Mercurial > vim
annotate src/memline.c @ 16570:2c2f5f0173c1 v8.1.1288
patch 8.1.1288: search stats don't show for mapped command
commit https://github.com/vim/vim/commit/9ce3fa828d238ff28d57b0092bb37575e20010ec
Author: Bram Moolenaar <Bram@vim.org>
Date: Tue May 7 21:29:11 2019 +0200
patch 8.1.1288: search stats don't show for mapped command
Problem: Search stats don't show for mapped command.
Solution: Remove SEARCH_PEEK from searchit flags. Add a test. (Christian
Brabandt)
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Tue, 07 May 2019 21:30:05 +0200 |
parents | 1ae13586edf8 |
children | 7ad3fc329e08 |
rev | line source |
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commit https://github.com/vim/vim/commit/edf3f97ae2af024708ebb4ac614227327033ca47
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1 /* vi:set ts=8 sts=4 sw=4 noet: |
7 | 2 * |
3 * VIM - Vi IMproved by Bram Moolenaar | |
4 * | |
5 * Do ":help uganda" in Vim to read copying and usage conditions. | |
6 * Do ":help credits" in Vim to see a list of people who contributed. | |
7 * See README.txt for an overview of the Vim source code. | |
8 */ | |
9 | |
10 /* for debugging */ | |
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11 /* #define CHECK(c, s) do { if (c) emsg((s)); } while (0) */ |
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12 #define CHECK(c, s) do { /**/ } while (0) |
7 | 13 |
14 /* | |
15 * memline.c: Contains the functions for appending, deleting and changing the | |
625 | 16 * text lines. The memfile functions are used to store the information in |
17 * blocks of memory, backed up by a file. The structure of the information is | |
18 * a tree. The root of the tree is a pointer block. The leaves of the tree | |
19 * are data blocks. In between may be several layers of pointer blocks, | |
20 * forming branches. | |
7 | 21 * |
22 * Three types of blocks are used: | |
23 * - Block nr 0 contains information for recovery | |
24 * - Pointer blocks contain list of pointers to other blocks. | |
25 * - Data blocks contain the actual text. | |
26 * | |
27 * Block nr 0 contains the block0 structure (see below). | |
28 * | |
29 * Block nr 1 is the first pointer block. It is the root of the tree. | |
30 * Other pointer blocks are branches. | |
31 * | |
32 * If a line is too big to fit in a single page, the block containing that | |
33 * line is made big enough to hold the line. It may span several pages. | |
34 * Otherwise all blocks are one page. | |
35 * | |
36 * A data block that was filled when starting to edit a file and was not | |
37 * changed since then, can have a negative block number. This means that it | |
38 * has not yet been assigned a place in the file. When recovering, the lines | |
39 * in this data block can be read from the original file. When the block is | |
40 * changed (lines appended/deleted/changed) or when it is flushed it gets a | |
41 * positive number. Use mf_trans_del() to get the new number, before calling | |
42 * mf_get(). | |
43 */ | |
44 | |
45 #include "vim.h" | |
46 | |
47 #ifndef UNIX /* it's in os_unix.h for Unix */ | |
48 # include <time.h> | |
49 #endif | |
50 | |
1030 | 51 #if defined(SASC) || defined(__amigaos4__) |
7 | 52 # include <proto/dos.h> /* for Open() and Close() */ |
53 #endif | |
54 | |
55 typedef struct block0 ZERO_BL; /* contents of the first block */ | |
56 typedef struct pointer_block PTR_BL; /* contents of a pointer block */ | |
57 typedef struct data_block DATA_BL; /* contents of a data block */ | |
58 typedef struct pointer_entry PTR_EN; /* block/line-count pair */ | |
59 | |
2267 | 60 #define DATA_ID (('d' << 8) + 'a') /* data block id */ |
61 #define PTR_ID (('p' << 8) + 't') /* pointer block id */ | |
62 #define BLOCK0_ID0 'b' /* block 0 id 0 */ | |
63 #define BLOCK0_ID1 '0' /* block 0 id 1 */ | |
64 #define BLOCK0_ID1_C0 'c' /* block 0 id 1 'cm' 0 */ | |
65 #define BLOCK0_ID1_C1 'C' /* block 0 id 1 'cm' 1 */ | |
6122 | 66 #define BLOCK0_ID1_C2 'd' /* block 0 id 1 'cm' 2 */ |
67 | |
68 #if defined(FEAT_CRYPT) | |
69 static int id1_codes[] = { | |
70 BLOCK0_ID1_C0, /* CRYPT_M_ZIP */ | |
71 BLOCK0_ID1_C1, /* CRYPT_M_BF */ | |
72 BLOCK0_ID1_C2, /* CRYPT_M_BF2 */ | |
73 }; | |
74 #endif | |
7 | 75 |
76 /* | |
77 * pointer to a block, used in a pointer block | |
78 */ | |
79 struct pointer_entry | |
80 { | |
81 blocknr_T pe_bnum; /* block number */ | |
82 linenr_T pe_line_count; /* number of lines in this branch */ | |
83 linenr_T pe_old_lnum; /* lnum for this block (for recovery) */ | |
84 int pe_page_count; /* number of pages in block pe_bnum */ | |
85 }; | |
86 | |
87 /* | |
88 * A pointer block contains a list of branches in the tree. | |
89 */ | |
90 struct pointer_block | |
91 { | |
92 short_u pb_id; /* ID for pointer block: PTR_ID */ | |
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93 short_u pb_count; /* number of pointers in this block */ |
7 | 94 short_u pb_count_max; /* maximum value for pb_count */ |
95 PTR_EN pb_pointer[1]; /* list of pointers to blocks (actually longer) | |
96 * followed by empty space until end of page */ | |
97 }; | |
98 | |
99 /* | |
100 * A data block is a leaf in the tree. | |
101 * | |
102 * The text of the lines is at the end of the block. The text of the first line | |
103 * in the block is put at the end, the text of the second line in front of it, | |
104 * etc. Thus the order of the lines is the opposite of the line number. | |
105 */ | |
106 struct data_block | |
107 { | |
108 short_u db_id; /* ID for data block: DATA_ID */ | |
109 unsigned db_free; /* free space available */ | |
110 unsigned db_txt_start; /* byte where text starts */ | |
111 unsigned db_txt_end; /* byte just after data block */ | |
112 linenr_T db_line_count; /* number of lines in this block */ | |
113 unsigned db_index[1]; /* index for start of line (actually bigger) | |
114 * followed by empty space upto db_txt_start | |
115 * followed by the text in the lines until | |
116 * end of page */ | |
117 }; | |
118 | |
119 /* | |
120 * The low bits of db_index hold the actual index. The topmost bit is | |
121 * used for the global command to be able to mark a line. | |
122 * This method is not clean, but otherwise there would be at least one extra | |
123 * byte used for each line. | |
124 * The mark has to be in this place to keep it with the correct line when other | |
125 * lines are inserted or deleted. | |
126 */ | |
127 #define DB_MARKED ((unsigned)1 << ((sizeof(unsigned) * 8) - 1)) | |
128 #define DB_INDEX_MASK (~DB_MARKED) | |
129 | |
130 #define INDEX_SIZE (sizeof(unsigned)) /* size of one db_index entry */ | |
131 #define HEADER_SIZE (sizeof(DATA_BL) - INDEX_SIZE) /* size of data block header */ | |
132 | |
39 | 133 #define B0_FNAME_SIZE_ORG 900 /* what it was in older versions */ |
2267 | 134 #define B0_FNAME_SIZE_NOCRYPT 898 /* 2 bytes used for other things */ |
135 #define B0_FNAME_SIZE_CRYPT 890 /* 10 bytes used for other things */ | |
39 | 136 #define B0_UNAME_SIZE 40 |
137 #define B0_HNAME_SIZE 40 | |
7 | 138 /* |
139 * Restrict the numbers to 32 bits, otherwise most compilers will complain. | |
140 * This won't detect a 64 bit machine that only swaps a byte in the top 32 | |
141 * bits, but that is crazy anyway. | |
142 */ | |
143 #define B0_MAGIC_LONG 0x30313233L | |
144 #define B0_MAGIC_INT 0x20212223L | |
145 #define B0_MAGIC_SHORT 0x10111213L | |
146 #define B0_MAGIC_CHAR 0x55 | |
147 | |
148 /* | |
149 * Block zero holds all info about the swap file. | |
150 * | |
151 * NOTE: DEFINITION OF BLOCK 0 SHOULD NOT CHANGE! It would make all existing | |
152 * swap files unusable! | |
153 * | |
154 * If size of block0 changes anyway, adjust MIN_SWAP_PAGE_SIZE in vim.h!! | |
155 * | |
1228 | 156 * This block is built up of single bytes, to make it portable across |
7 | 157 * different machines. b0_magic_* is used to check the byte order and size of |
158 * variables, because the rest of the swap file is not portable. | |
159 */ | |
160 struct block0 | |
161 { | |
2267 | 162 char_u b0_id[2]; /* id for block 0: BLOCK0_ID0 and BLOCK0_ID1, |
6122 | 163 * BLOCK0_ID1_C0, BLOCK0_ID1_C1, etc. */ |
7 | 164 char_u b0_version[10]; /* Vim version string */ |
165 char_u b0_page_size[4];/* number of bytes per page */ | |
166 char_u b0_mtime[4]; /* last modification time of file */ | |
167 char_u b0_ino[4]; /* inode of b0_fname */ | |
168 char_u b0_pid[4]; /* process id of creator (or 0) */ | |
169 char_u b0_uname[B0_UNAME_SIZE]; /* name of user (uid if no name) */ | |
170 char_u b0_hname[B0_HNAME_SIZE]; /* host name (if it has a name) */ | |
39 | 171 char_u b0_fname[B0_FNAME_SIZE_ORG]; /* name of file being edited */ |
7 | 172 long b0_magic_long; /* check for byte order of long */ |
173 int b0_magic_int; /* check for byte order of int */ | |
174 short b0_magic_short; /* check for byte order of short */ | |
175 char_u b0_magic_char; /* check for last char */ | |
176 }; | |
39 | 177 |
178 /* | |
625 | 179 * Note: b0_dirty and b0_flags are put at the end of the file name. For very |
39 | 180 * long file names in older versions of Vim they are invalid. |
181 * The 'fileencoding' comes before b0_flags, with a NUL in front. But only | |
182 * when there is room, for very long file names it's omitted. | |
183 */ | |
184 #define B0_DIRTY 0x55 | |
2267 | 185 #define b0_dirty b0_fname[B0_FNAME_SIZE_ORG - 1] |
39 | 186 |
187 /* | |
188 * The b0_flags field is new in Vim 7.0. | |
189 */ | |
2267 | 190 #define b0_flags b0_fname[B0_FNAME_SIZE_ORG - 2] |
191 | |
192 /* | |
193 * Crypt seed goes here, 8 bytes. New in Vim 7.3. | |
194 * Without encryption these bytes may be used for 'fenc'. | |
195 */ | |
196 #define b0_seed b0_fname[B0_FNAME_SIZE_ORG - 2 - MF_SEED_LEN] | |
39 | 197 |
198 /* The lowest two bits contain the fileformat. Zero means it's not set | |
199 * (compatible with Vim 6.x), otherwise it's EOL_UNIX + 1, EOL_DOS + 1 or | |
200 * EOL_MAC + 1. */ | |
201 #define B0_FF_MASK 3 | |
202 | |
203 /* Swap file is in directory of edited file. Used to find the file from | |
204 * different mount points. */ | |
205 #define B0_SAME_DIR 4 | |
206 | |
207 /* The 'fileencoding' is at the end of b0_fname[], with a NUL in front of it. | |
208 * When empty there is only the NUL. */ | |
209 #define B0_HAS_FENC 8 | |
7 | 210 |
211 #define STACK_INCR 5 /* nr of entries added to ml_stack at a time */ | |
212 | |
213 /* | |
214 * The line number where the first mark may be is remembered. | |
215 * If it is 0 there are no marks at all. | |
216 * (always used for the current buffer only, no buffer change possible while | |
217 * executing a global command). | |
218 */ | |
219 static linenr_T lowest_marked = 0; | |
220 | |
221 /* | |
222 * arguments for ml_find_line() | |
223 */ | |
224 #define ML_DELETE 0x11 /* delete line */ | |
225 #define ML_INSERT 0x12 /* insert line */ | |
226 #define ML_FIND 0x13 /* just find the line */ | |
227 #define ML_FLUSH 0x02 /* flush locked block */ | |
228 #define ML_SIMPLE(x) (x & 0x10) /* DEL, INS or FIND */ | |
229 | |
2267 | 230 /* argument for ml_upd_block0() */ |
231 typedef enum { | |
232 UB_FNAME = 0 /* update timestamp and filename */ | |
233 , UB_SAME_DIR /* update the B0_SAME_DIR flag */ | |
234 , UB_CRYPT /* update crypt key */ | |
235 } upd_block0_T; | |
236 | |
237 #ifdef FEAT_CRYPT | |
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238 static void ml_set_b0_crypt(buf_T *buf, ZERO_BL *b0p); |
2267 | 239 #endif |
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240 static void ml_upd_block0(buf_T *buf, upd_block0_T what); |
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241 static void set_b0_fname(ZERO_BL *, buf_T *buf); |
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242 static void set_b0_dir_flag(ZERO_BL *b0p, buf_T *buf); |
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243 static void add_b0_fenc(ZERO_BL *b0p, buf_T *buf); |
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244 static time_t swapfile_info(char_u *); |
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245 static int recov_file_names(char_u **, char_u *, int prepend_dot); |
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246 static int ml_append_int(buf_T *, linenr_T, char_u *, colnr_T, int, int); |
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247 static int ml_delete_int(buf_T *, linenr_T, int); |
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248 static char_u *findswapname(buf_T *, char_u **, char_u *); |
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249 static void ml_flush_line(buf_T *); |
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250 static bhdr_T *ml_new_data(memfile_T *, int, int); |
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251 static bhdr_T *ml_new_ptr(memfile_T *); |
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252 static bhdr_T *ml_find_line(buf_T *, linenr_T, int); |
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253 static int ml_add_stack(buf_T *); |
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254 static void ml_lineadd(buf_T *, int); |
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255 static int b0_magic_wrong(ZERO_BL *); |
7 | 256 #ifdef CHECK_INODE |
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257 static int fnamecmp_ino(char_u *, char_u *, long); |
7 | 258 #endif |
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259 static void long_to_char(long, char_u *); |
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260 static long char_to_long(char_u *); |
2267 | 261 #ifdef FEAT_CRYPT |
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262 static cryptstate_T *ml_crypt_prepare(memfile_T *mfp, off_T offset, int reading); |
2267 | 263 #endif |
7 | 264 #ifdef FEAT_BYTEOFF |
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265 static void ml_updatechunk(buf_T *buf, long line, long len, int updtype); |
7 | 266 #endif |
267 | |
268 /* | |
625 | 269 * Open a new memline for "buf". |
7 | 270 * |
625 | 271 * Return FAIL for failure, OK otherwise. |
7 | 272 */ |
273 int | |
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274 ml_open(buf_T *buf) |
7 | 275 { |
276 memfile_T *mfp; | |
277 bhdr_T *hp = NULL; | |
278 ZERO_BL *b0p; | |
279 PTR_BL *pp; | |
280 DATA_BL *dp; | |
281 | |
625 | 282 /* |
283 * init fields in memline struct | |
284 */ | |
2267 | 285 buf->b_ml.ml_stack_size = 0; /* no stack yet */ |
625 | 286 buf->b_ml.ml_stack = NULL; /* no stack yet */ |
287 buf->b_ml.ml_stack_top = 0; /* nothing in the stack */ | |
288 buf->b_ml.ml_locked = NULL; /* no cached block */ | |
289 buf->b_ml.ml_line_lnum = 0; /* no cached line */ | |
7 | 290 #ifdef FEAT_BYTEOFF |
625 | 291 buf->b_ml.ml_chunksize = NULL; |
7 | 292 #endif |
293 | |
5737 | 294 if (cmdmod.noswapfile) |
295 buf->b_p_swf = FALSE; | |
296 | |
625 | 297 /* |
298 * When 'updatecount' is non-zero swap file may be opened later. | |
299 */ | |
300 if (p_uc && buf->b_p_swf) | |
301 buf->b_may_swap = TRUE; | |
7 | 302 else |
625 | 303 buf->b_may_swap = FALSE; |
304 | |
305 /* | |
306 * Open the memfile. No swap file is created yet. | |
307 */ | |
7 | 308 mfp = mf_open(NULL, 0); |
309 if (mfp == NULL) | |
310 goto error; | |
311 | |
625 | 312 buf->b_ml.ml_mfp = mfp; |
2267 | 313 #ifdef FEAT_CRYPT |
314 mfp->mf_buffer = buf; | |
315 #endif | |
625 | 316 buf->b_ml.ml_flags = ML_EMPTY; |
317 buf->b_ml.ml_line_count = 1; | |
13 | 318 #ifdef FEAT_LINEBREAK |
319 curwin->w_nrwidth_line_count = 0; | |
320 #endif | |
7 | 321 |
322 /* | |
323 * fill block0 struct and write page 0 | |
324 */ | |
325 if ((hp = mf_new(mfp, FALSE, 1)) == NULL) | |
326 goto error; | |
327 if (hp->bh_bnum != 0) | |
328 { | |
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329 iemsg(_("E298: Didn't get block nr 0?")); |
7 | 330 goto error; |
331 } | |
332 b0p = (ZERO_BL *)(hp->bh_data); | |
333 | |
334 b0p->b0_id[0] = BLOCK0_ID0; | |
335 b0p->b0_id[1] = BLOCK0_ID1; | |
336 b0p->b0_magic_long = (long)B0_MAGIC_LONG; | |
337 b0p->b0_magic_int = (int)B0_MAGIC_INT; | |
338 b0p->b0_magic_short = (short)B0_MAGIC_SHORT; | |
339 b0p->b0_magic_char = B0_MAGIC_CHAR; | |
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340 mch_memmove(b0p->b0_version, "VIM ", 4); |
7 | 341 STRNCPY(b0p->b0_version + 4, Version, 6); |
342 long_to_char((long)mfp->mf_page_size, b0p->b0_page_size); | |
625 | 343 |
800 | 344 #ifdef FEAT_SPELL |
345 if (!buf->b_spell) | |
346 #endif | |
625 | 347 { |
348 b0p->b0_dirty = buf->b_changed ? B0_DIRTY : 0; | |
349 b0p->b0_flags = get_fileformat(buf) + 1; | |
350 set_b0_fname(b0p, buf); | |
351 (void)get_user_name(b0p->b0_uname, B0_UNAME_SIZE); | |
352 b0p->b0_uname[B0_UNAME_SIZE - 1] = NUL; | |
353 mch_get_host_name(b0p->b0_hname, B0_HNAME_SIZE); | |
354 b0p->b0_hname[B0_HNAME_SIZE - 1] = NUL; | |
355 long_to_char(mch_get_pid(), b0p->b0_pid); | |
2267 | 356 #ifdef FEAT_CRYPT |
6122 | 357 ml_set_b0_crypt(buf, b0p); |
2267 | 358 #endif |
625 | 359 } |
7 | 360 |
361 /* | |
362 * Always sync block number 0 to disk, so we can check the file name in | |
2267 | 363 * the swap file in findswapname(). Don't do this for a help files or |
364 * a spell buffer though. | |
7 | 365 * Only works when there's a swapfile, otherwise it's done when the file |
366 * is created. | |
367 */ | |
368 mf_put(mfp, hp, TRUE, FALSE); | |
625 | 369 if (!buf->b_help && !B_SPELL(buf)) |
7 | 370 (void)mf_sync(mfp, 0); |
371 | |
625 | 372 /* |
373 * Fill in root pointer block and write page 1. | |
374 */ | |
7 | 375 if ((hp = ml_new_ptr(mfp)) == NULL) |
376 goto error; | |
377 if (hp->bh_bnum != 1) | |
378 { | |
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379 iemsg(_("E298: Didn't get block nr 1?")); |
7 | 380 goto error; |
381 } | |
382 pp = (PTR_BL *)(hp->bh_data); | |
383 pp->pb_count = 1; | |
384 pp->pb_pointer[0].pe_bnum = 2; | |
385 pp->pb_pointer[0].pe_page_count = 1; | |
386 pp->pb_pointer[0].pe_old_lnum = 1; | |
387 pp->pb_pointer[0].pe_line_count = 1; /* line count after insertion */ | |
388 mf_put(mfp, hp, TRUE, FALSE); | |
389 | |
625 | 390 /* |
391 * Allocate first data block and create an empty line 1. | |
392 */ | |
7 | 393 if ((hp = ml_new_data(mfp, FALSE, 1)) == NULL) |
394 goto error; | |
395 if (hp->bh_bnum != 2) | |
396 { | |
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397 iemsg(_("E298: Didn't get block nr 2?")); |
7 | 398 goto error; |
399 } | |
400 | |
401 dp = (DATA_BL *)(hp->bh_data); | |
402 dp->db_index[0] = --dp->db_txt_start; /* at end of block */ | |
403 dp->db_free -= 1 + INDEX_SIZE; | |
404 dp->db_line_count = 1; | |
2003 | 405 *((char_u *)dp + dp->db_txt_start) = NUL; /* empty line */ |
7 | 406 |
407 return OK; | |
408 | |
409 error: | |
410 if (mfp != NULL) | |
411 { | |
412 if (hp) | |
413 mf_put(mfp, hp, FALSE, FALSE); | |
414 mf_close(mfp, TRUE); /* will also free(mfp->mf_fname) */ | |
415 } | |
625 | 416 buf->b_ml.ml_mfp = NULL; |
7 | 417 return FAIL; |
418 } | |
419 | |
2267 | 420 #if defined(FEAT_CRYPT) || defined(PROTO) |
421 /* | |
6130 | 422 * Prepare encryption for "buf" for the current key and method. |
423 */ | |
424 static void | |
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425 ml_set_mfp_crypt(buf_T *buf) |
6130 | 426 { |
427 if (*buf->b_p_key != NUL) | |
428 { | |
429 int method_nr = crypt_get_method_nr(buf); | |
430 | |
431 if (method_nr > CRYPT_M_ZIP) | |
432 { | |
433 /* Generate a seed and store it in the memfile. */ | |
434 sha2_seed(buf->b_ml.ml_mfp->mf_seed, MF_SEED_LEN, NULL, 0); | |
435 } | |
436 } | |
437 } | |
438 | |
439 /* | |
2267 | 440 * Prepare encryption for "buf" with block 0 "b0p". |
441 */ | |
442 static void | |
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443 ml_set_b0_crypt(buf_T *buf, ZERO_BL *b0p) |
2267 | 444 { |
445 if (*buf->b_p_key == NUL) | |
446 b0p->b0_id[1] = BLOCK0_ID1; | |
447 else | |
448 { | |
6122 | 449 int method_nr = crypt_get_method_nr(buf); |
450 | |
451 b0p->b0_id[1] = id1_codes[method_nr]; | |
452 if (method_nr > CRYPT_M_ZIP) | |
2267 | 453 { |
454 /* Generate a seed and store it in block 0 and in the memfile. */ | |
455 sha2_seed(&b0p->b0_seed, MF_SEED_LEN, NULL, 0); | |
456 mch_memmove(buf->b_ml.ml_mfp->mf_seed, &b0p->b0_seed, MF_SEED_LEN); | |
457 } | |
458 } | |
459 } | |
460 | |
461 /* | |
462 * Called after the crypt key or 'cryptmethod' was changed for "buf". | |
463 * Will apply this to the swapfile. | |
464 * "old_key" is the previous key. It is equal to buf->b_p_key when | |
465 * 'cryptmethod' is changed. | |
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466 * "old_cm" is the previous 'cryptmethod'. It is equal to the current |
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467 * 'cryptmethod' when 'key' is changed. |
2267 | 468 */ |
469 void | |
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470 ml_set_crypt_key( |
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471 buf_T *buf, |
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472 char_u *old_key, |
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473 char_u *old_cm) |
2267 | 474 { |
475 memfile_T *mfp = buf->b_ml.ml_mfp; | |
476 bhdr_T *hp; | |
477 int page_count; | |
478 int idx; | |
479 long error; | |
480 infoptr_T *ip; | |
481 PTR_BL *pp; | |
482 DATA_BL *dp; | |
483 blocknr_T bnum; | |
484 int top; | |
6817 | 485 int old_method; |
2267 | 486 |
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487 if (mfp == NULL) |
2267 | 488 return; /* no memfile yet, nothing to do */ |
6817 | 489 old_method = crypt_method_nr_from_name(old_cm); |
490 | |
491 /* First make sure the swapfile is in a consistent state, using the old | |
492 * key and method. */ | |
493 { | |
494 char_u *new_key = buf->b_p_key; | |
495 char_u *new_buf_cm = buf->b_p_cm; | |
496 | |
497 buf->b_p_key = old_key; | |
498 buf->b_p_cm = old_cm; | |
499 ml_preserve(buf, FALSE); | |
500 buf->b_p_key = new_key; | |
501 buf->b_p_cm = new_buf_cm; | |
502 } | |
2267 | 503 |
504 /* Set the key, method and seed to be used for reading, these must be the | |
505 * old values. */ | |
506 mfp->mf_old_key = old_key; | |
6817 | 507 mfp->mf_old_cm = old_method; |
508 if (old_method > 0 && *old_key != NUL) | |
2267 | 509 mch_memmove(mfp->mf_old_seed, mfp->mf_seed, MF_SEED_LEN); |
510 | |
511 /* Update block 0 with the crypt flag and may set a new seed. */ | |
512 ml_upd_block0(buf, UB_CRYPT); | |
513 | |
514 if (mfp->mf_infile_count > 2) | |
515 { | |
516 /* | |
517 * Need to read back all data blocks from disk, decrypt them with the | |
518 * old key/method and mark them to be written. The algorithm is | |
519 * similar to what happens in ml_recover(), but we skip negative block | |
520 * numbers. | |
521 */ | |
522 ml_flush_line(buf); /* flush buffered line */ | |
523 (void)ml_find_line(buf, (linenr_T)0, ML_FLUSH); /* flush locked block */ | |
524 | |
525 hp = NULL; | |
526 bnum = 1; /* start with block 1 */ | |
527 page_count = 1; /* which is 1 page */ | |
528 idx = 0; /* start with first index in block 1 */ | |
529 error = 0; | |
530 buf->b_ml.ml_stack_top = 0; | |
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531 VIM_CLEAR(buf->b_ml.ml_stack); |
2267 | 532 buf->b_ml.ml_stack_size = 0; /* no stack yet */ |
533 | |
534 for ( ; !got_int; line_breakcheck()) | |
535 { | |
536 if (hp != NULL) | |
537 mf_put(mfp, hp, FALSE, FALSE); /* release previous block */ | |
538 | |
539 /* get the block (pointer or data) */ | |
540 if ((hp = mf_get(mfp, (blocknr_T)bnum, page_count)) == NULL) | |
541 { | |
542 if (bnum == 1) | |
543 break; | |
544 ++error; | |
545 } | |
546 else | |
547 { | |
548 pp = (PTR_BL *)(hp->bh_data); | |
549 if (pp->pb_id == PTR_ID) /* it is a pointer block */ | |
550 { | |
551 if (pp->pb_count == 0) | |
552 { | |
553 /* empty block? */ | |
554 ++error; | |
555 } | |
556 else if (idx < (int)pp->pb_count) /* go a block deeper */ | |
557 { | |
558 if (pp->pb_pointer[idx].pe_bnum < 0) | |
559 { | |
6817 | 560 /* Skip data block with negative block number. |
561 * Should not happen, because of the ml_preserve() | |
562 * above. Get same block again for next index. */ | |
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563 ++idx; |
2267 | 564 continue; |
565 } | |
566 | |
567 /* going one block deeper in the tree, new entry in | |
568 * stack */ | |
569 if ((top = ml_add_stack(buf)) < 0) | |
570 { | |
571 ++error; | |
572 break; /* out of memory */ | |
573 } | |
574 ip = &(buf->b_ml.ml_stack[top]); | |
575 ip->ip_bnum = bnum; | |
576 ip->ip_index = idx; | |
577 | |
578 bnum = pp->pb_pointer[idx].pe_bnum; | |
579 page_count = pp->pb_pointer[idx].pe_page_count; | |
6817 | 580 idx = 0; |
2267 | 581 continue; |
582 } | |
583 } | |
584 else /* not a pointer block */ | |
585 { | |
586 dp = (DATA_BL *)(hp->bh_data); | |
587 if (dp->db_id != DATA_ID) /* block id wrong */ | |
588 ++error; | |
589 else | |
590 { | |
591 /* It is a data block, need to write it back to disk. */ | |
592 mf_put(mfp, hp, TRUE, FALSE); | |
593 hp = NULL; | |
594 } | |
595 } | |
596 } | |
597 | |
598 if (buf->b_ml.ml_stack_top == 0) /* finished */ | |
599 break; | |
600 | |
601 /* go one block up in the tree */ | |
602 ip = &(buf->b_ml.ml_stack[--(buf->b_ml.ml_stack_top)]); | |
603 bnum = ip->ip_bnum; | |
604 idx = ip->ip_index + 1; /* go to next index */ | |
605 page_count = 1; | |
606 } | |
6817 | 607 if (hp != NULL) |
608 mf_put(mfp, hp, FALSE, FALSE); /* release previous block */ | |
2657 | 609 |
610 if (error > 0) | |
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611 emsg(_("E843: Error while updating swap file crypt")); |
2267 | 612 } |
613 | |
614 mfp->mf_old_key = NULL; | |
615 } | |
616 #endif | |
617 | |
7 | 618 /* |
619 * ml_setname() is called when the file name of "buf" has been changed. | |
620 * It may rename the swap file. | |
621 */ | |
622 void | |
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623 ml_setname(buf_T *buf) |
7 | 624 { |
625 int success = FALSE; | |
626 memfile_T *mfp; | |
627 char_u *fname; | |
628 char_u *dirp; | |
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629 #if defined(MSWIN) |
7 | 630 char_u *p; |
631 #endif | |
632 | |
633 mfp = buf->b_ml.ml_mfp; | |
634 if (mfp->mf_fd < 0) /* there is no swap file yet */ | |
635 { | |
636 /* | |
637 * When 'updatecount' is 0 and 'noswapfile' there is no swap file. | |
638 * For help files we will make a swap file now. | |
639 */ | |
5737 | 640 if (p_uc != 0 && !cmdmod.noswapfile) |
7 | 641 ml_open_file(buf); /* create a swap file */ |
642 return; | |
643 } | |
644 | |
645 /* | |
646 * Try all directories in the 'directory' option. | |
647 */ | |
648 dirp = p_dir; | |
649 for (;;) | |
650 { | |
651 if (*dirp == NUL) /* tried all directories, fail */ | |
652 break; | |
43 | 653 fname = findswapname(buf, &dirp, mfp->mf_fname); |
654 /* alloc's fname */ | |
3158 | 655 if (dirp == NULL) /* out of memory */ |
656 break; | |
7 | 657 if (fname == NULL) /* no file name found for this dir */ |
658 continue; | |
659 | |
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660 #if defined(MSWIN) |
7 | 661 /* |
662 * Set full pathname for swap file now, because a ":!cd dir" may | |
663 * change directory without us knowing it. | |
664 */ | |
665 p = FullName_save(fname, FALSE); | |
666 vim_free(fname); | |
667 fname = p; | |
668 if (fname == NULL) | |
669 continue; | |
670 #endif | |
671 /* if the file name is the same we don't have to do anything */ | |
672 if (fnamecmp(fname, mfp->mf_fname) == 0) | |
673 { | |
674 vim_free(fname); | |
675 success = TRUE; | |
676 break; | |
677 } | |
678 /* need to close the swap file before renaming */ | |
679 if (mfp->mf_fd >= 0) | |
680 { | |
681 close(mfp->mf_fd); | |
682 mfp->mf_fd = -1; | |
683 } | |
684 | |
685 /* try to rename the swap file */ | |
686 if (vim_rename(mfp->mf_fname, fname) == 0) | |
687 { | |
688 success = TRUE; | |
689 vim_free(mfp->mf_fname); | |
690 mfp->mf_fname = fname; | |
691 vim_free(mfp->mf_ffname); | |
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692 #if defined(MSWIN) |
7 | 693 mfp->mf_ffname = NULL; /* mf_fname is full pathname already */ |
694 #else | |
695 mf_set_ffname(mfp); | |
696 #endif | |
2267 | 697 ml_upd_block0(buf, UB_SAME_DIR); |
7 | 698 break; |
699 } | |
700 vim_free(fname); /* this fname didn't work, try another */ | |
701 } | |
702 | |
703 if (mfp->mf_fd == -1) /* need to (re)open the swap file */ | |
704 { | |
705 mfp->mf_fd = mch_open((char *)mfp->mf_fname, O_RDWR | O_EXTRA, 0); | |
706 if (mfp->mf_fd < 0) | |
707 { | |
708 /* could not (re)open the swap file, what can we do???? */ | |
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709 emsg(_("E301: Oops, lost the swap file!!!")); |
7 | 710 return; |
711 } | |
2003 | 712 #ifdef HAVE_FD_CLOEXEC |
713 { | |
714 int fdflags = fcntl(mfp->mf_fd, F_GETFD); | |
715 if (fdflags >= 0 && (fdflags & FD_CLOEXEC) == 0) | |
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716 (void)fcntl(mfp->mf_fd, F_SETFD, fdflags | FD_CLOEXEC); |
2003 | 717 } |
718 #endif | |
7 | 719 } |
720 if (!success) | |
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721 emsg(_("E302: Could not rename swap file")); |
