Mercurial > vim
annotate src/fileio.c @ 6147:d4e0c197e979 v7.4.411
updated for version 7.4.411
Problem: "foo bar" sorts before "foo" with sort(). (John Little)
Solution: Avoid putting quotes around strings before comparing them.
author | Bram Moolenaar <bram@vim.org> |
---|---|
date | Fri, 22 Aug 2014 13:13:27 +0200 |
parents | 86fb698a38d5 |
children | 67edf731a240 |
rev | line source |
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7 | 1 /* vi:set ts=8 sts=4 sw=4: |
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 /* | |
11 * fileio.c: read from and write to a file | |
12 */ | |
13 | |
14 #include "vim.h" | |
15 | |
2014 | 16 #if defined(__TANDEM) || defined(__MINT__) |
7 | 17 # include <limits.h> /* for SSIZE_MAX */ |
18 #endif | |
19 | |
20 #if defined(HAVE_UTIME) && defined(HAVE_UTIME_H) | |
21 # include <utime.h> /* for struct utimbuf */ | |
22 #endif | |
23 | |
24 #define BUFSIZE 8192 /* size of normal write buffer */ | |
25 #define SMBUFSIZE 256 /* size of emergency write buffer */ | |
26 | |
27 /* Is there any system that doesn't have access()? */ | |
574 | 28 #define USE_MCH_ACCESS |
7 | 29 |
1313 | 30 #if defined(sun) && defined(S_ISCHR) |
31 # define OPEN_CHR_FILES | |
32 static int is_dev_fd_file(char_u *fname); | |
33 #endif | |
7 | 34 #ifdef FEAT_MBYTE |
35 static char_u *next_fenc __ARGS((char_u **pp)); | |
36 # ifdef FEAT_EVAL | |
37 static char_u *readfile_charconvert __ARGS((char_u *fname, char_u *fenc, int *fdp)); | |
38 # endif | |
39 #endif | |
40 #ifdef FEAT_VIMINFO | |
41 static void check_marks_read __ARGS((void)); | |
42 #endif | |
43 #ifdef FEAT_CRYPT | |
2267 | 44 static char_u *check_for_cryptkey __ARGS((char_u *cryptkey, char_u *ptr, long *sizep, off_t *filesizep, int newfile, char_u *fname, int *did_ask)); |
7 | 45 #endif |
46 #ifdef UNIX | |
47 static void set_file_time __ARGS((char_u *fname, time_t atime, time_t mtime)); | |
48 #endif | |
633 | 49 static int set_rw_fname __ARGS((char_u *fname, char_u *sfname)); |
7 | 50 static int msg_add_fileformat __ARGS((int eol_type)); |
51 static void msg_add_eol __ARGS((void)); | |
52 static int check_mtime __ARGS((buf_T *buf, struct stat *s)); | |
53 static int time_differs __ARGS((long t1, long t2)); | |
54 #ifdef FEAT_AUTOCMD | |
661 | 55 static int apply_autocmds_exarg __ARGS((event_T event, char_u *fname, char_u *fname_io, int force, buf_T *buf, exarg_T *eap)); |
676 | 56 static int au_find_group __ARGS((char_u *name)); |
57 | |
58 # define AUGROUP_DEFAULT -1 /* default autocmd group */ | |
1834 | 59 # define AUGROUP_ERROR -2 /* erroneous autocmd group */ |
676 | 60 # define AUGROUP_ALL -3 /* all autocmd groups */ |
7 | 61 #endif |
62 | |
63 #if defined(FEAT_CRYPT) || defined(FEAT_MBYTE) | |
64 # define HAS_BW_FLAGS | |
65 # define FIO_LATIN1 0x01 /* convert Latin1 */ | |
66 # define FIO_UTF8 0x02 /* convert UTF-8 */ | |
67 # define FIO_UCS2 0x04 /* convert UCS-2 */ | |
68 # define FIO_UCS4 0x08 /* convert UCS-4 */ | |
69 # define FIO_UTF16 0x10 /* convert UTF-16 */ | |
70 # ifdef WIN3264 | |
71 # define FIO_CODEPAGE 0x20 /* convert MS-Windows codepage */ | |
72 # define FIO_PUT_CP(x) (((x) & 0xffff) << 16) /* put codepage in top word */ | |
