
290ee42cae85 Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents: 2229
diff changeset
1981 {
10976
f97a72ad8ffa patch 8.0.0377: possible overflow when reading corrupted undo file
Christian Brabandt <cb@256bit.org>
parents: 10631
diff changeset
1982 if (num_head < LONG_MAX / (long)sizeof(u_header_T *))
16825
ce04ebdf26b8 patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts
Bram Moolenaar <Bram@vim.org>
parents: 16768
diff changeset
1983 uhp_table = U_ALLOC_LINE(num_head * sizeof(u_header_T *));
2230
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
16825
ce04ebdf26b8 patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts
Bram Moolenaar <Bram@vim.org>
parents: 16768
diff changeset
2014 uhp_table_used = alloc_clear(sizeof(int) * num_head + 1);
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2015 # 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
2016 #else
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2017 # 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
2018 #endif
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2019
2238
3d0a7beb0d75 Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents: 2236
diff changeset
2020 /* 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
2021 * 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
2022 * 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
2023 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
2024 {
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2025 uhp = uhp_table[i];
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2026 if (uhp == NULL)
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2027 continue;
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2028 for (j = 0; j < num_head; j++)
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2029 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
2030 && 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
2031 {
2233
43cad213cb7f A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents: 2232
diff changeset
2032 corruption_error("duplicate uh_seq", file_name);
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2033 goto error;
2233
43cad213cb7f A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents: 2232
diff changeset
2034 }
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2035 for (j = 0; j < num_head; j++)
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2036 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
2037 && 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
2038 {
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2039 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
2040 SET_FLAG(j);
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2041 break;
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2042 }
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2043 for (j = 0; j < num_head; j++)
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2044 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
2045 && 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
2046 {
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2047 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
2048 SET_FLAG(j);
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2049 break;
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2050 }
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2051 for (j = 0; j < num_head; j++)
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2052 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
2053 && 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
2054 {
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2055 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
2056 SET_FLAG(j);
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2057 break;
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2058 }
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2059 for (j = 0; j < num_head; j++)
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2060 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
2061 && 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
2062 {
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2063 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
2064 SET_FLAG(j);
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2065 break;
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2066 }
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2067 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
2068 {
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2069 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
2070 SET_FLAG(i);
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2071 }
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2072 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
2073 {
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2074 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
2075 SET_FLAG(i);
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2076 }
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2077 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
2078 {
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2079 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
2080 SET_FLAG(i);
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2081 }
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2082 }
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2083
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2084 /* 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
2085 * 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
2086 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
2087 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
2088 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
2089 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
2090 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
2091 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
2092 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
2093 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
2094 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
2095 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
2096 curbuf->b_u_time_cur = seq_time;
2281
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2097 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
2098 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
2099
43cad213cb7f A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents: 2232
diff changeset
2100 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
2101 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
2102
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2103 #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
2104 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
2105 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
2106 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
2107 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
2108 u_check(TRUE);
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2109 #endif
2231
aa6412cab544 Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents: 2230
diff changeset
2110
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2111 if (name != NULL)
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
2112 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
2113 goto theend;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2114
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2115 error:
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
2116 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
2117 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
2118 {
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2119 for (i = 0; i < num_read_uhps; i++)
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2120 if (uhp_table[i] != NULL)
2223
81b83a19e127 More strict checks for the undo file.
Bram Moolenaar <bram@vim.org>
parents: 2222
diff changeset
2121 u_free_uhp(uhp_table[i]);
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2122 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
2123 }
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 theend:
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2266
diff changeset
2126 #ifdef FEAT_CRYPT
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
2127 if (bi.bi_state != NULL)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
2128 crypt_free_state(bi.bi_state);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5788
diff changeset
2129 vim_free(bi.bi_buffer);
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2266
diff changeset
2130 #endif
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2131 if (fp != NULL)
2311
ccda151dde4e Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents: 2289
diff changeset
2132 fclose(fp);
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2133 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
2134 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
2135 return;
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2136 }
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 #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
2139
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2140
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2141 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2142 * If 'cpoptions' contains 'u': Undo the previous undo or redo (vi compatible).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2143 * If 'cpoptions' does not contain 'u': Always undo.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2144 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2145 void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2146 u_undo(int count)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2147 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2148 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2149 * If we get an undo command while executing a macro, we behave like the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2150 * original vi. If this happens twice in one macro the result will not
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2151 * be compatible.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2152 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2153 if (curbuf->b_u_synced == FALSE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2154 {
825
6675076019ae updated for version 7.0d
vimboss
parents: 810
diff changeset
2155 u_sync(TRUE);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2156 count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2157 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2158
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2159 if (vim_strchr(p_cpo, CPO_UNDO) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2160 undo_undoes = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2161 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2162 undo_undoes = !undo_undoes;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2163 u_doit(count);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2164 }
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 * If 'cpoptions' contains 'u': Repeat the previous undo or redo.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2168 * If 'cpoptions' does not contain 'u': Always redo.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2169 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2170 void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2171 u_redo(int count)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2172 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2173 if (vim_strchr(p_cpo, CPO_UNDO) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2174 undo_undoes = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2175 u_doit(count);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2176 }
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 * Undo or redo, depending on 'undo_undoes', 'count' times.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2180 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2181 static void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2182 u_doit(int startcount)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2183 {
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2184 int count = startcount;
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2185
632
b6632d553df3 updated for version 7.0182
vimboss
parents: 481
diff changeset
2186 if (!undo_allowed())
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2187 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2188
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2189 u_newcount = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2190 u_oldcount = 0;
179
7fd70926e2e1 updated for version 7.0055
vimboss
parents: 168
diff changeset
2191 if (curbuf->b_ml.ml_flags & ML_EMPTY)
7fd70926e2e1 updated for version 7.0055
vimboss
parents: 168
diff changeset
2192 u_oldcount = -1;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2193 while (count--)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2194 {
2189
cb94c42c0e1a updated for version 7.2.445
Bram Moolenaar <bram@vim.org>
parents: 2181
diff changeset
2195 /* 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
2196 * 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
2197 * 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
2198 * and more. */
cb94c42c0e1a updated for version 7.2.445
Bram Moolenaar <bram@vim.org>
parents: 2181
diff changeset
2199 change_warning(0);
cb94c42c0e1a updated for version 7.2.445
Bram Moolenaar <bram@vim.org>
parents: 2181
diff changeset
2200
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2201 if (undo_undoes)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2202 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2203 if (curbuf->b_u_curhead == NULL) /* first undo */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2204 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
2205 else if (get_undolevel() > 0) /* multi level undo */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2206 /* get next undo */
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2207 curbuf->b_u_curhead = curbuf->b_u_curhead->uh_next.ptr;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2208 /* nothing to undo */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2209 if (curbuf->b_u_numhead == 0 || curbuf->b_u_curhead == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2210 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2211 /* stick curbuf->b_u_curhead at end */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2212 curbuf->b_u_curhead = curbuf->b_u_oldhead;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2213 beep_flush();
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2214 if (count == startcount - 1)
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2215 {
15543
dd725a8ab112 patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents: 15470
diff changeset
2216 msg(_("Already at oldest change"));
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2217 return;
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2218 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2219 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2220 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2221
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2222 u_undoredo(TRUE);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2223 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2224 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2225 {
5446
d0595545e98a updated for version 7.4.073
Bram Moolenaar <bram@vim.org>
parents: 5343
diff changeset
2226 if (curbuf->b_u_curhead == NULL || get_undolevel() <= 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2227 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2228 beep_flush(); /* nothing to redo */
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2229 if (count == startcount - 1)
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2230 {
15543
dd725a8ab112 patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents: 15470
diff changeset
2231 msg(_("Already at newest change"));
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2232 return;
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2233 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2234 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2235 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2236
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2237 u_undoredo(FALSE);
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2238
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2239 /* Advance for next redo. Set "newhead" when at the end of the
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2240 * redoable changes. */
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2241 if (curbuf->b_u_curhead->uh_prev.ptr == NULL)
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2242 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
2243 curbuf->b_u_curhead = curbuf->b_u_curhead->uh_prev.ptr;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2244 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2245 }
798
95dac6af3b3a updated for version 7.0232
vimboss
parents: 794
diff changeset
2246 u_undo_end(undo_undoes, FALSE);
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2247 }
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 * Undo or redo over the timeline.
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2251 * 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
2252 * 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
2253 * seconds.
2281
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2254 * When "file" is TRUE use "step" as a number of file writes.
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2255 * When "absolute" is TRUE use "step" as the sequence number to jump to.
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2256 * "sec" must be FALSE then.