7 | 722 } |
723 | |
724 /* | |
725 * Open a file for the memfile for all buffers that are not readonly or have | |
726 * been modified. | |
727 * Used when 'updatecount' changes from zero to non-zero. | |
728 */ | |
729 void | |
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730 ml_open_files(void) |
7 | 731 { |
732 buf_T *buf; | |
733 | |
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734 FOR_ALL_BUFFERS(buf) |
7 | 735 if (!buf->b_p_ro || buf->b_changed) |
736 ml_open_file(buf); | |
737 } | |
738 | |
739 /* | |
740 * Open a swap file for an existing memfile, if there is no swap file yet. | |
741 * If we are unable to find a file name, mf_fname will be NULL | |
742 * and the memfile will be in memory only (no recovery possible). | |
743 */ | |
744 void | |
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745 ml_open_file(buf_T *buf) |
7 | 746 { |
747 memfile_T *mfp; | |
748 char_u *fname; | |
749 char_u *dirp; | |
750 | |
751 mfp = buf->b_ml.ml_mfp; | |
5737 | 752 if (mfp == NULL || mfp->mf_fd >= 0 || !buf->b_p_swf || cmdmod.noswapfile) |
7 | 753 return; /* nothing to do */ |
754 | |
748 | 755 #ifdef FEAT_SPELL |
625 | 756 /* For a spell buffer use a temp file name. */ |
757 if (buf->b_spell) | |
758 { | |
6721 | 759 fname = vim_tempname('s', FALSE); |
625 | 760 if (fname != NULL) |
761 (void)mf_open_file(mfp, fname); /* consumes fname! */ | |
762 buf->b_may_swap = FALSE; | |
763 return; | |
764 } | |
765 #endif | |
766 | |
7 | 767 /* |
768 * Try all directories in 'directory' option. | |
769 */ | |
770 dirp = p_dir; | |
771 for (;;) | |
772 { | |
773 if (*dirp == NUL) | |
774 break; | |
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775 /* There is a small chance that between choosing the swap file name |
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776 * and creating it, another Vim creates the file. In that case the |
7 | 777 * creation will fail and we will use another directory. */ |
43 | 778 fname = findswapname(buf, &dirp, NULL); /* allocates fname */ |
3158 | 779 if (dirp == NULL) |
780 break; /* out of memory */ | |
7 | 781 if (fname == NULL) |
782 continue; | |
783 if (mf_open_file(mfp, fname) == OK) /* consumes fname! */ | |
784 { | |
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785 #if defined(MSWIN) |
7 | 786 /* |
787 * set full pathname for swap file now, because a ":!cd dir" may | |
788 * change directory without us knowing it. | |
789 */ | |
790 mf_fullname(mfp); | |
791 #endif | |
2267 | 792 ml_upd_block0(buf, UB_SAME_DIR); |
39 | 793 |
7 | 794 /* Flush block zero, so others can read it */ |
795 if (mf_sync(mfp, MFS_ZERO) == OK) | |
630 | 796 { |
797 /* Mark all blocks that should be in the swapfile as dirty. | |
798 * Needed for when the 'swapfile' option was reset, so that | |
799 * the swap file was deleted, and then on again. */ | |
800 mf_set_dirty(mfp); | |
7 | 801 break; |
630 | 802 } |
7 | 803 /* Writing block 0 failed: close the file and try another dir */ |
804 mf_close_file(buf, FALSE); | |
805 } | |
806 } | |
807 | |
808 if (mfp->mf_fname == NULL) /* Failed! */ | |
809 { | |
810 need_wait_return = TRUE; /* call wait_return later */ | |
811 ++no_wait_return; | |
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812 (void)semsg(_("E303: Unable to open swap file for \"%s\", recovery impossible"), |
3839 | 813 buf_spname(buf) != NULL ? buf_spname(buf) : buf->b_fname); |
7 | 814 --no_wait_return; |
815 } | |
816 | |
817 /* don't try to open a swap file again */ | |
818 buf->b_may_swap = FALSE; | |
819 } | |
820 | |
821 /* | |
822 * If still need to create a swap file, and starting to edit a not-readonly | |
823 * file, or reading into an existing buffer, create a swap file now. | |
824 */ | |
825 void | |
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826 check_need_swap( |
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827 int newfile) // reading file into new buffer |
7 | 828 { |
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829 int old_msg_silent = msg_silent; // might be reset by an E325 message |
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830 |
7 | 831 if (curbuf->b_may_swap && (!curbuf->b_p_ro || !newfile)) |
832 ml_open_file(curbuf); | |
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833 msg_silent = old_msg_silent; |
7 | 834 } |
835 | |
836 /* | |
837 * Close memline for buffer 'buf'. | |
838 * If 'del_file' is TRUE, delete the swap file | |
839 */ | |
840 void | |
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841 ml_close(buf_T *buf, int del_file) |
7 | 842 { |
843 if (buf->b_ml.ml_mfp == NULL) /* not open */ | |
844 return; | |
845 mf_close(buf->b_ml.ml_mfp, del_file); /* close the .swp file */ | |
846 if (buf->b_ml.ml_line_lnum != 0 && (buf->b_ml.ml_flags & ML_LINE_DIRTY)) | |
847 vim_free(buf->b_ml.ml_line_ptr); | |
848 vim_free(buf->b_ml.ml_stack); | |
849 #ifdef FEAT_BYTEOFF | |
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850 VIM_CLEAR(buf->b_ml.ml_chunksize); |
7 | 851 #endif |
852 buf->b_ml.ml_mfp = NULL; | |
853 | |
854 /* Reset the "recovered" flag, give the ATTENTION prompt the next time | |
855 * this buffer is loaded. */ | |
856 buf->b_flags &= ~BF_RECOVERED; | |
857 } | |
858 | |
859 /* | |
860 * Close all existing memlines and memfiles. | |
861 * Only used when exiting. | |
862 * When 'del_file' is TRUE, delete the memfiles. | |
165 | 863 * But don't delete files that were ":preserve"d when we are POSIX compatible. |
7 | 864 */ |
865 void | |
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866 ml_close_all(int del_file) |
7 | 867 { |
868 buf_T *buf; | |
869 | |
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870 FOR_ALL_BUFFERS(buf) |
165 | 871 ml_close(buf, del_file && ((buf->b_flags & BF_PRESERVED) == 0 |
872 || vim_strchr(p_cpo, CPO_PRESERVE) == NULL)); | |
5519 | 873 #ifdef FEAT_SPELL |
874 spell_delete_wordlist(); /* delete the internal wordlist */ | |
875 #endif | |
7 | 876 #ifdef TEMPDIRNAMES |
5519 | 877 vim_deltempdir(); /* delete created temp directory */ |
7 | 878 #endif |
879 } | |
880 | |
881 /* | |
882 * Close all memfiles for not modified buffers. | |
883 * Only use just before exiting! | |
884 */ | |
885 void | |
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886 ml_close_notmod(void) |
7 | 887 { |
888 buf_T *buf; | |
889 | |
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890 FOR_ALL_BUFFERS(buf) |
7 | 891 if (!bufIsChanged(buf)) |
892 ml_close(buf, TRUE); /* close all not-modified buffers */ | |
893 } | |
894 | |
895 /* | |
896 * Update the timestamp in the .swp file. | |
897 * Used when the file has been written. | |
898 */ | |
899 void | |
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900 ml_timestamp(buf_T *buf) |
7 | 901 { |
2267 | 902 ml_upd_block0(buf, UB_FNAME); |
903 } | |
904 | |
905 /* | |
906 * Return FAIL when the ID of "b0p" is wrong. | |
907 */ | |
908 static int | |
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909 ml_check_b0_id(ZERO_BL *b0p) |
2267 | 910 { |
911 if (b0p->b0_id[0] != BLOCK0_ID0 | |
912 || (b0p->b0_id[1] != BLOCK0_ID1 | |
913 && b0p->b0_id[1] != BLOCK0_ID1_C0 | |
6122 | 914 && b0p->b0_id[1] != BLOCK0_ID1_C1 |
915 && b0p->b0_id[1] != BLOCK0_ID1_C2) | |
2267 | 916 ) |
917 return FAIL; | |
918 return OK; | |
39 | 919 } |
920 | |
921 /* | |
922 * Update the timestamp or the B0_SAME_DIR flag of the .swp file. | |
923 */ | |
924 static void | |
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925 ml_upd_block0(buf_T *buf, upd_block0_T what) |
39 | 926 { |
7 | 927 memfile_T *mfp; |
928 bhdr_T *hp; | |
929 ZERO_BL *b0p; | |
930 | |
931 mfp = buf->b_ml.ml_mfp; | |
6130 | 932 if (mfp == NULL) |
7 | 933 return; |
6130 | 934 hp = mf_get(mfp, (blocknr_T)0, 1); |
935 if (hp == NULL) | |
936 { | |
937 #ifdef FEAT_CRYPT | |
938 /* Possibly update the seed in the memfile before there is a block0. */ | |
939 if (what == UB_CRYPT) | |
940 ml_set_mfp_crypt(buf); | |
941 #endif | |
942 return; | |
943 } | |
944 | |
7 | 945 b0p = (ZERO_BL *)(hp->bh_data); |
2267 | 946 if (ml_check_b0_id(b0p) == FAIL) |
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947 iemsg(_("E304: ml_upd_block0(): Didn't get block 0??")); |
7 | 948 else |
39 | 949 { |
2267 | 950 if (what == UB_FNAME) |
39 | 951 set_b0_fname(b0p, buf); |
2267 | 952 #ifdef FEAT_CRYPT |
953 else if (what == UB_CRYPT) | |
954 ml_set_b0_crypt(buf, b0p); | |
955 #endif | |
956 else /* what == UB_SAME_DIR */ | |
39 | 957 set_b0_dir_flag(b0p, buf); |
958 } | |
7 | 959 mf_put(mfp, hp, TRUE, FALSE); |
960 } | |
961 | |
962 /* | |
963 * Write file name and timestamp into block 0 of a swap file. | |
964 * Also set buf->b_mtime. | |
965 * Don't use NameBuff[]!!! | |
966 */ | |
967 static void | |
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968 set_b0_fname(ZERO_BL *b0p, buf_T *buf) |
7 | 969 { |
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970 stat_T st; |
7 | 971 |
972 if (buf->b_ffname == NULL) | |
973 b0p->b0_fname[0] = NUL; | |
974 else | |
975 { | |
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976 #if defined(MSWIN) || defined(AMIGA) |
39 | 977 /* Systems that cannot translate "~user" back into a path: copy the |
978 * file name unmodified. Do use slashes instead of backslashes for | |
979 * portability. */ | |
2267 | 980 vim_strncpy(b0p->b0_fname, buf->b_ffname, B0_FNAME_SIZE_CRYPT - 1); |
39 | 981 # ifdef BACKSLASH_IN_FILENAME |
982 forward_slash(b0p->b0_fname); | |
983 # endif | |
7 | 984 #else |
985 size_t flen, ulen; | |
986 char_u uname[B0_UNAME_SIZE]; | |
987 | |
988 /* | |
989 * For a file under the home directory of the current user, we try to | |
990 * replace the home directory path with "~user". This helps when | |
991 * editing the same file on different machines over a network. | |
992 * First replace home dir path with "~/" with home_replace(). | |
993 * Then insert the user name to get "~user/". | |
994 */ | |
2267 | 995 home_replace(NULL, buf->b_ffname, b0p->b0_fname, |
996 B0_FNAME_SIZE_CRYPT, TRUE); | |
7 | 997 if (b0p->b0_fname[0] == '~') |
998 { | |
999 flen = STRLEN(b0p->b0_fname); | |
1000 /* If there is no user name or it is too long, don't use "~/" */ | |
1001 if (get_user_name(uname, B0_UNAME_SIZE) == FAIL | |
2267 | 1002 || (ulen = STRLEN(uname)) + flen > B0_FNAME_SIZE_CRYPT - 1) |
1003 vim_strncpy(b0p->b0_fname, buf->b_ffname, | |
1004 B0_FNAME_SIZE_CRYPT - 1); | |
7 | 1005 else |
1006 { | |
1007 mch_memmove(b0p->b0_fname + ulen + 1, b0p->b0_fname + 1, flen); | |
1008 mch_memmove(b0p->b0_fname + 1, uname, ulen); | |
1009 } | |
1010 } | |
1011 #endif | |
1012 if (mch_stat((char *)buf->b_ffname, &st) >= 0) | |
1013 { | |
1014 long_to_char((long)st.st_mtime, b0p->b0_mtime); | |
1015 #ifdef CHECK_INODE | |
1016 long_to_char((long)st.st_ino, b0p->b0_ino); | |
1017 #endif | |
1018 buf_store_time(buf, &st, buf->b_ffname); | |
1019 buf->b_mtime_read = buf->b_mtime; | |
1020 } | |
1021 else | |
1022 { | |
1023 long_to_char(0L, b0p->b0_mtime); | |
1024 #ifdef CHECK_INODE | |
1025 long_to_char(0L, b0p->b0_ino); | |
1026 #endif | |
1027 buf->b_mtime = 0; | |
1028 buf->b_mtime_read = 0; | |
1029 buf->b_orig_size = 0; | |
1030 buf->b_orig_mode = 0; | |
1031 } | |
1032 } | |
39 | 1033 |
1034 /* Also add the 'fileencoding' if there is room. */ | |
1035 add_b0_fenc(b0p, curbuf); | |
7 | 1036 } |
1037 | |
1038 /* | |
39 | 1039 * Update the B0_SAME_DIR flag of the swap file. It's set if the file and the |
1040 * swapfile for "buf" are in the same directory. | |
1041 * This is fail safe: if we are not sure the directories are equal the flag is | |
1042 * not set. | |
1043 */ | |
1044 static void | |
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1045 set_b0_dir_flag(ZERO_BL *b0p, buf_T *buf) |
39 | 1046 { |
1047 if (same_directory(buf->b_ml.ml_mfp->mf_fname, buf->b_ffname)) | |
1048 b0p->b0_flags |= B0_SAME_DIR; | |
1049 else | |
1050 b0p->b0_flags &= ~B0_SAME_DIR; | |
1051 } | |
1052 | |
1053 /* | |
1054 * When there is room, add the 'fileencoding' to block zero. | |
1055 */ | |
1056 static void | |
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1057 add_b0_fenc( |
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1058 ZERO_BL *b0p, |
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1059 buf_T *buf) |
39 | 1060 { |
1061 int n; | |
2267 | 1062 int size = B0_FNAME_SIZE_NOCRYPT; |
1063 | |
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1064 #ifdef FEAT_CRYPT |
2267 | 1065 /* Without encryption use the same offset as in Vim 7.2 to be compatible. |
1066 * With encryption it's OK to move elsewhere, the swap file is not | |
1067 * compatible anyway. */ | |
1068 if (*buf->b_p_key != NUL) | |
1069 size = B0_FNAME_SIZE_CRYPT; | |
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1070 #endif |
39 | 1071 |
835 | 1072 n = (int)STRLEN(buf->b_p_fenc); |
2267 | 1073 if ((int)STRLEN(b0p->b0_fname) + n + 1 > size) |
39 | 1074 b0p->b0_flags &= ~B0_HAS_FENC; |
1075 else | |
1076 { | |
2267 | 1077 mch_memmove((char *)b0p->b0_fname + size - n, |
39 | 1078 (char *)buf->b_p_fenc, (size_t)n); |
2267 | 1079 *(b0p->b0_fname + size - n - 1) = NUL; |
39 | 1080 b0p->b0_flags |= B0_HAS_FENC; |
1081 } | |
1082 } | |
1083 | |
1084 | |
1085 /* | |
2267 | 1086 * Try to recover curbuf from the .swp file. |
7 | 1087 */ |
1088 void | |
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1089 ml_recover(void) |
7 | 1090 { |
1091 buf_T *buf = NULL; | |
1092 memfile_T *mfp = NULL; | |
1093 char_u *fname; | |
2267 | 1094 char_u *fname_used = NULL; |
7 | 1095 bhdr_T *hp = NULL; |
1096 ZERO_BL *b0p; | |
39 | 1097 int b0_ff; |
1098 char_u *b0_fenc = NULL; | |
2267 | 1099 #ifdef FEAT_CRYPT |
1100 int b0_cm = -1; | |
1101 #endif | |
7 | 1102 PTR_BL *pp; |
1103 DATA_BL *dp; | |
1104 infoptr_T *ip; | |
1105 blocknr_T bnum; | |
1106 int page_count; | |
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1107 stat_T org_stat, swp_stat; |
7 | 1108 int len; |
1109 int directly; | |
1110 linenr_T lnum; | |
1111 char_u *p; | |
1112 int i; | |
1113 long error; | |
1114 int cannot_open; | |
1115 linenr_T line_count; | |
1116 int has_error; | |
1117 int idx; | |
1118 int top; | |
1119 int txt_start; | |
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1120 off_T size; |
7 | 1121 int called_from_main; |
1122 int serious_error = TRUE; | |
1123 long mtime; | |
1124 int attr; | |
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1125 int orig_file_status = NOTDONE; |
7 | 1126 |
1127 recoverymode = TRUE; | |
1128 called_from_main = (curbuf->b_ml.ml_mfp == NULL); | |
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1129 attr = HL_ATTR(HLF_E); |
1975 | 1130 |
1131 /* | |
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1132 * If the file name ends in ".s[a-w][a-z]" we assume this is the swap file. |
1975 | 1133 * Otherwise a search is done to find the swap file(s). |
1134 */ | |
7 | 1135 fname = curbuf->b_fname; |
1136 if (fname == NULL) /* When there is no file name */ | |
1137 fname = (char_u *)""; | |
1138 len = (int)STRLEN(fname); | |
1139 if (len >= 4 && | |
2823 | 1140 #if defined(VMS) |
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1141 STRNICMP(fname + len - 4, "_s", 2) |
7 | 1142 #else |
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1143 STRNICMP(fname + len - 4, ".s", 2) |
7 | 1144 #endif |
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1145 == 0 |
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1147 TOLOWER_ASC(fname[len - 2])) != NULL |
1975 | 1148 && ASCII_ISALPHA(fname[len - 1])) |
7 | 1149 { |
1150 directly = TRUE; | |
2267 | 1151 fname_used = vim_strsave(fname); /* make a copy for mf_open() */ |
7 | 1152 } |
1153 else | |
1154 { | |
1155 directly = FALSE; | |
1156 | |
1157 /* count the number of matching swap files */ | |
2267 | 1158 len = recover_names(fname, FALSE, 0, NULL); |
7 | 1159 if (len == 0) /* no swap files found */ |
1160 { | |
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1161 semsg(_("E305: No swap file found for %s"), fname); |
7 | 1162 goto theend; |
1163 } | |
1164 if (len == 1) /* one swap file found, use it */ | |
1165 i = 1; | |
1166 else /* several swap files found, choose */ | |
1167 { | |
1168 /* list the names of the swap files */ | |
2267 | 1169 (void)recover_names(fname, TRUE, 0, NULL); |
7 | 1170 msg_putchar('\n'); |
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1171 msg_puts(_("Enter number of swap file to use (0 to quit): ")); |
374 | 1172 i = get_number(FALSE, NULL); |
7 | 1173 if (i < 1 || i > len) |
1174 goto theend; | |
1175 } | |
1176 /* get the swap file name that will be used */ | |
2267 | 1177 (void)recover_names(fname, FALSE, i, &fname_used); |
7 | 1178 } |
2267 | 1179 if (fname_used == NULL) |
7 | 1180 goto theend; /* out of memory */ |
1181 | |
1182 /* When called from main() still need to initialize storage structure */ | |
625 | 1183 if (called_from_main && ml_open(curbuf) == FAIL) |
7 | 1184 getout(1); |
1185 | |
2267 | 1186 /* |
1187 * Allocate a buffer structure for the swap file that is used for recovery. | |
2407
6bc102a4bff8
Fix memory access to 'cryptmethod' during recovery. (Dominique Pelle)
Bram Moolenaar <bram@vim.org>
parents:
2394
diff
changeset
|
1188 * Only the memline and crypt information in it are really used. |
2267 | 1189 */ |
7 | 1190 buf = (buf_T *)alloc((unsigned)sizeof(buf_T)); |
1191 if (buf == NULL) | |
1192 goto theend; | |
2267 | 1193 |
1194 /* | |
1195 * init fields in memline struct | |
1196 */ | |
7 | 1197 buf->b_ml.ml_stack_size = 0; /* no stack yet */ |
1198 buf->b_ml.ml_stack = NULL; /* no stack yet */ | |
1199 buf->b_ml.ml_stack_top = 0; /* nothing in the stack */ | |
1200 buf->b_ml.ml_line_lnum = 0; /* no cached line */ | |
1201 buf->b_ml.ml_locked = NULL; /* no locked block */ | |
1202 buf->b_ml.ml_flags = 0; | |
2408
9e2e63af1641
Better fix for memory access in recovery. (Dominique Pelle)
Bram Moolenaar <bram@vim.org>
parents:
2407
diff
changeset
|
1203 #ifdef FEAT_CRYPT |
9e2e63af1641
Better fix for memory access in recovery. (Dominique Pelle)
Bram Moolenaar <bram@vim.org>
parents:
2407
diff
changeset
|
1204 buf->b_p_key = empty_option; |
9e2e63af1641
Better fix for memory access in recovery. (Dominique Pelle)
Bram Moolenaar <bram@vim.org>
parents:
2407
diff
changeset
|
1205 buf->b_p_cm = empty_option; |
9e2e63af1641
Better fix for memory access in recovery. (Dominique Pelle)
Bram Moolenaar <bram@vim.org>
parents:
2407
diff
changeset
|
1206 #endif |
7 | 1207 |
2267 | 1208 /* |
1209 * open the memfile from the old swap file | |
1210 */ | |
1211 p = vim_strsave(fname_used); /* save "fname_used" for the message: | |
1212 mf_open() will consume "fname_used"! */ | |
1213 mfp = mf_open(fname_used, O_RDONLY); | |
1214 fname_used = p; | |
7 | 1215 if (mfp == NULL || mfp->mf_fd < 0) |
1216 { | |
2267 | 1217 if (fname_used != NULL) |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
1218 semsg(_("E306: Cannot open %s"), fname_used); |
7 | 1219 goto theend; |
1220 } | |
1221 buf->b_ml.ml_mfp = mfp; | |
2267 | 1222 #ifdef FEAT_CRYPT |
1223 mfp->mf_buffer = buf; | |
1224 #endif | |
7 | 1225 |
1226 /* | |
1227 * The page size set in mf_open() might be different from the page size | |
1228 * used in the swap file, we must get it from block 0. But to read block | |
1229 * 0 we need a page size. Use the minimal size for block 0 here, it will | |
1230 * be set to the real value below. | |
1231 */ | |
1232 mfp->mf_page_size = MIN_SWAP_PAGE_SIZE; | |
1233 | |
2267 | 1234 /* |
1235 * try to read block 0 | |
1236 */ | |
7 | 1237 if ((hp = mf_get(mfp, (blocknr_T)0, 1)) == NULL) |
1238 { | |
1239 msg_start(); | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
1240 msg_puts_attr(_("Unable to read block 0 from "), attr | MSG_HIST); |
7 | 1241 msg_outtrans_attr(mfp->mf_fname, attr | MSG_HIST); |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
1242 msg_puts_attr(_("\nMaybe no changes were made or Vim did not update the swap file."), |
7 | 1243 attr | MSG_HIST); |
1244 msg_end(); | |
1245 goto theend; | |
1246 } | |
1247 b0p = (ZERO_BL *)(hp->bh_data); | |
1248 if (STRNCMP(b0p->b0_version, "VIM 3.0", 7) == 0) | |
1249 { | |
1250 msg_start(); | |
1251 msg_outtrans_attr(mfp->mf_fname, MSG_HIST); | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
1252 msg_puts_attr(_(" cannot be used with this version of Vim.\n"), |
7 | 1253 MSG_HIST); |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
1254 msg_puts_attr(_("Use Vim version 3.0.\n"), MSG_HIST); |
7 | 1255 msg_end(); |
1256 goto theend; | |
1257 } | |
2267 | 1258 if (ml_check_b0_id(b0p) == FAIL) |
7 | 1259 { |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
1260 semsg(_("E307: %s does not look like a Vim swap file"), mfp->mf_fname); |
7 | 1261 goto theend; |
1262 } | |
1263 if (b0_magic_wrong(b0p)) | |
1264 { | |
1265 msg_start(); | |
1266 msg_outtrans_attr(mfp->mf_fname, attr | MSG_HIST); | |
8212
05b88224cea1
commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents:
7961
diff
changeset
|
1267 #if defined(MSWIN) |
7 | 1268 if (STRNCMP(b0p->b0_hname, "PC ", 3) == 0) |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
1269 msg_puts_attr(_(" cannot be used with this version of Vim.\n"), |
7 | 1270 attr | MSG_HIST); |
1271 else | |
1272 #endif | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1273 msg_puts_attr(_(" cannot be used on this computer.\n"), |
7 | 1274 attr | MSG_HIST); |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
1275 msg_puts_attr(_("The file was created on "), attr | MSG_HIST); |
2273
7f09ce7b4126
Fix a memory leak in encryption. (Dominique Pelle)
Bram Moolenaar <bram@vim.org>
parents:
2272
diff
changeset
|
1276 /* avoid going past the end of a corrupted hostname */ |
7 | 1277 b0p->b0_fname[0] = NUL; |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
1278 msg_puts_attr((char *)b0p->b0_hname, attr | MSG_HIST); |
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
1279 msg_puts_attr(_(",\nor the file has been damaged."), attr | MSG_HIST); |
7 | 1280 msg_end(); |
1281 goto theend; | |
1282 } | |
1105 | 1283 |
2267 | 1284 #ifdef FEAT_CRYPT |
6122 | 1285 for (i = 0; i < (int)(sizeof(id1_codes) / sizeof(int)); ++i) |
1286 if (id1_codes[i] == b0p->b0_id[1]) | |
1287 b0_cm = i; | |
1288 if (b0_cm > 0) | |
2267 | 1289 mch_memmove(mfp->mf_seed, &b0p->b0_seed, MF_SEED_LEN); |
6122 | 1290 crypt_set_cm_option(buf, b0_cm < 0 ? 0 : b0_cm); |
2267 | 1291 #else |
1292 if (b0p->b0_id[1] != BLOCK0_ID1) | |
1293 { | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
1294 semsg(_("E833: %s is encrypted and this version of Vim does not support encryption"), mfp->mf_fname); |
2267 | 1295 goto theend; |
1296 } | |
1297 #endif | |
1298 | |
7 | 1299 /* |
1300 * If we guessed the wrong page size, we have to recalculate the | |
1301 * highest block number in the file. | |
1302 */ | |
1303 if (mfp->mf_page_size != (unsigned)char_to_long(b0p->b0_page_size)) | |
1304 { | |
1105 | 1305 unsigned previous_page_size = mfp->mf_page_size; |
1306 | |
7 | 1307 mf_new_page_size(mfp, (unsigned)char_to_long(b0p->b0_page_size)); |
1105 | 1308 if (mfp->mf_page_size < previous_page_size) |
1309 { | |
1310 msg_start(); | |
1311 msg_outtrans_attr(mfp->mf_fname, attr | MSG_HIST); | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
1312 msg_puts_attr(_(" has been damaged (page size is smaller than minimum value).\n"), |
1105 | 1313 attr | MSG_HIST); |
1314 msg_end(); | |
1315 goto theend; | |
1316 } | |
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9295
diff
changeset
|
1317 if ((size = vim_lseek(mfp->mf_fd, (off_T)0L, SEEK_END)) <= 0) |
7 | 1318 mfp->mf_blocknr_max = 0; /* no file or empty file */ |
1319 else | |
1320 mfp->mf_blocknr_max = (blocknr_T)(size / mfp->mf_page_size); | |
1321 mfp->mf_infile_count = mfp->mf_blocknr_max; | |
1105 | 1322 |
1323 /* need to reallocate the memory used to store the data */ | |
1324 p = alloc(mfp->mf_page_size); | |
1325 if (p == NULL) | |
1326 goto theend; | |
1327 mch_memmove(p, hp->bh_data, previous_page_size); | |
1328 vim_free(hp->bh_data); | |
1329 hp->bh_data = p; | |
1330 b0p = (ZERO_BL *)(hp->bh_data); | |
7 | 1331 } |
1332 | |
2267 | 1333 /* |
1334 * If .swp file name given directly, use name from swap file for buffer. | |
1335 */ | |
7 | 1336 if (directly) |
1337 { | |
1338 expand_env(b0p->b0_fname, NameBuff, MAXPATHL); | |
1339 if (setfname(curbuf, NameBuff, NULL, TRUE) == FAIL) | |
1340 goto theend; | |
1341 } | |
1342 | |
1343 home_replace(NULL, mfp->mf_fname, NameBuff, MAXPATHL, TRUE); | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
1344 smsg(_("Using swap file \"%s\""), NameBuff); |
7 | 1345 |
1346 if (buf_spname(curbuf) != NULL) | |
3839 | 1347 vim_strncpy(NameBuff, buf_spname(curbuf), MAXPATHL - 1); |
7 | 1348 else |
1349 home_replace(NULL, curbuf->b_ffname, NameBuff, MAXPATHL, TRUE); | |
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Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1350 smsg(_("Original file \"%s\""), NameBuff); |
7 | 1351 msg_putchar('\n'); |
1352 | |
2267 | 1353 /* |
1354 * check date of swap file and original file | |
1355 */ | |
7 | 1356 mtime = char_to_long(b0p->b0_mtime); |
1357 if (curbuf->b_ffname != NULL | |
1358 && mch_stat((char *)curbuf->b_ffname, &org_stat) != -1 | |
1359 && ((mch_stat((char *)mfp->mf_fname, &swp_stat) != -1 | |
1360 && org_stat.st_mtime > swp_stat.st_mtime) | |
1361 || org_stat.st_mtime != mtime)) | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
1362 emsg(_("E308: Warning: Original file may have been changed")); |
7 | 1363 out_flush(); |
39 | 1364 |
1365 /* Get the 'fileformat' and 'fileencoding' from block zero. */ | |
1366 b0_ff = (b0p->b0_flags & B0_FF_MASK); | |
1367 if (b0p->b0_flags & B0_HAS_FENC) | |
1368 { | |
2271
2b33a7678e7b
Fix compiler warnings for shadowed variables. Make 'conceal' a long instead
Bram Moolenaar <bram@vim.org>
parents:
2267
diff
changeset
|
1369 int fnsize = B0_FNAME_SIZE_NOCRYPT; |
2267 | 1370 |
1371 #ifdef FEAT_CRYPT | |
1372 /* Use the same size as in add_b0_fenc(). */ | |
1373 if (b0p->b0_id[1] != BLOCK0_ID1) | |
2271
2b33a7678e7b
Fix compiler warnings for shadowed variables. Make 'conceal' a long instead
Bram Moolenaar <bram@vim.org>
parents:
2267
diff
changeset
|
1374 fnsize = B0_FNAME_SIZE_CRYPT; |
2267 | 1375 #endif |
2271
2b33a7678e7b
Fix compiler warnings for shadowed variables. Make 'conceal' a long instead
Bram Moolenaar <bram@vim.org>
parents:
2267
diff
changeset
|
1376 for (p = b0p->b0_fname + fnsize; p > b0p->b0_fname && p[-1] != NUL; --p) |
39 | 1377 ; |
2271
2b33a7678e7b
Fix compiler warnings for shadowed variables. Make 'conceal' a long instead
Bram Moolenaar <bram@vim.org>
parents:
2267
diff
changeset
|
1378 b0_fenc = vim_strnsave(p, (int)(b0p->b0_fname + fnsize - p)); |
39 | 1379 } |
1380 | |
7 | 1381 mf_put(mfp, hp, FALSE, FALSE); /* release block 0 */ |
1382 hp = NULL; | |
1383 | |
1384 /* | |
1385 * Now that we are sure that the file is going to be recovered, clear the | |
1386 * contents of the current buffer. | |
1387 */ | |
1388 while (!(curbuf->b_ml.ml_flags & ML_EMPTY)) | |
1389 ml_delete((linenr_T)1, FALSE); | |
1390 | |
1391 /* | |
1392 * Try reading the original file to obtain the values of 'fileformat', | |
1393 * 'fileencoding', etc. Ignore errors. The text itself is not used. | |
2267 | 1394 * When the file is encrypted the user is asked to enter the key. |
7 | 1395 */ |
1396 if (curbuf->b_ffname != NULL) | |
2162
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents:
2145
diff
changeset
|
1397 orig_file_status = readfile(curbuf->b_ffname, NULL, (linenr_T)0, |
7 | 1398 (linenr_T)0, (linenr_T)MAXLNUM, NULL, READ_NEW); |
1399 | |
2267 | 1400 #ifdef FEAT_CRYPT |
1401 if (b0_cm >= 0) | |
1402 { | |
1403 /* Need to ask the user for the crypt key. If this fails we continue | |
1404 * without a key, will probably get garbage text. */ | |
1405 if (*curbuf->b_p_key != NUL) | |
1406 { | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
1407 smsg(_("Swap file is encrypted: \"%s\""), fname_used); |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
1408 msg_puts(_("\nIf you entered a new crypt key but did not write the text file,")); |
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
1409 msg_puts(_("\nenter the new crypt key.")); |
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
1410 msg_puts(_("\nIf you wrote the text file after changing the crypt key press enter")); |
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
1411 msg_puts(_("\nto use the same key for text file and swap file")); |
2267 | 1412 } |
1413 else | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
1414 smsg(_(need_key_msg), fname_used); |
6122 | 1415 buf->b_p_key = crypt_get_key(FALSE, FALSE); |
2267 | 1416 if (buf->b_p_key == NULL) |
1417 buf->b_p_key = curbuf->b_p_key; | |
1418 else if (*buf->b_p_key == NUL) | |
1419 { | |
1420 vim_free(buf->b_p_key); | |
1421 buf->b_p_key = curbuf->b_p_key; | |
1422 } | |
1423 if (buf->b_p_key == NULL) | |
1424 buf->b_p_key = empty_option; | |
2165
733f0dc510c3
Undo changes that are meant for the Vim 7.3 branch.