73 # define FIO_GET_CP(x) (((x)>>16) & 0xffff) /* get codepage from top word */ | |
74 # endif | |
75 # ifdef MACOS_X | |
76 # define FIO_MACROMAN 0x20 /* convert MacRoman */ | |
77 # endif | |
78 # define FIO_ENDIAN_L 0x80 /* little endian */ | |
79 # define FIO_ENCRYPTED 0x1000 /* encrypt written bytes */ | |
80 # define FIO_NOCONVERT 0x2000 /* skip encoding conversion */ | |
81 # define FIO_UCSBOM 0x4000 /* check for BOM at start of file */ | |
82 # define FIO_ALL -1 /* allow all formats */ | |
83 #endif | |
84 | |
85 /* When converting, a read() or write() may leave some bytes to be converted | |
86 * for the next call. The value is guessed... */ | |
87 #define CONV_RESTLEN 30 | |
88 | |
89 /* We have to guess how much a sequence of bytes may expand when converting | |
90 * with iconv() to be able to allocate a buffer. */ | |
91 #define ICONV_MULT 8 | |
92 | |
93 /* | |
94 * Structure to pass arguments from buf_write() to buf_write_bytes(). | |
95 */ | |
96 struct bw_info | |
97 { | |
98 int bw_fd; /* file descriptor */ | |
99 char_u *bw_buf; /* buffer with data to be written */ | |
1411 | 100 int bw_len; /* length of data */ |
7 | 101 #ifdef HAS_BW_FLAGS |
102 int bw_flags; /* FIO_ flags */ | |
103 #endif | |
6122 | 104 #ifdef FEAT_CRYPT |
105 buf_T *bw_buffer; /* buffer being written */ | |
106 #endif | |
7 | 107 #ifdef FEAT_MBYTE |
108 char_u bw_rest[CONV_RESTLEN]; /* not converted bytes */ | |
109 int bw_restlen; /* nr of bytes in bw_rest[] */ | |
110 int bw_first; /* first write call */ | |
111 char_u *bw_conv_buf; /* buffer for writing converted chars */ | |
112 int bw_conv_buflen; /* size of bw_conv_buf */ | |
113 int bw_conv_error; /* set for conversion error */ | |
1947 | 114 linenr_T bw_conv_error_lnum; /* first line with error or zero */ |
115 linenr_T bw_start_lnum; /* line number at start of buffer */ | |
7 | 116 # ifdef USE_ICONV |
117 iconv_t bw_iconv_fd; /* descriptor for iconv() or -1 */ | |
118 # endif | |
119 #endif | |
120 }; | |
121 | |
122 static int buf_write_bytes __ARGS((struct bw_info *ip)); | |
123 | |
124 #ifdef FEAT_MBYTE | |
595 | 125 static linenr_T readfile_linenr __ARGS((linenr_T linecnt, char_u *p, char_u *endp)); |
7 | 126 static int ucs2bytes __ARGS((unsigned c, char_u **pp, int flags)); |
1948 | 127 static int need_conversion __ARGS((char_u *fenc)); |
7 | 128 static int get_fio_flags __ARGS((char_u *ptr)); |
129 static char_u *check_for_bom __ARGS((char_u *p, long size, int *lenp, int flags)); | |
130 static int make_bom __ARGS((char_u *buf, char_u *name)); | |
131 # ifdef WIN3264 | |
132 static int get_win_fio_flags __ARGS((char_u *ptr)); | |
133 # endif | |
134 # ifdef MACOS_X | |
135 static int get_mac_fio_flags __ARGS((char_u *ptr)); | |
136 # endif | |
137 #endif | |
138 static int move_lines __ARGS((buf_T *frombuf, buf_T *tobuf)); | |
2006 | 139 #ifdef TEMPDIRNAMES |
1997 | 140 static void vim_settempdir __ARGS((char_u *tempdir)); |
2006 | 141 #endif |
1834 | 142 #ifdef FEAT_AUTOCMD |
143 static char *e_auchangedbuf = N_("E812: Autocommands changed buffer or buffer name"); | |
144 #endif | |
595 | 145 |
7 | 146 void |
147 filemess(buf, name, s, attr) | |
148 buf_T *buf; | |