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2257 */
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2258 void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2259 undo_time(
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2260 long step,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2261 int sec,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2262 int file,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2263 int absolute)
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2264 {
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2265 long target;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2266 long closest;
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2267 long closest_start;
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2268 long closest_seq = 0;
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2269 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
2270 u_header_T *uhp = NULL;
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2271 u_header_T *last;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2272 int mark;
16405
840fa633ad64 patch 8.1.1207: some compilers give warning messages
Bram Moolenaar <Bram@vim.org>
parents: 16097
diff changeset
2273 int nomark = 0; // shut up compiler
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2274 int round;
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2275 int dosec = sec;
2281
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2276 int dofile = file;
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2277 int above = FALSE;
794
f19994020dad updated for version 7.0231
vimboss
parents: 777
diff changeset
2278 int did_undo = TRUE;
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2279
766
f0d0d3d3a1e2 updated for version 7.0225
vimboss
parents: 758
diff changeset
2280 /* First make sure the current undoable change is synced. */
f0d0d3d3a1e2 updated for version 7.0225
vimboss
parents: 758
diff changeset
2281 if (curbuf->b_u_synced == FALSE)
825
6675076019ae updated for version 7.0d
vimboss
parents: 810
diff changeset
2282 u_sync(TRUE);
766
f0d0d3d3a1e2 updated for version 7.0225
vimboss
parents: 758
diff changeset
2283
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2284 u_newcount = 0;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2285 u_oldcount = 0;
179
7fd70926e2e1 updated for version 7.0055
vimboss
parents: 168
diff changeset
2286 if (curbuf->b_ml.ml_flags & ML_EMPTY)
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2287 u_oldcount = -1;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2288
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2289 /* "target" is the node below which we want to be.
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2290 * Init "closest" to a value we can't reach. */
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2291 if (absolute)
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2292 {
13134
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2293 target = step;
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2294 closest = -1;
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2295 }
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2296 else
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2297 {
2281
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2298 if (dosec)
10518
de77fa909414 commit https://github.com/vim/vim/commit/cbd4de44e8d08fba3c09eb40ad6e36e83faf020a
Christian Brabandt <cb@256bit.org>
parents: 10359
diff changeset
2299 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
2300 else if (dofile)
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2301 {
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2302 if (step < 0)
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2303 {
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2304 /* 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
2305 * 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
2306 * 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
2307 uhp = curbuf->b_u_curhead;
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2308 if (uhp != NULL)
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2309 uhp = uhp->uh_next.ptr;
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2310 else
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2311 uhp = curbuf->b_u_newhead;
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2312 if (uhp != NULL && uhp->uh_save_nr != 0)
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2313 /* "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
2314 * there were no changes since the last write */
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2315 target = curbuf->b_u_save_nr_cur + step;
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2316 else
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2317 /* 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
2318 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
2319 if (target <= 0)
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2320 /* 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
2321 * the sequence number for that. */
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2322 dofile = FALSE;
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2323 }
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2324 else
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2325 {
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2326 /* Moving forward to a newer write. */
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2327 target = curbuf->b_u_save_nr_cur + step;
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2328 if (target > curbuf->b_u_save_nr_last)
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2329 {
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2330 /* 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
2331 * the sequence number for that. */
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2332 target = curbuf->b_u_seq_last + 1;
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2333 dofile = FALSE;
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2334 }
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 }
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2337 else
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2338 target = curbuf->b_u_seq_cur + step;
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2339 if (step < 0)
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2340 {
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2341 if (target < 0)
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2342 target = 0;
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2343 closest = -1;
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2344 }
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2345 else
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2346 {
2281
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2347 if (dosec)
10518
de77fa909414 commit https://github.com/vim/vim/commit/cbd4de44e8d08fba3c09eb40ad6e36e83faf020a
Christian Brabandt <cb@256bit.org>
parents: 10359
diff changeset
2348 closest = (long)(vim_time() + 1);
2281
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2349 else if (dofile)
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2350 closest = curbuf->b_u_save_nr_last + 2;
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2351 else
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2352 closest = curbuf->b_u_seq_last + 2;
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2353 if (target >= closest)
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2354 target = closest - 1;
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2355 }
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2356 }
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2357 closest_start = closest;
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2358 closest_seq = curbuf->b_u_seq_cur;
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2359
13134
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2360 /* 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
2361 if (target == 0)
13138
0f906f414c69 patch 8.0.1443: compiler complains about uninitialized variable
Christian Brabandt <cb@256bit.org>
parents: 13134
diff changeset
2362 {
0f906f414c69 patch 8.0.1443: compiler complains about uninitialized variable
Christian Brabandt <cb@256bit.org>
parents: 13134
diff changeset
2363 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
2364 goto target_zero;
0f906f414c69 patch 8.0.1443: compiler complains about uninitialized variable
Christian Brabandt <cb@256bit.org>
parents: 13134
diff changeset
2365 }
13134
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2366
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2367 /*
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2368 * May do this twice:
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2369 * 1. Search for "target", update "closest" to the best match found.
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2370 * 2. If "target" not found search for "closest".
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2371 *
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2372 * When using the closest time we use the sequence number in the second
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2373 * round, because there may be several entries with the same time.
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2374 */
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2375 for (round = 1; round <= 2; ++round)
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2376 {
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2377 /* 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
2378 * 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
2379 * it. We put "nomark" in uh_walk where we have been without success,
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2380 * "mark" where it could possibly be. */
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2381 mark = ++lastmark;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2382 nomark = ++lastmark;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2383
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2384 if (curbuf->b_u_curhead == NULL) /* at leaf of the tree */
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2385 uhp = curbuf->b_u_newhead;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2386 else
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2387 uhp = curbuf->b_u_curhead;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2388
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2389 while (uhp != NULL)
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2390 {
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2391 uhp->uh_walk = mark;
2281
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2392 if (dosec)
10518
de77fa909414 commit https://github.com/vim/vim/commit/cbd4de44e8d08fba3c09eb40ad6e36e83faf020a
Christian Brabandt <cb@256bit.org>
parents: 10359
diff changeset
2393 val = (long)(uhp->uh_time);
2281
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2394 else if (dofile)
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2395 val = uhp->uh_save_nr;
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2396 else
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2397 val = uhp->uh_seq;
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2398
2281
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2399 if (round == 1 && !(dofile && val == 0))
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2400 {
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2401 /* Remember the header that is closest to the target.
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2402 * It must be at least in the right direction (checked with
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2403 * "b_u_seq_cur"). When the timestamp is equal find the
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2404 * highest/lowest sequence number. */
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2405 if ((step < 0 ? uhp->uh_seq <= curbuf->b_u_seq_cur
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2406 : uhp->uh_seq > curbuf->b_u_seq_cur)
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2407 && ((dosec && val == closest)
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2408 ? (step < 0
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2409 ? uhp->uh_seq < closest_seq
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 : closest == closest_start
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2412 || (val > target
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2413 ? (closest > target
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2414 ? val - target <= closest - target
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2415 : val - target <= target - closest)
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2416 : (closest > target
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2417 ? target - val <= closest - target
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2418 : target - val <= target - closest))))
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2419 {
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2420 closest = val;
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2421 closest_seq = uhp->uh_seq;
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2422 }
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 /* Quit searching when we found a match. But when searching for a
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2426 * time we need to continue looking for the best uh_seq. */
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2427 if (target == val && !dosec)
2281
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2428 {
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2429 target = uhp->uh_seq;
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2430 break;
2281
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2431 }
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2432
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2433 /* 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
2434 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
2435 && 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
2436 uhp = uhp->uh_prev.ptr;
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2437
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2438 /* 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
2439 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
2440 && 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
2441 && 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
2442 uhp = uhp->uh_alt_next.ptr;
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2443
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2444 /* 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
2445 * 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
2446 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
2447 && 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
2448 && uhp->uh_next.ptr->uh_walk != mark)
798
95dac6af3b3a updated for version 7.0232
vimboss
parents: 794
diff changeset
2449 {
95dac6af3b3a updated for version 7.0232
vimboss
parents: 794
diff changeset
2450 /* If still at the start we don't go through this change. */
95dac6af3b3a updated for version 7.0232
vimboss
parents: 794
diff changeset
2451 if (uhp == curbuf->b_u_curhead)
95dac6af3b3a updated for version 7.0232
vimboss
parents: 794
diff changeset
2452 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
2453 uhp = uhp->uh_next.ptr;
798
95dac6af3b3a updated for version 7.0232
vimboss
parents: 794
diff changeset
2454 }
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2455
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2456 else
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2457 {
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2458 /* need to backtrack; mark this node as useless */
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2459 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
2460 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
2461 uhp = uhp->uh_alt_prev.ptr;
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2462 else
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2463 uhp = uhp->uh_next.ptr;
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2464 }
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 if (uhp != NULL) /* found it */
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2468 break;
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2469
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2470 if (absolute)
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2471 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
2472 semsg(_("E830: Undo number %ld not found"), step);
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2473 return;
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2474 }
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2475
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2476 if (closest == closest_start)
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2477 {
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2478 if (step < 0)
15543
dd725a8ab112 patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents: 15470
diff changeset
2479 msg(_("Already at oldest change"));
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2480 else
15543
dd725a8ab112 patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents: 15470
diff changeset
2481 msg(_("Already at newest change"));
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2482 return;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2483 }
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2484
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2485 target = closest_seq;
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2486 dosec = FALSE;
2281
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2487 dofile = FALSE;
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2488 if (step < 0)
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2489 above = TRUE; /* stop above the header */
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2490 }
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2491
13138
0f906f414c69 patch 8.0.1443: compiler complains about uninitialized variable
Christian Brabandt <cb@256bit.org>
parents: 13134
diff changeset
2492 target_zero:
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2493 /* 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
2494 if (uhp != NULL || target == 0)
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2495 {
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2496 /*
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2497 * First go up the tree as much as needed.