Bram Moolenaar <bram@vim.org>
parents:
2162
diff
changeset
|
1425 } |
2267 | 1426 #endif |
7 | 1427 |
39 | 1428 /* Use the 'fileformat' and 'fileencoding' as stored in the swap file. */ |
1429 if (b0_ff != 0) | |
1430 set_fileformat(b0_ff - 1, OPT_LOCAL); | |
1431 if (b0_fenc != NULL) | |
1432 { | |
1433 set_option_value((char_u *)"fenc", 0L, b0_fenc, OPT_LOCAL); | |
1434 vim_free(b0_fenc); | |
1435 } | |
1436 unchanged(curbuf, TRUE); | |
1437 | |
7 | 1438 bnum = 1; /* start with block 1 */ |
1439 page_count = 1; /* which is 1 page */ | |
1440 lnum = 0; /* append after line 0 in curbuf */ | |
1441 line_count = 0; | |
1442 idx = 0; /* start with first index in block 1 */ | |
1443 error = 0; | |
1444 buf->b_ml.ml_stack_top = 0; | |
1445 buf->b_ml.ml_stack = NULL; | |
1446 buf->b_ml.ml_stack_size = 0; /* no stack yet */ | |
1447 | |
1448 if (curbuf->b_ffname == NULL) | |
1449 cannot_open = TRUE; | |
1450 else | |
1451 cannot_open = FALSE; | |
1452 | |
1453 serious_error = FALSE; | |
1454 for ( ; !got_int; line_breakcheck()) | |
1455 { | |
1456 if (hp != NULL) | |
1457 mf_put(mfp, hp, FALSE, FALSE); /* release previous block */ | |
1458 | |
1459 /* | |
1460 * get block | |
1461 */ | |
1462 if ((hp = mf_get(mfp, (blocknr_T)bnum, page_count)) == NULL) | |
1463 { | |
1464 if (bnum == 1) | |
1465 { | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
1466 semsg(_("E309: Unable to read block 1 from %s"), mfp->mf_fname); |
7 | 1467 goto theend; |
1468 } | |
1469 ++error; | |
1470 ml_append(lnum++, (char_u *)_("???MANY LINES MISSING"), | |
1471 (colnr_T)0, TRUE); | |
1472 } | |
1473 else /* there is a block */ | |
1474 { | |
1475 pp = (PTR_BL *)(hp->bh_data); | |
1476 if (pp->pb_id == PTR_ID) /* it is a pointer block */ | |
1477 { | |
1478 /* check line count when using pointer block first time */ | |
1479 if (idx == 0 && line_count != 0) | |
1480 { | |
1481 for (i = 0; i < (int)pp->pb_count; ++i) | |
1482 line_count -= pp->pb_pointer[i].pe_line_count; | |
1483 if (line_count != 0) | |
1484 { | |
1485 ++error; | |
1486 ml_append(lnum++, (char_u *)_("???LINE COUNT WRONG"), | |
1487 (colnr_T)0, TRUE); | |
1488 } | |
1489 } | |
1490 | |
1491 if (pp->pb_count == 0) | |
1492 { | |
1493 ml_append(lnum++, (char_u *)_("???EMPTY BLOCK"), | |
1494 (colnr_T)0, TRUE); | |
1495 ++error; | |
1496 } | |
1497 else if (idx < (int)pp->pb_count) /* go a block deeper */ | |
1498 { | |
1499 if (pp->pb_pointer[idx].pe_bnum < 0) | |
1500 { | |
1501 /* | |
1502 * Data block with negative block number. | |
1503 * Try to read lines from the original file. | |
1504 * This is slow, but it works. | |
1505 */ | |
1506 if (!cannot_open) | |
1507 { | |
1508 line_count = pp->pb_pointer[idx].pe_line_count; | |
1509 if (readfile(curbuf->b_ffname, NULL, lnum, | |
1510 pp->pb_pointer[idx].pe_old_lnum - 1, | |
10575
01a5f64a7a20
patch 8.0.0177: BufEnter autocommand not fired for a directory
Christian Brabandt <cb@256bit.org>
parents:
10359
diff
changeset
|
1511 line_count, NULL, 0) != OK) |
7 | 1512 cannot_open = TRUE; |
1513 else | |
1514 lnum += line_count; | |
1515 } | |
1516 if (cannot_open) | |
1517 { | |
1518 ++error; | |
1519 ml_append(lnum++, (char_u *)_("???LINES MISSING"), | |
1520 (colnr_T)0, TRUE); | |
1521 } | |
1522 ++idx; /* get same block again for next index */ | |
1523 continue; | |
1524 } | |
1525 | |
1526 /* | |
1527 * going one block deeper in the tree | |
1528 */ | |
1529 if ((top = ml_add_stack(buf)) < 0) /* new entry in stack */ | |
1530 { | |
1531 ++error; | |
1532 break; /* out of memory */ | |
1533 } | |
1534 ip = &(buf->b_ml.ml_stack[top]); | |
1535 ip->ip_bnum = bnum; | |
1536 ip->ip_index = idx; | |
1537 | |
1538 bnum = pp->pb_pointer[idx].pe_bnum; | |
1539 line_count = pp->pb_pointer[idx].pe_line_count; | |
1540 page_count = pp->pb_pointer[idx].pe_page_count; | |
2885 | 1541 idx = 0; |
7 | 1542 continue; |
1543 } | |
1544 } | |
1545 else /* not a pointer block */ | |
1546 { | |
1547 dp = (DATA_BL *)(hp->bh_data); | |
1548 if (dp->db_id != DATA_ID) /* block id wrong */ | |
1549 { | |
1550 if (bnum == 1) | |
1551 { | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
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15361
diff
changeset
|
1552 semsg(_("E310: Block 1 ID wrong (%s not a .swp file?)"), |
7 | 1553 mfp->mf_fname); |
1554 goto theend; | |
1555 } | |
1556 ++error; | |
1557 ml_append(lnum++, (char_u *)_("???BLOCK MISSING"), | |
1558 (colnr_T)0, TRUE); | |
1559 } | |
1560 else | |
1561 { | |
1562 /* | |
1563 * it is a data block | |
1564 * Append all the lines in this block | |
1565 */ | |
1566 has_error = FALSE; | |
1567 /* | |
1568 * check length of block | |
1569 * if wrong, use length in pointer block | |
1570 */ | |
1571 if (page_count * mfp->mf_page_size != dp->db_txt_end) | |
1572 { | |
1573 ml_append(lnum++, (char_u *)_("??? from here until ???END lines may be messed up"), | |
1574 (colnr_T)0, TRUE); | |
1575 ++error; | |
1576 has_error = TRUE; | |
1577 dp->db_txt_end = page_count * mfp->mf_page_size; | |
1578 } | |
1579 | |
1580 /* make sure there is a NUL at the end of the block */ | |
1581 *((char_u *)dp + dp->db_txt_end - 1) = NUL; | |
1582 | |
1583 /* | |
1584 * check number of lines in block | |
1585 * if wrong, use count in data block | |
1586 */ | |
1587 if (line_count != dp->db_line_count) | |
1588 { | |
1589 ml_append(lnum++, (char_u *)_("??? from here until ???END lines may have been inserted/deleted"), | |
1590 (colnr_T)0, TRUE); | |
1591 ++error; | |
1592 has_error = TRUE; | |
1593 } | |
1594 | |
1595 for (i = 0; i < dp->db_line_count; ++i) | |
1596 { | |
1597 txt_start = (dp->db_index[i] & DB_INDEX_MASK); | |
1978 | 1598 if (txt_start <= (int)HEADER_SIZE |
7 | 1599 || txt_start >= (int)dp->db_txt_end) |
1600 { | |
1601 p = (char_u *)"???"; | |
1602 ++error; | |
1603 } | |
1604 else | |
1605 p = (char_u *)dp + txt_start; | |
1606 ml_append(lnum++, p, (colnr_T)0, TRUE); | |
1607 } | |
1608 if (has_error) | |
1978 | 1609 ml_append(lnum++, (char_u *)_("???END"), |
1610 (colnr_T)0, TRUE); | |
7 | 1611 } |
1612 } | |
1613 } | |
1614 | |
1615 if (buf->b_ml.ml_stack_top == 0) /* finished */ | |
1616 break; | |
1617 | |
1618 /* | |
1619 * go one block up in the tree | |
1620 */ | |
1621 ip = &(buf->b_ml.ml_stack[--(buf->b_ml.ml_stack_top)]); | |
1622 bnum = ip->ip_bnum; | |
1623 idx = ip->ip_index + 1; /* go to next index */ | |
1624 page_count = 1; | |
1625 } | |
1626 | |
1627 /* | |
2162
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1628 * Compare the buffer contents with the original file. When they differ |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1629 * set the 'modified' flag. |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
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parents:
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diff
changeset
|
1630 * Lines 1 - lnum are the new contents. |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1631 * Lines lnum + 1 to ml_line_count are the original contents. |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1632 * Line ml_line_count + 1 in the dummy empty line. |
7 | 1633 */ |
2162
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
1634 if (orig_file_status != OK || curbuf->b_ml.ml_line_count != lnum * 2 + 1) |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents:
2145
diff
changeset
|
1635 { |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1636 /* Recovering an empty file results in two lines and the first line is |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1637 * empty. Don't set the modified flag then. */ |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
1638 if (!(curbuf->b_ml.ml_line_count == 2 && *ml_get(1) == NUL)) |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1639 { |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1640 changed_int(); |
10952
835604f3c37a
patch 8.0.0365: might free a dict item that wasn't allocated
Christian Brabandt <cb@256bit.org>
parents:
10896
diff
changeset
|
1641 ++CHANGEDTICK(curbuf); |
2162
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
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parents:
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diff
changeset
|
1642 } |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
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diff
changeset
|
1643 } |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1644 else |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
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parents:
2145
diff
changeset
|
1645 { |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
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parents:
2145
diff
changeset
|
1646 for (idx = 1; idx <= lnum; ++idx) |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1647 { |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
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parents:
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diff
changeset
|
1648 /* Need to copy one line, fetching the other one may flush it. */ |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents:
2145
diff
changeset
|
1649 p = vim_strsave(ml_get(idx)); |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents:
2145
diff
changeset
|
1650 i = STRCMP(p, ml_get(idx + lnum)); |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents:
2145
diff
changeset
|
1651 vim_free(p); |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
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parents:
2145
diff
changeset
|
1652 if (i != 0) |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
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parents:
2145
diff
changeset
|
1653 { |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
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parents:
2145
diff
changeset
|
1654 changed_int(); |
10952
835604f3c37a
patch 8.0.0365: might free a dict item that wasn't allocated
Christian Brabandt <cb@256bit.org>
parents:
10896
diff
changeset
|
1655 ++CHANGEDTICK(curbuf); |
2162
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
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diff
changeset
|
1656 break; |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
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diff
changeset
|
1657 } |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
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parents:
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diff
changeset
|
1658 } |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
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parents:
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diff
changeset
|
1659 } |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
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diff
changeset
|
1660 |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
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2145
diff
changeset
|
1661 /* |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents:
2145
diff
changeset
|
1662 * Delete the lines from the original file and the dummy line from the |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents:
2145
diff
changeset
|
1663 * empty buffer. These will now be after the last line in the buffer. |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents:
2145
diff
changeset
|
1664 */ |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents:
2145
diff
changeset
|
1665 while (curbuf->b_ml.ml_line_count > lnum |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
1666 && !(curbuf->b_ml.ml_flags & ML_EMPTY)) |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents:
2145
diff
changeset
|
1667 ml_delete(curbuf->b_ml.ml_line_count, FALSE); |
7 | 1668 curbuf->b_flags |= BF_RECOVERED; |
1669 | |
1670 recoverymode = FALSE; | |
1671 if (got_int) | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
1672 emsg(_("E311: Recovery Interrupted")); |
7 | 1673 else if (error) |
1674 { | |
1675 ++no_wait_return; | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
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15470
diff
changeset
|
1676 msg(">>>>>>>>>>>>>"); |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
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15361
diff
changeset
|
1677 emsg(_("E312: Errors detected while recovering; look for lines starting with ???")); |
7 | 1678 --no_wait_return; |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
1679 msg(_("See \":help E312\" for more information.")); |
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
1680 msg(">>>>>>>>>>>>>"); |
7 | 1681 } |
1682 else | |
1683 { | |
2162
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents:
2145
diff
changeset
|
1684 if (curbuf->b_changed) |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents:
2145
diff
changeset
|
1685 { |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
1686 msg(_("Recovery completed. You should check if everything is OK.")); |
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
1687 msg_puts(_("\n(You might want to write out this file under another name\n")); |
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
1688 msg_puts(_("and run diff with the original file to check for changes)")); |
2162
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
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2145
diff
changeset
|
1689 } |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1690 else |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
1691 msg(_("Recovery completed. Buffer contents equals file contents.")); |
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
1692 msg_puts(_("\nYou may want to delete the .swp file now.\n\n")); |
7 | 1693 cmdline_row = msg_row; |
1694 } | |
2267 | 1695 #ifdef FEAT_CRYPT |
1696 if (*buf->b_p_key != NUL && STRCMP(curbuf->b_p_key, buf->b_p_key) != 0) | |
1697 { | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
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15470
diff
changeset
|
1698 msg_puts(_("Using crypt key from swap file for the text file.\n")); |
2267 | 1699 set_option_value((char_u *)"key", 0L, buf->b_p_key, OPT_LOCAL); |
1700 } | |
1701 #endif | |
7 | 1702 redraw_curbuf_later(NOT_VALID); |
1703 | |
1704 theend: | |
2267 | 1705 vim_free(fname_used); |
7 | 1706 recoverymode = FALSE; |
1707 if (mfp != NULL) | |
1708 { | |
1709 if (hp != NULL) | |
1710 mf_put(mfp, hp, FALSE, FALSE); | |
1711 mf_close(mfp, FALSE); /* will also vim_free(mfp->mf_fname) */ | |
1712 } | |
1053 | 1713 if (buf != NULL) |
1714 { | |
2267 | 1715 #ifdef FEAT_CRYPT |
1716 if (buf->b_p_key != curbuf->b_p_key) | |
1717 free_string_option(buf->b_p_key); | |
2407
6bc102a4bff8
Fix memory access to 'cryptmethod' during recovery. (Dominique Pelle)
Bram Moolenaar <bram@vim.org>
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2394
diff
changeset
|
1718 free_string_option(buf->b_p_cm); |
2267 | 1719 #endif |
1053 | 1720 vim_free(buf->b_ml.ml_stack); |
1721 vim_free(buf); | |
1722 } | |
7 | 1723 if (serious_error && called_from_main) |
1724 ml_close(curbuf, TRUE); | |
1725 else | |
1726 { | |
1727 apply_autocmds(EVENT_BUFREADPOST, NULL, curbuf->b_fname, FALSE, curbuf); | |
1728 apply_autocmds(EVENT_BUFWINENTER, NULL, curbuf->b_fname, FALSE, curbuf); | |
1729 } | |
1730 return; | |
1731 } | |
1732 | |
1733 /* | |
1734 * Find the names of swap files in current directory and the directory given | |
1735 * with the 'directory' option. | |
1736 * | |
1737 * Used to: | |
1738 * - list the swap files for "vim -r" | |
1739 * - count the number of swap files when recovering | |
1740 * - list the swap files when recovering | |
1741 * - find the name of the n'th swap file when recovering | |
1742 */ | |
1743 int | |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
1744 recover_names( |
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
1745 char_u *fname, /* base for swap file name */ |
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
1746 int list, /* when TRUE, list the swap file names */ |
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
1747 int nr, /* when non-zero, return nr'th swap file name */ |
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
1748 char_u **fname_out) /* result when "nr" > 0 */ |
7 | 1749 { |
1750 int num_names; | |
1751 char_u *(names[6]); | |
1752 char_u *tail; | |
1753 char_u *p; | |
1754 int num_files; | |
1755 int file_count = 0; | |
1756 char_u **files; | |
1757 int i; | |
1758 char_u *dirp; | |
1759 char_u *dir_name; | |
2175 | 1760 char_u *fname_res = NULL; |
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de0e7ca61893
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|
1761 #ifdef HAVE_READLINK |
de0e7ca61893
updated for version 7.2.427
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diff
changeset
|
1762 char_u fname_buf[MAXPATHL]; |
2175 | 1763 #endif |
1764 | |
1765 if (fname != NULL) | |
1766 { | |
1767 #ifdef HAVE_READLINK | |
2267 | 1768 /* Expand symlink in the file name, because the swap file is created |
1769 * with the actual file instead of with the symlink. */ | |
1770 if (resolve_symlink(fname, fname_buf) == OK) | |
1771 fname_res = fname_buf; | |
1772 else | |
2145
de0e7ca61893
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diff
changeset
|
1773 #endif |
2267 | 1774 fname_res = fname; |
2175 | 1775 } |
7 | 1776 |
1777 if (list) | |
1778 { | |
2145
de0e7ca61893
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diff
changeset
|
1779 /* use msg() to start the scrolling properly */ |
15543
dd725a8ab112
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15470
diff
changeset
|
1780 msg(_("Swap files found:")); |
7 | 1781 msg_putchar('\n'); |
1782 } | |
1783 | |
1784 /* | |
1785 * Do the loop for every directory in 'directory'. | |
1786 * First allocate some memory to put the directory name in. | |
1787 */ | |
1788 dir_name = alloc((unsigned)STRLEN(p_dir) + 1); | |
1789 dirp = p_dir; | |
1790 while (dir_name != NULL && *dirp) | |
1791 { | |
1792 /* | |
1793 * Isolate a directory name from *dirp and put it in dir_name (we know | |
1794 * it is large enough, so use 31000 for length). | |
1795 * Advance dirp to next directory name. | |
1796 */ | |
1797 (void)copy_option_part(&dirp, dir_name, 31000, ","); | |
1798 | |
1799 if (dir_name[0] == '.' && dir_name[1] == NUL) /* check current dir */ | |
1800 { | |
2267 | 1801 if (fname == NULL) |
7 | 1802 { |
1803 #ifdef VMS | |
1804 names[0] = vim_strsave((char_u *)"*_sw%"); | |
1805 #else | |
1806 names[0] = vim_strsave((char_u *)"*.sw?"); | |
1807 #endif | |
15868
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patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15636
diff
changeset
|
1808 #if defined(UNIX) || defined(MSWIN) |
1005 | 1809 /* For Unix names starting with a dot are special. MS-Windows |
1810 * supports this too, on some file systems. */ | |
7 | 1811 names[1] = vim_strsave((char_u *)".*.sw?"); |
1812 names[2] = vim_strsave((char_u *)".sw?"); | |
1813 num_names = 3; | |
1814 #else | |
1815 # ifdef VMS | |
1816 names[1] = vim_strsave((char_u *)".*_sw%"); | |
1817 num_names = 2; | |
1818 # else | |
1819 num_names = 1; | |
1820 # endif | |
1821 #endif | |
1822 } | |
1823 else | |
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1824 num_names = recov_file_names(names, fname_res, TRUE); |
7 | 1825 } |
1826 else /* check directory dir_name */ | |
1827 { | |
2267 | 1828 if (fname == NULL) |
7 | 1829 { |
1830 #ifdef VMS | |
1831 names[0] = concat_fnames(dir_name, (char_u *)"*_sw%", TRUE); | |
1832 #else | |
1833 names[0] = concat_fnames(dir_name, (char_u *)"*.sw?", TRUE); | |
1834 #endif | |
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1835 #if defined(UNIX) || defined(MSWIN) |
1005 | 1836 /* For Unix names starting with a dot are special. MS-Windows |
1837 * supports this too, on some file systems. */ | |
7 | 1838 names[1] = concat_fnames(dir_name, (char_u *)".*.sw?", TRUE); |
1839 names[2] = concat_fnames(dir_name, (char_u *)".sw?", TRUE); | |
1840 num_names = 3; | |
1841 #else | |
1842 # ifdef VMS | |
1843 names[1] = concat_fnames(dir_name, (char_u *)".*_sw%", TRUE); | |
1844 num_names = 2; | |
1845 # else | |
1846 num_names = 1; | |
1847 # endif | |
1848 #endif | |
1849 } | |
1850 else | |
1851 { | |
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1852 #if defined(UNIX) || defined(MSWIN) |
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1853 int len = (int)STRLEN(dir_name); |
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1854 |
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1855 p = dir_name + len; |
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1856 if (after_pathsep(dir_name, p) && len > 1 && p[-1] == p[-2]) |
7 | 1857 { |
1858 /* Ends with '//', Use Full path for swap name */ | |
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1859 tail = make_percent_swname(dir_name, fname_res); |
7 | 1860 } |
1861 else | |
1862 #endif | |
1863 { | |
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1864 tail = gettail(fname_res); |
7 | 1865 tail = concat_fnames(dir_name, tail, TRUE); |
1866 } | |
1867 if (tail == NULL) | |
1868 num_names = 0; | |
1869 else | |
1870 { | |
1871 num_names = recov_file_names(names, tail, FALSE); | |
1872 vim_free(tail); | |
1873 } | |
1874 } | |
1875 } | |
1876 | |
1877 /* check for out-of-memory */ | |
1878 for (i = 0; i < num_names; ++i) | |
1879 { | |
1880 if (names[i] == NULL) | |
1881 { | |
1882 for (i = 0; i < num_names; ++i) | |
1883 vim_free(names[i]); | |
1884 num_names = 0; | |
1885 } | |
1886 } | |
1887 if (num_names == 0) | |
1888 num_files = 0; | |
1889 else if (expand_wildcards(num_names, names, &num_files, &files, | |
1890 EW_KEEPALL|EW_FILE|EW_SILENT) == FAIL) | |
1891 num_files = 0; | |
1892 | |
1893 /* | |
1894 * When no swap file found, wildcard expansion might have failed (e.g. | |
1895 * not able to execute the shell). | |
1896 * Try finding a swap file by simply adding ".swp" to the file name. | |
1897 */ | |
2267 | 1898 if (*dirp == NUL && file_count + num_files == 0 && fname != NULL) |
7 | 1899 { |
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1900 stat_T st; |
7 | 1901 char_u *swapname; |
1902 | |
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1903 swapname = modname(fname_res, |
2823 | 1904 #if defined(VMS) |
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1905 (char_u *)"_swp", FALSE |
7 | 1906 #else |
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1907 (char_u *)".swp", TRUE |
7 | 1908 #endif |
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1909 ); |
7 | 1910 if (swapname != NULL) |
1911 { | |
1912 if (mch_stat((char *)swapname, &st) != -1) /* It exists! */ | |
1913 { | |
1914 files = (char_u **)alloc((unsigned)sizeof(char_u *)); | |
1915 if (files != NULL) | |
1916 { | |
1917 files[0] = swapname; | |
1918 swapname = NULL; | |
1919 num_files = 1; | |
1920 } | |
1921 } | |
1922 vim_free(swapname); | |
1923 } | |
1924 } | |
1925 | |
1926 /* | |
1927 * remove swapfile name of the current buffer, it must be ignored | |
1928 */ | |
1929 if (curbuf->b_ml.ml_mfp != NULL | |
1930 && (p = curbuf->b_ml.ml_mfp->mf_fname) != NULL) | |
1931 { | |
1932 for (i = 0; i < num_files; ++i) | |
1933 if (fullpathcmp(p, files[i], TRUE) & FPC_SAME) | |
1934 { | |
1855 | 1935 /* Remove the name from files[i]. Move further entries |
1936 * down. When the array becomes empty free it here, since | |
1937 * FreeWild() won't be called below. */ | |
7 | 1938 vim_free(files[i]); |
1855 | 1939 if (--num_files == 0) |
1940 vim_free(files); | |
1941 else | |
1942 for ( ; i < num_files; ++i) | |
1943 files[i] = files[i + 1]; | |
7 | 1944 } |
1945 } | |
838 | 1946 if (nr > 0) |
7 | 1947 { |
1948 file_count += num_files; | |
1949 if (nr <= file_count) | |
1950 { | |
2267 | 1951 *fname_out = vim_strsave( |
1952 files[nr - 1 + num_files - file_count]); | |
7 | 1953 dirp = (char_u *)""; /* stop searching */ |
1954 } | |
1955 } | |
1956 else if (list) | |
1957 { | |
1958 if (dir_name[0] == '.' && dir_name[1] == NUL) | |
1959 { | |
2267 | 1960 if (fname == NULL) |
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1961 msg_puts(_(" In current directory:\n")); |
7 | 1962 else |
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1963 msg_puts(_(" Using specified name:\n")); |
7 | 1964 } |
1965 else | |
1966 { | |
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1967 msg_puts(_(" In directory ")); |
7 | 1968 msg_home_replace(dir_name); |
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1969 msg_puts(":\n"); |
7 | 1970 } |
1971 | |
1972 if (num_files) | |
1973 { | |
1974 for (i = 0; i < num_files; ++i) | |
1975 { | |
1976 /* print the swap file name */ | |
1977 msg_outnum((long)++file_count); | |
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1978 msg_puts(". "); |
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1979 msg_puts((char *)gettail(files[i])); |
7 | 1980 msg_putchar('\n'); |
1981 (void)swapfile_info(files[i]); | |
1982 } | |
1983 } | |
1984 else | |
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1985 msg_puts(_(" -- none --\n")); |
7 | 1986 out_flush(); |
1987 } | |
1988 else | |
1989 file_count += num_files; | |
1990 | |
1991 for (i = 0; i < num_names; ++i) | |
1992 vim_free(names[i]); | |
838 | 1993 if (num_files > 0) |
1994 FreeWild(num_files, files); | |
7 | 1995 } |
1996 vim_free(dir_name); | |
1997 return file_count; | |
1998 } | |
1999 | |
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2000 #if defined(UNIX) || defined(MSWIN) || defined(PROTO) |
7 | 2001 /* |
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2002 * Need _very_ long file names. |
7 | 2003 * Append the full path to name with path separators made into percent |
2004 * signs, to dir. An unnamed buffer is handled as "" (<currentdir>/"") | |
2005 */ | |
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2006 char_u * |
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2007 make_percent_swname(char_u *dir, char_u *name) |
7 | 2008 { |
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2009 char_u *d = NULL, *s, *f; |
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2010 |
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2011 f = fix_fname(name != NULL ? name : (char_u *)""); |
7 | 2012 if (f != NULL) |
2013 { | |
2014 s = alloc((unsigned)(STRLEN(f) + 1)); | |
2015 if (s != NULL) | |
2016 { | |
39 | 2017 STRCPY(s, f); |
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2018 for (d = s; *d != NUL; MB_PTR_ADV(d)) |
39 | 2019 if (vim_ispathsep(*d)) |
2020 *d = '%'; | |
7 | 2021 d = concat_fnames(dir, s, TRUE); |
2022 vim_free(s); | |
2023 } | |
2024 vim_free(f); | |
2025 } | |
2026 return d; | |
2027 } | |
2028 #endif | |
2029 | |
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2030 #if (defined(UNIX) || defined(VMS) || defined(MSWIN)) \ |
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patch 8.1.1232: can't build on MS-Windows
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2031 && (defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)) |
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2032 # define HAVE_PROCESS_STILL_RUNNING |
7 | 2033 static int process_still_running; |
2034 #endif | |
2035 | |
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2036 #if defined(FEAT_EVAL) || defined(PROTO) |
7 | 2037 /* |
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2038 * Return information found in swapfile "fname" in dictionary "d". |
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2039 * This is used by the swapinfo() function. |
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2040 */ |
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2041 void |
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2042 get_b0_dict(char_u *fname, dict_T *d) |
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2043 { |
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2044 int fd; |
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2045 struct block0 b0; |
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2046 |
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2047 if ((fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0)) >= 0) |
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2048 { |
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2049 if (read_eintr(fd, &b0, sizeof(b0)) == sizeof(b0)) |
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2050 { |
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2051 if (ml_check_b0_id(&b0) == FAIL) |
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|
2052 dict_add_string(d, "error", (char_u *)"Not a swap file"); |
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2053 else if (b0_magic_wrong(&b0)) |
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2054 dict_add_string(d, "error", (char_u *)"Magic number mismatch"); |
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2055 else |
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2056 { |
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2057 /* we have swap information */ |
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2058 dict_add_string_len(d, "version", b0.b0_version, 10); |
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2059 dict_add_string_len(d, "user", b0.b0_uname, B0_UNAME_SIZE); |
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changeset
|
2060 dict_add_string_len(d, "host", b0.b0_hname, B0_HNAME_SIZE); |
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2061 dict_add_string_len(d, "fname", b0.b0_fname, B0_FNAME_SIZE_ORG); |
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2062 |
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2063 dict_add_number(d, "pid", char_to_long(b0.b0_pid)); |
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2064 dict_add_number(d, "mtime", char_to_long(b0.b0_mtime)); |
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2065 dict_add_number(d, "dirty", b0.b0_dirty ? 1 : 0); |
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2066 # ifdef CHECK_INODE |
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2067 dict_add_number(d, "inode", char_to_long(b0.b0_ino)); |
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2068 # endif |
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2069 } |
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2070 } |
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2071 else |
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2072 dict_add_string(d, "error", (char_u *)"Cannot read file"); |
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2073 close(fd); |
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2074 } |
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2075 else |
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2076 dict_add_string(d, "error", (char_u *)"Cannot open file"); |
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2077 } |
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2078 #endif |
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2079 |
72d6f6f7ead7
patch 8.1.0313: information about a swap file is unavailable
Christian Brabandt <cb@256bit.org>
parents:
14593
diff
changeset
|
2080 /* |
580 | 2081 * Give information about an existing swap file. |
7 | 2082 * Returns timestamp (0 when unknown). |
2083 */ | |
2084 static time_t | |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2085 swapfile_info(char_u *fname) |
7 | 2086 { |
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9295
diff
changeset
|
2087 stat_T st; |
7 | 2088 int fd; |
2089 struct block0 b0; | |
2090 time_t x = (time_t)0; | |
1001 | 2091 char *p; |
7 | 2092 #ifdef UNIX |
2093 char_u uname[B0_UNAME_SIZE]; | |
2094 #endif | |
2095 | |
2096 /* print the swap file date */ | |
2097 if (mch_stat((char *)fname, &st) != -1) | |
2098 { | |
2099 #ifdef UNIX | |
2100 /* print name of owner of the file */ | |
2101 if (mch_get_uname(st.st_uid, uname, B0_UNAME_SIZE) == OK) | |
2102 { | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
2103 msg_puts(_(" owned by: ")); |
7 | 2104 msg_outtrans(uname); |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
2105 msg_puts(_(" dated: ")); |
7 | 2106 } |
2107 else | |
2108 #endif | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
2109 msg_puts(_(" dated: ")); |
7 | 2110 x = st.st_mtime; /* Manx C can't do &st.st_mtime */ |
1001 | 2111 p = ctime(&x); /* includes '\n' */ |
2112 if (p == NULL) | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
2113 msg_puts("(invalid)\n"); |
1001 | 2114 else |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
2115 msg_puts(p); |
7 | 2116 } |
2117 | |
2118 /* | |
2119 * print the original file name | |
2120 */ | |
2121 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
2122 if (fd >= 0) | |
2123 { | |
2664 | 2124 if (read_eintr(fd, &b0, sizeof(b0)) == sizeof(b0)) |
7 | 2125 { |