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2498 */
2189
cb94c42c0e1a updated for version 7.2.445
Bram Moolenaar <bram@vim.org>
parents: 2181
diff changeset
2499 while (!got_int)
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2500 {
2189
cb94c42c0e1a updated for version 7.2.445
Bram Moolenaar <bram@vim.org>
parents: 2181
diff changeset
2501 /* 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
2502 change_warning(0);
cb94c42c0e1a updated for version 7.2.445
Bram Moolenaar <bram@vim.org>
parents: 2181
diff changeset
2503
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2504 uhp = curbuf->b_u_curhead;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2505 if (uhp == NULL)
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2506 uhp = curbuf->b_u_newhead;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2507 else
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2508 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
2509 if (uhp == NULL || (target > 0 && uhp->uh_walk != mark)
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2510 || (uhp->uh_seq == target && !above))
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2511 break;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2512 curbuf->b_u_curhead = uhp;
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2513 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
2514 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
2515 uhp->uh_walk = nomark; /* don't go back down here */
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2516 }
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2517
13134
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2518 /* 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
2519 if (target > 0)
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2520 {
13134
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2521 /*
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2522 * 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
2523 */
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2524 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
2525 {
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2526 /* 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
2527 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
2528
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2529 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
2530 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
2531 break;
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2532
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2533 /* 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
2534 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
2535 && 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
2536 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
2537
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2538 /* 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
2539 last = uhp;
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2540 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
2541 && 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
2542 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
2543 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
2544 {
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2545 /* 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
2546 * 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
2547 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
2548 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
2549 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
2550 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
2551 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
2552 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
2553 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
2554 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
2555 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
2556 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
2557
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2558 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
2559 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
2560 uhp = last;
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2561 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
2562 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
2563 }
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2564 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
2565
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2566 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
2567 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
2568
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2569 /* 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
2570 * 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
2571 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
2572 {
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2573 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
2574 break;
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2575 }
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 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
2578
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2579 /* 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
2580 * 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
2581 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
2582 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
2583 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
2584 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
2585
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2586 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
2587 break;
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2588
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2589 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
2590 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
2591 {
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2592 /* 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
2593 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
2594 break;
c4b5ad2b3596 patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents: 13012
diff changeset
2595 }
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2596 }
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2597 }
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2598 }
798
95dac6af3b3a updated for version 7.0232
vimboss
parents: 794
diff changeset
2599 u_undo_end(did_undo, absolute);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2600 }
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 * u_undoredo: common code for undo and redo
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2604 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2605 * 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
2606 * 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
2607 * list for the next undo/redo.
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2608 *
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2609 * 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
2610 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2611 static void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2612 u_undoredo(int undo)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2613 {
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
2614 undoline_T *newarray = NULL;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2615 linenr_T oldsize;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2616 linenr_T newsize;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2617 linenr_T top, bot;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2618 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2619 linenr_T newlnum = MAXLNUM;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2620 long i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2621 u_entry_T *uep, *nuep;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2622 u_entry_T *newlist = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2623 int old_flags;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2624 int new_flags;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2625 pos_T namedm[NMARKS];
692
a28f83d37113 updated for version 7.0208
vimboss
parents: 634
diff changeset
2626 visualinfo_T visualinfo;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2627 int empty_buffer; /* buffer became empty */
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2628 u_header_T *curhead = curbuf->b_u_curhead;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2629
2189
cb94c42c0e1a updated for version 7.2.445
Bram Moolenaar <bram@vim.org>
parents: 2181
diff changeset
2630 /* 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
2631 * invalid till the end. */
cb94c42c0e1a updated for version 7.2.445
Bram Moolenaar <bram@vim.org>
parents: 2181
diff changeset
2632 block_autocmds();
cb94c42c0e1a updated for version 7.2.445
Bram Moolenaar <bram@vim.org>
parents: 2181
diff changeset
2633
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
2634 #ifdef U_DEBUG
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
2635 u_check(FALSE);
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
2636 #endif
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2637 old_flags = curhead->uh_flags;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2638 new_flags = (curbuf->b_changed ? UH_CHANGED : 0) +
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2639 ((curbuf->b_ml.ml_flags & ML_EMPTY) ? UH_EMPTYBUF : 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2640 setpcmark();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2641
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2642 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2643 * save marks before undo/redo
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2644 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2645 mch_memmove(namedm, curbuf->b_namedm, sizeof(pos_T) * NMARKS);
692
a28f83d37113 updated for version 7.0208
vimboss
parents: 634
diff changeset
2646 visualinfo = curbuf->b_visual;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2647 curbuf->b_op_start.lnum = curbuf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2648 curbuf->b_op_start.col = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2649 curbuf->b_op_end.lnum = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2650 curbuf->b_op_end.col = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2651
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2652 for (uep = curhead->uh_entry; uep != NULL; uep = nuep)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2653 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2654 top = uep->ue_top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2655 bot = uep->ue_bot;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2656 if (bot == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2657 bot = curbuf->b_ml.ml_line_count + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2658 if (top > curbuf->b_ml.ml_line_count || top >= bot
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2659 || bot > curbuf->b_ml.ml_line_count + 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2660 {
2189
cb94c42c0e1a updated for version 7.2.445
Bram Moolenaar <bram@vim.org>
parents: 2181
diff changeset
2661 unblock_autocmds();
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
2662 iemsg(_("E438: u_undo: line numbers wrong"));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2663 changed(); /* don't want UNCHANGED now */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2664 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2665 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2666
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2667 oldsize = bot - top - 1; /* number of lines before undo */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2668 newsize = uep->ue_size; /* number of lines after undo */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2669
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2670 if (top < newlnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2671 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2672 /* If the saved cursor is somewhere in this undo block, move it to
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2673 * the remembered position. Makes "gwap" put the cursor back
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2674 * where it was. */
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2675 lnum = curhead->uh_cursor.lnum;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2676 if (lnum >= top && lnum <= top + newsize + 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2677 {
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2678 curwin->w_cursor = curhead->uh_cursor;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2679 newlnum = curwin->w_cursor.lnum - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2680 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2681 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2682 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2683 /* Use the first line that actually changed. Avoids that