2126 if (STRNCMP(b0.b0_version, "VIM 3.0", 7) == 0) | |
2127 { | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
2128 msg_puts(_(" [from Vim version 3.0]")); |
7 | 2129 } |
2267 | 2130 else if (ml_check_b0_id(&b0) == FAIL) |
7 | 2131 { |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
2132 msg_puts(_(" [does not look like a Vim swap file]")); |
7 | 2133 } |
2134 else | |
2135 { | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
2136 msg_puts(_(" file name: ")); |
7 | 2137 if (b0.b0_fname[0] == NUL) |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
2138 msg_puts(_("[No Name]")); |
7 | 2139 else |
2140 msg_outtrans(b0.b0_fname); | |
2141 | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
2142 msg_puts(_("\n modified: ")); |
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
2143 msg_puts(b0.b0_dirty ? _("YES") : _("no")); |
7 | 2144 |
2145 if (*(b0.b0_uname) != NUL) | |
2146 { | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
2147 msg_puts(_("\n user name: ")); |
7 | 2148 msg_outtrans(b0.b0_uname); |
2149 } | |
2150 | |
2151 if (*(b0.b0_hname) != NUL) | |
2152 { | |
2153 if (*(b0.b0_uname) != NUL) | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
2154 msg_puts(_(" host name: ")); |
7 | 2155 else |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
2156 msg_puts(_("\n host name: ")); |
7 | 2157 msg_outtrans(b0.b0_hname); |
2158 } | |
2159 | |
2160 if (char_to_long(b0.b0_pid) != 0L) | |
2161 { | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
2162 msg_puts(_("\n process ID: ")); |
7 | 2163 msg_outnum(char_to_long(b0.b0_pid)); |
16453
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2164 #if defined(UNIX) || defined(MSWIN) |
16455
1ae13586edf8
patch 8.1.1232: can't build on MS-Windows
Bram Moolenaar <Bram@vim.org>
parents:
16453
diff
changeset
|
2165 if (mch_process_running(char_to_long(b0.b0_pid))) |
7 | 2166 { |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
2167 msg_puts(_(" (STILL RUNNING)")); |
16455
1ae13586edf8
patch 8.1.1232: can't build on MS-Windows
Bram Moolenaar <Bram@vim.org>
parents:
16453
diff
changeset
|
2168 # ifdef HAVE_PROCESS_STILL_RUNNING |
7 | 2169 process_still_running = TRUE; |
2170 # endif | |
2171 } | |
2172 #endif | |
2173 } | |
2174 | |
2175 if (b0_magic_wrong(&b0)) | |
2176 { | |
8212
05b88224cea1
commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents:
7961
diff
changeset
|
2177 #if defined(MSWIN) |
7 | 2178 if (STRNCMP(b0.b0_hname, "PC ", 3) == 0) |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
2179 msg_puts(_("\n [not usable with this version of Vim]")); |
7 | 2180 else |
2181 #endif | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
2182 msg_puts(_("\n [not usable on this computer]")); |
7 | 2183 } |
2184 } | |
2185 } | |
2186 else | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
2187 msg_puts(_(" [cannot be read]")); |
7 | 2188 close(fd); |
2189 } | |
2190 else | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
2191 msg_puts(_(" [cannot be opened]")); |
7 | 2192 msg_putchar('\n'); |
2193 | |
2194 return x; | |
2195 } | |
2196 | |
16453
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2197 /* |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2198 * Return TRUE if the swap file looks OK and there are no changes, thus it can |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2199 * be safely deleted. |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2200 */ |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2201 static time_t |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2202 swapfile_unchanged(char_u *fname) |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2203 { |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2204 stat_T st; |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2205 int fd; |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2206 struct block0 b0; |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2207 int ret = TRUE; |
16455
1ae13586edf8
patch 8.1.1232: can't build on MS-Windows
Bram Moolenaar <Bram@vim.org>
parents:
16453
diff
changeset
|
2208 #if defined(UNIX) || defined(MSWIN) |
16453
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2209 long pid; |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2210 #endif |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2211 |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2212 // must be able to stat the swap file |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2213 if (mch_stat((char *)fname, &st) == -1) |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2214 return FALSE; |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2215 |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2216 // must be able to read the first block |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2217 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2218 if (fd < 0) |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2219 return FALSE; |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2220 if (read_eintr(fd, &b0, sizeof(b0)) != sizeof(b0)) |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2221 { |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2222 close(fd); |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2223 return FALSE; |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2224 } |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2225 |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2226 // the ID and magic number must be correct |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2227 if (ml_check_b0_id(&b0) == FAIL|| b0_magic_wrong(&b0)) |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2228 ret = FALSE; |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2229 |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2230 // must be unchanged |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2231 if (b0.b0_dirty) |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2232 ret = FALSE; |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2233 |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2234 #if defined(UNIX) || defined(MSWIN) |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2235 // process must known and not be running |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2236 pid = char_to_long(b0.b0_pid); |
16455
1ae13586edf8
patch 8.1.1232: can't build on MS-Windows
Bram Moolenaar <Bram@vim.org>
parents:
16453
diff
changeset
|
2237 if (pid == 0L || mch_process_running(pid)) |
16453
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2238 ret = FALSE; |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2239 #endif |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2240 |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2241 // TODO: Should we check if the swap file was created on the current |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2242 // system? And the current user? |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2243 |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2244 close(fd); |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2245 return ret; |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2246 } |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2247 |
7 | 2248 static int |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2249 recov_file_names(char_u **names, char_u *path, int prepend_dot) |
7 | 2250 { |
2251 int num_names; | |
2252 | |
2253 /* | |
2254 * (Win32 and Win64) never short names, but do prepend a dot. | |
2255 * (Not MS-DOS or Win32 or Win64) maybe short name, maybe not: Try both. | |
2256 * Only use the short name if it is different. | |
2257 */ | |
2258 char_u *p; | |
2259 int i; | |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15636
diff
changeset
|
2260 # ifndef MSWIN |
7 | 2261 int shortname = curbuf->b_shortname; |
2262 | |
2263 curbuf->b_shortname = FALSE; | |
2264 # endif | |
2265 | |
2266 num_names = 0; | |
2267 | |
2268 /* | |
2269 * May also add the file name with a dot prepended, for swap file in same | |
2270 * dir as original file. | |
2271 */ | |
2272 if (prepend_dot) | |
2273 { | |
2274 names[num_names] = modname(path, (char_u *)".sw?", TRUE); | |
2275 if (names[num_names] == NULL) | |
2276 goto end; | |
2277 ++num_names; | |
2278 } | |
2279 | |
2280 /* | |
2281 * Form the normal swap file name pattern by appending ".sw?". | |
2282 */ | |
2283 #ifdef VMS | |
2284 names[num_names] = concat_fnames(path, (char_u *)"_sw%", FALSE); | |
2285 #else | |
2286 names[num_names] = concat_fnames(path, (char_u *)".sw?", FALSE); | |
2287 #endif | |
2288 if (names[num_names] == NULL) | |
2289 goto end; | |
2290 if (num_names >= 1) /* check if we have the same name twice */ | |
2291 { | |
2292 p = names[num_names - 1]; | |
2293 i = (int)STRLEN(names[num_names - 1]) - (int)STRLEN(names[num_names]); | |
2294 if (i > 0) | |
2295 p += i; /* file name has been expanded to full path */ | |
2296 | |
2297 if (STRCMP(p, names[num_names]) != 0) | |
2298 ++num_names; | |
2299 else | |
2300 vim_free(names[num_names]); | |
2301 } | |
2302 else | |
2303 ++num_names; | |
2304 | |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15636
diff
changeset
|
2305 # ifndef MSWIN |
7 | 2306 /* |
2307 * Also try with 'shortname' set, in case the file is on a DOS filesystem. | |
2308 */ | |
2309 curbuf->b_shortname = TRUE; | |
2310 #ifdef VMS | |
2311 names[num_names] = modname(path, (char_u *)"_sw%", FALSE); | |
2312 #else | |
2313 names[num_names] = modname(path, (char_u *)".sw?", FALSE); | |
2314 #endif | |
2315 if (names[num_names] == NULL) | |
2316 goto end; | |
2317 | |
2318 /* | |
2319 * Remove the one from 'shortname', if it's the same as with 'noshortname'. | |
2320 */ | |
2321 p = names[num_names]; | |
2322 i = STRLEN(names[num_names]) - STRLEN(names[num_names - 1]); | |
2323 if (i > 0) | |
2324 p += i; /* file name has been expanded to full path */ | |
2325 if (STRCMP(names[num_names - 1], p) == 0) | |
2326 vim_free(names[num_names]); | |
2327 else | |
2328 ++num_names; | |
2329 # endif | |
2330 | |
2331 end: | |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15636
diff
changeset
|
2332 # ifndef MSWIN |
7 | 2333 curbuf->b_shortname = shortname; |
2334 # endif | |
2335 | |
2336 return num_names; | |
2337 } | |
2338 | |
2339 /* | |
2340 * sync all memlines | |
2341 * | |
2342 * If 'check_file' is TRUE, check if original file exists and was not changed. | |
2343 * If 'check_char' is TRUE, stop syncing when character becomes available, but | |
2344 * always sync at least one block. | |
2345 */ | |
2346 void | |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2347 ml_sync_all(int check_file, int check_char) |
7 | 2348 { |
2349 buf_T *buf; | |
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9295
diff
changeset
|
2350 stat_T st; |
7 | 2351 |
9649
fd9727ae3c49
commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07
Christian Brabandt <cb@256bit.org>
parents:
9536
diff
changeset
|
2352 FOR_ALL_BUFFERS(buf) |
7 | 2353 { |
2354 if (buf->b_ml.ml_mfp == NULL || buf->b_ml.ml_mfp->mf_fname == NULL) | |
2355 continue; /* no file */ | |
2356 | |
2357 ml_flush_line(buf); /* flush buffered line */ | |
2358 /* flush locked block */ | |
2359 (void)ml_find_line(buf, (linenr_T)0, ML_FLUSH); | |
2360 if (bufIsChanged(buf) && check_file && mf_need_trans(buf->b_ml.ml_mfp) | |
2361 && buf->b_ffname != NULL) | |
2362 { | |
2363 /* | |
2364 * If the original file does not exist anymore or has been changed | |
2365 * call ml_preserve() to get rid of all negative numbered blocks. | |
2366 */ | |
2367 if (mch_stat((char *)buf->b_ffname, &st) == -1 | |
2368 || st.st_mtime != buf->b_mtime_read | |
2241
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2240
diff
changeset
|
2369 || st.st_size != buf->b_orig_size) |
7 | 2370 { |
2371 ml_preserve(buf, FALSE); | |
2372 did_check_timestamps = FALSE; | |
2373 need_check_timestamps = TRUE; /* give message later */ | |
2374 } | |
2375 } | |
2376 if (buf->b_ml.ml_mfp->mf_dirty) | |
2377 { | |
2378 (void)mf_sync(buf->b_ml.ml_mfp, (check_char ? MFS_STOP : 0) | |
2379 | (bufIsChanged(buf) ? MFS_FLUSH : 0)); | |
2380 if (check_char && ui_char_avail()) /* character available now */ | |
2381 break; | |
2382 } | |
2383 } | |
2384 } | |
2385 | |
2386 /* | |
2387 * sync one buffer, including negative blocks | |
2388 * | |
2389 * after this all the blocks are in the swap file | |
2390 * | |
2391 * Used for the :preserve command and when the original file has been | |
2392 * changed or deleted. | |
2393 * | |
2394 * when message is TRUE the success of preserving is reported | |
2395 */ | |
2396 void | |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2397 ml_preserve(buf_T *buf, int message) |
7 | 2398 { |
2399 bhdr_T *hp; | |
2400 linenr_T lnum; | |
2401 memfile_T *mfp = buf->b_ml.ml_mfp; | |
2402 int status; | |
2403 int got_int_save = got_int; | |
2404 | |
2405 if (mfp == NULL || mfp->mf_fname == NULL) | |
2406 { | |
2407 if (message) | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
2408 emsg(_("E313: Cannot preserve, there is no swap file")); |
7 | 2409 return; |
2410 } | |
2411 | |
2412 /* We only want to stop when interrupted here, not when interrupted | |
2413 * before. */ | |
2414 got_int = FALSE; | |
2415 | |
2416 ml_flush_line(buf); /* flush buffered line */ | |
2417 (void)ml_find_line(buf, (linenr_T)0, ML_FLUSH); /* flush locked block */ | |
2418 status = mf_sync(mfp, MFS_ALL | MFS_FLUSH); | |
2419 | |
2420 /* stack is invalid after mf_sync(.., MFS_ALL) */ | |
2421 buf->b_ml.ml_stack_top = 0; | |
2422 | |
2423 /* | |
2424 * Some of the data blocks may have been changed from negative to | |
2425 * positive block number. In that case the pointer blocks need to be | |
2426 * updated. | |
2427 * | |
2428 * We don't know in which pointer block the references are, so we visit | |
2429 * all data blocks until there are no more translations to be done (or | |
2430 * we hit the end of the file, which can only happen in case a write fails, | |
2431 * e.g. when file system if full). | |
2432 * ml_find_line() does the work by translating the negative block numbers | |
2433 * when getting the first line of each data block. | |
2434 */ | |
2435 if (mf_need_trans(mfp) && !got_int) | |
2436 { | |
2437 lnum = 1; | |
2438 while (mf_need_trans(mfp) && lnum <= buf->b_ml.ml_line_count) | |
2439 { | |
2440 hp = ml_find_line(buf, lnum, ML_FIND); | |
2441 if (hp == NULL) | |
2442 { | |
2443 status = FAIL; | |
2444 goto theend; | |
2445 } | |
2446 CHECK(buf->b_ml.ml_locked_low != lnum, "low != lnum"); | |
2447 lnum = buf->b_ml.ml_locked_high + 1; | |
2448 } | |
2449 (void)ml_find_line(buf, (linenr_T)0, ML_FLUSH); /* flush locked block */ | |
2450 /* sync the updated pointer blocks */ | |
2451 if (mf_sync(mfp, MFS_ALL | MFS_FLUSH) == FAIL) | |
2452 status = FAIL; | |
2453 buf->b_ml.ml_stack_top = 0; /* stack is invalid now */ | |
2454 } | |
2455 theend: | |
2456 got_int |= got_int_save; | |
2457 | |
2458 if (message) | |
2459 { | |
2460 if (status == OK) | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
2461 msg(_("File preserved")); |
7 | 2462 else |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
2463 emsg(_("E314: Preserve failed")); |
7 | 2464 } |
2465 } | |
2466 | |
2467 /* | |
2468 * NOTE: The pointer returned by the ml_get_*() functions only remains valid | |
2469 * until the next call! | |
2470 * line1 = ml_get(1); | |
2471 * line2 = ml_get(2); // line1 is now invalid! | |
2472 * Make a copy of the line if necessary. | |
2473 */ | |
2474 /* | |
2657 | 2475 * Return a pointer to a (read-only copy of a) line. |
7 | 2476 * |
2477 * On failure an error message is given and IObuff is returned (to avoid | |
2478 * having to check for error everywhere). | |
2479 */ | |
2480 char_u * | |
7827
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commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2481 ml_get(linenr_T lnum) |
7 | 2482 { |
2483 return ml_get_buf(curbuf, lnum, FALSE); | |
2484 } | |
2485 | |
2486 /* | |
2657 | 2487 * Return pointer to position "pos". |
7 | 2488 */ |
2489 char_u * | |
7827
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2490 ml_get_pos(pos_T *pos) |
7 | 2491 { |
2492 return (ml_get_buf(curbuf, pos->lnum, FALSE) + pos->col); | |
2493 } | |
2494 | |
2495 /* | |
2657 | 2496 * Return pointer to cursor line. |
7 | 2497 */ |
2498 char_u * | |
7827
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commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2499 ml_get_curline(void) |
7 | 2500 { |
2501 return ml_get_buf(curbuf, curwin->w_cursor.lnum, FALSE); | |
2502 } | |
2503 | |
2504 /* | |
2657 | 2505 * Return pointer to cursor position. |
7 | 2506 */ |
2507 char_u * | |
7827
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commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2508 ml_get_cursor(void) |
7 | 2509 { |
2510 return (ml_get_buf(curbuf, curwin->w_cursor.lnum, FALSE) + | |
2511 curwin->w_cursor.col); | |
2512 } | |
2513 | |
2514 /* | |
2657 | 2515 * Return a pointer to a line in a specific buffer |
7 | 2516 * |
2517 * "will_change": if TRUE mark the buffer dirty (chars in the line will be | |
2518 * changed) | |
2519 */ | |
2520 char_u * | |
7827
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commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2521 ml_get_buf( |
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2522 buf_T *buf, |
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2523 linenr_T lnum, |
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2524 int will_change) /* line will be changed */ |
7 | 2525 { |
1068 | 2526 bhdr_T *hp; |
2527 DATA_BL *dp; | |
2528 static int recursive = 0; | |
7 | 2529 |
2530 if (lnum > buf->b_ml.ml_line_count) /* invalid line number */ | |
2531 { | |
1068 | 2532 if (recursive == 0) |
2533 { | |
2534 /* Avoid giving this message for a recursive call, may happen when | |
2535 * the GUI redraws part of the text. */ | |
2536 ++recursive; | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
2537 siemsg(_("E315: ml_get: invalid lnum: %ld"), lnum); |
1068 | 2538 --recursive; |
2539 } | |
7 | 2540 errorret: |
2541 STRCPY(IObuff, "???"); | |
2542 return IObuff; | |
2543 } | |
2544 if (lnum <= 0) /* pretend line 0 is line 1 */ | |
2545 lnum = 1; | |
2546 | |
2547 if (buf->b_ml.ml_mfp == NULL) /* there are no lines */ | |
2548 return (char_u *)""; | |
2549 | |
2108
3cdf2a653e00
updated for version 7.2.391
Bram Moolenaar <bram@zimbu.org>
parents:
2075
diff
changeset
|
2550 /* |
3cdf2a653e00
updated for version 7.2.391
Bram Moolenaar <bram@zimbu.org>
parents:
2075
diff
changeset
|
2551 * See if it is the same line as requested last time. |
3cdf2a653e00
updated for version 7.2.391
Bram Moolenaar <bram@zimbu.org>
parents:
2075
diff
changeset
|
2552 * Otherwise may need to flush last used line. |
3cdf2a653e00
updated for version 7.2.391
Bram Moolenaar <bram@zimbu.org>
parents:
2075
diff
changeset
|
2553 * Don't use the last used line when 'swapfile' is reset, need to load all |
3cdf2a653e00
updated for version 7.2.391
Bram Moolenaar <bram@zimbu.org>
parents:
2075
diff
changeset
|
2554 * blocks. |
3cdf2a653e00
updated for version 7.2.391
Bram Moolenaar <bram@zimbu.org>
parents:
2075
diff
changeset
|
2555 */ |
1066 | 2556 if (buf->b_ml.ml_line_lnum != lnum || mf_dont_release) |
7 | 2557 { |
15138
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
2558 unsigned start, end; |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
2559 colnr_T len; |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
2560 int idx; |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
2561 |
7 | 2562 ml_flush_line(buf); |
2563 | |
2564 /* | |
2565 * Find the data block containing the line. | |
2566 * This also fills the stack with the blocks from the root to the data | |
2567 * block and releases any locked block. | |
2568 */ | |
2569 if ((hp = ml_find_line(buf, lnum, ML_FIND)) == NULL) | |
2570 { | |
1068 | 2571 if (recursive == 0) |
2572 { | |
2573 /* Avoid giving this message for a recursive call, may happen | |
2574 * when the GUI redraws part of the text. */ | |
2575 ++recursive; | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
2576 siemsg(_("E316: ml_get: cannot find line %ld"), lnum); |
1068 | 2577 --recursive; |
2578 } | |
7 | 2579 goto errorret; |
2580 } | |
2581 | |
2582 dp = (DATA_BL *)(hp->bh_data); | |
2583 | |
15138
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
2584 idx = lnum - buf->b_ml.ml_locked_low; |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
2585 start = ((dp->db_index[idx]) & DB_INDEX_MASK); |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
2586 // The text ends where the previous line starts. The first line ends |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
2587 // at the end of the block. |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
2588 if (idx == 0) |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
2589 end = dp->db_txt_end; |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
2590 else |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
2591 end = ((dp->db_index[idx - 1]) & DB_INDEX_MASK); |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
2592 len = end - start; |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
2593 |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2594 buf->b_ml.ml_line_ptr = (char_u *)dp + start; |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
2595 buf->b_ml.ml_line_len = len; |
7 | 2596 buf->b_ml.ml_line_lnum = lnum; |
2597 buf->b_ml.ml_flags &= ~ML_LINE_DIRTY; | |
2598 } | |
2599 if (will_change) | |
2600 buf->b_ml.ml_flags |= (ML_LOCKED_DIRTY | ML_LOCKED_POS); | |
2601 | |
2602 return buf->b_ml.ml_line_ptr; | |
2603 } | |
2604 | |
2605 /* | |
2606 * Check if a line that was just obtained by a call to ml_get | |
2607 * is in allocated memory. | |
2608 */ | |
2609 int | |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2610 ml_line_alloced(void) |
7 | 2611 { |
2612 return (curbuf->b_ml.ml_flags & ML_LINE_DIRTY); | |
2613 } | |
2614 | |
15294
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
2615 #ifdef FEAT_TEXT_PROP |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
2616 static void |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
2617 add_text_props_for_append( |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
2618 buf_T *buf, |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
2619 linenr_T lnum, |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
2620 char_u **line, |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
2621 int *len, |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
2622 char_u **tofree) |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
2623 { |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
2624 int round; |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
2625 int new_prop_count = 0; |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
2626 int count; |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
2627 int n; |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
2628 char_u *props; |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
2629 int new_len; |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
2630 char_u *new_line; |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
2631 textprop_T prop; |
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2632 |
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|
2633 // Make two rounds: |
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2634 // 1. calculate the extra space needed |
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2635 // 2. allocate the space and fill it |
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2636 for (round = 1; round <= 2; ++round) |
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2637 { |
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|
2638 if (round == 2) |
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|
2639 { |
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|
2640 if (new_prop_count == 0) |
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|
2641 return; // nothing to do |
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|
2642 new_len = *len + new_prop_count * sizeof(textprop_T); |
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2643 new_line = alloc((unsigned)new_len); |
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|
2644 if (new_line == NULL) |
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|
2645 return; |
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|
2646 mch_memmove(new_line, *line, *len); |
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|
2647 new_prop_count = 0; |
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|
2648 } |
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|
2649 |
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|
2650 // Get the line above to find any props that continue in the next |
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|
2651 // line. |
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|
2652 count = get_text_props(buf, lnum, &props, FALSE); |
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|
2653 for (n = 0; n < count; ++n) |
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|
2654 { |
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|
2655 mch_memmove(&prop, props + n * sizeof(textprop_T), sizeof(textprop_T)); |
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2656 if (prop.tp_flags & TP_FLAG_CONT_NEXT) |
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2657 { |
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|
2658 if (round == 2) |
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|
2659 { |
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|
2660 prop.tp_flags |= TP_FLAG_CONT_PREV; |
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2661 prop.tp_col = 1; |
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|
2662 prop.tp_len = *len; |
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|
2663 mch_memmove(new_line + *len + new_prop_count * sizeof(textprop_T), &prop, sizeof(textprop_T)); |
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|
2664 } |
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|
2665 ++new_prop_count; |
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2666 } |
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|
2667 } |
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2668 } |
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|
2669 *line = new_line; |
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|
2670 *tofree = new_line; |
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|
2671 *len = new_len; |
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2672 } |
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|
2673 #endif |
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2674 |
7 | 2675 /* |
2676 * Append a line after lnum (may be 0 to insert a line in front of the file). | |
2677 * "line" does not need to be allocated, but can't be another line in a | |
2678 * buffer, unlocking may make it invalid. | |
2679 * | |
2680 * newfile: TRUE when starting to edit a new file, meaning that pe_old_lnum | |
2681 * will be set for recovery | |
2682 * Check: The caller of this function should probably also call | |
2683 * appended_lines(). | |
2684 * | |
2685 * return FAIL for failure, OK otherwise | |
2686 */ | |
2687 int | |
7827
41789f16d6b2
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diff
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|
2688 ml_append( |
41789f16d6b2
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|
2689 linenr_T lnum, /* append after this line (can be 0) */ |
41789f16d6b2
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|
2690 char_u *line, /* text of the new line */ |
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|
2691 colnr_T len, /* length of new line, including NUL, or 0 */ |
41789f16d6b2
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diff
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|
2692 int newfile) /* flag, see above */ |
7 | 2693 { |
2694 /* When starting up, we might still need to create the memfile */ | |
2394
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
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|
2695 if (curbuf->b_ml.ml_mfp == NULL && open_buffer(FALSE, NULL, 0) == FAIL) |
7 | 2696 return FAIL; |
2697 | |
2698 if (curbuf->b_ml.ml_line_lnum != 0) | |
2699 ml_flush_line(curbuf); | |
2700 return ml_append_int(curbuf, lnum, line, len, newfile, FALSE); | |
2701 } | |
2702 | |
12477
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|
2703 #if defined(FEAT_SPELL) || defined(FEAT_QUICKFIX) || defined(PROTO) |
625 | 2704 /* |
2705 * Like ml_append() but for an arbitrary buffer. The buffer must already have | |
2706 * a memline. | |
2707 */ | |
2708 int | |
7827
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|
2709 ml_append_buf( |
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|
2710 buf_T *buf, |
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|
2711 linenr_T lnum, /* append after this line (can be 0) */ |
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diff
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|
2712 char_u *line, /* text of the new line */ |
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diff
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|
2713 colnr_T len, /* length of new line, including NUL, or 0 */ |
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diff
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|
2714 int newfile) /* flag, see above */ |
625 | 2715 { |
2716 if (buf->b_ml.ml_mfp == NULL) | |
2717 return FAIL; | |
2718 | |
2719 if (buf->b_ml.ml_line_lnum != 0) | |
2720 ml_flush_line(buf); | |
2721 return ml_append_int(buf, lnum, line, len, newfile, FALSE); | |
2722 } | |
2723 #endif | |
2724 | |
7 | 2725 static int |
7827
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diff
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|
2726 ml_append_int( |
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diff
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|
2727 buf_T *buf, |
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diff
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|
2728 linenr_T lnum, // append after this line (can be 0) |
15294
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|
2729 char_u *line_arg, // text of the new line |
15138
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diff
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|
2730 colnr_T len_arg, // length of line, including NUL, or 0 |
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|
2731 int newfile, // flag, see above |
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diff
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|
2732 int mark) // mark the new line |
7 | 2733 { |
15294
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|
2734 char_u *line = line_arg; |
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|
2735 colnr_T len = len_arg; |
7 | 2736 int i; |
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|
2737 int line_count; // number of indexes in current block |
7 | 2738 int offset; |
2739 int from, to; | |
15138
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|
2740 int space_needed; // space needed for new line |
7 | 2741 int page_size; |
2742 int page_count; | |
15138
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|
2743 int db_idx; // index for lnum in data block |
7 | 2744 bhdr_T *hp; |
2745 memfile_T *mfp; | |
2746 DATA_BL *dp; | |
2747 PTR_BL *pp; | |
2748 infoptr_T *ip; | |
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|
2749 #ifdef FEAT_TEXT_PROP |
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2750 char_u *tofree = NULL; |
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2751 #endif |
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2752 int ret = FAIL; |
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2753 |
7 | 2754 if (lnum > buf->b_ml.ml_line_count || buf->b_ml.ml_mfp == NULL) |
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|
2755 return FAIL; // lnum out of range |
7 | 2756 |
2757 if (lowest_marked && lowest_marked > lnum) | |
2758 lowest_marked = lnum + 1; | |
2759 | |
2760 if (len == 0) | |
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|
2761 len = (colnr_T)STRLEN(line) + 1; // space needed for the text |
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2762 |
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2763 #ifdef FEAT_TEXT_PROP |
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2764 if (curbuf->b_has_textprop && lnum > 0) |
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|
2765 // Add text properties that continue from the previous line. |
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|
2766 add_text_props_for_append(buf, lnum, &line, &len, &tofree); |
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2767 #endif |
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2768 |
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|
2769 space_needed = len + INDEX_SIZE; // space needed for text + index |
7 | 2770 |
2771 mfp = buf->b_ml.ml_mfp; | |
2772 page_size = mfp->mf_page_size; | |
2773 | |
2774 /* | |
2775 * find the data block containing the previous line | |
2776 * This also fills the stack with the blocks from the root to the data block | |
2777 * This also releases any locked block. | |
2778 */ | |
2779 if ((hp = ml_find_line(buf, lnum == 0 ? (linenr_T)1 : lnum, | |
2780 ML_INSERT)) == NULL) | |
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|
2781 goto theend; |
7 | 2782 |
2783 buf->b_ml.ml_flags &= ~ML_EMPTY; | |
2784 | |
2785 if (lnum == 0) /* got line one instead, correct db_idx */ | |
2786 db_idx = -1; /* careful, it is negative! */ | |
2787 else | |
2788 db_idx = lnum - buf->b_ml.ml_locked_low; | |
2789 /* get line count before the insertion */ | |
2790 line_count = buf->b_ml.ml_locked_high - buf->b_ml.ml_locked_low; | |
2791 | |
2792 dp = (DATA_BL *)(hp->bh_data); | |
2793 | |
2794 /* | |
2795 * If | |
2796 * - there is not enough room in the current block | |
2797 * - appending to the last line in the block | |
2798 * - not appending to the last line in the file | |
2799 * insert in front of the next block. | |
2800 */ | |
2801 if ((int)dp->db_free < space_needed && db_idx == line_count - 1 | |
2802 && lnum < buf->b_ml.ml_line_count) | |
2803 { | |
2804 /* | |
2805 * Now that the line is not going to be inserted in the block that we | |
2806 * expected, the line count has to be adjusted in the pointer blocks | |
2807 * by using ml_locked_lineadd. | |
2808 */ | |
2809 --(buf->b_ml.ml_locked_lineadd); | |
2810 --(buf->b_ml.ml_locked_high); | |
2811 if ((hp = ml_find_line(buf, lnum + 1, ML_INSERT)) == NULL) | |
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diff
changeset
|
2812 goto theend; |
7 | 2813 |
2814 db_idx = -1; /* careful, it is negative! */ | |
2815 /* get line count before the insertion */ | |
2816 line_count = buf->b_ml.ml_locked_high - buf->b_ml.ml_locked_low; | |
2817 CHECK(buf->b_ml.ml_locked_low != lnum + 1, "locked_low != lnum + 1"); | |
2818 | |
2819 dp = (DATA_BL *)(hp->bh_data); | |
2820 } | |
2821 | |
2822 ++buf->b_ml.ml_line_count; | |
2823 | |
2824 if ((int)dp->db_free >= space_needed) /* enough room in data block */ | |
2825 { | |
15294
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diff
changeset
|
2826 /* |
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parents:
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diff
changeset
|
2827 * Insert the new line in an existing data block, or in the data block |
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diff
changeset
|
2828 * allocated above. |
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parents:
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diff
changeset
|
2829 */ |
7 | 2830 dp->db_txt_start -= len; |
2831 dp->db_free -= space_needed; | |
2832 ++(dp->db_line_count); | |
2833 | |
2834 /* | |
2835 * move the text of the lines that follow to the front | |
2836 * adjust the indexes of the lines that follow | |
2837 */ | |
2838 if (line_count > db_idx + 1) /* if there are following lines */ | |
2839 { | |
2840 /* | |
2841 * Offset is the start of the previous line. | |
2842 * This will become the character just after the new line. | |
2843 */ | |
2844 if (db_idx < 0) | |
2845 offset = dp->db_txt_end; | |
2846 else | |
2847 offset = ((dp->db_index[db_idx]) & DB_INDEX_MASK); | |
2848 mch_memmove((char *)dp + dp->db_txt_start, | |
2849 (char *)dp + dp->db_txt_start + len, | |
2850 (size_t)(offset - (dp->db_txt_start + len))); | |
2851 for (i = line_count - 1; i > db_idx; --i) | |
2852 dp->db_index[i + 1] = dp->db_index[i] - len; | |
2853 dp->db_index[db_idx + 1] = offset - len; | |
2854 } | |
15138
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diff
changeset
|
2855 else |
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diff
changeset
|
2856 // add line at the end (which is the start of the text) |
7 | 2857 dp->db_index[db_idx + 1] = dp->db_txt_start; |
2858 | |
2859 /* | |
2860 * copy the text into the block | |
2861 */ | |
2862 mch_memmove((char *)dp + dp->db_index[db_idx + 1], line, (size_t)len); | |
2863 if (mark) | |
2864 dp->db_index[db_idx + 1] |= DB_MARKED; | |
2865 | |
2866 /* | |
2867 * Mark the block dirty. | |
2868 */ | |
2869 buf->b_ml.ml_flags |= ML_LOCKED_DIRTY; | |
2870 if (!newfile) | |
2871 buf->b_ml.ml_flags |= ML_LOCKED_POS; | |
2872 } | |
2873 else /* not enough space in data block */ | |
2874 { | |
2875 long line_count_left, line_count_right; | |
2876 int page_count_left, page_count_right; | |
2877 bhdr_T *hp_left; | |
2878 bhdr_T *hp_right; | |
2879 bhdr_T *hp_new; | |
2880 int lines_moved; | |
2881 int data_moved = 0; /* init to shut up gcc */ | |
2882 int total_moved = 0; /* init to shut up gcc */ | |
2883 DATA_BL *dp_right, *dp_left; | |
2884 int stack_idx; | |
2885 int in_left; | |
2886 int lineadd; | |
2887 blocknr_T bnum_left, bnum_right; | |
2888 linenr_T lnum_left, lnum_right; | |
2889 int pb_idx; | |
2890 PTR_BL *pp_new; | |
2891 | |
2892 /* | |
15294
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diff
changeset
|
2893 * There is not enough room, we have to create a new data block and |
2d8225cc1315
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parents:
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diff
changeset
|
2894 * copy some lines into it. |
2d8225cc1315
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parents:
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diff
changeset
|
2895 * Then we have to insert an entry in the pointer block. |
2d8225cc1315
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Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2896 * If this pointer block also is full, we go up another block, and so |
2d8225cc1315
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Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2897 * on, up to the root if necessary. |
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Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2898 * The line counts in the pointer blocks have already been adjusted by |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
2899 * ml_find_line(). |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
2900 * |
7 | 2901 * We are going to allocate a new data block. Depending on the |
2902 * situation it will be put to the left or right of the existing | |
2903 * block. If possible we put the new line in the left block and move | |
2904 * the lines after it to the right block. Otherwise the new line is | |
2905 * also put in the right block. This method is more efficient when | |
2906 * inserting a lot of lines at one place. | |
2907 */ | |
2908 if (db_idx < 0) /* left block is new, right block is existing */ | |
2909 { | |
2910 lines_moved = 0; | |
2911 in_left = TRUE; | |
2912 /* space_needed does not change */ | |
2913 } | |
2914 else /* left block is existing, right block is new */ | |
2915 { | |
2916 lines_moved = line_count - db_idx - 1; | |
2917 if (lines_moved == 0) | |
2918 in_left = FALSE; /* put new line in right block */ | |
2919 /* space_needed does not change */ | |
2920 else | |
2921 { | |
2922 data_moved = ((dp->db_index[db_idx]) & DB_INDEX_MASK) - | |
2923 dp->db_txt_start; | |
2924 total_moved = data_moved + lines_moved * INDEX_SIZE; | |
2925 if ((int)dp->db_free + total_moved >= space_needed) | |
2926 { | |
2927 in_left = TRUE; /* put new line in left block */ | |
2928 space_needed = total_moved; | |
2929 } | |
2930 else | |
2931 { | |
2932 in_left = FALSE; /* put new line in right block */ | |
2933 space_needed += total_moved; | |
2934 } | |
2935 } | |
2936 } | |
2937 | |
2938 page_count = ((space_needed + HEADER_SIZE) + page_size - 1) / page_size; | |
2939 if ((hp_new = ml_new_data(mfp, newfile, page_count)) == NULL) | |
2940 { | |
2941 /* correct line counts in pointer blocks */ | |
2942 --(buf->b_ml.ml_locked_lineadd); | |
2943 --(buf->b_ml.ml_locked_high); | |
15294
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patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
2944 goto theend; |
7 | 2945 } |
2946 if (db_idx < 0) /* left block is new */ | |
2947 { | |
2948 hp_left = hp_new; | |
2949 hp_right = hp; | |
2950 line_count_left = 0; | |
2951 line_count_right = line_count; | |
2952 } | |
2953 else /* right block is new */ | |
2954 { | |
2955 hp_left = hp; | |
2956 hp_right = hp_new; | |
2957 line_count_left = line_count; | |
2958 line_count_right = 0; | |
2959 } | |
2960 dp_right = (DATA_BL *)(hp_right->bh_data); | |
2961 dp_left = (DATA_BL *)(hp_left->bh_data); | |
2962 bnum_left = hp_left->bh_bnum; | |
2963 bnum_right = hp_right->bh_bnum; | |
2964 page_count_left = hp_left->bh_page_count; | |
2965 page_count_right = hp_right->bh_page_count; | |
2966 | |
2967 /* | |
2968 * May move the new line into the right/new block. | |
2969 */ | |
2970 if (!in_left) | |
2971 { | |
2972 dp_right->db_txt_start -= len; | |
2973 dp_right->db_free -= len + INDEX_SIZE; | |
2974 dp_right->db_index[0] = dp_right->db_txt_start; | |
2975 if (mark) | |
2976 dp_right->db_index[0] |= DB_MARKED; | |
2977 | |
2978 mch_memmove((char *)dp_right + dp_right->db_txt_start, | |
2979 line, (size_t)len); | |
2980 ++line_count_right; | |
2981 } | |
2982 /* | |
2983 * may move lines from the left/old block to the right/new one. | |
2984 */ | |
2985 if (lines_moved) | |
2986 { | |
2987 /* | |
2988 */ | |
2989 dp_right->db_txt_start -= data_moved; | |
2990 dp_right->db_free -= total_moved; | |
2991 mch_memmove((char *)dp_right + dp_right->db_txt_start, | |
2992 (char *)dp_left + dp_left->db_txt_start, | |
2993 (size_t)data_moved); | |
2994 offset = dp_right->db_txt_start - dp_left->db_txt_start; | |
2995 dp_left->db_txt_start += data_moved; | |
2996 dp_left->db_free += total_moved; | |
2997 | |
2998 /* | |
2999 * update indexes in the new block | |
3000 */ | |
3001 for (to = line_count_right, from = db_idx + 1; | |
3002 from < line_count_left; ++from, ++to) | |
3003 dp_right->db_index[to] = dp->db_index[from] + offset; | |
3004 line_count_right += lines_moved; | |
3005 line_count_left -= lines_moved; | |
3006 } | |
3007 | |
3008 /* | |
3009 * May move the new line into the left (old or new) block. | |
3010 */ | |
3011 if (in_left) | |
3012 { | |
3013 dp_left->db_txt_start -= len; | |
3014 dp_left->db_free -= len + INDEX_SIZE; | |
3015 dp_left->db_index[line_count_left] = dp_left->db_txt_start; | |
3016 if (mark) | |
3017 dp_left->db_index[line_count_left] |= DB_MARKED; | |
3018 mch_memmove((char *)dp_left + dp_left->db_txt_start, | |
3019 line, (size_t)len); | |
3020 ++line_count_left; | |
3021 } | |
3022 | |
3023 if (db_idx < 0) /* left block is new */ | |
3024 { | |
3025 lnum_left = lnum + 1; | |
3026 lnum_right = 0; | |
3027 } | |
3028 else /* right block is new */ | |
3029 { | |
3030 lnum_left = 0; | |
3031 if (in_left) | |
3032 lnum_right = lnum + 2; | |
3033 else | |
3034 lnum_right = lnum + 1; | |
3035 } | |
3036 dp_left->db_line_count = line_count_left; | |
3037 dp_right->db_line_count = line_count_right; | |
3038 | |
3039 /* | |
3040 * release the two data blocks | |
3041 * The new one (hp_new) already has a correct blocknumber. | |
3042 * The old one (hp, in ml_locked) gets a positive blocknumber if | |
3043 * we changed it and we are not editing a new file. | |
3044 */ | |
3045 if (lines_moved || in_left) | |
3046 buf->b_ml.ml_flags |= ML_LOCKED_DIRTY; | |
3047 if (!newfile && db_idx >= 0 && in_left) | |
3048 buf->b_ml.ml_flags |= ML_LOCKED_POS; | |
3049 mf_put(mfp, hp_new, TRUE, FALSE); | |
3050 | |
3051 /* | |
3052 * flush the old data block | |
3053 * set ml_locked_lineadd to 0, because the updating of the | |
3054 * pointer blocks is done below | |
3055 */ | |
3056 lineadd = buf->b_ml.ml_locked_lineadd; | |
3057 buf->b_ml.ml_locked_lineadd = 0; | |
3058 ml_find_line(buf, (linenr_T)0, ML_FLUSH); /* flush data block */ | |
3059 | |
3060 /* | |
3061 * update pointer blocks for the new data block | |
3062 */ | |
3063 for (stack_idx = buf->b_ml.ml_stack_top - 1; stack_idx >= 0; | |
3064 --stack_idx) | |
3065 { | |
3066 ip = &(buf->b_ml.ml_stack[stack_idx]); | |
3067 pb_idx = ip->ip_index; | |
3068 if ((hp = mf_get(mfp, ip->ip_bnum, 1)) == NULL) | |
15294
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
3069 goto theend; |
7 | 3070 pp = (PTR_BL *)(hp->bh_data); /* must be pointer block */ |
3071 if (pp->pb_id != PTR_ID) | |
3072 { | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
3073 iemsg(_("E317: pointer block id wrong 3")); |
7 | 3074 mf_put(mfp, hp, FALSE, FALSE); |
15294
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
3075 goto theend; |
7 | 3076 } |
3077 /* | |
3078 * TODO: If the pointer block is full and we are adding at the end | |
3079 * try to insert in front of the next block | |
3080 */ | |
3081 /* block not full, add one entry */ | |
3082 if (pp->pb_count < pp->pb_count_max) | |
3083 { | |
3084 if (pb_idx + 1 < (int)pp->pb_count) | |
3085 mch_memmove(&pp->pb_pointer[pb_idx + 2], | |
3086 &pp->pb_pointer[pb_idx + 1], | |
3087 (size_t)(pp->pb_count - pb_idx - 1) * sizeof(PTR_EN)); | |
3088 ++pp->pb_count; | |
3089 pp->pb_pointer[pb_idx].pe_line_count = line_count_left; | |
3090 pp->pb_pointer[pb_idx].pe_bnum = bnum_left; | |
3091 pp->pb_pointer[pb_idx].pe_page_count = page_count_left; | |
3092 pp->pb_pointer[pb_idx + 1].pe_line_count = line_count_right; | |
3093 pp->pb_pointer[pb_idx + 1].pe_bnum = bnum_right; | |
3094 pp->pb_pointer[pb_idx + 1].pe_page_count = page_count_right; | |
3095 | |
3096 if (lnum_left != 0) | |
3097 pp->pb_pointer[pb_idx].pe_old_lnum = lnum_left; | |
3098 if (lnum_right != 0) | |
3099 pp->pb_pointer[pb_idx + 1].pe_old_lnum = lnum_right; | |
3100 | |
3101 mf_put(mfp, hp, TRUE, FALSE); | |
3102 buf->b_ml.ml_stack_top = stack_idx + 1; /* truncate stack */ | |
3103 | |
3104 if (lineadd) | |
3105 { | |
3106 --(buf->b_ml.ml_stack_top); | |
1167 | 3107 /* fix line count for rest of blocks in the stack */ |
7 | 3108 ml_lineadd(buf, lineadd); |
3109 /* fix stack itself */ | |
3110 buf->b_ml.ml_stack[buf->b_ml.ml_stack_top].ip_high += | |
3111 lineadd; | |
3112 ++(buf->b_ml.ml_stack_top); | |
3113 } | |
3114 | |
3115 /* | |
3116 * We are finished, break the loop here. | |
3117 */ | |
3118 break; | |
3119 } | |
3120 else /* pointer block full */ | |
3121 { | |
3122 /* | |
3123 * split the pointer block | |
3124 * allocate a new pointer block | |
3125 * move some of the pointer into the new block | |
3126 * prepare for updating the parent block | |
3127 */ | |
3128 for (;;) /* do this twice when splitting block 1 */ | |
3129 { | |
3130 hp_new = ml_new_ptr(mfp); | |
3131 if (hp_new == NULL) /* TODO: try to fix tree */ | |
15294
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Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
3132 goto theend; |
7 | 3133 pp_new = (PTR_BL *)(hp_new->bh_data); |
3134 | |
3135 if (hp->bh_bnum != 1) | |
3136 break; | |
3137 | |
3138 /* | |
3139 * if block 1 becomes full the tree is given an extra level | |
3140 * The pointers from block 1 are moved into the new block. | |
3141 * block 1 is updated to point to the new block | |
3142 * then continue to split the new block | |
3143 */ | |
3144 mch_memmove(pp_new, pp, (size_t)page_size); | |
3145 pp->pb_count = 1; | |
3146 pp->pb_pointer[0].pe_bnum = hp_new->bh_bnum; | |
3147 pp->pb_pointer[0].pe_line_count = buf->b_ml.ml_line_count; | |
3148 pp->pb_pointer[0].pe_old_lnum = 1; | |
3149 pp->pb_pointer[0].pe_page_count = 1; | |
3150 mf_put(mfp, hp, TRUE, FALSE); /* release block 1 */ | |
3151 hp = hp_new; /* new block is to be split */ | |
3152 pp = pp_new; | |
3153 CHECK(stack_idx != 0, _("stack_idx should be 0")); | |
3154 ip->ip_index = 0; | |
3155 ++stack_idx; /* do block 1 again later */ | |
3156 } | |
3157 /* | |
3158 * move the pointers after the current one to the new block | |
3159 * If there are none, the new entry will be in the new block. | |
3160 */ | |
3161 total_moved = pp->pb_count - pb_idx - 1; | |
3162 if (total_moved) | |
3163 { | |
3164 mch_memmove(&pp_new->pb_pointer[0], | |
3165 &pp->pb_pointer[pb_idx + 1], | |
3166 (size_t)(total_moved) * sizeof(PTR_EN)); | |
3167 pp_new->pb_count = total_moved; | |
3168 pp->pb_count -= total_moved - 1; | |
3169 pp->pb_pointer[pb_idx + 1].pe_bnum = bnum_right; | |
3170 pp->pb_pointer[pb_idx + 1].pe_line_count = line_count_right; | |
3171 pp->pb_pointer[pb_idx + 1].pe_page_count = page_count_right; | |
3172 if (lnum_right) | |
3173 pp->pb_pointer[pb_idx + 1].pe_old_lnum = lnum_right; | |
3174 } | |
3175 else | |
3176 { | |
3177 pp_new->pb_count = 1; | |
3178 pp_new->pb_pointer[0].pe_bnum = bnum_right; | |
3179 pp_new->pb_pointer[0].pe_line_count = line_count_right; | |
3180 pp_new->pb_pointer[0].pe_page_count = page_count_right; | |
3181 pp_new->pb_pointer[0].pe_old_lnum = lnum_right; | |
3182 } | |
3183 pp->pb_pointer[pb_idx].pe_bnum = bnum_left; | |
3184 pp->pb_pointer[pb_idx].pe_line_count = line_count_left; | |
3185 pp->pb_pointer[pb_idx].pe_page_count = page_count_left; | |
3186 if (lnum_left) | |
3187 pp->pb_pointer[pb_idx].pe_old_lnum = lnum_left; | |
3188 lnum_left = 0; | |
3189 lnum_right = 0; | |
3190 | |
3191 /* | |
3192 * recompute line counts | |
3193 */ | |
3194 line_count_right = 0; | |
3195 for (i = 0; i < (int)pp_new->pb_count; ++i) | |
3196 line_count_right += pp_new->pb_pointer[i].pe_line_count; | |
3197 line_count_left = 0; | |
3198 for (i = 0; i < (int)pp->pb_count; ++i) | |
3199 line_count_left += pp->pb_pointer[i].pe_line_count; | |
3200 | |
3201 bnum_left = hp->bh_bnum; | |
3202 bnum_right = hp_new->bh_bnum; | |
3203 page_count_left = 1; | |
3204 page_count_right = 1; | |
3205 mf_put(mfp, hp, TRUE, FALSE); | |
3206 mf_put(mfp, hp_new, TRUE, FALSE); | |
3207 } | |
3208 } | |
3209 | |
3210 /* | |
3211 * Safety check: fallen out of for loop? | |
3212 */ | |
3213 if (stack_idx < 0) | |
3214 { | |
15470
55ccc2d353bd
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Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
3215 iemsg(_("E318: Updated too many blocks?")); |
7 | 3216 buf->b_ml.ml_stack_top = 0; /* invalidate stack */ |
3217 } | |
3218 } | |
3219 | |
3220 #ifdef FEAT_BYTEOFF | |
3221 /* The line was inserted below 'lnum' */ | |
3222 ml_updatechunk(buf, lnum + 1, (long)len, ML_CHNK_ADDLINE); | |
3223 #endif | |
3224 #ifdef FEAT_NETBEANS_INTG | |
2210 | 3225 if (netbeans_active()) |
7 | 3226 { |
3227 if (STRLEN(line) > 0) | |
835 | 3228 netbeans_inserted(buf, lnum+1, (colnr_T)0, line, (int)STRLEN(line)); |
34 | 3229 netbeans_inserted(buf, lnum+1, (colnr_T)STRLEN(line), |
7 | 3230 (char_u *)"\n", 1); |
3231 } | |
3232 #endif | |
8493
caed4b2d305f
commit https://github.com/vim/vim/commit/509ce2a558e7e0c03242e32e844255af52f1c821
Christian Brabandt <cb@256bit.org>
parents:
8422
diff
changeset
|
3233 #ifdef FEAT_JOB_CHANNEL |
8422
5d2c84be23b5
commit https://github.com/vim/vim/commit/99ef06296f3c37490511c03786a2c8672e015c56
Christian Brabandt <cb@256bit.org>
parents:
8212
diff
changeset
|
3234 if (buf->b_write_to_channel) |
5d2c84be23b5
commit https://github.com/vim/vim/commit/99ef06296f3c37490511c03786a2c8672e015c56
Christian Brabandt <cb@256bit.org>
parents:
8212
diff
changeset
|
3235 channel_write_new_lines(buf); |
5d2c84be23b5
commit https://github.com/vim/vim/commit/99ef06296f3c37490511c03786a2c8672e015c56
Christian Brabandt <cb@256bit.org>
parents:
8212
diff
changeset
|
3236 #endif |
15294
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
3237 ret = OK; |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
3238 |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
3239 theend: |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
3240 #ifdef FEAT_TEXT_PROP |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
3241 vim_free(tofree); |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
3242 #endif |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
3243 return ret; |
7 | 3244 } |
3245 | |
3246 /* | |
625 | 3247 * Replace line lnum, with buffering, in current buffer. |
7 | 3248 * |
720 | 3249 * If "copy" is TRUE, make a copy of the line, otherwise the line has been |
7 | 3250 * copied to allocated memory already. |
3251 * | |
3252 * Check: The caller of this function should probably also call | |
3253 * changed_lines(), unless update_screen(NOT_VALID) is used. | |
3254 * | |
3255 * return FAIL for failure, OK otherwise | |
3256 */ | |
3257 int | |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
3258 ml_replace(linenr_T lnum, char_u *line, int copy) |
7 | 3259 { |
15138
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3260 colnr_T len = -1; |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3261 |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3262 if (line != NULL) |
15182
4b2de998ebd6
patch 8.1.0601: a few compiler warnings
Bram Moolenaar <Bram@vim.org>
parents:
15142
diff
changeset
|
3263 len = (colnr_T)STRLEN(line); |
15361
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3264 return ml_replace_len(lnum, line, len, FALSE, copy); |
15138
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3265 } |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3266 |
15361
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3267 /* |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3268 * Replace a line for the current buffer. Like ml_replace() with: |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3269 * "len_arg" is the length of the text, excluding NUL. |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3270 * If "has_props" is TRUE then "line_arg" includes the text properties and |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3271 * "len_arg" includes the NUL of the text. |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3272 */ |
15138
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3273 int |
15361
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3274 ml_replace_len( |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3275 linenr_T lnum, |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3276 char_u *line_arg, |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3277 colnr_T len_arg, |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3278 int has_props, |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3279 int copy) |
15138
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3280 { |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3281 char_u *line = line_arg; |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3282 colnr_T len = len_arg; |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3283 |
7 | 3284 if (line == NULL) /* just checking... */ |
3285 return FAIL; | |
3286 | |
3287 /* When starting up, we might still need to create the memfile */ | |
2394
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
3288 if (curbuf->b_ml.ml_mfp == NULL && open_buffer(FALSE, NULL, 0) == FAIL) |
7 | 3289 return FAIL; |
3290 | |
15361
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3291 if (!has_props) |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3292 ++len; // include the NUL after the text |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3293 if (copy) |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3294 { |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3295 // copy the line to allocated memory |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3296 #ifdef FEAT_TEXT_PROP |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3297 if (has_props) |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3298 line = vim_memsave(line, len); |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3299 else |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3300 #endif |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3301 line = vim_strnsave(line, len - 1); |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3302 if (line == NULL) |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3303 return FAIL; |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3304 } |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3305 |
7 | 3306 #ifdef FEAT_NETBEANS_INTG |
2210 | 3307 if (netbeans_active()) |
7 | 3308 { |
3309 netbeans_removed(curbuf, lnum, 0, (long)STRLEN(ml_get(lnum))); | |
835 | 3310 netbeans_inserted(curbuf, lnum, 0, line, (int)STRLEN(line)); |
7 | 3311 } |
3312 #endif | |
15138
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3313 if (curbuf->b_ml.ml_line_lnum != lnum) |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3314 { |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3315 // another line is buffered, flush it |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3316 ml_flush_line(curbuf); |
15142
7713ceb8c593
patch 8.1.0581: double free without the text properties feature
Bram Moolenaar <Bram@vim.org>
parents:
15138
diff
changeset
|
3317 curbuf->b_ml.ml_flags &= ~ML_LINE_DIRTY; |
15138
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3318 |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3319 #ifdef FEAT_TEXT_PROP |
15361
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3320 if (curbuf->b_has_textprop && !has_props) |
15138
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3321 // Need to fetch the old line to copy over any text properties. |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3322 ml_get_buf(curbuf, lnum, TRUE); |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3323 #endif |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3324 } |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3325 |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3326 #ifdef FEAT_TEXT_PROP |
15361
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3327 if (curbuf->b_has_textprop && !has_props) |
15138
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3328 { |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3329 size_t oldtextlen = STRLEN(curbuf->b_ml.ml_line_ptr) + 1; |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3330 |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3331 if (oldtextlen < (size_t)curbuf->b_ml.ml_line_len) |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3332 { |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3333 char_u *newline; |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3334 size_t textproplen = curbuf->b_ml.ml_line_len - oldtextlen; |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3335 |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3336 // Need to copy over text properties, stored after the text. |
15361
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3337 newline = alloc(len + (int)textproplen); |
15138
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3338 if (newline != NULL) |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3339 { |
15361
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3340 mch_memmove(newline, line, len); |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3341 mch_memmove(newline + len, curbuf->b_ml.ml_line_ptr + oldtextlen, textproplen); |
15138
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3342 vim_free(line); |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3343 line = newline; |
15182
4b2de998ebd6
patch 8.1.0601: a few compiler warnings
Bram Moolenaar <Bram@vim.org>
parents:
15142
diff
changeset
|
3344 len += (colnr_T)textproplen; |
15138
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3345 } |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3346 } |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3347 } |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3348 #endif |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3349 |
15361
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3350 if (curbuf->b_ml.ml_flags & ML_LINE_DIRTY) // same line allocated |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3351 vim_free(curbuf->b_ml.ml_line_ptr); // free it |
15138
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3352 |
7 | 3353 curbuf->b_ml.ml_line_ptr = line; |
15361
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3354 curbuf->b_ml.ml_line_len = len; |
7 | 3355 curbuf->b_ml.ml_line_lnum = lnum; |
3356 curbuf->b_ml.ml_flags = (curbuf->b_ml.ml_flags | ML_LINE_DIRTY) & ~ML_EMPTY; | |
3357 | |
3358 return OK; | |
3359 } | |
3360 | |
15292
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3361 #ifdef FEAT_TEXT_PROP |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3362 /* |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3363 * Adjust text properties in line "lnum" for a deleted line. |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3364 * When "above" is true this is the line above the deleted line. |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3365 * "del_props" are the properties of the deleted line. |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3366 */ |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3367 static void |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3368 adjust_text_props_for_delete( |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3369 buf_T *buf, |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3370 linenr_T lnum, |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3371 char_u *del_props, |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3372 int del_props_len, |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3373 int above) |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3374 { |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3375 int did_get_line = FALSE; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3376 int done_del; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3377 int done_this; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3378 textprop_T prop_del; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3379 textprop_T prop_this; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3380 bhdr_T *hp; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3381 DATA_BL *dp; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3382 int idx; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3383 int line_start; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3384 long line_size; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3385 int this_props_len; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3386 char_u *text; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3387 size_t textlen; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3388 int found; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3389 |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3390 for (done_del = 0; done_del < del_props_len; done_del += sizeof(textprop_T)) |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3391 { |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3392 mch_memmove(&prop_del, del_props + done_del, sizeof(textprop_T)); |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3393 if ((above && (prop_del.tp_flags & TP_FLAG_CONT_PREV) |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3394 && !(prop_del.tp_flags & TP_FLAG_CONT_NEXT)) |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3395 || (!above && (prop_del.tp_flags & TP_FLAG_CONT_NEXT) |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3396 && !(prop_del.tp_flags & TP_FLAG_CONT_PREV))) |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3397 { |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3398 if (!did_get_line) |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3399 { |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3400 did_get_line = TRUE; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3401 if ((hp = ml_find_line(buf, lnum, ML_FIND)) == NULL) |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3402 return; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3403 |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3404 dp = (DATA_BL *)(hp->bh_data); |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3405 idx = lnum - buf->b_ml.ml_locked_low; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3406 line_start = ((dp->db_index[idx]) & DB_INDEX_MASK); |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3407 if (idx == 0) // first line in block, text at the end |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3408 line_size = dp->db_txt_end - line_start; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3409 else |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3410 line_size = ((dp->db_index[idx - 1]) & DB_INDEX_MASK) - line_start; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3411 text = (char_u *)dp + line_start; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3412 textlen = STRLEN(text) + 1; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3413 if ((long)textlen >= line_size) |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3414 { |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3415 if (above) |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3416 internal_error("no text property above deleted line"); |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3417 else |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3418 internal_error("no text property below deleted line"); |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3419 return; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3420 } |