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2684 * undoing auto-formatting puts the cursor in the previous
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2685 * line. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2686 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
2687 {
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
2688 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
2689
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
2690 if (curbuf->b_ml.ml_line_len != uep->ue_array[i].ul_len
16764
ef00b6bc186b patch 8.1.1384: using "int" for alloc() often results in compiler warnings
Bram Moolenaar <Bram@vim.org>
parents: 16627
diff changeset
2691 || memcmp(uep->ue_array[i].ul_line, p,
ef00b6bc186b patch 8.1.1384: using "int" for alloc() often results in compiler warnings
Bram Moolenaar <Bram@vim.org>
parents: 16627
diff changeset
2692 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 {
16825
ce04ebdf26b8 patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts
Bram Moolenaar <Bram@vim.org>
parents: 16768
diff changeset
2713 if ((newarray = U_ALLOC_LINE(sizeof(undoline_T) * oldsize)) == NULL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2714 {
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
2715 do_outofmem_msg((long_u)(sizeof(undoline_T) * oldsize));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2716 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2717 * We have messed up the entry list, repair is impossible.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2718 * we have to free the rest of the list.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2719 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2720 while (uep != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2721 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2722 nuep = uep->ue_next;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2723 u_freeentry(uep, uep->ue_size);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2724 uep = nuep;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2725 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2726 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2727 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2728 /* delete backwards, it goes faster in most cases */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2729 for (lnum = bot - 1, i = oldsize; --i >= 0; --lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2730 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2731 /* 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
2732 if (u_save_line(&newarray[i], lnum) == FAIL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2733 do_outofmem_msg((long_u)0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2734 /* remember we deleted the last line in the buffer, and a
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2735 * dummy empty line will be inserted */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2736 if (curbuf->b_ml.ml_line_count == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2737 empty_buffer = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2738 ml_delete(lnum, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2739 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2740 }
414
8ab9c77240d4 updated for version 7.0108
vimboss
parents: 407
diff changeset
2741 else
8ab9c77240d4 updated for version 7.0108
vimboss
parents: 407
diff changeset
2742 newarray = NULL;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2743
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2744 /* insert the lines in u_array between top and bot */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2745 if (newsize)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2746 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2747 for (lnum = top, i = 0; i < newsize; ++i, ++lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2748 {
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
2749 // 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
2750 // should get rid of, by replacing it with the new line.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2751 if (empty_buffer && lnum == 0)
16764
ef00b6bc186b patch 8.1.1384: using "int" for alloc() often results in compiler warnings
Bram Moolenaar <Bram@vim.org>
parents: 16627
diff changeset
2752 ml_replace_len((linenr_T)1, uep->ue_array[i].ul_line,
ef00b6bc186b patch 8.1.1384: using "int" for alloc() often results in compiler warnings
Bram Moolenaar <Bram@vim.org>
parents: 16627
diff changeset
2753 uep->ue_array[i].ul_len, TRUE, TRUE);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2754 else
16764
ef00b6bc186b patch 8.1.1384: using "int" for alloc() often results in compiler warnings
Bram Moolenaar <Bram@vim.org>
parents: 16627
diff changeset
2755 ml_append(lnum, uep->ue_array[i].ul_line,
ef00b6bc186b patch 8.1.1384: using "int" for alloc() often results in compiler warnings
Bram Moolenaar <Bram@vim.org>
parents: 16627
diff changeset
2756 (colnr_T)uep->ue_array[i].ul_len, FALSE);
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
2757 vim_free(uep->ue_array[i].ul_line);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2758 }
2230
290ee42cae85 Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents: 2229
diff changeset
2759 vim_free((char_u *)uep->ue_array);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2760 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2761
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2762 /* adjust marks */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2763 if (oldsize != newsize)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2764 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2765 mark_adjust(top + 1, top + oldsize, (long)MAXLNUM,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2766 (long)newsize - (long)oldsize);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2767 if (curbuf->b_op_start.lnum > top + oldsize)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2768 curbuf->b_op_start.lnum += newsize - oldsize;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2769 if (curbuf->b_op_end.lnum > top + oldsize)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2770 curbuf->b_op_end.lnum += newsize - oldsize;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2771 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2772
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2773 changed_lines(top + 1, 0, bot, newsize - oldsize);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2774
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2775 /* set '[ and '] mark */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2776 if (top + 1 < curbuf->b_op_start.lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2777 curbuf->b_op_start.lnum = top + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2778 if (newsize == 0 && top + 1 > curbuf->b_op_end.lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2779 curbuf->b_op_end.lnum = top + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2780 else if (top + newsize > curbuf->b_op_end.lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2781 curbuf->b_op_end.lnum = top + newsize;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2782
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2783 u_newcount += newsize;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2784 u_oldcount += oldsize;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2785 uep->ue_size = oldsize;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2786 uep->ue_array = newarray;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2787 uep->ue_bot = top + newsize + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2788
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2789 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2790 * insert this entry in front of the new entry list
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2791 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2792 nuep = uep->ue_next;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2793 uep->ue_next = newlist;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2794 newlist = uep;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2795 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2796
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2797 curhead->uh_entry = newlist;
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2798 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
2799 if ((old_flags & UH_EMPTYBUF) && BUFEMPTY())
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2800 curbuf->b_ml.ml_flags |= ML_EMPTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2801 if (old_flags & UH_CHANGED)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2802 changed();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2803 else
33
f6033dcbaf31 updated for version 7.0020
vimboss
parents: 7
diff changeset
2804 #ifdef FEAT_NETBEANS_INTG
f6033dcbaf31 updated for version 7.0020
vimboss
parents: 7
diff changeset
2805 /* per netbeans undo rules, keep it as modified */
f6033dcbaf31 updated for version 7.0020
vimboss
parents: 7
diff changeset
2806 if (!isNetbeansModified(curbuf))
f6033dcbaf31 updated for version 7.0020
vimboss
parents: 7
diff changeset
2807 #endif
16996
d5e1e09a829f patch 8.1.1498: ":write" increments b:changedtick even though nothing changed
Bram Moolenaar <Bram@vim.org>
parents: 16825
diff changeset
2808 unchanged(curbuf, FALSE, TRUE);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2809
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2810 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2811 * restore marks from before undo/redo
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2812 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2813 for (i = 0; i < NMARKS; ++i)
6616
290631797b76 updated for version 7.4.634
Bram Moolenaar <bram@vim.org>
parents: 6216
diff changeset
2814 {
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2815 if (curhead->uh_namedm[i].lnum != 0)
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2816 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
2817 if (namedm[i].lnum != 0)
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2818 curhead->uh_namedm[i] = namedm[i];
6616
290631797b76 updated for version 7.4.634
Bram Moolenaar <bram@vim.org>
parents: 6216
diff changeset
2819 else
290631797b76 updated for version 7.4.634
Bram Moolenaar <bram@vim.org>
parents: 6216
diff changeset
2820 curhead->uh_namedm[i].lnum = 0;
290631797b76 updated for version 7.4.634
Bram Moolenaar <bram@vim.org>
parents: 6216
diff changeset
2821 }
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2822 if (curhead->uh_visual.vi_start.lnum != 0)
692
a28f83d37113 updated for version 7.0208
vimboss
parents: 634
diff changeset
2823 {
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2824 curbuf->b_visual = curhead->uh_visual;
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2825 curhead->uh_visual = visualinfo;
692
a28f83d37113 updated for version 7.0208
vimboss
parents: 634
diff changeset
2826 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2827
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2828 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2829 * 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
2830 * before starting the change (for the "o" command).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2831 * Otherwise the cursor should go to the first undone line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2832 */
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2833 if (curhead->uh_cursor.lnum + 1 == curwin->w_cursor.lnum
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2834 && curwin->w_cursor.lnum > 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2835 --curwin->w_cursor.lnum;
2501
c43e99e9baaf Fix: ml_get errors when using undo with 'virtualedit'.
Bram Moolenaar <bram@vim.org>
parents: 2482
diff changeset
2836 if (curwin->w_cursor.lnum <= curbuf->b_ml.ml_line_count)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2837 {
2501
c43e99e9baaf Fix: ml_get errors when using undo with 'virtualedit'.
Bram Moolenaar <bram@vim.org>
parents: 2482
diff changeset
2838 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
2839 {
c43e99e9baaf Fix: ml_get errors when using undo with 'virtualedit'.
Bram Moolenaar <bram@vim.org>
parents: 2482
diff changeset
2840 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
2841 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
2842 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
2843 else
c43e99e9baaf Fix: ml_get errors when using undo with 'virtualedit'.
Bram Moolenaar <bram@vim.org>
parents: 2482
diff changeset
2844 curwin->w_cursor.coladd = 0;
c43e99e9baaf Fix: ml_get errors when using undo with 'virtualedit'.
Bram Moolenaar <bram@vim.org>
parents: 2482
diff changeset
2845 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2846 else
2501
c43e99e9baaf Fix: ml_get errors when using undo with 'virtualedit'.