15353
21580db06cf3
patch 8.1.0684: warnings from 64-bit compiler
Bram Moolenaar <Bram@vim.org>
parents:
15294
diff
changeset
|
3421 this_props_len = line_size - (int)textlen; |
15292
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3422 } |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3423 |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3424 found = FALSE; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3425 for (done_this = 0; done_this < this_props_len; done_this += sizeof(textprop_T)) |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3426 { |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3427 mch_memmove(&prop_this, text + textlen + done_del, sizeof(textprop_T)); |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3428 if (prop_del.tp_id == prop_this.tp_id |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3429 && prop_del.tp_type == prop_this.tp_type) |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3430 { |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3431 int flag = above ? TP_FLAG_CONT_NEXT : TP_FLAG_CONT_PREV; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3432 |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3433 found = TRUE; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3434 if (prop_this.tp_flags & flag) |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3435 { |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3436 prop_this.tp_flags &= ~flag; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3437 mch_memmove(text + textlen + done_del, &prop_this, sizeof(textprop_T)); |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3438 } |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3439 else if (above) |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3440 internal_error("text property above deleted line does not continue"); |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3441 else |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3442 internal_error("text property below deleted line does not continue"); |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3443 } |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3444 } |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3445 if (!found) |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3446 { |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3447 if (above) |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3448 internal_error("text property above deleted line not found"); |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3449 else |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3450 internal_error("text property below deleted line not found"); |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3451 } |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3452 |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3453 buf->b_ml.ml_flags |= (ML_LOCKED_DIRTY | ML_LOCKED_POS); |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3454 } |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3455 } |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3456 } |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3457 #endif |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3458 |
7 | 3459 /* |
12477
68d7bc045dbe
patch 8.0.1118: FEAT_WINDOWS adds a lot of #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
11158
diff
changeset
|
3460 * Delete line "lnum" in the current buffer. |
68d7bc045dbe
patch 8.0.1118: FEAT_WINDOWS adds a lot of #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
11158
diff
changeset
|
3461 * When "message" is TRUE may give a "No lines in buffer" message. |
7 | 3462 * |
3463 * Check: The caller of this function should probably also call | |
3464 * deleted_lines() after this. | |
3465 * | |
3466 * return FAIL for failure, OK otherwise | |
3467 */ | |
3468 int | |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
3469 ml_delete(linenr_T lnum, int message) |
7 | 3470 { |
3471 ml_flush_line(curbuf); | |
3472 return ml_delete_int(curbuf, lnum, message); | |
3473 } | |
3474 | |
3475 static int | |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
3476 ml_delete_int(buf_T *buf, linenr_T lnum, int message) |
7 | 3477 { |
3478 bhdr_T *hp; | |
3479 memfile_T *mfp; | |
3480 DATA_BL *dp; | |
3481 PTR_BL *pp; | |
3482 infoptr_T *ip; | |
3483 int count; /* number of entries in block */ | |
3484 int idx; | |
3485 int stack_idx; | |
3486 int text_start; | |
3487 int line_start; | |
3488 long line_size; | |
3489 int i; | |
15292
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3490 int ret = FAIL; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3491 #ifdef FEAT_TEXT_PROP |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3492 char_u *textprop_save = NULL; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3493 int textprop_save_len; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3494 #endif |
7 | 3495 |
3496 if (lnum < 1 || lnum > buf->b_ml.ml_line_count) | |
3497 return FAIL; | |
3498 | |
3499 if (lowest_marked && lowest_marked > lnum) | |
3500 lowest_marked--; | |
3501 | |
3502 /* | |
3503 * If the file becomes empty the last line is replaced by an empty line. | |
3504 */ | |
3505 if (buf->b_ml.ml_line_count == 1) /* file becomes empty */ | |
3506 { | |
3507 if (message | |
3508 #ifdef FEAT_NETBEANS_INTG | |
3509 && !netbeansSuppressNoLines | |
3510 #endif | |
3511 ) | |
680 | 3512 set_keep_msg((char_u *)_(no_lines_msg), 0); |
3513 | |
4352 | 3514 /* FEAT_BYTEOFF already handled in there, don't worry 'bout it below */ |
7 | 3515 i = ml_replace((linenr_T)1, (char_u *)"", TRUE); |
3516 buf->b_ml.ml_flags |= ML_EMPTY; | |
3517 | |
3518 return i; | |
3519 } | |
3520 | |
3521 /* | |
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diff
changeset
|
3522 * Find the data block containing the line. |
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diff
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|
3523 * This also fills the stack with the blocks from the root to the data block. |
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diff
changeset
|
3524 * This also releases any locked block.. |
7 | 3525 */ |
3526 mfp = buf->b_ml.ml_mfp; | |
3527 if (mfp == NULL) | |
3528 return FAIL; | |
3529 | |
3530 if ((hp = ml_find_line(buf, lnum, ML_DELETE)) == NULL) | |
3531 return FAIL; | |
3532 | |
3533 dp = (DATA_BL *)(hp->bh_data); | |
3534 /* compute line count before the delete */ | |
3535 count = (long)(buf->b_ml.ml_locked_high) | |
3536 - (long)(buf->b_ml.ml_locked_low) + 2; | |
3537 idx = lnum - buf->b_ml.ml_locked_low; | |
3538 | |
3539 --buf->b_ml.ml_line_count; | |
3540 | |
3541 line_start = ((dp->db_index[idx]) & DB_INDEX_MASK); | |
3542 if (idx == 0) /* first line in block, text at the end */ | |
3543 line_size = dp->db_txt_end - line_start; | |
3544 else | |
3545 line_size = ((dp->db_index[idx - 1]) & DB_INDEX_MASK) - line_start; | |
3546 | |
3547 #ifdef FEAT_NETBEANS_INTG | |
2210 | 3548 if (netbeans_active()) |
34 | 3549 netbeans_removed(buf, lnum, 0, (long)line_size); |
7 | 3550 #endif |
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diff
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|
3551 #ifdef FEAT_TEXT_PROP |
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diff
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|
3552 // If there are text properties, make a copy, so that we can update |
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diff
changeset
|
3553 // properties in preceding and following lines. |
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diff
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|
3554 if (buf->b_has_textprop) |
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diff
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|
3555 { |
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diff
changeset
|
3556 size_t textlen = STRLEN((char_u *)dp + line_start) + 1; |
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|
3557 |
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diff
changeset
|
3558 if ((long)textlen < line_size) |
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diff
changeset
|
3559 { |
15353
21580db06cf3
patch 8.1.0684: warnings from 64-bit compiler
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diff
changeset
|
3560 textprop_save_len = line_size - (int)textlen; |
15292
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|
3561 textprop_save = vim_memsave((char_u *)dp + line_start + textlen, |
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diff
changeset
|
3562 textprop_save_len); |
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diff
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|
3563 } |
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|
3564 } |
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diff
changeset
|
3565 #endif |
7 | 3566 |
3567 /* | |
3568 * special case: If there is only one line in the data block it becomes empty. | |
3569 * Then we have to remove the entry, pointing to this data block, from the | |
3570 * pointer block. If this pointer block also becomes empty, we go up another | |
3571 * block, and so on, up to the root if necessary. | |
3572 * The line counts in the pointer blocks have already been adjusted by | |
3573 * ml_find_line(). | |
3574 */ | |
3575 if (count == 1) | |
3576 { | |
3577 mf_free(mfp, hp); /* free the data block */ | |
3578 buf->b_ml.ml_locked = NULL; | |
3579 | |
2823 | 3580 for (stack_idx = buf->b_ml.ml_stack_top - 1; stack_idx >= 0; |
3581 --stack_idx) | |
7 | 3582 { |
3583 buf->b_ml.ml_stack_top = 0; /* stack is invalid when failing */ | |
3584 ip = &(buf->b_ml.ml_stack[stack_idx]); | |
3585 idx = ip->ip_index; | |
3586 if ((hp = mf_get(mfp, ip->ip_bnum, 1)) == NULL) | |
15292
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diff
changeset
|
3587 goto theend; |
7 | 3588 pp = (PTR_BL *)(hp->bh_data); /* must be pointer block */ |
3589 if (pp->pb_id != PTR_ID) | |
3590 { | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
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15361
diff
changeset
|
3591 iemsg(_("E317: pointer block id wrong 4")); |
7 | 3592 mf_put(mfp, hp, FALSE, FALSE); |
15292
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diff
changeset
|
3593 goto theend; |
7 | 3594 } |
3595 count = --(pp->pb_count); | |
3596 if (count == 0) /* the pointer block becomes empty! */ | |
3597 mf_free(mfp, hp); | |
3598 else | |
3599 { | |
3600 if (count != idx) /* move entries after the deleted one */ | |
3601 mch_memmove(&pp->pb_pointer[idx], &pp->pb_pointer[idx + 1], | |
3602 (size_t)(count - idx) * sizeof(PTR_EN)); | |
3603 mf_put(mfp, hp, TRUE, FALSE); | |
3604 | |
3605 buf->b_ml.ml_stack_top = stack_idx; /* truncate stack */ | |
1167 | 3606 /* fix line count for rest of blocks in the stack */ |
3607 if (buf->b_ml.ml_locked_lineadd != 0) | |
7 | 3608 { |
3609 ml_lineadd(buf, buf->b_ml.ml_locked_lineadd); | |
3610 buf->b_ml.ml_stack[buf->b_ml.ml_stack_top].ip_high += | |
1167 | 3611 buf->b_ml.ml_locked_lineadd; |
7 | 3612 } |
3613 ++(buf->b_ml.ml_stack_top); | |
3614 | |
3615 break; | |
3616 } | |
3617 } | |
3618 CHECK(stack_idx < 0, _("deleted block 1?")); | |
3619 } | |
3620 else | |
3621 { | |
3622 /* | |
3623 * delete the text by moving the next lines forwards | |
3624 */ | |
3625 text_start = dp->db_txt_start; | |
3626 mch_memmove((char *)dp + text_start + line_size, | |
3627 (char *)dp + text_start, (size_t)(line_start - text_start)); | |
3628 | |
3629 /* | |
3630 * delete the index by moving the next indexes backwards | |
3631 * Adjust the indexes for the text movement. | |
3632 */ | |
3633 for (i = idx; i < count - 1; ++i) | |
3634 dp->db_index[i] = dp->db_index[i + 1] + line_size; | |
3635 | |
3636 dp->db_free += line_size + INDEX_SIZE; | |
3637 dp->db_txt_start += line_size; | |
3638 --(dp->db_line_count); | |
3639 | |
3640 /* | |
3641 * mark the block dirty and make sure it is in the file (for recovery) | |
3642 */ | |
3643 buf->b_ml.ml_flags |= (ML_LOCKED_DIRTY | ML_LOCKED_POS); | |
3644 } | |
3645 | |
3646 #ifdef FEAT_BYTEOFF | |
3647 ml_updatechunk(buf, lnum, line_size, ML_CHNK_DELLINE); | |
3648 #endif | |
15292
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parents:
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diff
changeset
|
3649 ret = OK; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
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parents:
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diff
changeset
|
3650 |
ba6f0f1bb9d0
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
3651 theend: |
ba6f0f1bb9d0
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Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
3652 #ifdef FEAT_TEXT_PROP |
ba6f0f1bb9d0
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parents:
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diff
changeset
|
3653 if (textprop_save != NULL) |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
3654 { |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
3655 // Adjust text properties in the line above and below. |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
3656 if (lnum > 1) |
ba6f0f1bb9d0
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Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
3657 adjust_text_props_for_delete(buf, lnum - 1, textprop_save, textprop_save_len, TRUE); |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3658 if (lnum <= buf->b_ml.ml_line_count) |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3659 adjust_text_props_for_delete(buf, lnum, textprop_save, textprop_save_len, FALSE); |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
3660 } |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
3661 vim_free(textprop_save); |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
3662 #endif |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
3663 return ret; |
7 | 3664 } |
3665 | |
3666 /* | |
15292
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
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15269
diff
changeset
|
3667 * set the DB_MARKED flag for line 'lnum' |
7 | 3668 */ |
3669 void | |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
3670 ml_setmarked(linenr_T lnum) |
7 | 3671 { |
3672 bhdr_T *hp; | |
3673 DATA_BL *dp; | |
3674 /* invalid line number */ | |
3675 if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count | |
3676 || curbuf->b_ml.ml_mfp == NULL) | |
3677 return; /* give error message? */ | |
3678 | |
3679 if (lowest_marked == 0 || lowest_marked > lnum) | |
3680 lowest_marked = lnum; | |
3681 | |
3682 /* | |
3683 * find the data block containing the line | |
3684 * This also fills the stack with the blocks from the root to the data block | |
3685 * This also releases any locked block. | |
3686 */ | |
3687 if ((hp = ml_find_line(curbuf, lnum, ML_FIND)) == NULL) | |
3688 return; /* give error message? */ | |
3689 | |
3690 dp = (DATA_BL *)(hp->bh_data); | |
3691 dp->db_index[lnum - curbuf->b_ml.ml_locked_low] |= DB_MARKED; | |
3692 curbuf->b_ml.ml_flags |= ML_LOCKED_DIRTY; | |
3693 } | |
3694 | |
3695 /* | |
15292
ba6f0f1bb9d0
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
3696 * find the first line with its DB_MARKED flag set |
7 | 3697 */ |
3698 linenr_T | |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
3699 ml_firstmarked(void) |
7 | 3700 { |
3701 bhdr_T *hp; | |
3702 DATA_BL *dp; | |
3703 linenr_T lnum; | |
3704 int i; | |
3705 | |
3706 if (curbuf->b_ml.ml_mfp == NULL) | |
3707 return (linenr_T) 0; | |
3708 | |
3709 /* | |
3710 * The search starts with lowest_marked line. This is the last line where | |
3711 * a mark was found, adjusted by inserting/deleting lines. | |
3712 */ | |
3713 for (lnum = lowest_marked; lnum <= curbuf->b_ml.ml_line_count; ) | |
3714 { | |
3715 /* | |
3716 * Find the data block containing the line. | |
3717 * This also fills the stack with the blocks from the root to the data | |
3718 * block This also releases any locked block. | |
3719 */ | |
3720 if ((hp = ml_find_line(curbuf, lnum, ML_FIND)) == NULL) | |
3721 return (linenr_T)0; /* give error message? */ | |
3722 | |
3723 dp = (DATA_BL *)(hp->bh_data); | |
3724 | |
3725 for (i = lnum - curbuf->b_ml.ml_locked_low; | |
3726 lnum <= curbuf->b_ml.ml_locked_high; ++i, ++lnum) | |
3727 if ((dp->db_index[i]) & DB_MARKED) | |
3728 { | |
3729 (dp->db_index[i]) &= DB_INDEX_MASK; | |
3730 curbuf->b_ml.ml_flags |= ML_LOCKED_DIRTY; | |
3731 lowest_marked = lnum + 1; | |
3732 return lnum; | |
3733 } | |
3734 } | |
3735 | |
3736 return (linenr_T) 0; | |
3737 } | |
3738 | |
3739 /* | |
3740 * clear all DB_MARKED flags | |
3741 */ | |
3742 void | |
7827
41789f16d6b2
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Christian Brabandt <cb@256bit.org>
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7803
diff
changeset
|
3743 ml_clearmarked(void) |
7 | 3744 { |
3745 bhdr_T *hp; | |
3746 DATA_BL *dp; | |
3747 linenr_T lnum; | |
3748 int i; | |
3749 | |
3750 if (curbuf->b_ml.ml_mfp == NULL) /* nothing to do */ | |
3751 return; | |
3752 | |
3753 /* | |
3754 * The search starts with line lowest_marked. | |
3755 */ | |
3756 for (lnum = lowest_marked; lnum <= curbuf->b_ml.ml_line_count; ) | |
3757 { | |
3758 /* | |
3759 * Find the data block containing the line. | |
3760 * This also fills the stack with the blocks from the root to the data | |
3761 * block and releases any locked block. | |
3762 */ | |
3763 if ((hp = ml_find_line(curbuf, lnum, ML_FIND)) == NULL) | |
3764 return; /* give error message? */ | |
3765 | |
3766 dp = (DATA_BL *)(hp->bh_data); | |
3767 | |
3768 for (i = lnum - curbuf->b_ml.ml_locked_low; | |
3769 lnum <= curbuf->b_ml.ml_locked_high; ++i, ++lnum) | |
3770 if ((dp->db_index[i]) & DB_MARKED) | |
3771 { | |
3772 (dp->db_index[i]) &= DB_INDEX_MASK; | |
3773 curbuf->b_ml.ml_flags |= ML_LOCKED_DIRTY; | |
3774 } | |
3775 } | |
3776 | |
3777 lowest_marked = 0; | |
3778 return; | |
3779 } | |
3780 | |
3781 /* | |
3782 * flush ml_line if necessary | |
3783 */ | |
3784 static void | |
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
3785 ml_flush_line(buf_T *buf) |
7 | 3786 { |
3787 bhdr_T *hp; | |
3788 DATA_BL *dp; | |
3789 linenr_T lnum; | |
3790 char_u *new_line; | |
3791 char_u *old_line; | |
3792 colnr_T new_len; | |
3793 int old_len; | |
3794 int extra; | |
3795 int idx; | |
3796 int start; | |
3797 int count; | |
3798 int i; | |
2075
903fcd726d90
updated for version 7.2.359
Bram Moolenaar <bram@zimbu.org>
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2003
diff
changeset
|
3799 static int entered = FALSE; |
7 | 3800 |
3801 if (buf->b_ml.ml_line_lnum == 0 || buf->b_ml.ml_mfp == NULL) | |
3802 return; /* nothing to do */ | |
3803 | |
3804 if (buf->b_ml.ml_flags & ML_LINE_DIRTY) | |
3805 { | |
2075
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2003
diff
changeset
|
3806 /* This code doesn't work recursively, but Netbeans may call back here |
903fcd726d90
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2003
diff
changeset
|
3807 * when obtaining the cursor position. */ |
903fcd726d90
updated for version 7.2.359
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2003
diff
changeset
|
3808 if (entered) |
903fcd726d90
updated for version 7.2.359
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parents:
2003
diff
changeset
|
3809 return; |
903fcd726d90
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Bram Moolenaar <bram@zimbu.org>
parents:
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diff
changeset
|
3810 entered = TRUE; |
903fcd726d90
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diff
changeset
|
3811 |
7 | 3812 lnum = buf->b_ml.ml_line_lnum; |
3813 new_line = buf->b_ml.ml_line_ptr; | |
3814 | |
3815 hp = ml_find_line(buf, lnum, ML_FIND); | |
3816 if (hp == NULL) | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
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15361
diff
changeset
|
3817 siemsg(_("E320: Cannot find line %ld"), lnum); |
7 | 3818 else |
3819 { | |
3820 dp = (DATA_BL *)(hp->bh_data); | |
3821 idx = lnum - buf->b_ml.ml_locked_low; | |
3822 start = ((dp->db_index[idx]) & DB_INDEX_MASK); | |
3823 old_line = (char_u *)dp + start; | |
3824 if (idx == 0) /* line is last in block */ | |
3825 old_len = dp->db_txt_end - start; | |
3826 else /* text of previous line follows */ | |
3827 old_len = (dp->db_index[idx - 1] & DB_INDEX_MASK) - start; | |
15138
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3828 new_len = buf->b_ml.ml_line_len; |
7 | 3829 extra = new_len - old_len; /* negative if lines gets smaller */ |
3830 | |
3831 /* | |
3832 * if new line fits in data block, replace directly | |
3833 */ | |
3834 if ((int)dp->db_free >= extra) | |
3835 { | |
3836 /* if the length changes and there are following lines */ | |
3837 count = buf->b_ml.ml_locked_high - buf->b_ml.ml_locked_low + 1; | |
3838 if (extra != 0 && idx < count - 1) | |
3839 { | |
3840 /* move text of following lines */ | |
3841 mch_memmove((char *)dp + dp->db_txt_start - extra, | |
3842 (char *)dp + dp->db_txt_start, | |
3843 (size_t)(start - dp->db_txt_start)); | |
3844 | |
3845 /* adjust pointers of this and following lines */ | |
3846 for (i = idx + 1; i < count; ++i) | |
3847 dp->db_index[i] -= extra; | |
3848 } | |
3849 dp->db_index[idx] -= extra; | |
3850 | |
3851 /* adjust free space */ | |
3852 dp->db_free -= extra; | |
3853 dp->db_txt_start -= extra; | |
3854 | |
3855 /* copy new line into the data block */ | |
3856 mch_memmove(old_line - extra, new_line, (size_t)new_len); | |
3857 buf->b_ml.ml_flags |= (ML_LOCKED_DIRTY | ML_LOCKED_POS); | |
3858 #ifdef FEAT_BYTEOFF | |
3859 /* The else case is already covered by the insert and delete */ | |
3860 ml_updatechunk(buf, lnum, (long)extra, ML_CHNK_UPDLINE); | |
3861 #endif | |
3862 } | |
3863 else | |
3864 { | |
3865 /* | |
3866 * Cannot do it in one data block: Delete and append. | |
3867 * Append first, because ml_delete_int() cannot delete the | |
3868 * last line in a buffer, which causes trouble for a buffer | |
3869 * that has only one line. | |
3870 * Don't forget to copy the mark! | |
3871 */ | |
3872 /* How about handling errors??? */ | |
3873 (void)ml_append_int(buf, lnum, new_line, new_len, FALSE, | |
3874 (dp->db_index[idx] & DB_MARKED)); | |
3875 (void)ml_delete_int(buf, lnum, FALSE); | |
3876 } | |
3877 } | |
3878 vim_free(new_line); | |
2075
903fcd726d90
updated for version 7.2.359
Bram Moolenaar <bram@zimbu.org>
parents:
2003
diff
changeset
|
3879 |
903fcd726d90
updated for version 7.2.359
Bram Moolenaar <bram@zimbu.org>
parents:
2003
diff
changeset
|
3880 entered = FALSE; |
7 | 3881 } |
3882 | |
3883 buf->b_ml.ml_line_lnum = 0; | |
3884 } | |
3885 | |
3886 /* | |
3887 * create a new, empty, data block | |
3888 */ | |
3889 static bhdr_T * | |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
3890 ml_new_data(memfile_T *mfp, int negative, int page_count) |
7 | 3891 { |
3892 bhdr_T *hp; | |
3893 DATA_BL *dp; | |
3894 | |
3895 if ((hp = mf_new(mfp, negative, page_count)) == NULL) | |
3896 return NULL; | |
3897 | |
3898 dp = (DATA_BL *)(hp->bh_data); | |
3899 dp->db_id = DATA_ID; | |
3900 dp->db_txt_start = dp->db_txt_end = page_count * mfp->mf_page_size; | |
3901 dp->db_free = dp->db_txt_start - HEADER_SIZE; | |
3902 dp->db_line_count = 0; | |
3903 | |
3904 return hp; | |
3905 } | |
3906 | |
3907 /* | |
3908 * create a new, empty, pointer block | |
3909 */ | |
3910 static bhdr_T * | |
7827
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commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
3911 ml_new_ptr(memfile_T *mfp) |
7 | 3912 { |
3913 bhdr_T *hp; | |
3914 PTR_BL *pp; | |
3915 | |
3916 if ((hp = mf_new(mfp, FALSE, 1)) == NULL) | |
3917 return NULL; | |
3918 | |
3919 pp = (PTR_BL *)(hp->bh_data); | |
3920 pp->pb_id = PTR_ID; | |
3921 pp->pb_count = 0; | |
2240
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Add test for gettabvar() and settabvar().
Bram Moolenaar <bram@vim.org>
parents:
2221
diff
changeset
|
3922 pp->pb_count_max = (short_u)((mfp->mf_page_size - sizeof(PTR_BL)) |
6b4879aea261
Add test for gettabvar() and settabvar().
Bram Moolenaar <bram@vim.org>
parents:
2221
diff
changeset
|
3923 / sizeof(PTR_EN) + 1); |
7 | 3924 |
3925 return hp; | |
3926 } | |
3927 | |
3928 /* | |
15292
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3929 * Lookup line 'lnum' in a memline. |
7 | 3930 * |
3931 * action: if ML_DELETE or ML_INSERT the line count is updated while searching | |
3932 * if ML_FLUSH only flush a locked block | |
3933 * if ML_FIND just find the line | |
3934 * | |
3935 * If the block was found it is locked and put in ml_locked. | |
3936 * The stack is updated to lead to the locked block. The ip_high field in | |
3937 * the stack is updated to reflect the last line in the block AFTER the | |
3938 * insert or delete, also if the pointer block has not been updated yet. But | |
1167 | 3939 * if ml_locked != NULL ml_locked_lineadd must be added to ip_high. |
7 | 3940 * |
3941 * return: NULL for failure, pointer to block header otherwise | |
3942 */ | |
3943 static bhdr_T * | |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
3944 ml_find_line(buf_T *buf, linenr_T lnum, int action) |
7 | 3945 { |
3946 DATA_BL *dp; | |
3947 PTR_BL *pp; | |
3948 infoptr_T *ip; | |
3949 bhdr_T *hp; | |
3950 memfile_T *mfp; | |
3951 linenr_T t; | |
3952 blocknr_T bnum, bnum2; | |
3953 int dirty; | |
3954 linenr_T low, high; | |
3955 int top; | |
3956 int page_count; | |
3957 int idx; | |
3958 | |
3959 mfp = buf->b_ml.ml_mfp; | |
3960 | |
3961 /* | |
3962 * If there is a locked block check if the wanted line is in it. | |
3963 * If not, flush and release the locked block. | |
3964 * Don't do this for ML_INSERT_SAME, because the stack need to be updated. | |
3965 * Don't do this for ML_FLUSH, because we want to flush the locked block. | |
1066 | 3966 * Don't do this when 'swapfile' is reset, we want to load all the blocks. |
7 | 3967 */ |
3968 if (buf->b_ml.ml_locked) | |
3969 { | |
1066 | 3970 if (ML_SIMPLE(action) |
3971 && buf->b_ml.ml_locked_low <= lnum | |
3972 && buf->b_ml.ml_locked_high >= lnum | |
3973 && !mf_dont_release) | |
7 | 3974 { |
1066 | 3975 /* remember to update pointer blocks and stack later */ |
7 | 3976 if (action == ML_INSERT) |
3977 { | |
3978 ++(buf->b_ml.ml_locked_lineadd); | |
3979 ++(buf->b_ml.ml_locked_high); | |
3980 } | |
3981 else if (action == ML_DELETE) | |
3982 { | |
3983 --(buf->b_ml.ml_locked_lineadd); | |
3984 --(buf->b_ml.ml_locked_high); | |
3985 } | |
3986 return (buf->b_ml.ml_locked); | |
3987 } | |
3988 | |
3989 mf_put(mfp, buf->b_ml.ml_locked, buf->b_ml.ml_flags & ML_LOCKED_DIRTY, | |
3990 buf->b_ml.ml_flags & ML_LOCKED_POS); | |
3991 buf->b_ml.ml_locked = NULL; | |
3992 | |
1167 | 3993 /* |
3994 * If lines have been added or deleted in the locked block, need to | |
3995 * update the line count in pointer blocks. | |
3996 */ | |
3997 if (buf->b_ml.ml_locked_lineadd != 0) | |
7 | 3998 ml_lineadd(buf, buf->b_ml.ml_locked_lineadd); |
3999 } | |
4000 | |
4001 if (action == ML_FLUSH) /* nothing else to do */ | |
4002 return NULL; | |
4003 | |
4004 bnum = 1; /* start at the root of the tree */ | |
4005 page_count = 1; | |
4006 low = 1; | |
4007 high = buf->b_ml.ml_line_count; | |
4008 | |
4009 if (action == ML_FIND) /* first try stack entries */ | |
4010 { | |
4011 for (top = buf->b_ml.ml_stack_top - 1; top >= 0; --top) | |
4012 { | |
4013 ip = &(buf->b_ml.ml_stack[top]); | |
4014 if (ip->ip_low <= lnum && ip->ip_high >= lnum) | |
4015 { | |
4016 bnum = ip->ip_bnum; | |
4017 low = ip->ip_low; | |
4018 high = ip->ip_high; | |
4019 buf->b_ml.ml_stack_top = top; /* truncate stack at prev entry */ | |
4020 break; | |
4021 } | |
4022 } | |
4023 if (top < 0) | |
4024 buf->b_ml.ml_stack_top = 0; /* not found, start at the root */ | |
4025 } | |
4026 else /* ML_DELETE or ML_INSERT */ | |
4027 buf->b_ml.ml_stack_top = 0; /* start at the root */ | |
4028 | |
4029 /* | |
4030 * search downwards in the tree until a data block is found | |
4031 */ | |
4032 for (;;) | |
4033 { | |
4034 if ((hp = mf_get(mfp, bnum, page_count)) == NULL) | |
4035 goto error_noblock; | |
4036 | |
4037 /* | |
4038 * update high for insert/delete | |
4039 */ | |
4040 if (action == ML_INSERT) | |
4041 ++high; | |
4042 else if (action == ML_DELETE) | |
4043 --high; | |
4044 | |
4045 dp = (DATA_BL *)(hp->bh_data); | |
4046 if (dp->db_id == DATA_ID) /* data block */ | |
4047 { | |
4048 buf->b_ml.ml_locked = hp; | |
4049 buf->b_ml.ml_locked_low = low; | |
4050 buf->b_ml.ml_locked_high = high; | |
4051 buf->b_ml.ml_locked_lineadd = 0; | |
4052 buf->b_ml.ml_flags &= ~(ML_LOCKED_DIRTY | ML_LOCKED_POS); | |
4053 return hp; | |
4054 } | |
4055 | |
4056 pp = (PTR_BL *)(dp); /* must be pointer block */ | |
4057 if (pp->pb_id != PTR_ID) | |
4058 { | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
4059 iemsg(_("E317: pointer block id wrong")); |
7 | 4060 goto error_block; |
4061 } | |
4062 | |
4063 if ((top = ml_add_stack(buf)) < 0) /* add new entry to stack */ | |
4064 goto error_block; | |
4065 ip = &(buf->b_ml.ml_stack[top]); | |
4066 ip->ip_bnum = bnum; | |
4067 ip->ip_low = low; | |
4068 ip->ip_high = high; | |
4069 ip->ip_index = -1; /* index not known yet */ | |
4070 | |
4071 dirty = FALSE; | |
4072 for (idx = 0; idx < (int)pp->pb_count; ++idx) | |
4073 { | |
4074 t = pp->pb_pointer[idx].pe_line_count; | |
4075 CHECK(t == 0, _("pe_line_count is zero")); | |
4076 if ((low += t) > lnum) | |
4077 { | |
4078 ip->ip_index = idx; | |
4079 bnum = pp->pb_pointer[idx].pe_bnum; | |
4080 page_count = pp->pb_pointer[idx].pe_page_count; | |
4081 high = low - 1; | |
4082 low -= t; | |
4083 | |
4084 /* | |
4085 * a negative block number may have been changed | |
4086 */ | |
4087 if (bnum < 0) | |
4088 { | |
4089 bnum2 = mf_trans_del(mfp, bnum); | |
4090 if (bnum != bnum2) | |
4091 { | |
4092 bnum = bnum2; | |
4093 pp->pb_pointer[idx].pe_bnum = bnum; | |
4094 dirty = TRUE; | |
4095 } | |
4096 } | |
4097 | |
4098 break; | |
4099 } | |
4100 } | |
4101 if (idx >= (int)pp->pb_count) /* past the end: something wrong! */ | |
4102 { | |
4103 if (lnum > buf->b_ml.ml_line_count) | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
4104 siemsg(_("E322: line number out of range: %ld past the end"), |
7 | 4105 lnum - buf->b_ml.ml_line_count); |
4106 | |
4107 else | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
4108 siemsg(_("E323: line count wrong in block %ld"), bnum); |
7 | 4109 goto error_block; |
4110 } | |
4111 if (action == ML_DELETE) | |
4112 { | |
4113 pp->pb_pointer[idx].pe_line_count--; | |
4114 dirty = TRUE; | |
4115 } | |
4116 else if (action == ML_INSERT) | |
4117 { | |
4118 pp->pb_pointer[idx].pe_line_count++; | |
4119 dirty = TRUE; | |
4120 } | |
4121 mf_put(mfp, hp, dirty, FALSE); | |
4122 } | |
4123 | |
4124 error_block: | |
4125 mf_put(mfp, hp, FALSE, FALSE); | |
4126 error_noblock: | |
2267 | 4127 /* |
4128 * If action is ML_DELETE or ML_INSERT we have to correct the tree for | |
4129 * the incremented/decremented line counts, because there won't be a line | |
4130 * inserted/deleted after all. | |
4131 */ | |
7 | 4132 if (action == ML_DELETE) |
4133 ml_lineadd(buf, 1); | |
4134 else if (action == ML_INSERT) | |
4135 ml_lineadd(buf, -1); | |
4136 buf->b_ml.ml_stack_top = 0; | |
4137 return NULL; | |
4138 } | |
4139 | |
4140 /* | |
4141 * add an entry to the info pointer stack | |
4142 * | |
4143 * return -1 for failure, number of the new entry otherwise | |
4144 */ | |
4145 static int | |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
4146 ml_add_stack(buf_T *buf) |
7 | 4147 { |
4148 int top; | |
4149 infoptr_T *newstack; | |
4150 | |
4151 top = buf->b_ml.ml_stack_top; | |
4152 | |
2267 | 4153 /* may have to increase the stack size */ |
7 | 4154 if (top == buf->b_ml.ml_stack_size) |
4155 { | |
2267 | 4156 CHECK(top > 0, _("Stack size increases")); /* more than 5 levels??? */ |
7 | 4157 |
4158 newstack = (infoptr_T *)alloc((unsigned)sizeof(infoptr_T) * | |
4159 (buf->b_ml.ml_stack_size + STACK_INCR)); | |
4160 if (newstack == NULL) | |
4161 return -1; | |
6989 | 4162 if (top > 0) |
4163 mch_memmove(newstack, buf->b_ml.ml_stack, | |