Bram Moolenaar <bram@vim.org>
parents: 2482
diff changeset
2847 beginline(BL_SOL | BL_FIX);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2848 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2849 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2850 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2851 /* We get here with the current cursor line being past the end (eg
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2852 * after adding lines at the end of the file, and then undoing it).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2853 * check_cursor() will move the cursor to the last line. Move it to
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2854 * the first column here. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2855 curwin->w_cursor.col = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2856 curwin->w_cursor.coladd = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2857 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2858
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2859 /* Make sure the cursor is on an existing line and column. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2860 check_cursor();
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2861
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2862 /* Remember where we are for "g-" and ":earlier 10s". */
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
2863 curbuf->b_u_seq_cur = curhead->uh_seq;
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2864 if (undo)
12827
ff494a964ab7 patch 8.0.1290: seq_cur of undotree() wrong after undo
Christian Brabandt <cb@256bit.org>
parents: 12716
diff changeset
2865 {
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2866 /* We are below the previous undo. However, to make ":earlier 1s"
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2867 * 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
2868 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
2869 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
2870 else
ff494a964ab7 patch 8.0.1290: seq_cur of undotree() wrong after undo
Christian Brabandt <cb@256bit.org>
parents: 12716
diff changeset
2871 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
2872 }
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2873
2281
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2874 /* 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
2875 if (curhead->uh_save_nr != 0)
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2876 {
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2877 if (undo)
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2878 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
2879 else
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2880 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
2881 }
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
2882
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2883 /* 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
2884 * 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
2885 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
2886
cb94c42c0e1a updated for version 7.2.445
Bram Moolenaar <bram@vim.org>
parents: 2181
diff changeset
2887 unblock_autocmds();
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
2888 #ifdef U_DEBUG
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
2889 u_check(FALSE);
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
2890 #endif
7
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 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2894 * If we deleted or added lines, report the number of less/more lines.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2895 * Otherwise, report the number of changes (this may be incorrect
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2896 * in some cases, but it's better than nothing).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2897 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2898 static void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2899 u_undo_end(
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2900 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
2901 int absolute) /* used ":undo N" */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2902 {
944
b2dcb8457067 updated for version 7.0-070
vimboss
parents: 912
diff changeset
2903 char *msgstr;
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2904 u_header_T *uhp;
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2905 char_u msgbuf[80];
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2906
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2907 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2908 if ((fdo_flags & FDO_UNDO) && KeyTyped)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2909 foldOpenCursor();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2910 #endif
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2911
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2912 if (global_busy /* no messages now, wait until global is finished */
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2913 || !messaging()) /* 'lazyredraw' set, don't do messages now */
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2914 return;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2915
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2916 if (curbuf->b_ml.ml_flags & ML_EMPTY)
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2917 --u_newcount;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2918
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2919 u_oldcount -= u_newcount;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2920 if (u_oldcount == -1)
944
b2dcb8457067 updated for version 7.0-070
vimboss
parents: 912
diff changeset
2921 msgstr = N_("more line");
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2922 else if (u_oldcount < 0)
944
b2dcb8457067 updated for version 7.0-070
vimboss
parents: 912
diff changeset
2923 msgstr = N_("more lines");
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2924 else if (u_oldcount == 1)
944
b2dcb8457067 updated for version 7.0-070
vimboss
parents: 912
diff changeset
2925 msgstr = N_("line less");
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2926 else if (u_oldcount > 1)
944
b2dcb8457067 updated for version 7.0-070
vimboss
parents: 912
diff changeset
2927 msgstr = N_("fewer lines");
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2928 else
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2929 {
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2930 u_oldcount = u_newcount;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2931 if (u_newcount == 1)
944
b2dcb8457067 updated for version 7.0-070
vimboss
parents: 912
diff changeset
2932 msgstr = N_("change");
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2933 else
944
b2dcb8457067 updated for version 7.0-070
vimboss
parents: 912
diff changeset
2934 msgstr = N_("changes");
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2935 }
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2936
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2937 if (curbuf->b_u_curhead != NULL)
794
f19994020dad updated for version 7.0231
vimboss
parents: 777
diff changeset
2938 {
798
95dac6af3b3a updated for version 7.0232
vimboss
parents: 794
diff changeset
2939 /* 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
2940 if (absolute && curbuf->b_u_curhead->uh_next.ptr != NULL)
798
95dac6af3b3a updated for version 7.0232
vimboss
parents: 794
diff changeset
2941 {
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2942 uhp = curbuf->b_u_curhead->uh_next.ptr;
798
95dac6af3b3a updated for version 7.0232
vimboss
parents: 794
diff changeset
2943 did_undo = FALSE;
95dac6af3b3a updated for version 7.0232
vimboss
parents: 794
diff changeset
2944 }
95dac6af3b3a updated for version 7.0232
vimboss
parents: 794
diff changeset
2945 else if (did_undo)
794
f19994020dad updated for version 7.0231
vimboss
parents: 777
diff changeset
2946 uhp = curbuf->b_u_curhead;
f19994020dad updated for version 7.0231
vimboss
parents: 777
diff changeset
2947 else
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
2948 uhp = curbuf->b_u_curhead->uh_next.ptr;
794
f19994020dad updated for version 7.0231
vimboss
parents: 777
diff changeset
2949 }
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2950 else
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2951 uhp = curbuf->b_u_newhead;
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
2952
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2953 if (uhp == NULL)
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2954 *msgbuf = NUL;
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2955 else
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2956 u_add_time(msgbuf, sizeof(msgbuf), uhp->uh_time);
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
2957
2282
a888ed7ba375 Make updating text for conceal mode simpler. A few compiler warning fixes.
Bram Moolenaar <bram@vim.org>
parents: 2281
diff changeset
2958 #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
2959 {
a888ed7ba375 Make updating text for conceal mode simpler. A few compiler warning fixes.
Bram Moolenaar <bram@vim.org>
parents: 2281
diff changeset
2960 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
2961
a888ed7ba375 Make updating text for conceal mode simpler. A few compiler warning fixes.
Bram Moolenaar <bram@vim.org>
parents: 2281
diff changeset
2962 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
2963 {
2378
85b7dc8da5eb Add the 'concealcursor' option to decide when the cursor line is to be
Bram Moolenaar <bram@vim.org>
parents: 2367
diff changeset
2964 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
2965 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
2966 }
a888ed7ba375 Make updating text for conceal mode simpler. A few compiler warning fixes.
Bram Moolenaar <bram@vim.org>
parents: 2281
diff changeset
2967 }
a888ed7ba375 Make updating text for conceal mode simpler. A few compiler warning fixes.
Bram Moolenaar <bram@vim.org>
parents: 2281
diff changeset
2968 #endif
a888ed7ba375 Make updating text for conceal mode simpler. A few compiler warning fixes.
Bram Moolenaar <bram@vim.org>
parents: 2281
diff changeset
2969
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
2970 smsg_attr_keep(0, _("%ld %s; %s #%ld %s"),
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
2971 u_oldcount < 0 ? -u_oldcount : u_oldcount,
944
b2dcb8457067 updated for version 7.0-070
vimboss
parents: 912
diff changeset
2972 _(msgstr),
794
f19994020dad updated for version 7.0231
vimboss
parents: 777
diff changeset
2973 did_undo ? _("before") : _("after"),
f19994020dad updated for version 7.0231
vimboss
parents: 777
diff changeset
2974 uhp == NULL ? 0L : uhp->uh_seq,
f19994020dad updated for version 7.0231
vimboss
parents: 777
diff changeset
2975 msgbuf);
7
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 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2979 * u_sync: stop adding to the current entry list
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2980 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2981 void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2982 u_sync(
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2983 int force) /* Also sync when no_u_sync is set. */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2984 {
825
6675076019ae updated for version 7.0d
vimboss
parents: 810
diff changeset
2985 /* Skip it when already synced or syncing is disabled. */
6675076019ae updated for version 7.0d
vimboss
parents: 810
diff changeset
2986 if (curbuf->b_u_synced || (!force && no_u_sync > 0))
6675076019ae updated for version 7.0d
vimboss
parents: 810
diff changeset
2987 return;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2988 #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
2989 if (p_imst == IM_ON_THE_SPOT && im_is_preediting())
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2990 return; /* XIM is busy, don't break an undo sequence */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2991 #endif
5446
d0595545e98a updated for version 7.4.073
Bram Moolenaar <bram@vim.org>
parents: 5343
diff changeset
2992 if (get_undolevel() < 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2993 curbuf->b_u_synced = TRUE; /* no entries, nothing to do */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2994 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2995 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2996 u_getbot(); /* compute ue_bot of previous u_save */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2997 curbuf->b_u_curhead = NULL;
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
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3001 /*
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3002 * ":undolist": List the leafs of the undo tree
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3003 */
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3004 void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3005 ex_undolist(exarg_T *eap UNUSED)
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3006 {
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3007 garray_T ga;
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3008 u_header_T *uhp;
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3009 int mark;
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3010 int nomark;
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3011 int changes = 1;
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3012 int i;
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3013
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3014 /*
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3015 * 1: walk the tree to find all leafs, put the info in "ga".