1624 | 4164 (size_t)top * sizeof(infoptr_T)); |
7 | 4165 vim_free(buf->b_ml.ml_stack); |
4166 buf->b_ml.ml_stack = newstack; | |
4167 buf->b_ml.ml_stack_size += STACK_INCR; | |
4168 } | |
4169 | |
4170 buf->b_ml.ml_stack_top++; | |
4171 return top; | |
4172 } | |
4173 | |
4174 /* | |
4175 * Update the pointer blocks on the stack for inserted/deleted lines. | |
4176 * The stack itself is also updated. | |
4177 * | |
4178 * When a insert/delete line action fails, the line is not inserted/deleted, | |
4179 * but the pointer blocks have already been updated. That is fixed here by | |
4180 * walking through the stack. | |
4181 * | |
4182 * Count is the number of lines added, negative if lines have been deleted. | |
4183 */ | |
4184 static void | |
7827
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commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
4185 ml_lineadd(buf_T *buf, int count) |
7 | 4186 { |
4187 int idx; | |
4188 infoptr_T *ip; | |
4189 PTR_BL *pp; | |
4190 memfile_T *mfp = buf->b_ml.ml_mfp; | |
4191 bhdr_T *hp; | |
4192 | |
4193 for (idx = buf->b_ml.ml_stack_top - 1; idx >= 0; --idx) | |
4194 { | |
4195 ip = &(buf->b_ml.ml_stack[idx]); | |
4196 if ((hp = mf_get(mfp, ip->ip_bnum, 1)) == NULL) | |
4197 break; | |
4198 pp = (PTR_BL *)(hp->bh_data); /* must be pointer block */ | |
4199 if (pp->pb_id != PTR_ID) | |
4200 { | |
4201 mf_put(mfp, hp, FALSE, FALSE); | |
15470
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Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
4202 iemsg(_("E317: pointer block id wrong 2")); |
7 | 4203 break; |
4204 } | |
4205 pp->pb_pointer[ip->ip_index].pe_line_count += count; | |
4206 ip->ip_high += count; | |
4207 mf_put(mfp, hp, TRUE, FALSE); | |
4208 } | |
4209 } | |
4210 | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4211 #if defined(HAVE_READLINK) || defined(PROTO) |
594 | 4212 /* |
4213 * Resolve a symlink in the last component of a file name. | |
4214 * Note that f_resolve() does it for every part of the path, we don't do that | |
4215 * here. | |
4216 * If it worked returns OK and the resolved link in "buf[MAXPATHL]". | |
4217 * Otherwise returns FAIL. | |
4218 */ | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4219 int |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
4220 resolve_symlink(char_u *fname, char_u *buf) |
594 | 4221 { |
4222 char_u tmp[MAXPATHL]; | |
4223 int ret; | |
4224 int depth = 0; | |
4225 | |
4226 if (fname == NULL) | |
4227 return FAIL; | |
4228 | |
4229 /* Put the result so far in tmp[], starting with the original name. */ | |
4230 vim_strncpy(tmp, fname, MAXPATHL - 1); | |
4231 | |
4232 for (;;) | |
4233 { | |
4234 /* Limit symlink depth to 100, catch recursive loops. */ | |
4235 if (++depth == 100) | |
4236 { | |
15470
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patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
4237 semsg(_("E773: Symlink loop for \"%s\""), fname); |
594 | 4238 return FAIL; |
4239 } | |
4240 | |
4241 ret = readlink((char *)tmp, (char *)buf, MAXPATHL - 1); | |
4242 if (ret <= 0) | |
4243 { | |
619 | 4244 if (errno == EINVAL || errno == ENOENT) |
594 | 4245 { |
619 | 4246 /* Found non-symlink or not existing file, stop here. |
1855 | 4247 * When at the first level use the unmodified name, skip the |
594 | 4248 * call to vim_FullName(). */ |
4249 if (depth == 1) | |
4250 return FAIL; | |
4251 | |
4252 /* Use the resolved name in tmp[]. */ | |
4253 break; | |
4254 } | |
4255 | |
4256 /* There must be some error reading links, use original name. */ | |
4257 return FAIL; | |
4258 } | |
4259 buf[ret] = NUL; | |
4260 | |
4261 /* | |
4262 * Check whether the symlink is relative or absolute. | |
4263 * If it's relative, build a new path based on the directory | |
4264 * portion of the filename (if any) and the path the symlink | |
4265 * points to. | |
4266 */ | |
4267 if (mch_isFullName(buf)) | |
4268 STRCPY(tmp, buf); | |
4269 else | |
4270 { | |
4271 char_u *tail; | |
4272 | |
4273 tail = gettail(tmp); | |
4274 if (STRLEN(tail) + STRLEN(buf) >= MAXPATHL) | |
4275 return FAIL; | |
4276 STRCPY(tail, buf); | |
4277 } | |
4278 } | |
4279 | |
4280 /* | |
4281 * Try to resolve the full name of the file so that the swapfile name will | |
4282 * be consistent even when opening a relative symlink from different | |
4283 * working directories. | |
4284 */ | |
4285 return vim_FullName(tmp, buf, MAXPATHL, TRUE); | |
4286 } | |
4287 #endif | |
4288 | |
7 | 4289 /* |
460 | 4290 * Make swap file name out of the file name and a directory name. |
4291 * Returns pointer to allocated memory or NULL. | |
7 | 4292 */ |
460 | 4293 char_u * |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
4294 makeswapname( |
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
4295 char_u *fname, |
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
4296 char_u *ffname UNUSED, |
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
4297 buf_T *buf, |
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
4298 char_u *dir_name) |
7 | 4299 { |
4300 char_u *r, *s; | |
2145
de0e7ca61893
updated for version 7.2.427
Bram Moolenaar <bram@zimbu.org>
parents:
2108
diff
changeset
|
4301 char_u *fname_res = fname; |
594 | 4302 #ifdef HAVE_READLINK |
4303 char_u fname_buf[MAXPATHL]; | |
4304 #endif | |
7 | 4305 |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15636
diff
changeset
|
4306 #if defined(UNIX) || defined(MSWIN) // Need _very_ long file names |
10996
2f041b367cd9
patch 8.0.0387: compiler warnings
Christian Brabandt <cb@256bit.org>
parents:
10952
diff
changeset
|
4307 int len = (int)STRLEN(dir_name); |
10896
d513b653f5d0
patch 8.0.0337: invalid memory access in :recover command
Christian Brabandt <cb@256bit.org>
parents:
10889
diff
changeset
|
4308 |
d513b653f5d0
patch 8.0.0337: invalid memory access in :recover command
Christian Brabandt <cb@256bit.org>
parents:
10889
diff
changeset
|
4309 s = dir_name + len; |
d513b653f5d0
patch 8.0.0337: invalid memory access in :recover command
Christian Brabandt <cb@256bit.org>
parents:
10889
diff
changeset
|
4310 if (after_pathsep(dir_name, s) && len > 1 && s[-1] == s[-2]) |
7 | 4311 { /* Ends with '//', Use Full path */ |
4312 r = NULL; | |
460 | 4313 if ((s = make_percent_swname(dir_name, fname)) != NULL) |
7 | 4314 { |
4315 r = modname(s, (char_u *)".swp", FALSE); | |
4316 vim_free(s); | |
4317 } | |
4318 return r; | |
4319 } | |
4320 #endif | |
4321 | |
594 | 4322 #ifdef HAVE_READLINK |
4323 /* Expand symlink in the file name, so that we put the swap file with the | |
4324 * actual file instead of with the symlink. */ | |
4325 if (resolve_symlink(fname, fname_buf) == OK) | |
4326 fname_res = fname_buf; | |
4327 #endif | |
4328 | |
7 | 4329 r = buf_modname( |
4330 (buf->b_p_sn || buf->b_shortname), | |
594 | 4331 fname_res, |
7 | 4332 (char_u *) |
2823 | 4333 #if defined(VMS) |
7 | 4334 "_swp", |
4335 #else | |
4336 ".swp", | |
4337 #endif | |
4338 /* Prepend a '.' to the swap file name for the current directory. */ | |
8212
05b88224cea1
commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents:
7961
diff
changeset
|
4339 dir_name[0] == '.' && dir_name[1] == NUL); |
7 | 4340 if (r == NULL) /* out of memory */ |
4341 return NULL; | |
4342 | |
4343 s = get_file_in_dir(r, dir_name); | |
4344 vim_free(r); | |
4345 return s; | |
4346 } | |
4347 | |
4348 /* | |
4349 * Get file name to use for swap file or backup file. | |
4350 * Use the name of the edited file "fname" and an entry in the 'dir' or 'bdir' | |
4351 * option "dname". | |
4352 * - If "dname" is ".", return "fname" (swap file in dir of file). | |
4353 * - If "dname" starts with "./", insert "dname" in "fname" (swap file | |
4354 * relative to dir of file). | |
4355 * - Otherwise, prepend "dname" to the tail of "fname" (swap file in specific | |
4356 * dir). | |
4357 * | |
4358 * The return value is an allocated string and can be NULL. | |
4359 */ | |
4360 char_u * | |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
4361 get_file_in_dir( |
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
4362 char_u *fname, |
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
4363 char_u *dname) /* don't use "dirname", it is a global for Alpha */ |
7 | 4364 { |
4365 char_u *t; | |
4366 char_u *tail; | |
4367 char_u *retval; | |
4368 int save_char; | |
4369 | |
4370 tail = gettail(fname); | |
4371 | |
4372 if (dname[0] == '.' && dname[1] == NUL) | |
4373 retval = vim_strsave(fname); | |
4374 else if (dname[0] == '.' && vim_ispathsep(dname[1])) | |
4375 { | |
4376 if (tail == fname) /* no path before file name */ | |
4377 retval = concat_fnames(dname + 2, tail, TRUE); | |
4378 else | |
4379 { | |
4380 save_char = *tail; | |
4381 *tail = NUL; | |
4382 t = concat_fnames(fname, dname + 2, TRUE); | |
4383 *tail = save_char; | |
4384 if (t == NULL) /* out of memory */ | |
4385 retval = NULL; | |
4386 else | |
4387 { | |
4388 retval = concat_fnames(t, tail, TRUE); | |
4389 vim_free(t); | |
4390 } | |
4391 } | |
4392 } | |
4393 else | |
4394 retval = concat_fnames(dname, tail, TRUE); | |
4395 | |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15636
diff
changeset
|
4396 #ifdef MSWIN |
5432 | 4397 if (retval != NULL) |
11127
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
10996
diff
changeset
|
4398 for (t = gettail(retval); *t != NUL; MB_PTR_ADV(t)) |
5432 | 4399 if (*t == ':') |
4400 *t = '%'; | |
4401 #endif | |
4402 | |
7 | 4403 return retval; |
4404 } | |
4405 | |
580 | 4406 /* |
4407 * Print the ATTENTION message: info about an existing swap file. | |
4408 */ | |
4409 static void | |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
4410 attention_message( |
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
4411 buf_T *buf, /* buffer being edited */ |
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
4412 char_u *fname) /* swap file name */ |
580 | 4413 { |
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9295
diff
changeset
|
4414 stat_T st; |
580 | 4415 time_t x, sx; |
1001 | 4416 char *p; |
580 | 4417 |
4418 ++no_wait_return; | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
4419 (void)emsg(_("E325: ATTENTION")); |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
4420 msg_puts(_("\nFound a swap file by the name \"")); |
580 | 4421 msg_home_replace(fname); |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
4422 msg_puts("\"\n"); |
580 | 4423 sx = swapfile_info(fname); |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
4424 msg_puts(_("While opening file \"")); |
580 | 4425 msg_outtrans(buf->b_fname); |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
4426 msg_puts("\"\n"); |
14923
95400980f7c9
patch 8.1.0473: user doesn't notice file does not exist when swap file does
Bram Moolenaar <Bram@vim.org>
parents:
14909
diff
changeset
|
4427 if (mch_stat((char *)buf->b_fname, &st) == -1) |
95400980f7c9
patch 8.1.0473: user doesn't notice file does not exist when swap file does
Bram Moolenaar <Bram@vim.org>
parents:
14909
diff
changeset
|
4428 { |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
4429 msg_puts(_(" CANNOT BE FOUND")); |
14923
95400980f7c9
patch 8.1.0473: user doesn't notice file does not exist when swap file does
Bram Moolenaar <Bram@vim.org>
parents:
14909
diff
changeset
|
4430 } |
95400980f7c9
patch 8.1.0473: user doesn't notice file does not exist when swap file does
Bram Moolenaar <Bram@vim.org>
parents:
14909
diff
changeset
|
4431 else |
580 | 4432 { |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
4433 msg_puts(_(" dated: ")); |
580 | 4434 x = st.st_mtime; /* Manx C can't do &st.st_mtime */ |
1001 | 4435 p = ctime(&x); /* includes '\n' */ |
4436 if (p == NULL) | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
4437 msg_puts("(invalid)\n"); |
1001 | 4438 else |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
4439 msg_puts(p); |
580 | 4440 if (sx != 0 && x > sx) |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
4441 msg_puts(_(" NEWER than swap file!\n")); |
580 | 4442 } |
4443 /* Some of these messages are long to allow translation to | |
4444 * other languages. */ | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
4445 msg_puts(_("\n(1) Another program may be editing the same file. If this is the case,\n be careful not to end up with two different instances of the same\n file when making changes. Quit, or continue with caution.\n")); |
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
4446 msg_puts(_("(2) An edit session for this file crashed.\n")); |
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
4447 msg_puts(_(" If this is the case, use \":recover\" or \"vim -r ")); |
580 | 4448 msg_outtrans(buf->b_fname); |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
4449 msg_puts(_("\"\n to recover the changes (see \":help recovery\").\n")); |
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
4450 msg_puts(_(" If you did this already, delete the swap file \"")); |
580 | 4451 msg_outtrans(fname); |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
4452 msg_puts(_("\"\n to avoid this message.\n")); |
580 | 4453 cmdline_row = msg_row; |
4454 --no_wait_return; | |
4455 } | |
4456 | |
13380
69517d67421f
patch 8.0.1564: too many #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
13244
diff
changeset
|
4457 #if defined(FEAT_EVAL) |
580 | 4458 /* |
4459 * Trigger the SwapExists autocommands. | |
4460 * Returns a value for equivalent to do_dialog() (see below): | |
4461 * 0: still need to ask for a choice | |
4462 * 1: open read-only | |
4463 * 2: edit anyway | |
4464 * 3: recover | |
4465 * 4: delete it | |
4466 * 5: quit | |
4467 * 6: abort | |
4468 */ | |
4469 static int | |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
4470 do_swapexists(buf_T *buf, char_u *fname) |
580 | 4471 { |
4472 set_vim_var_string(VV_SWAPNAME, fname, -1); | |
4473 set_vim_var_string(VV_SWAPCHOICE, NULL, -1); | |
4474 | |
4475 /* Trigger SwapExists autocommands with <afile> set to the file being | |
1856 | 4476 * edited. Disallow changing directory here. */ |
4477 ++allbuf_lock; | |
580 | 4478 apply_autocmds(EVENT_SWAPEXISTS, buf->b_fname, NULL, FALSE, NULL); |
1856 | 4479 --allbuf_lock; |
580 | 4480 |
4481 set_vim_var_string(VV_SWAPNAME, NULL, -1); | |
4482 | |
4483 switch (*get_vim_var_str(VV_SWAPCHOICE)) | |
4484 { | |
4485 case 'o': return 1; | |
4486 case 'e': return 2; | |
4487 case 'r': return 3; | |
4488 case 'd': return 4; | |
4489 case 'q': return 5; | |
4490 case 'a': return 6; | |
4491 } | |
4492 | |
4493 return 0; | |
4494 } | |
4495 #endif | |
4496 | |
7 | 4497 /* |
4498 * Find out what name to use for the swap file for buffer 'buf'. | |
4499 * | |
4500 * Several names are tried to find one that does not exist | |
460 | 4501 * Returns the name in allocated memory or NULL. |
3158 | 4502 * When out of memory "dirp" is set to NULL. |
7 | 4503 * |
4504 * Note: If BASENAMELEN is not correct, you will get error messages for | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4505 * not being able to open the swap or undo file |
1856 | 4506 * Note: May trigger SwapExists autocmd, pointers may change! |
7 | 4507 */ |
4508 static char_u * | |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
4509 findswapname( |
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
4510 buf_T *buf, |
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
4511 char_u **dirp, /* pointer to list of directories */ |
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
4512 char_u *old_fname) /* don't give warning for this file name */ |
7 | 4513 { |
4514 char_u *fname; | |
4515 int n; | |
4516 char_u *dir_name; | |
4517 #ifdef AMIGA | |
4518 BPTR fh; | |
4519 #endif | |
4520 int r; | |
5432 | 4521 char_u *buf_fname = buf->b_fname; |
7 | 4522 |
8212
05b88224cea1
commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents:
7961
diff
changeset
|
4523 #if !defined(UNIX) |
7 | 4524 # define CREATE_DUMMY_FILE |
4525 FILE *dummyfd = NULL; | |
4526 | |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15636
diff
changeset
|
4527 # ifdef MSWIN |
5432 | 4528 if (buf_fname != NULL && !mch_isFullName(buf_fname) |
4529 && vim_strchr(gettail(buf_fname), ':')) | |
4530 { | |
4531 char_u *t; | |
4532 | |
4533 buf_fname = vim_strsave(buf_fname); | |
4534 if (buf_fname == NULL) | |
4535 buf_fname = buf->b_fname; | |
4536 else | |
11127
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
10996
diff
changeset
|
4537 for (t = gettail(buf_fname); *t != NUL; MB_PTR_ADV(t)) |
5432 | 4538 if (*t == ':') |
4539 *t = '%'; | |
4540 } | |
4541 # endif | |
4542 | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4543 /* |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4544 * If we start editing a new file, e.g. "test.doc", which resides on an |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4545 * MSDOS compatible filesystem, it is possible that the file |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4546 * "test.doc.swp" which we create will be exactly the same file. To avoid |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4547 * this problem we temporarily create "test.doc". Don't do this when the |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4548 * check below for a 8.3 file name is used. |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4549 */ |
5432 | 4550 if (!(buf->b_p_sn || buf->b_shortname) && buf_fname != NULL |
4551 && mch_getperm(buf_fname) < 0) | |
4552 dummyfd = mch_fopen((char *)buf_fname, "w"); | |
7 | 4553 #endif |
4554 | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4555 /* |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4556 * Isolate a directory name from *dirp and put it in dir_name. |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4557 * First allocate some memory to put the directory name in. |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4558 */ |
7 | 4559 dir_name = alloc((unsigned)STRLEN(*dirp) + 1); |
3158 | 4560 if (dir_name == NULL) |
4561 *dirp = NULL; | |
4562 else | |
7 | 4563 (void)copy_option_part(dirp, dir_name, 31000, ","); |
4564 | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4565 /* |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4566 * we try different names until we find one that does not exist yet |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4567 */ |
7 | 4568 if (dir_name == NULL) /* out of memory */ |
4569 fname = NULL; | |
4570 else | |
5432 | 4571 fname = makeswapname(buf_fname, buf->b_ffname, buf, dir_name); |
7 | 4572 |
4573 for (;;) | |
4574 { | |
4575 if (fname == NULL) /* must be out of memory */ | |
4576 break; | |
4577 if ((n = (int)STRLEN(fname)) == 0) /* safety check */ | |
4578 { | |
13244
ac42c4b11dbc
patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents:
12975
diff
changeset
|
4579 VIM_CLEAR(fname); |
7 | 4580 break; |
4581 } | |
8212
05b88224cea1
commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents:
7961
diff
changeset
|
4582 #if defined(UNIX) |
7 | 4583 /* |
4584 * Some systems have a MS-DOS compatible filesystem that use 8.3 character | |
4585 * file names. If this is the first try and the swap file name does not fit in | |
4586 * 8.3, detect if this is the case, set shortname and try again. | |
4587 */ | |
4588 if (fname[n - 2] == 'w' && fname[n - 1] == 'p' | |
4589 && !(buf->b_p_sn || buf->b_shortname)) | |
4590 { | |
4591 char_u *tail; | |
4592 char_u *fname2; | |
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9295
diff
changeset
|
4593 stat_T s1, s2; |
7 | 4594 int f1, f2; |
4595 int created1 = FALSE, created2 = FALSE; | |
4596 int same = FALSE; | |
4597 | |
4598 /* | |
4599 * Check if swapfile name does not fit in 8.3: | |
4600 * It either contains two dots, is longer than 8 chars, or starts | |
4601 * with a dot. | |
4602 */ | |
5432 | 4603 tail = gettail(buf_fname); |
7 | 4604 if ( vim_strchr(tail, '.') != NULL |
4605 || STRLEN(tail) > (size_t)8 | |
4606 || *gettail(fname) == '.') | |
4607 { | |
4608 fname2 = alloc(n + 2); | |
4609 if (fname2 != NULL) | |
4610 { | |
4611 STRCPY(fname2, fname); | |
4612 /* if fname == "xx.xx.swp", fname2 = "xx.xx.swx" | |
4613 * if fname == ".xx.swp", fname2 = ".xx.swpx" | |
4614 * if fname == "123456789.swp", fname2 = "12345678x.swp" | |
4615 */ | |
4616 if (vim_strchr(tail, '.') != NULL) | |
4617 fname2[n - 1] = 'x'; | |
4618 else if (*gettail(fname) == '.') | |
4619 { | |
4620 fname2[n] = 'x'; | |
4621 fname2[n + 1] = NUL; | |
4622 } | |
4623 else | |
4624 fname2[n - 5] += 1; | |
4625 /* | |
4626 * may need to create the files to be able to use mch_stat() | |
4627 */ | |
4628 f1 = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
4629 if (f1 < 0) | |
4630 { | |
4631 f1 = mch_open_rw((char *)fname, | |
4632 O_RDWR|O_CREAT|O_EXCL|O_EXTRA); | |
4633 created1 = TRUE; | |
4634 } | |
4635 if (f1 >= 0) | |
4636 { | |
4637 f2 = mch_open((char *)fname2, O_RDONLY | O_EXTRA, 0); | |
4638 if (f2 < 0) | |
4639 { | |
4640 f2 = mch_open_rw((char *)fname2, | |
4641 O_RDWR|O_CREAT|O_EXCL|O_EXTRA); | |
4642 created2 = TRUE; | |
4643 } | |
4644 if (f2 >= 0) | |
4645 { | |
4646 /* | |
4647 * Both files exist now. If mch_stat() returns the | |
4648 * same device and inode they are the same file. | |
4649 */ | |
4650 if (mch_fstat(f1, &s1) != -1 | |
4651 && mch_fstat(f2, &s2) != -1 | |
4652 && s1.st_dev == s2.st_dev | |
4653 && s1.st_ino == s2.st_ino) | |
4654 same = TRUE; | |
4655 close(f2); | |
4656 if (created2) | |
4657 mch_remove(fname2); | |
4658 } | |
4659 close(f1); | |
4660 if (created1) | |
4661 mch_remove(fname); | |
4662 } | |
4663 vim_free(fname2); | |
4664 if (same) | |
4665 { | |
4666 buf->b_shortname = TRUE; | |
4667 vim_free(fname); | |
5432 | 4668 fname = makeswapname(buf_fname, buf->b_ffname, |
460 | 4669 buf, dir_name); |
7 | 4670 continue; /* try again with b_shortname set */ |
4671 } | |
4672 } | |
4673 } | |
4674 } | |
4675 #endif | |
4676 /* | |
4677 * check if the swapfile already exists | |
4678 */ | |
4679 if (mch_getperm(fname) < 0) /* it does not exist */ | |
4680 { | |
4681 #ifdef HAVE_LSTAT | |
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9295
diff
changeset
|
4682 stat_T sb; |
7 | 4683 |
4684 /* | |
4685 * Extra security check: When a swap file is a symbolic link, this | |
4686 * is most likely a symlink attack. | |
4687 */ | |
4688 if (mch_lstat((char *)fname, &sb) < 0) | |
4689 #else | |
4690 # ifdef AMIGA | |
4691 fh = Open((UBYTE *)fname, (long)MODE_NEWFILE); | |
4692 /* | |
4693 * on the Amiga mch_getperm() will return -1 when the file exists | |
4694 * but is being used by another program. This happens if you edit | |
4695 * a file twice. | |
4696 */ | |
4697 if (fh != (BPTR)NULL) /* can open file, OK */ | |
4698 { | |
4699 Close(fh); | |
4700 mch_remove(fname); | |
4701 break; | |
4702 } | |
4703 if (IoErr() != ERROR_OBJECT_IN_USE | |
4704 && IoErr() != ERROR_OBJECT_EXISTS) | |
4705 # endif | |
4706 #endif | |
4707 break; | |
4708 } | |
4709 | |
4710 /* | |
4711 * A file name equal to old_fname is OK to use. | |
4712 */ | |
4713 if (old_fname != NULL && fnamecmp(fname, old_fname) == 0) | |
4714 break; | |
4715 | |
4716 /* | |
4717 * get here when file already exists | |
4718 */ | |
4719 if (fname[n - 2] == 'w' && fname[n - 1] == 'p') /* first try */ | |
4720 { | |
4721 /* | |
4722 * on MS-DOS compatible filesystems (e.g. messydos) file.doc.swp | |
4723 * and file.doc are the same file. To guess if this problem is | |
4724 * present try if file.doc.swx exists. If it does, we set | |
4725 * buf->b_shortname and try file_doc.swp (dots replaced by | |
4726 * underscores for this file), and try again. If it doesn't we | |
4727 * assume that "file.doc.swp" already exists. | |
4728 */ | |
4729 if (!(buf->b_p_sn || buf->b_shortname)) /* not tried yet */ | |
4730 { | |
4731 fname[n - 1] = 'x'; | |
4732 r = mch_getperm(fname); /* try "file.swx" */ | |
4733 fname[n - 1] = 'p'; | |
4734 if (r >= 0) /* "file.swx" seems to exist */ | |
4735 { | |
4736 buf->b_shortname = TRUE; | |
4737 vim_free(fname); | |
5432 | 4738 fname = makeswapname(buf_fname, buf->b_ffname, |
460 | 4739 buf, dir_name); |
7 | 4740 continue; /* try again with '.' replaced with '_' */ |
4741 } | |
4742 } | |
4743 /* | |
4744 * If we get here the ".swp" file really exists. | |
4745 * Give an error message, unless recovering, no file name, we are | |
4746 * viewing a help file or when the path of the file is different | |
4747 * (happens when all .swp files are in one directory). | |
4748 */ | |
5432 | 4749 if (!recoverymode && buf_fname != NULL |
43 | 4750 && !buf->b_help && !(buf->b_flags & BF_DUMMY)) |
7 | 4751 { |
4752 int fd; | |
4753 struct block0 b0; | |
4754 int differ = FALSE; | |
4755 | |
4756 /* | |
4757 * Try to read block 0 from the swap file to get the original | |
4758 * file name (and inode number). | |
4759 */ | |
4760 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
4761 if (fd >= 0) | |
4762 { | |
2664 | 4763 if (read_eintr(fd, &b0, sizeof(b0)) == sizeof(b0)) |
7 | 4764 { |
4765 /* | |
39 | 4766 * If the swapfile has the same directory as the |
4767 * buffer don't compare the directory names, they can | |
4768 * have a different mountpoint. | |
7 | 4769 */ |
39 | 4770 if (b0.b0_flags & B0_SAME_DIR) |
4771 { | |
4772 if (fnamecmp(gettail(buf->b_ffname), | |
4773 gettail(b0.b0_fname)) != 0 | |
4774 || !same_directory(fname, buf->b_ffname)) | |
594 | 4775 { |
4776 #ifdef CHECK_INODE | |
4777 /* Symlinks may point to the same file even | |
4778 * when the name differs, need to check the | |
4779 * inode too. */ | |
4780 expand_env(b0.b0_fname, NameBuff, MAXPATHL); | |
4781 if (fnamecmp_ino(buf->b_ffname, NameBuff, | |
4782 char_to_long(b0.b0_ino))) | |
4783 #endif | |
4784 differ = TRUE; | |
4785 } | |
39 | 4786 } |
4787 else | |
4788 { | |
4789 /* | |
4790 * The name in the swap file may be | |
4791 * "~user/path/file". Expand it first. | |
4792 */ | |
4793 expand_env(b0.b0_fname, NameBuff, MAXPATHL); | |
7 | 4794 #ifdef CHECK_INODE |
39 | 4795 if (fnamecmp_ino(buf->b_ffname, NameBuff, |
594 | 4796 char_to_long(b0.b0_ino))) |
39 | 4797 differ = TRUE; |
7 | 4798 #else |
39 | 4799 if (fnamecmp(NameBuff, buf->b_ffname) != 0) |
4800 differ = TRUE; | |
7 | 4801 #endif |
39 | 4802 } |
7 | 4803 } |
4804 close(fd); | |
4805 } | |
4806 | |
4807 /* give the ATTENTION message when there is an old swap file | |
4808 * for the current file, and the buffer was not recovered. */ | |
4809 if (differ == FALSE && !(curbuf->b_flags & BF_RECOVERED) | |
4810 && vim_strchr(p_shm, SHM_ATTENTION) == NULL) | |
4811 { | |
580 | 4812 int choice = 0; |
16453
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
4813 stat_T st; |
7 | 4814 #ifdef CREATE_DUMMY_FILE |
4815 int did_use_dummy = FALSE; | |
4816 | |
4817 /* Avoid getting a warning for the file being created | |
4818 * outside of Vim, it was created at the start of this | |
4819 * function. Delete the file now, because Vim might exit | |
4820 * here if the window is closed. */ | |
4821 if (dummyfd != NULL) | |
4822 { | |
4823 fclose(dummyfd); | |
4824 dummyfd = NULL; | |
5432 | 4825 mch_remove(buf_fname); |
7 | 4826 did_use_dummy = TRUE; |
4827 } | |
4828 #endif | |
4829 | |
16455
1ae13586edf8
patch 8.1.1232: can't build on MS-Windows
Bram Moolenaar <Bram@vim.org>
parents:
16453
diff
changeset
|
4830 #ifdef HAVE_PROCESS_STILL_RUNNING |
7 | 4831 process_still_running = FALSE; |
4832 #endif | |
16453
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
4833 // It's safe to delete the swap file if all these are true: |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
4834 // - the edited file exists |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
4835 // - the swap file has no changes and looks OK |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
4836 if (mch_stat((char *)buf->b_fname, &st) == 0 |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
4837 && swapfile_unchanged(fname)) |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
4838 { |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
4839 choice = 4; |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
4840 if (p_verbose > 0) |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
4841 verb_msg(_("Found a swap file that is not useful, deleting it")); |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
4842 } |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
4843 |
13380
69517d67421f
patch 8.0.1564: too many #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
13244
diff
changeset
|
4844 #if defined(FEAT_EVAL) |
580 | 4845 /* |
4846 * If there is an SwapExists autocommand and we can handle | |
4847 * the response, trigger it. It may return 0 to ask the | |
4848 * user anyway. | |
4849 */ | |
16453
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
4850 if (choice == 0 |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
4851 && swap_exists_action != SEA_NONE |
5432 | 4852 && has_autocmd(EVENT_SWAPEXISTS, buf_fname, buf)) |
580 | 4853 choice = do_swapexists(buf, fname); |
4854 | |
4855 if (choice == 0) | |
4856 #endif | |
7 | 4857 { |
580 | 4858 #ifdef FEAT_GUI |
14903
c1ee9f32bec3
patch 8.1.0463: "simalt ~x" in .vimrc blocks swap file prompt
Bram Moolenaar <Bram@vim.org>
parents:
14862
diff
changeset
|
4859 // If we are supposed to start the GUI but it wasn't |
c1ee9f32bec3
patch 8.1.0463: "simalt ~x" in .vimrc blocks swap file prompt
Bram Moolenaar <Bram@vim.org>
parents:
14862
diff
changeset
|
4860 // completely started yet, start it now. This makes |
c1ee9f32bec3
patch 8.1.0463: "simalt ~x" in .vimrc blocks swap file prompt
Bram Moolenaar <Bram@vim.org>
parents:
14862
diff
changeset
|
4861 // the messages displayed in the Vim window when |
c1ee9f32bec3
patch 8.1.0463: "simalt ~x" in .vimrc blocks swap file prompt
Bram Moolenaar <Bram@vim.org>
parents:
14862
diff
changeset
|
4862 // loading a session from the .gvimrc file. |
580 | 4863 if (gui.starting && !gui.in_use) |
16451
7ae2396cef62
patch 8.1.1230: a lot of code is shared between vim.exe and gvim.exe
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
4864 gui_start(NULL); |
580 | 4865 #endif |
14903
c1ee9f32bec3
patch 8.1.0463: "simalt ~x" in .vimrc blocks swap file prompt
Bram Moolenaar <Bram@vim.org>
parents:
14862
diff
changeset
|
4866 // Show info about the existing swap file. |
580 | 4867 attention_message(buf, fname); |
4868 | |
14903
c1ee9f32bec3
patch 8.1.0463: "simalt ~x" in .vimrc blocks swap file prompt
Bram Moolenaar <Bram@vim.org>
parents:
14862
diff
changeset
|
4869 // We don't want a 'q' typed at the more-prompt |
c1ee9f32bec3
patch 8.1.0463: "simalt ~x" in .vimrc blocks swap file prompt
Bram Moolenaar <Bram@vim.org>
parents:
14862
diff
changeset
|
4870 // interrupt loading a file. |
580 | 4871 got_int = FALSE; |
14903
c1ee9f32bec3
patch 8.1.0463: "simalt ~x" in .vimrc blocks swap file prompt
Bram Moolenaar <Bram@vim.org>
parents:
14862
diff
changeset
|
4872 |
c1ee9f32bec3
patch 8.1.0463: "simalt ~x" in .vimrc blocks swap file prompt
Bram Moolenaar <Bram@vim.org>
parents:
14862
diff
changeset
|
4873 // If vimrc has "simalt ~x" we don't want it to |
c1ee9f32bec3
patch 8.1.0463: "simalt ~x" in .vimrc blocks swap file prompt
Bram Moolenaar <Bram@vim.org>
parents:
14862
diff
changeset
|
4874 // interfere with the prompt here. |
14909
c97b4b537572
patch 8.1.0466: autocmd test fails
Bram Moolenaar <Bram@vim.org>
parents:
14903
diff
changeset
|
4875 flush_buffers(FLUSH_TYPEAHEAD); |
7 | 4876 } |
4877 | |
4878 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) | |
580 | 4879 if (swap_exists_action != SEA_NONE && choice == 0) |
7 | 4880 { |
4881 char_u *name; | |
4882 | |
4883 name = alloc((unsigned)(STRLEN(fname) | |
4884 + STRLEN(_("Swap file \"")) | |
4885 + STRLEN(_("\" already exists!")) + 5)); | |
4886 if (name != NULL) | |
4887 { | |
4888 STRCPY(name, _("Swap file \"")); | |
4889 home_replace(NULL, fname, name + STRLEN(name), | |
4890 1000, TRUE); | |
4891 STRCAT(name, _("\" already exists!")); | |
4892 } | |
580 | 4893 choice = do_dialog(VIM_WARNING, |
7 | 4894 (char_u *)_("VIM - ATTENTION"), |
4895 name == NULL | |
4896 ? (char_u *)_("Swap file already exists!") | |
4897 : name, | |
16455
1ae13586edf8
patch 8.1.1232: can't build on MS-Windows
Bram Moolenaar <Bram@vim.org>
parents:
16453
diff
changeset
|
4898 # ifdef HAVE_PROCESS_STILL_RUNNING |
7 | 4899 process_still_running |
4900 ? (char_u *)_("&Open Read-Only\n&Edit anyway\n&Recover\n&Quit\n&Abort") : | |
4901 # endif | |
2684 | 4902 (char_u *)_("&Open Read-Only\n&Edit anyway\n&Recover\n&Delete it\n&Quit\n&Abort"), 1, NULL, FALSE); |
580 | 4903 |
16455
1ae13586edf8
patch 8.1.1232: can't build on MS-Windows
Bram Moolenaar <Bram@vim.org>
parents:
16453
diff
changeset
|
4904 # ifdef HAVE_PROCESS_STILL_RUNNING |
580 | 4905 if (process_still_running && choice >= 4) |
4906 choice++; /* Skip missing "Delete it" button */ | |
4907 # endif | |
4908 vim_free(name); | |
4909 | |
4910 /* pretend screen didn't scroll, need redraw anyway */ | |
4911 msg_scrolled = 0; | |
4912 redraw_all_later(NOT_VALID); | |
4913 } | |
4914 #endif | |
4915 | |
4916 if (choice > 0) | |
4917 { | |
4918 switch (choice) | |
7 | 4919 { |
4920 case 1: | |
4921 buf->b_p_ro = TRUE; | |
4922 break; | |
4923 case 2: | |
4924 break; | |
4925 case 3: | |
4926 swap_exists_action = SEA_RECOVER; | |
4927 break; | |
4928 case 4: | |
580 | 4929 mch_remove(fname); |
4930 break; | |
4931 case 5: | |
7 | 4932 swap_exists_action = SEA_QUIT; |
4933 break; | |
580 | 4934 case 6: |
7 | 4935 swap_exists_action = SEA_QUIT; |
4936 got_int = TRUE; | |
4937 break; | |
4938 } | |
4939 | |
4940 /* If the file was deleted this fname can be used. */ | |
4941 if (mch_getperm(fname) < 0) | |
4942 break; | |
4943 } | |
4944 else | |
4945 { | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
4946 msg_puts("\n"); |
625 | 4947 if (msg_silent == 0) |
4948 /* call wait_return() later */ | |
4949 need_wait_return = TRUE; | |
7 | 4950 } |
4951 | |
4952 #ifdef CREATE_DUMMY_FILE | |
4953 /* Going to try another name, need the dummy file again. */ | |
4954 if (did_use_dummy) | |
5432 | 4955 dummyfd = mch_fopen((char *)buf_fname, "w"); |
7 | 4956 #endif |
4957 } | |
4958 } | |
4959 } | |
4960 | |
4961 /* | |
4962 * Change the ".swp" extension to find another file that can be used. | |
4963 * First decrement the last char: ".swo", ".swn", etc. | |
4964 * If that still isn't enough decrement the last but one char: ".svz" | |
9 | 4965 * Can happen when editing many "No Name" buffers. |
7 | 4966 */ |
4967 if (fname[n - 1] == 'a') /* ".s?a" */ | |
4968 { | |
4969 if (fname[n - 2] == 'a') /* ".saa": tried enough, give up */ | |
4970 { | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
4971 emsg(_("E326: Too many swap files found")); |
13244
ac42c4b11dbc
patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents:
12975
diff
changeset
|
4972 VIM_CLEAR(fname); |
7 | 4973 break; |
4974 } | |
4975 --fname[n - 2]; /* ".svz", ".suz", etc. */ | |
4976 fname[n - 1] = 'z' + 1; | |
4977 } | |
4978 --fname[n - 1]; /* ".swo", ".swn", etc. */ | |
4979 } | |
4980 | |
4981 vim_free(dir_name); | |
4982 #ifdef CREATE_DUMMY_FILE | |
4983 if (dummyfd != NULL) /* file has been created temporarily */ | |
4984 { | |
4985 fclose(dummyfd); | |
5432 | 4986 mch_remove(buf_fname); |
7 | 4987 } |
4988 #endif | |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15636
diff
changeset
|
4989 #ifdef MSWIN |
5432 | 4990 if (buf_fname != buf->b_fname) |
4991 vim_free(buf_fname); | |
4992 #endif | |
7 | 4993 return fname; |
4994 } | |
4995 | |
4996 static int | |
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diff
changeset
|
4997 b0_magic_wrong(ZERO_BL *b0p) |
7 | 4998 { |
4999 return (b0p->b0_magic_long != (long)B0_MAGIC_LONG | |
5000 || b0p->b0_magic_int != (int)B0_MAGIC_INT | |
5001 || b0p->b0_magic_short != (short)B0_MAGIC_SHORT | |
5002 || b0p->b0_magic_char != B0_MAGIC_CHAR); | |
5003 } | |
5004 | |
5005 #ifdef CHECK_INODE | |
5006 /* | |
5007 * Compare current file name with file name from swap file. | |
5008 * Try to use inode numbers when possible. | |
5009 * Return non-zero when files are different. | |
5010 * | |
5011 * When comparing file names a few things have to be taken into consideration: | |
5012 * - When working over a network the full path of a file depends on the host. | |
5013 * We check the inode number if possible. It is not 100% reliable though, | |
5014 * because the device number cannot be used over a network. | |
5015 * - When a file does not exist yet (editing a new file) there is no inode | |
5016 * number. | |
5017 * - The file name in a swap file may not be valid on the current host. The | |
5018 * "~user" form is used whenever possible to avoid this. | |
5019 * | |
5020 * This is getting complicated, let's make a table: | |
5021 * | |
5022 * ino_c ino_s fname_c fname_s differ = | |
5023 * | |
5024 * both files exist -> compare inode numbers: | |
5025 * != 0 != 0 X X ino_c != ino_s | |
5026 * | |
5027 * inode number(s) unknown, file names available -> compare file names | |
5028 * == 0 X OK OK fname_c != fname_s | |
5029 * X == 0 OK OK fname_c != fname_s | |
5030 * | |
5031 * current file doesn't exist, file for swap file exist, file name(s) not | |
5032 * available -> probably different | |
5033 * == 0 != 0 FAIL X TRUE | |
5034 * == 0 != 0 X FAIL TRUE | |
5035 * | |
5036 * current file exists, inode for swap unknown, file name(s) not | |
5037 * available -> probably different | |
5038 * != 0 == 0 FAIL X TRUE | |
5039 * != 0 == 0 X FAIL TRUE | |
5040 * | |
5041 * current file doesn't exist, inode for swap unknown, one file name not | |
5042 * available -> probably different | |
5043 * == 0 == 0 FAIL OK TRUE | |
5044 * == 0 == 0 OK FAIL TRUE | |
5045 * | |
5046 * current file doesn't exist, inode for swap unknown, both file names not | |
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|
5047 * available -> compare file names |
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diff
changeset
|
5048 * == 0 == 0 FAIL FAIL fname_c != fname_s |
7 | 5049 * |
5050 * Note that when the ino_t is 64 bits, only the last 32 will be used. This | |
5051 * can't be changed without making the block 0 incompatible with 32 bit | |
5052 * versions. | |
5053 */ | |
5054 | |
5055 static int | |
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diff
changeset
|
5056 fnamecmp_ino( |
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diff
changeset
|
5057 char_u *fname_c, /* current file name */ |
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diff
changeset
|
5058 char_u *fname_s, /* file name from swap file */ |
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parents:
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diff
changeset
|
5059 long ino_block0) |
7 | 5060 { |
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diff
changeset
|
5061 stat_T st; |
7 | 5062 ino_t ino_c = 0; /* ino of current file */ |
5063 ino_t ino_s; /* ino of file from swap file */ | |
5064 char_u buf_c[MAXPATHL]; /* full path of fname_c */ | |
5065 char_u buf_s[MAXPATHL]; /* full path of fname_s */ | |
5066 int retval_c; /* flag: buf_c valid */ | |
5067 int retval_s; /* flag: buf_s valid */ | |
5068 | |
5069 if (mch_stat((char *)fname_c, &st) == 0) | |
5070 ino_c = (ino_t)st.st_ino; | |
5071 | |
5072 /* | |
5073 * First we try to get the inode from the file name, because the inode in | |
5074 * the swap file may be outdated. If that fails (e.g. this path is not | |
5075 * valid on this machine), use the inode from block 0. | |
5076 */ | |
5077 if (mch_stat((char *)fname_s, &st) == 0) | |
5078 ino_s = (ino_t)st.st_ino; | |
5079 else | |
5080 ino_s = (ino_t)ino_block0; | |
5081 | |
5082 if (ino_c && ino_s) | |
5083 return (ino_c != ino_s); | |
5084 | |
5085 /* | |
5086 * One of the inode numbers is unknown, try a forced vim_FullName() and | |
5087 * compare the file names. | |
5088 */ | |
5089 retval_c = vim_FullName(fname_c, buf_c, MAXPATHL, TRUE); | |
5090 retval_s = vim_FullName(fname_s, buf_s, MAXPATHL, TRUE); | |
5091 if (retval_c == OK && retval_s == OK) | |
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changeset
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5092 return STRCMP(buf_c, buf_s) != 0; |
7 | 5093 |
5094 /* | |
5095 * Can't compare inodes or file names, guess that the files are different, | |
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5096 * unless both appear not to exist at all, then compare with the file name |
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diff
changeset
|
5097 * in the swap file. |
7 | 5098 */ |
5099 if (ino_s == 0 && ino_c == 0 && retval_c == FAIL && retval_s == FAIL) | |
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changeset
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5100 return STRCMP(fname_c, fname_s) != 0; |
7 | 5101 return TRUE; |
5102 } | |
5103 #endif /* CHECK_INODE */ | |
5104 | |
5105 /* | |
5106 * Move a long integer into a four byte character array. | |
5107 * Used for machine independency in block zero. | |
5108 */ | |
5109 static void | |
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diff
changeset
|
5110 long_to_char(long n, char_u *s) |
7 | 5111 { |
5112 s[0] = (char_u)(n & 0xff); | |
5113 n = (unsigned)n >> 8; | |
5114 s[1] = (char_u)(n & 0xff); | |
5115 n = (unsigned)n >> 8; | |
5116 s[2] = (char_u)(n & 0xff); | |
5117 n = (unsigned)n >> 8; | |
5118 s[3] = (char_u)(n & 0xff); | |
5119 } | |
5120 | |
5121 static long | |
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diff
changeset
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5122 char_to_long(char_u *s) |
7 | 5123 { |
5124 long retval; | |
5125 | |
5126 retval = s[3]; | |
5127 retval <<= 8; | |
5128 retval |= s[2]; | |
5129 retval <<= 8; | |
5130 retval |= s[1]; | |
5131 retval <<= 8; | |
5132 retval |= s[0]; | |
5133 | |
5134 return retval; | |
5135 } | |
5136 | |
39 | 5137 /* |
5138 * Set the flags in the first block of the swap file: | |
5139 * - file is modified or not: buf->b_changed | |
5140 * - 'fileformat' | |
5141 * - 'fileencoding' | |
5142 */ | |
7 | 5143 void |
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diff
changeset
|
5144 ml_setflags(buf_T *buf) |
7 | 5145 { |
5146 bhdr_T *hp; | |
5147 ZERO_BL *b0p; | |
5148 | |
5149 if (!buf->b_ml.ml_mfp) | |
5150 return; | |
5151 for (hp = buf->b_ml.ml_mfp->mf_used_last; hp != NULL; hp = hp->bh_prev) | |
5152 { | |
5153 if (hp->bh_bnum == 0) | |
5154 { | |
5155 b0p = (ZERO_BL *)(hp->bh_data); | |
39 | 5156 b0p->b0_dirty = buf->b_changed ? B0_DIRTY : 0; |
5157 b0p->b0_flags = (b0p->b0_flags & ~B0_FF_MASK) | |
5158 | (get_fileformat(buf) + 1); | |
5159 add_b0_fenc(b0p, buf); | |
7 | 5160 hp->bh_flags |= BH_DIRTY; |
5161 mf_sync(buf->b_ml.ml_mfp, MFS_ZERO); | |
5162 break; | |
5163 } | |
5164 } | |
5165 } | |
5166 | |
2267 | 5167 #if defined(FEAT_CRYPT) || defined(PROTO) |
5168 /* | |
5169 * If "data" points to a data block encrypt the text in it and return a copy | |
5170 * in allocated memory. Return NULL when out of memory. | |
5171 * Otherwise return "data". | |
5172 */ | |
5173 char_u * | |
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diff
changeset
|
5174 ml_encrypt_data( |
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|
5175 memfile_T *mfp, |
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|
5176 char_u *data, |
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diff
changeset
|
5177 off_T offset, |
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parents:
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diff
changeset
|
5178 unsigned size) |
2267 | 5179 { |
5180 DATA_BL *dp = (DATA_BL *)data; | |
5181 char_u *head_end; | |
5182 char_u *text_start; | |
5183 char_u *new_data; | |
5184 int text_len; | |
6122 | 5185 cryptstate_T *state; |
2267 | 5186 |
5187 if (dp->db_id != DATA_ID) | |
5188 return data; | |
5189 | |
6817 | 5190 state = ml_crypt_prepare(mfp, offset, FALSE); |
5191 if (state == NULL) | |
5192 return data; | |
5193 | |
2267 | 5194 new_data = (char_u *)alloc(size); |
5195 if (new_data == NULL) | |
5196 return NULL; | |
5197 head_end = (char_u *)(&dp->db_index[dp->db_line_count]); | |
5198 text_start = (char_u *)dp + dp->db_txt_start; | |
5199 text_len = size - dp->db_txt_start; | |
5200 | |
5201 /* Copy the header and the text. */ | |
5202 mch_memmove(new_data, dp, head_end - (char_u *)dp); | |
5203 | |
5204 /* Encrypt the text. */ | |
6122 | 5205 crypt_encode(state, text_start, text_len, new_data + dp->db_txt_start); |
5206 crypt_free_state(state); | |
2267 | 5207 |
5208 /* Clear the gap. */ | |
5209 if (head_end < text_start) | |
5210 vim_memset(new_data + (head_end - data), 0, text_start - head_end); | |
5211 | |
5212 return new_data; | |
5213 } | |
5214 | |
5215 /* | |
6817 | 5216 * Decrypt the text in "data" if it points to an encrypted data block. |
2267 | 5217 */ |
5218 void | |
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diff
changeset
|
5219 ml_decrypt_data( |
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diff
changeset
|
5220 memfile_T *mfp, |
41789f16d6b2
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diff
changeset
|
5221 char_u *data, |
9387
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diff
changeset
|
5222 off_T offset, |
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parents:
7803
diff
changeset
|
5223 unsigned size) |
2267 | 5224 { |
5225 DATA_BL *dp = (DATA_BL *)data; | |
5226 char_u *head_end; | |
5227 char_u *text_start; | |
5228 int text_len; | |
6122 | 5229 cryptstate_T *state; |
2267 | 5230 |
5231 if (dp->db_id == DATA_ID) | |
5232 { | |
5233 head_end = (char_u *)(&dp->db_index[dp->db_line_count]); | |
5234 text_start = (char_u *)dp + dp->db_txt_start; | |
5235 text_len = dp->db_txt_end - dp->db_txt_start; | |
5236 | |
5237 if (head_end > text_start || dp->db_txt_start > size | |
5238 || dp->db_txt_end > size) | |
5239 return; /* data was messed up */ | |
5240 | |
6122 | 5241 state = ml_crypt_prepare(mfp, offset, TRUE); |
6817 | 5242 if (state != NULL) |
5243 { | |
5244 /* Decrypt the text in place. */ | |
5245 crypt_decode_inplace(state, text_start, text_len); | |
5246 crypt_free_state(state); | |
5247 } | |
2267 | 5248 } |
5249 } | |
5250 | |
5251 /* | |
5252 * Prepare for encryption/decryption, using the key, seed and offset. | |
6122 | 5253 * Return an allocated cryptstate_T *. |
2267 | 5254 */ |
6122 | 5255 static cryptstate_T * |
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9295
diff
changeset
|
5256 ml_crypt_prepare(memfile_T *mfp, off_T offset, int reading) |
2267 | 5257 { |
5258 buf_T *buf = mfp->mf_buffer; | |
5259 char_u salt[50]; | |
6122 | 5260 int method_nr; |
2267 | 5261 char_u *key; |
5262 char_u *seed; | |
5263 | |
5264 if (reading && mfp->mf_old_key != NULL) | |
5265 { | |
5266 /* Reading back blocks with the previous key/method/seed. */ | |
6122 | 5267 method_nr = mfp->mf_old_cm; |
2267 | 5268 key = mfp->mf_old_key; |
5269 seed = mfp->mf_old_seed; | |
5270 } | |
5271 else | |
5272 { | |
6122 | 5273 method_nr = crypt_get_method_nr(buf); |
2267 | 5274 key = buf->b_p_key; |
5275 seed = mfp->mf_seed; | |
5276 } | |
6817 | 5277 if (*key == NUL) |
5278 return NULL; | |
2267 | 5279 |
6122 | 5280 if (method_nr == CRYPT_M_ZIP) |
2267 | 5281 { |
6122 | 5282 /* For PKzip: Append the offset to the key, so that we use a different |
5283 * key for every block. */ | |
2267 | 5284 vim_snprintf((char *)salt, sizeof(salt), "%s%ld", key, (long)offset); |
6122 | 5285 return crypt_create(method_nr, salt, NULL, 0, NULL, 0); |
2267 | 5286 } |
6122 | 5287 |
5288 /* Using blowfish or better: add salt and seed. We use the byte offset | |
5289 * of the block for the salt. */ | |
5290 vim_snprintf((char *)salt, sizeof(salt), "%ld", (long)offset); | |
5291 return crypt_create(method_nr, key, salt, (int)STRLEN(salt), | |
5292 seed, MF_SEED_LEN); | |
2267 | 5293 } |
5294 | |
5295 #endif | |
5296 | |
5297 | |
7 | 5298 #if defined(FEAT_BYTEOFF) || defined(PROTO) |
5299 | |
5300 #define MLCS_MAXL 800 /* max no of lines in chunk */ | |
5301 #define MLCS_MINL 400 /* should be half of MLCS_MAXL */ | |
5302 | |
5303 /* | |
2407
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diff
changeset
|
5304 * Keep information for finding byte offset of a line, updtype may be one of: |
7 | 5305 * ML_CHNK_ADDLINE: Add len to parent chunk, possibly splitting it |
5306 * Careful: ML_CHNK_ADDLINE may cause ml_find_line() to be called. | |
5307 * ML_CHNK_DELLINE: Subtract len from parent chunk, possibly deleting it | |
5308 * ML_CHNK_UPDLINE: Add len to parent chunk, as a signed entity. | |
5309 */ | |
5310 static void | |
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diff
changeset
|
5311 ml_updatechunk( |
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diff
changeset
|
5312 buf_T *buf, |
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changeset
|
5313 linenr_T line, |
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diff
changeset
|
5314 long len, |
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diff
changeset
|
5315 int updtype) |
7 | 5316 { |
5317 static buf_T *ml_upd_lastbuf = NULL; | |
5318 static linenr_T ml_upd_lastline; | |
5319 static linenr_T ml_upd_lastcurline; | |
5320 static int ml_upd_lastcurix; | |
5321 | |
5322 linenr_T curline = ml_upd_lastcurline; | |
5323 int curix = ml_upd_lastcurix; | |
5324 long size; | |
5325 chunksize_T *curchnk; | |
5326 int rest; | |
5327 bhdr_T *hp; | |
5328 DATA_BL *dp; | |
5329 | |
5330 if (buf->b_ml.ml_usedchunks == -1 || len == 0) | |
5331 return; | |
5332 if (buf->b_ml.ml_chunksize == NULL) | |
5333 { | |
5334 buf->b_ml.ml_chunksize = (chunksize_T *) | |
5335 alloc((unsigned)sizeof(chunksize_T) * 100); | |
5336 if (buf->b_ml.ml_chunksize == NULL) | |
5337 { | |
5338 buf->b_ml.ml_usedchunks = -1; | |
5339 return; | |
5340 } | |
5341 buf->b_ml.ml_numchunks = 100; | |
5342 buf->b_ml.ml_usedchunks = 1; | |
5343 buf->b_ml.ml_chunksize[0].mlcs_numlines = 1; | |
5344 buf->b_ml.ml_chunksize[0].mlcs_totalsize = 1; | |
5345 } | |
5346 | |
5347 if (updtype == ML_CHNK_UPDLINE && buf->b_ml.ml_line_count == 1) | |
5348 { | |
5349 /* | |
5350 * First line in empty buffer from ml_flush_line() -- reset | |
5351 */ | |
5352 buf->b_ml.ml_usedchunks = 1; | |
5353 buf->b_ml.ml_chunksize[0].mlcs_numlines = 1; | |
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changeset
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5354 buf->b_ml.ml_chunksize[0].mlcs_totalsize = (long)buf->b_ml.ml_line_len; |
7 | 5355 return; |
5356 } | |
5357 | |
5358 /* | |
5359 * Find chunk that our line belongs to, curline will be at start of the | |
5360 * chunk. | |
5361 */ | |
5362 if (buf != ml_upd_lastbuf || line != ml_upd_lastline + 1 | |
5363 || updtype != ML_CHNK_ADDLINE) | |
5364 { | |
5365 for (curline = 1, curix = 0; | |
5366 curix < buf->b_ml.ml_usedchunks - 1 | |
5367 && line >= curline + buf->b_ml.ml_chunksize[curix].mlcs_numlines; | |
5368 curix++) | |
5369 curline += buf->b_ml.ml_chunksize[curix].mlcs_numlines; | |
5370 } | |
14980
c98810dfebaf
patch 8.1.0501: cppcheck warns for using array index before bounds check
Bram Moolenaar <Bram@vim.org>
parents:
14923
diff
changeset
|
5371 else if (curix < buf->b_ml.ml_usedchunks - 1 |
c98810dfebaf
patch 8.1.0501: cppcheck warns for using array index before bounds check
Bram Moolenaar <Bram@vim.org>
parents:
14923
diff
changeset
|
5372 && line >= curline + buf->b_ml.ml_chunksize[curix].mlcs_numlines) |
7 | 5373 { |
5374 /* Adjust cached curix & curline */ | |
5375 curline += buf->b_ml.ml_chunksize[curix].mlcs_numlines; | |
5376 curix++; | |
5377 } | |
5378 curchnk = buf->b_ml.ml_chunksize + curix; | |
5379 | |
5380 if (updtype == ML_CHNK_DELLINE) | |
1030 | 5381 len = -len; |
7 | 5382 curchnk->mlcs_totalsize += len; |
5383 if (updtype == ML_CHNK_ADDLINE) | |
5384 { | |
5385 curchnk->mlcs_numlines++; | |
5386 | |
5387 /* May resize here so we don't have to do it in both cases below */ | |
5388 if (buf->b_ml.ml_usedchunks + 1 >= buf->b_ml.ml_numchunks) | |
5389 { | |
6596 | 5390 chunksize_T *t_chunksize = buf->b_ml.ml_chunksize; |
5391 | |
7 | 5392 buf->b_ml.ml_numchunks = buf->b_ml.ml_numchunks * 3 / 2; |
5393 buf->b_ml.ml_chunksize = (chunksize_T *) | |
5394 vim_realloc(buf->b_ml.ml_chunksize, | |
5395 sizeof(chunksize_T) * buf->b_ml.ml_numchunks); | |
5396 if (buf->b_ml.ml_chunksize == NULL) | |
5397 { | |
5398 /* Hmmmm, Give up on offset for this buffer */ | |
6596 | 5399 vim_free(t_chunksize); |
7 | 5400 buf->b_ml.ml_usedchunks = -1; |
5401 return; | |
5402 } | |
5403 } | |
5404 | |
5405 if (buf->b_ml.ml_chunksize[curix].mlcs_numlines >= MLCS_MAXL) | |
5406 { | |
5407 int count; /* number of entries in block */ | |
5408 int idx; | |
15255
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5409 int end_idx; |
7 | 5410 int text_end; |
5411 int linecnt; | |
5412 | |
5413 mch_memmove(buf->b_ml.ml_chunksize + curix + 1, | |
5414 buf->b_ml.ml_chunksize + curix, | |
5415 (buf->b_ml.ml_usedchunks - curix) * | |
5416 sizeof(chunksize_T)); | |
1855 | 5417 /* Compute length of first half of lines in the split chunk */ |
7 | 5418 size = 0; |
5419 linecnt = 0; | |
5420 while (curline < buf->b_ml.ml_line_count | |
5421 && linecnt < MLCS_MINL) | |
5422 { | |
5423 if ((hp = ml_find_line(buf, curline, ML_FIND)) == NULL) | |
5424 { | |
5425 buf->b_ml.ml_usedchunks = -1; | |
5426 return; | |
5427 } | |
5428 dp = (DATA_BL *)(hp->bh_data); | |
5429 count = (long)(buf->b_ml.ml_locked_high) - | |
5430 (long)(buf->b_ml.ml_locked_low) + 1; | |
5431 idx = curline - buf->b_ml.ml_locked_low; | |
5432 curline = buf->b_ml.ml_locked_high + 1; | |
15255
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5433 |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5434 // compute index of last line to use in this MEMLINE |
7 | 5435 rest = count - idx; |
5436 if (linecnt + rest > MLCS_MINL) | |
5437 { | |
15255
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5438 end_idx = idx + MLCS_MINL - linecnt - 1; |
7 | 5439 linecnt = MLCS_MINL; |
5440 } | |
5441 else | |
5442 { | |
15255
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5443 end_idx = count - 1; |
7 | 5444 linecnt += rest; |
5445 } | |
15255
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5446 #ifdef FEAT_TEXT_PROP |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5447 if (buf->b_has_textprop) |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5448 { |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5449 int i; |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5450 |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5451 // We cannot use the text pointers to get the text length, |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5452 // the text prop info would also be counted. Go over the |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5453 // lines. |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5454 for (i = end_idx; i < idx; ++i) |
15353
21580db06cf3
patch 8.1.0684: warnings from 64-bit compiler
Bram Moolenaar <Bram@vim.org>
parents:
15294
diff
changeset
|
5455 size += (int)STRLEN((char_u *)dp + (dp->db_index[i] & DB_INDEX_MASK)) + 1; |
15255
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5456 } |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5457 else |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5458 #endif |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5459 { |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5460 if (idx == 0)/* first line in block, text at the end */ |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5461 text_end = dp->db_txt_end; |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5462 else |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5463 text_end = ((dp->db_index[idx - 1]) & DB_INDEX_MASK); |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5464 size += text_end - ((dp->db_index[end_idx]) & DB_INDEX_MASK); |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5465 } |
7 | 5466 } |
5467 buf->b_ml.ml_chunksize[curix].mlcs_numlines = linecnt; | |
5468 buf->b_ml.ml_chunksize[curix + 1].mlcs_numlines -= linecnt; | |
5469 buf->b_ml.ml_chunksize[curix].mlcs_totalsize = size; | |
5470 buf->b_ml.ml_chunksize[curix + 1].mlcs_totalsize -= size; | |
5471 buf->b_ml.ml_usedchunks++; | |
5472 ml_upd_lastbuf = NULL; /* Force recalc of curix & curline */ | |
5473 return; | |
5474 } | |
5475 else if (buf->b_ml.ml_chunksize[curix].mlcs_numlines >= MLCS_MINL | |
5476 && curix == buf->b_ml.ml_usedchunks - 1 | |
5477 && buf->b_ml.ml_line_count - line <= 1) | |
5478 { | |
5479 /* | |
5480 * We are in the last chunk and it is cheap to crate a new one | |
5481 * after this. Do it now to avoid the loop above later on | |
5482 */ | |
5483 curchnk = buf->b_ml.ml_chunksize + curix + 1; | |
5484 buf->b_ml.ml_usedchunks++; | |
5485 if (line == buf->b_ml.ml_line_count) | |
5486 { | |
5487 curchnk->mlcs_numlines = 0; | |
5488 curchnk->mlcs_totalsize = 0; | |
5489 } | |
5490 else | |
5491 { | |
5492 /* | |
5493 * Line is just prior to last, move count for last | |
5494 * This is the common case when loading a new file | |
5495 */ | |
5496 hp = ml_find_line(buf, buf->b_ml.ml_line_count, ML_FIND); | |
5497 if (hp == NULL) | |
5498 { | |
5499 buf->b_ml.ml_usedchunks = -1; | |
5500 return; | |
5501 } | |
5502 dp = (DATA_BL *)(hp->bh_data); | |
5503 if (dp->db_line_count == 1) | |
5504 rest = dp->db_txt_end - dp->db_txt_start; | |
5505 else | |
5506 rest = | |
5507 ((dp->db_index[dp->db_line_count - 2]) & DB_INDEX_MASK) | |
5508 - dp->db_txt_start; | |
5509 curchnk->mlcs_totalsize = rest; | |
5510 curchnk->mlcs_numlines = 1; | |
5511 curchnk[-1].mlcs_totalsize -= rest; | |
5512 curchnk[-1].mlcs_numlines -= 1; | |
5513 } | |
5514 } | |
5515 } | |
5516 else if (updtype == ML_CHNK_DELLINE) | |
5517 { | |
5518 curchnk->mlcs_numlines--; | |
5519 ml_upd_lastbuf = NULL; /* Force recalc of curix & curline */ | |
5520 if (curix < (buf->b_ml.ml_usedchunks - 1) | |
5521 && (curchnk->mlcs_numlines + curchnk[1].mlcs_numlines) | |
5522 <= MLCS_MINL) | |
5523 { | |
5524 curix++; | |
5525 curchnk = buf->b_ml.ml_chunksize + curix; | |
5526 } | |
5527 else if (curix == 0 && curchnk->mlcs_numlines <= 0) | |
5528 { | |
5529 buf->b_ml.ml_usedchunks--; | |
5530 mch_memmove(buf->b_ml.ml_chunksize, buf->b_ml.ml_chunksize + 1, | |
5531 buf->b_ml.ml_usedchunks * sizeof(chunksize_T)); | |
5532 return; | |
5533 } | |
5534 else if (curix == 0 || (curchnk->mlcs_numlines > 10 | |
5535 && (curchnk->mlcs_numlines + curchnk[-1].mlcs_numlines) | |
5536 > MLCS_MINL)) | |
5537 { | |
5538 return; | |
5539 } | |
5540 | |
5541 /* Collapse chunks */ | |
5542 curchnk[-1].mlcs_numlines += curchnk->mlcs_numlines; | |
5543 curchnk[-1].mlcs_totalsize += curchnk->mlcs_totalsize; | |
5544 buf->b_ml.ml_usedchunks--; | |
5545 if (curix < buf->b_ml.ml_usedchunks) | |
5546 { | |
5547 mch_memmove(buf->b_ml.ml_chunksize + curix, | |
5548 buf->b_ml.ml_chunksize + curix + 1, | |
5549 (buf->b_ml.ml_usedchunks - curix) * | |
5550 sizeof(chunksize_T)); | |
5551 } | |
5552 return; | |
5553 } | |
5554 ml_upd_lastbuf = buf; | |
5555 ml_upd_lastline = line; | |
5556 ml_upd_lastcurline = curline; | |
5557 ml_upd_lastcurix = curix; | |
5558 } | |
5559 | |
5560 /* | |
5561 * Find offset for line or line with offset. | |
169 | 5562 * Find line with offset if "lnum" is 0; return remaining offset in offp |
5563 * Find offset of line if "lnum" > 0 | |
7 | 5564 * return -1 if information is not available |
5565 */ | |
5566 long | |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
5567 ml_find_line_or_offset(buf_T *buf, linenr_T lnum, long *offp) |
7 | 5568 { |
5569 linenr_T curline; | |
5570 int curix; | |
5571 long size; | |
5572 bhdr_T *hp; | |
5573 DATA_BL *dp; | |
5574 int count; /* number of entries in block */ | |
5575 int idx; | |
5576 int start_idx; | |
5577 int text_end; | |
5578 long offset; | |
5579 int len; | |
5580 int ffdos = (get_fileformat(buf) == EOL_DOS); | |
5581 int extra = 0; | |
5582 | |
169 | 5583 /* take care of cached line first */ |
5584 ml_flush_line(curbuf); | |
5585 | |
7 | 5586 if (buf->b_ml.ml_usedchunks == -1 |
5587 || buf->b_ml.ml_chunksize == NULL | |
169 | 5588 || lnum < 0) |
7 | 5589 return -1; |
5590 | |
5591 if (offp == NULL) | |
5592 offset = 0; | |
5593 else | |
5594 offset = *offp; | |
169 | 5595 if (lnum == 0 && offset <= 0) |
7 | 5596 return 1; /* Not a "find offset" and offset 0 _must_ be in line 1 */ |
5597 /* | |
5598 * Find the last chunk before the one containing our line. Last chunk is | |
5599 * special because it will never qualify | |
5600 */ | |
5601 curline = 1; | |
5602 curix = size = 0; | |
5603 while (curix < buf->b_ml.ml_usedchunks - 1 | |
169 | 5604 && ((lnum != 0 |
5605 && lnum >= curline + buf->b_ml.ml_chunksize[curix].mlcs_numlines) | |
7 | 5606 || (offset != 0 |
5607 && offset > size + buf->b_ml.ml_chunksize[curix].mlcs_totalsize | |
5608 + ffdos * buf->b_ml.ml_chunksize[curix].mlcs_numlines))) | |
5609 { | |
5610 curline += buf->b_ml.ml_chunksize[curix].mlcs_numlines; | |
5611 size += buf->b_ml.ml_chunksize[curix].mlcs_totalsize; | |
5612 if (offset && ffdos) | |
5613 size += buf->b_ml.ml_chunksize[curix].mlcs_numlines; | |
5614 curix++; | |
5615 } | |
5616 | |
169 | 5617 while ((lnum != 0 && curline < lnum) || (offset != 0 && size < offset)) |
7 | 5618 { |
5619 if (curline > buf->b_ml.ml_line_count | |
5620 || (hp = ml_find_line(buf, curline, ML_FIND)) == NULL) | |
5621 return -1; | |
5622 dp = (DATA_BL *)(hp->bh_data); | |
5623 count = (long)(buf->b_ml.ml_locked_high) - | |
5624 (long)(buf->b_ml.ml_locked_low) + 1; | |
5625 start_idx = idx = curline - buf->b_ml.ml_locked_low; | |
5626 if (idx == 0)/* first line in block, text at the end */ | |
5627 text_end = dp->db_txt_end; | |
5628 else | |
5629 text_end = ((dp->db_index[idx - 1]) & DB_INDEX_MASK); | |
5630 /* Compute index of last line to use in this MEMLINE */ | |
169 | 5631 if (lnum != 0) |
7 | 5632 { |
169 | 5633 if (curline + (count - idx) >= lnum) |
5634 idx += lnum - curline - 1; | |
7 | 5635 else |
5636 idx = count - 1; | |
5637 } | |
5638 else | |
5639 { | |
5640 extra = 0; | |
5641 while (offset >= size | |
5642 + text_end - (int)((dp->db_index[idx]) & DB_INDEX_MASK) | |
5643 + ffdos) | |
5644 { | |
5645 if (ffdos) | |
5646 size++; | |
5647 if (idx == count - 1) | |
5648 { | |
5649 extra = 1; | |
5650 break; | |
5651 } | |
5652 idx++; | |
5653 } | |
5654 } | |
15255
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5655 #ifdef FEAT_TEXT_PROP |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5656 if (buf->b_has_textprop) |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5657 { |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5658 int i; |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5659 |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5660 // cannot use the db_index pointer, need to get the actual text |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5661 // lengths. |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5662 len = 0; |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5663 for (i = start_idx; i <= idx; ++i) |
15353
21580db06cf3
patch 8.1.0684: warnings from 64-bit compiler
Bram Moolenaar <Bram@vim.org>
parents:
15294
diff
changeset
|
5664 len += (int)STRLEN((char_u *)dp + ((dp->db_index[i]) & DB_INDEX_MASK)) + 1; |
15255
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5665 } |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5666 else |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5667 #endif |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5668 len = text_end - ((dp->db_index[idx]) & DB_INDEX_MASK); |
7 | 5669 size += len; |
5670 if (offset != 0 && size >= offset) | |
5671 { | |
5672 if (size + ffdos == offset) | |
5673 *offp = 0; | |
5674 else if (idx == start_idx) | |
5675 *offp = offset - size + len; | |
5676 else | |
5677 *offp = offset - size + len | |
5678 - (text_end - ((dp->db_index[idx - 1]) & DB_INDEX_MASK)); | |
5679 curline += idx - start_idx + extra; | |
5680 if (curline > buf->b_ml.ml_line_count) | |
5681 return -1; /* exactly one byte beyond the end */ | |
5682 return curline; | |
5683 } | |
5684 curline = buf->b_ml.ml_locked_high + 1; | |
5685 } | |
5686 | |
169 | 5687 if (lnum != 0) |
20 | 5688 { |
5689 /* Count extra CR characters. */ | |
5690 if (ffdos) | |
169 | 5691 size += lnum - 1; |
20 | 5692 |
6933 | 5693 /* Don't count the last line break if 'noeol' and ('bin' or |
5694 * 'nofixeol'). */ | |
5695 if ((!buf->b_p_fixeol || buf->b_p_bin) && !buf->b_p_eol | |
14579
23d6d9e9ae3e
patch 8.1.0303: line2byte() is wrong for last line with 'noeol'
Christian Brabandt <cb@256bit.org>
parents:
14475
diff
changeset
|
5696 && lnum > buf->b_ml.ml_line_count) |
20 | 5697 size -= ffdos + 1; |
5698 } | |
5699 | |
7 | 5700 return size; |
5701 } | |
5702 | |
5703 /* | |
5704 * Goto byte in buffer with offset 'cnt'. | |
5705 */ | |
5706 void | |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
5707 goto_byte(long cnt) |
7 | 5708 { |
5709 long boff = cnt; | |
5710 linenr_T lnum; | |
5711 | |
5712 ml_flush_line(curbuf); /* cached line may be dirty */ | |
5713 setpcmark(); | |
5714 if (boff) | |
5715 --boff; | |
5716 lnum = ml_find_line_or_offset(curbuf, (linenr_T)0, &boff); | |
5717 if (lnum < 1) /* past the end */ | |
5718 { | |
5719 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; | |
5720 curwin->w_curswant = MAXCOL; | |
5721 coladvance((colnr_T)MAXCOL); | |
5722 } | |
5723 else | |
5724 { | |
5725 curwin->w_cursor.lnum = lnum; | |
5726 curwin->w_cursor.col = (colnr_T)boff; | |
572 | 5727 curwin->w_cursor.coladd = 0; |
7 | 5728 curwin->w_set_curswant = TRUE; |
5729 } | |
5730 check_cursor(); | |
5731 | |
5732 /* Make sure the cursor is on the first byte of a multi-byte char. */ | |
5733 if (has_mbyte) | |
5734 mb_adjust_cursor(); | |
5735 } | |
5736 #endif |