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3016 * 2: sort the lines
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3017 * 3: display the list
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3018 */
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3019 mark = ++lastmark;
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3020 nomark = ++lastmark;
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3021 ga_init2(&ga, (int)sizeof(char *), 20);
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3022
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3023 uhp = curbuf->b_u_oldhead;
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3024 while (uhp != NULL)
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3025 {
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3026 if (uhp->uh_prev.ptr == NULL && uhp->uh_walk != nomark
777
f664cc974a7a updated for version 7.0227
vimboss
parents: 772
diff changeset
3027 && uhp->uh_walk != mark)
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3028 {
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3029 if (ga_grow(&ga, 1) == FAIL)
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3030 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
3031 vim_snprintf((char *)IObuff, IOSIZE, "%6ld %7d ",
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3032 uhp->uh_seq, changes);
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3033 u_add_time(IObuff + STRLEN(IObuff), IOSIZE - STRLEN(IObuff),
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3034 uhp->uh_time);
2280
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3035 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
3036 {
2627
fae6fb779a6b updated for version 7.3.048
Bram Moolenaar <bram@vim.org>
parents: 2577
diff changeset
3037 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
3038 STRCAT(IObuff, " ");
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3039 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
3040 " %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
3041 }
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3042 ((char_u **)(ga.ga_data))[ga.ga_len++] = vim_strsave(IObuff);
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3043 }
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3044
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3045 uhp->uh_walk = mark;
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3046
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3047 /* 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
3048 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
3049 && uhp->uh_prev.ptr->uh_walk != mark)
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3050 {
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3051 uhp = uhp->uh_prev.ptr;
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3052 ++changes;
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3053 }
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3054
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3055 /* 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
3056 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
3057 && 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
3058 && 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
3059 uhp = uhp->uh_alt_next.ptr;
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3060
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3061 /* 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
3062 * 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
3063 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
3064 && 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
3065 && uhp->uh_next.ptr->uh_walk != mark)
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3066 {
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3067 uhp = uhp->uh_next.ptr;
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3068 --changes;
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3069 }
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3070
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3071 else
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3072 {
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3073 /* need to backtrack; mark this node as done */
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3074 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
3075 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
3076 uhp = uhp->uh_alt_prev.ptr;
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3077 else
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3078 {
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3079 uhp = uhp->uh_next.ptr;
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3080 --changes;
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
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3085 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
3086 msg(_("Nothing to undo"));
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3087 else
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3088 {
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3089 sort_strings((char_u **)ga.ga_data, ga.ga_len);
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3090
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3091 msg_start();
15543
dd725a8ab112 patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents: 15470
diff changeset
3092 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
3093 HL_ATTR(HLF_T));
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3094 for (i = 0; i < ga.ga_len && !got_int; ++i)
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3095 {
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3096 msg_putchar('\n');
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3097 if (got_int)
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3098 break;
15543
dd725a8ab112 patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents: 15470
diff changeset
3099 msg_puts(((char **)ga.ga_data)[i]);
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3100 }
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3101 msg_end();
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3102
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3103 ga_clear_strings(&ga);
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 /*
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3108 * 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
3109 */
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3110 static void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3111 u_add_time(char_u *buf, size_t buflen, time_t tt)
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3112 {
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3113 #ifdef HAVE_STRFTIME
16621
7ad3fc329e08 patch 8.1.1313: warnings for using localtime() and ctime()
Bram Moolenaar <Bram@vim.org>
parents: 16405
diff changeset
3114 struct tm tmval;
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3115 struct tm *curtime;
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3116
9674
adc7212951ee commit https://github.com/vim/vim/commit/170b10b421f0c9fda08b7cfd3bb043c064f3659a
Christian Brabandt <cb@256bit.org>
parents: 9536
diff changeset
3117 if (vim_time() - tt >= 100)
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3118 {
17135
d03a52e02f1a patch 8.1.1567: localtime_r() does not respond to $TZ changes
Bram Moolenaar <Bram@vim.org>
parents: 16996
diff changeset
3119 curtime = vim_localtime(&tt, &tmval);
9674
adc7212951ee commit https://github.com/vim/vim/commit/170b10b421f0c9fda08b7cfd3bb043c064f3659a
Christian Brabandt <cb@256bit.org>
parents: 9536
diff changeset
3120 if (vim_time() - tt < (60L * 60L * 12L))
2627
fae6fb779a6b updated for version 7.3.048
Bram Moolenaar <bram@vim.org>
parents: 2577
diff changeset
3121 /* within 12 hours */
fae6fb779a6b updated for version 7.3.048
Bram Moolenaar <bram@vim.org>
parents: 2577
diff changeset
3122 (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
3123 else
3751
b7eea2409507 updated for version 7.3.634
Bram Moolenaar <bram@vim.org>
parents: 3545
diff changeset
3124 /* longer ago */
2689
26fb122355d4 updated for version 7.3.107
Bram Moolenaar <bram@vim.org>
parents: 2685
diff changeset
3125 (void)strftime((char *)buf, buflen, "%Y/%m/%d %H:%M:%S", curtime);
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3126 }
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3127 else
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3128 #endif
14589
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 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
3131
9c9ee53868b9 patch 8.1.0308: a quick undo shows "1 seconds ago"
Christian Brabandt <cb@256bit.org>
parents: 14327
diff changeset
3132 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
3133 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
3134 seconds);
9c9ee53868b9 patch 8.1.0308: a quick undo shows "1 seconds ago"
Christian Brabandt <cb@256bit.org>
parents: 14327
diff changeset
3135 }
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3136 }
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3137
aaaca5077255 updated for version 7.0226
vimboss
parents: 766
diff changeset
3138 /*
697
f08390485cd3 updated for version 7.0210
vimboss
parents: 692
diff changeset
3139 * ":undojoin": continue adding to the last entry list
f08390485cd3 updated for version 7.0210
vimboss
parents: 692
diff changeset
3140 */
f08390485cd3 updated for version 7.0210
vimboss
parents: 692
diff changeset
3141 void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3142 ex_undojoin(exarg_T *eap UNUSED)
697
f08390485cd3 updated for version 7.0210
vimboss
parents: 692
diff changeset
3143 {
839
1f3b1021f002 updated for version 7.0e05
vimboss
parents: 835
diff changeset
3144 if (curbuf->b_u_newhead == NULL)
1f3b1021f002 updated for version 7.0e05
vimboss
parents: 835
diff changeset
3145 return; /* nothing changed before */
1f3b1021f002 updated for version 7.0e05
vimboss
parents: 835
diff changeset
3146 if (curbuf->b_u_curhead != NULL)
1f3b1021f002 updated for version 7.0e05
vimboss
parents: 835
diff changeset
3147 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
3148 emsg(_("E790: undojoin is not allowed after undo"));
839
1f3b1021f002 updated for version 7.0e05
vimboss
parents: 835
diff changeset
3149 return;
1f3b1021f002 updated for version 7.0e05
vimboss
parents: 835
diff changeset
3150 }
697
f08390485cd3 updated for version 7.0210
vimboss
parents: 692
diff changeset
3151 if (!curbuf->b_u_synced)
f08390485cd3 updated for version 7.0210
vimboss
parents: 692
diff changeset
3152 return; /* already unsynced */
5446
d0595545e98a updated for version 7.4.073
Bram Moolenaar <bram@vim.org>
parents: 5343
diff changeset
3153 if (get_undolevel() < 0)
697
f08390485cd3 updated for version 7.0210
vimboss
parents: 692
diff changeset
3154 return; /* no entries, nothing to do */
f08390485cd3 updated for version 7.0210
vimboss
parents: 692
diff changeset
3155 else
10631
cbf17371627c patch 8.0.0205: wrong behavior after :undojoin
Christian Brabandt <cb@256bit.org>
parents: 10518
diff changeset
3156 /* 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
3157 curbuf->b_u_synced = FALSE;
697
f08390485cd3 updated for version 7.0210
vimboss
parents: 692
diff changeset
3158 }
f08390485cd3 updated for version 7.0210
vimboss
parents: 692
diff changeset
3159
f08390485cd3 updated for version 7.0210
vimboss
parents: 692
diff changeset
3160 /*
2394
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2378
diff changeset
3161 * Called after writing or reloading the file and setting b_changed to FALSE.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3162 * Now an undo means that the buffer is modified.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3163 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3164 void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3165 u_unchanged(buf_T *buf)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3166 {
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
3167 u_unch_branch(buf->b_u_oldhead);
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
3168 buf->b_did_warn = FALSE;
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
3169 }
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
3170
2281
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
3171 /*
2482
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3172 * 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
3173 * 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
3174 */
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3175 void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3176 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
3177 {
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3178 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
3179 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
3180 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
3181
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3182 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
3183 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
3184
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3185 /* 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
3186 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
3187 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
3188 return;
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3189
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3190 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
3191 && 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
3192 {
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
3193 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
3194
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
3195 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
3196 || 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
3197 {
11121
778c10516955 patch 8.0.0448: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents: 10978
diff changeset
3198 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
3199 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
3200 return;
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3201 }
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
3202 }
2482
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3203 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
3204 {
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3205 /* 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
3206 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
3207 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
3208 }
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3209 }
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3210
88751831fa0a When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents: 2410
diff changeset
3211 /*
2281
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
3212 * 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
3213 * used for "u".
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
3214 */
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
3215 void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3216 u_update_save_nr(buf_T *buf)
2281
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 u_header_T *uhp;
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
3219
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
3220 ++buf->b_u_save_nr_last;
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
3221 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
3222 uhp = buf->b_u_curhead;
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
3223 if (uhp != NULL)
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
3224 uhp = uhp->uh_next.ptr;
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
3225 else
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
3226 uhp = buf->b_u_newhead;
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
3227 if (uhp != NULL)
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
3228 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
3229 }
e41433ea71df Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents: 2280
diff changeset
3230
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
3231 static void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3232 u_unch_branch(u_header_T *uhp)
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
3233 {
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3234 u_header_T *uh;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3235
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3236 for (uh = uhp; uh != NULL; uh = uh->uh_prev.ptr)
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
3237 {
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3238 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
3239 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
3240 u_unch_branch(uh->uh_alt_next.ptr); /* recursive */
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
3241 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3242 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3243
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3244 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3245 * Get pointer to last added entry.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3246 * If it's not valid, give an error message and return NULL.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3247 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3248 static u_entry_T *
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3249 u_get_headentry(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3250 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3251 if (curbuf->b_u_newhead == NULL || curbuf->b_u_newhead->uh_entry == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3252 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
3253 iemsg(_("E439: undo list corrupt"));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3254 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3255 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3256 return curbuf->b_u_newhead->uh_entry;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3257 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3258
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3259 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3260 * u_getbot(): compute the line number of the previous u_save
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3261 * It is called only when b_u_synced is FALSE.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3262 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3263 static void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3264 u_getbot(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3265 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3266 u_entry_T *uep;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3267 linenr_T extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3268
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3269 uep = u_get_headentry(); /* check for corrupt undo list */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3270 if (uep == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3271 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3272
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3273 uep = curbuf->b_u_newhead->uh_getbot_entry;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3274 if (uep != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3275 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3276 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3277 * the new ue_bot is computed from the number of lines that has been
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3278 * inserted (0 - deleted) since calling u_save. This is equal to the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3279 * old line count subtracted from the current line count.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3280 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3281 extra = curbuf->b_ml.ml_line_count - uep->ue_lcount;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3282 uep->ue_bot = uep->ue_top + uep->ue_size + 1 + extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3283 if (uep->ue_bot < 1 || uep->ue_bot > curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3284 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15390
diff changeset
3285 iemsg(_("E440: undo line missing"));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3286 uep->ue_bot = uep->ue_top + 1; /* assume all lines deleted, will
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3287 * get all the old lines back
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3288 * without deleting the current
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3289 * ones */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3290 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3291
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3292 curbuf->b_u_newhead->uh_getbot_entry = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3293 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3294
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3295 curbuf->b_u_synced = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3296 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3297
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3298 /*
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
3299 * Free one header "uhp" and its entry list and adjust the pointers.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3300 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3301 static void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3302 u_freeheader(
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3303 buf_T *buf,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3304 u_header_T *uhp,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3305 u_header_T **uhpp) /* if not NULL reset when freeing this header */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3306 {
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
3307 u_header_T *uhap;
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
3308
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3309 /* When there is an alternate redo list free that branch completely,
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3310 * 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
3311 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
3312 u_freebranch(buf, uhp->uh_alt_next.ptr, uhpp);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3313
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3314 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
3315 uhp->uh_alt_prev.ptr->uh_alt_next.ptr = NULL;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3316
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3317 /* 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
3318 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
3319 buf->b_u_oldhead = uhp->uh_prev.ptr;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3320 else
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3321 uhp->uh_next.ptr->uh_prev.ptr = uhp->uh_prev.ptr;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3322
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3323 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
3324 buf->b_u_newhead = uhp->uh_next.ptr;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3325 else
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3326 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
3327 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
3328 uhap->uh_next.ptr = uhp->uh_next.ptr;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3329
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3330 u_freeentries(buf, uhp, uhpp);
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3331 }
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3332
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3333 /*
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
3334 * Free an alternate branch and any following alternate branches.
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3335 */
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3336 static void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3337 u_freebranch(
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3338 buf_T *buf,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3339 u_header_T *uhp,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3340 u_header_T **uhpp) /* if not NULL reset when freeing this header */
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3341 {
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3342 u_header_T *tofree, *next;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3343
1440
93ffa40b5320 updated for version 7.1-155
vimboss
parents: 1415
diff changeset
3344 /* 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
3345 * all the pointers. */
93ffa40b5320 updated for version 7.1-155
vimboss
parents: 1415
diff changeset
3346 if (uhp == buf->b_u_oldhead)
93ffa40b5320 updated for version 7.1-155
vimboss
parents: 1415
diff changeset
3347 {
5448
9818311eeca0 updated for version 7.4.074
Bram Moolenaar <bram@vim.org>
parents: 5446
diff changeset
3348 while (buf->b_u_oldhead != NULL)
9818311eeca0 updated for version 7.4.074
Bram Moolenaar <bram@vim.org>
parents: 5446
diff changeset
3349 u_freeheader(buf, buf->b_u_oldhead, uhpp);
1440
93ffa40b5320 updated for version 7.1-155
vimboss
parents: 1415
diff changeset
3350 return;
93ffa40b5320 updated for version 7.1-155
vimboss
parents: 1415
diff changeset
3351 }
93ffa40b5320 updated for version 7.1-155
vimboss
parents: 1415
diff changeset
3352
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3353 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
3354 uhp->uh_alt_prev.ptr->uh_alt_next.ptr = NULL;
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3355
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3356 next = uhp;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3357 while (next != NULL)
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3358 {
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3359 tofree = next;
2242
bc4685345719 Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents: 2239
diff changeset
3360 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
3361 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
3362 next = tofree->uh_prev.ptr;
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3363 u_freeentries(buf, tofree, uhpp);
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
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3367 /*
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3368 * Free all the undo entries for one header and the header itself.
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3369 * This means that "uhp" is invalid when returning.
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3370 */
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3371 static void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3372 u_freeentries(
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3373 buf_T *buf,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3374 u_header_T *uhp,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3375 u_header_T **uhpp) /* if not NULL reset when freeing this header */
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3376 {
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3377 u_entry_T *uep, *nuep;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3378
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3379 /* Check for pointers to the header that become invalid now. */
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3380 if (buf->b_u_curhead == uhp)
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3381 buf->b_u_curhead = NULL;
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
3382 if (buf->b_u_newhead == uhp)
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
3383 buf->b_u_newhead = NULL; /* freeing the newest entry */
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3384 if (uhpp != NULL && uhp == *uhpp)
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3385 *uhpp = NULL;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3386
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3387 for (uep = uhp->uh_entry; uep != NULL; uep = nuep)
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3388 {
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3389 nuep = uep->ue_next;
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3390 u_freeentry(uep, uep->ue_size);
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3391 }
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3392
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
3393 #ifdef U_DEBUG
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
3394 uhp->uh_magic = 0;
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
3395 #endif
2230
290ee42cae85 Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents: 2229
diff changeset
3396 vim_free((char_u *)uhp);
168
4d9eabb1396e updated for version 7.0051
vimboss
parents: 33
diff changeset
3397 --buf->b_u_numhead;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3398 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3399
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3400 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3401 * free entry 'uep' and 'n' lines in uep->ue_array[]
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3402 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3403 static void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3404 u_freeentry(u_entry_T *uep, long n)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3405 {
414
8ab9c77240d4 updated for version 7.0108
vimboss
parents: 407
diff changeset
3406 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
3407 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
3408 vim_free((char_u *)uep->ue_array);
1415
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
3409 #ifdef U_DEBUG
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
3410 uep->ue_magic = 0;
20b52d44daaf updated for version 7.1-130
vimboss
parents: 1210
diff changeset
3411 #endif
2230
290ee42cae85 Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents: 2229
diff changeset
3412 vim_free((char_u *)uep);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3413 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3414
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3415 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3416 * invalidate the undo buffer; called when storage has already been released
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3417 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3418 void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3419 u_clearall(buf_T *buf)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3420 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3421 buf->b_u_newhead = buf->b_u_oldhead = buf->b_u_curhead = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3422 buf->b_u_synced = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3423 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
3424 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
3425 buf->b_u_line_ptr.ul_len = 0;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3426 buf->b_u_line_lnum = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3427 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3428
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3429 /*
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
3430 * Save the line "lnum" for the "U" command.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3431 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3432 void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3433 u_saveline(linenr_T lnum)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3434 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3435 if (lnum == curbuf->b_u_line_lnum) /* line is already saved */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3436 return;
356
0f2b5d1b8117 updated for version 7.0092
vimboss
parents: 344
diff changeset
3437 if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count) /* should never happen */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3438 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3439 u_clearline();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3440 curbuf->b_u_line_lnum = lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3441 if (curwin->w_cursor.lnum == lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3442 curbuf->b_u_line_colnr = curwin->w_cursor.col;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3443 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3444 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
3445 if (u_save_line(&curbuf->b_u_line_ptr, lnum) == FAIL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3446 do_outofmem_msg((long_u)0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3447 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3448
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3449 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3450 * clear the line saved for the "U" command
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3451 * (this is used externally for crossing a line while in insert mode)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3452 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3453 void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3454 u_clearline(void)
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 if (curbuf->b_u_line_ptr.ul_line != NULL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3457 {
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
3458 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
3459 curbuf->b_u_line_ptr.ul_len = 0;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3460 curbuf->b_u_line_lnum = 0;
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
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3464 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3465 * Implementation of the "U" command.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3466 * Differentiation from vi: "U" can be undone with the next "U".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3467 * 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
3468 * Careful: may trigger autocommands that reload the buffer.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3469 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3470 void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3471 u_undoline(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3472 {
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
3473 colnr_T t;
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
3474 undoline_T oldp;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3475
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3476 if (undo_off)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3477 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3478
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
3479 if (curbuf->b_u_line_ptr.ul_line == NULL
1534
bdfbf8ef447a updated for version 7.1-249
vimboss
parents: 1440
diff changeset
3480 || curbuf->b_u_line_lnum > curbuf->b_ml.ml_line_count)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3481 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3482 beep_flush();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3483 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3484 }
1534
bdfbf8ef447a updated for version 7.1-249
vimboss
parents: 1440
diff changeset
3485
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
3486 // first save the line for the 'u' command
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3487 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
3488 curbuf->b_u_line_lnum + 1, (linenr_T)0, FALSE) == FAIL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3489 return;
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
3490 if (u_save_line(&oldp, curbuf->b_u_line_lnum) == FAIL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3491 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3492 do_outofmem_msg((long_u)0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3493 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3494 }
15361
58b125df3e9b patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
3495 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
3496 changed_bytes(curbuf->b_u_line_lnum, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3497 curbuf->b_u_line_ptr = oldp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3498
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3499 t = curbuf->b_u_line_colnr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3500 if (curwin->w_cursor.lnum == curbuf->b_u_line_lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3501 curbuf->b_u_line_colnr = curwin->w_cursor.col;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3502 curwin->w_cursor.col = t;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3503 curwin->w_cursor.lnum = curbuf->b_u_line_lnum;
1534
bdfbf8ef447a updated for version 7.1-249
vimboss
parents: 1440
diff changeset
3504 check_cursor_col();
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3505 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3506
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3507 /*
168
4d9eabb1396e updated for version 7.0051
vimboss
parents: 33
diff changeset
3508 * Free all allocated memory blocks for the buffer 'buf'.
4d9eabb1396e updated for version 7.0051
vimboss
parents: 33
diff changeset
3509 */
4d9eabb1396e updated for version 7.0051
vimboss
parents: 33
diff changeset
3510 void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3511 u_blockfree(buf_T *buf)
168
4d9eabb1396e updated for version 7.0051
vimboss
parents: 33
diff changeset
3512 {
753
ac005a544e24 updated for version 7.0223
vimboss
parents: 697
diff changeset
3513 while (buf->b_u_oldhead != NULL)
758
d591d4ceeaee updated for version 7.0224
vimboss
parents: 753
diff changeset
3514 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
3515 vim_free(buf->b_u_line_ptr.ul_line);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3516 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3517
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3518 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3519 * Check if the 'modified' flag is set, or 'ff' has changed (only need to
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3520 * check the first character, because it can only be "dos", "unix" or "mac").
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3521 * "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
3522 * 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
3523 * job.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3524 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3525 int
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3526 bufIsChanged(buf_T *buf)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3527 {
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
3528 #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
3529 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
3530 return TRUE;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3531 #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
3532 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
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
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 /*
16089
4411c38f3d16 patch 8.1.1049: when user tries to exit with CTRL-C message is confusing
Bram Moolenaar <Bram@vim.org>
parents: 15868
diff changeset
3536 * Return TRUE if any buffer has changes. Also buffers that are not written.
4411c38f3d16 patch 8.1.1049: when user tries to exit with CTRL-C message is confusing
Bram Moolenaar <Bram@vim.org>
parents: 15868
diff changeset
3537 */
4411c38f3d16 patch 8.1.1049: when user tries to exit with CTRL-C message is confusing
Bram Moolenaar <Bram@vim.org>
parents: 15868
diff changeset
3538 int
4411c38f3d16 patch 8.1.1049: when user tries to exit with CTRL-C message is confusing
Bram Moolenaar <Bram@vim.org>
parents: 15868
diff changeset
3539 anyBufIsChanged(void)
4411c38f3d16 patch 8.1.1049: when user tries to exit with CTRL-C message is confusing
Bram Moolenaar <Bram@vim.org>
parents: 15868
diff changeset
3540 {
4411c38f3d16 patch 8.1.1049: when user tries to exit with CTRL-C message is confusing
Bram Moolenaar <Bram@vim.org>
parents: 15868
diff changeset
3541 buf_T *buf;
4411c38f3d16 patch 8.1.1049: when user tries to exit with CTRL-C message is confusing
Bram Moolenaar <Bram@vim.org>
parents: 15868
diff changeset
3542
4411c38f3d16 patch 8.1.1049: when user tries to exit with CTRL-C message is confusing
Bram Moolenaar <Bram@vim.org>
parents: 15868
diff changeset
3543 FOR_ALL_BUFFERS(buf)
4411c38f3d16 patch 8.1.1049: when user tries to exit with CTRL-C message is confusing
Bram Moolenaar <Bram@vim.org>
parents: 15868
diff changeset
3544 if (bufIsChanged(buf))
4411c38f3d16 patch 8.1.1049: when user tries to exit with CTRL-C message is confusing
Bram Moolenaar <Bram@vim.org>
parents: 15868
diff changeset
3545 return TRUE;
16097
d45e42b45470 patch 8.1.1053: warning for missing return statement
Bram Moolenaar <Bram@vim.org>
parents: 16089
diff changeset
3546 return FALSE;
16089
4411c38f3d16 patch 8.1.1049: when user tries to exit with CTRL-C message is confusing
Bram Moolenaar <Bram@vim.org>
parents: 15868
diff changeset
3547 }
4411c38f3d16 patch 8.1.1049: when user tries to exit with CTRL-C message is confusing
Bram Moolenaar <Bram@vim.org>
parents: 15868
diff changeset
3548
4411c38f3d16 patch 8.1.1049: when user tries to exit with CTRL-C message is confusing
Bram Moolenaar <Bram@vim.org>
parents: 15868
diff changeset
3549 /*
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
3550 * 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
3551 */
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
3552 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
3553 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
3554 {
14147
de75c249723d patch 8.1.0091: MS-Windows: Cannot interrupt gdb when program is running
Christian Brabandt <cb@256bit.org>
parents: 13610
diff changeset
3555 // 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
3556 // 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
3557 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
3558 && (buf->b_changed || file_ff_differs(buf, TRUE));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3559 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3560
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3561 int
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3562 curbufIsChanged(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3563 {
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
3564 return bufIsChanged(curbuf);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3565 }
2280
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3566
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3567 #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
3568 /*
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3569 * 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
3570 * Recursive.
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3571 */
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3572 void
7835
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3573 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
3574 {
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3575 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
3576 dict_T *dict;
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 while (uhp != NULL)
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 dict = dict_alloc();
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3581 if (dict == NULL)
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3582 return;
14301
3c80092eb211 patch 8.1.0166: using dict_add_nr_str() is clumsy
Christian Brabandt <cb@256bit.org>
parents: 14237
diff changeset
3583 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
3584 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
3585 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
3586 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
3587 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
3588 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
3589 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
3590 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
3591
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3592 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
3593 {
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3594 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
3595
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3596 if (alt_list != NULL)
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3597 {
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3598 /* 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
3599 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
3600 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
3601 }
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3602 }
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3603
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3604 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
3605 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
3606 }
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3607 }
941ff1cd317a Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents: 2271
diff changeset
3608 #endif