149 char_u *name; | |
150 char_u *s; | |
151 int attr; | |
152 { | |
153 int msg_scroll_save; | |
154 | |
155 if (msg_silent != 0) | |
156 return; | |
157 msg_add_fname(buf, name); /* put file name in IObuff with quotes */ | |
158 /* If it's extremely long, truncate it. */ | |
159 if (STRLEN(IObuff) > IOSIZE - 80) | |
160 IObuff[IOSIZE - 80] = NUL; | |
161 STRCAT(IObuff, s); | |
162 /* | |
163 * For the first message may have to start a new line. | |
164 * For further ones overwrite the previous one, reset msg_scroll before | |
165 * calling filemess(). | |
166 */ | |
167 msg_scroll_save = msg_scroll; | |
168 if (shortmess(SHM_OVERALL) && !exiting && p_verbose == 0) | |
169 msg_scroll = FALSE; | |
170 if (!msg_scroll) /* wait a bit when overwriting an error msg */ | |
171 check_for_delay(FALSE); | |
172 msg_start(); | |
173 msg_scroll = msg_scroll_save; | |
174 msg_scrolled_ign = TRUE; | |
175 /* may truncate the message to avoid a hit-return prompt */ | |
176 msg_outtrans_attr(msg_may_trunc(FALSE, IObuff), attr); | |
177 msg_clr_eos(); | |
178 out_flush(); | |
179 msg_scrolled_ign = FALSE; | |
180 } | |
181 | |
182 /* | |
183 * Read lines from file "fname" into the buffer after line "from". | |
184 * | |
185 * 1. We allocate blocks with lalloc, as big as possible. | |
186 * 2. Each block is filled with characters from the file with a single read(). | |
187 * 3. The lines are inserted in the buffer with ml_append(). | |
188 * | |
189 * (caller must check that fname != NULL, unless READ_STDIN is used) | |
190 * | |
191 * "lines_to_skip" is the number of lines that must be skipped | |
192 * "lines_to_read" is the number of lines that are appended | |
193 * When not recovering lines_to_skip is 0 and lines_to_read MAXLNUM. | |
194 * | |
195 * flags: | |
196 * READ_NEW starting to edit a new buffer | |
197 * READ_FILTER reading filter output | |
198 * READ_STDIN read from stdin instead of a file | |
199 * READ_BUFFER read from curbuf instead of a file (converting after reading | |
200 * stdin) | |
201 * READ_DUMMY read into a dummy buffer (to check if file contents changed) | |
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202 * READ_KEEP_UNDO don't clear undo info or read it from a file |
7 | 203 * |
204 * return FAIL for failure, OK otherwise | |
205 */ | |
206 int | |
207 readfile(fname, sfname, from, lines_to_skip, lines_to_read, eap, flags) | |
208 char_u *fname; | |
209 char_u *sfname; | |
210 linenr_T from; | |
211 linenr_T lines_to_skip; | |
212 linenr_T lines_to_read; | |
213 exarg_T *eap; /* can be NULL! */ | |
214 int flags; | |
215 { | |
216 int fd = 0; | |
217 int newfile = (flags & READ_NEW); | |
218 int check_readonly; | |
219 int filtering = (flags & READ_FILTER); | |
220 int read_stdin = (flags & READ_STDIN); | |
221 int read_buffer = (flags & READ_BUFFER); | |
1486 | 222 int set_options = newfile || read_buffer |
223 || (eap != NULL && eap->read_edit); | |
7 | 224 linenr_T read_buf_lnum = 1; /* next line to read from curbuf */ |
225 colnr_T read_buf_col = 0; /* next char to read from this line */ | |
226 char_u c; | |
227 linenr_T lnum = from; | |
228 char_u *ptr = NULL; /* pointer into read buffer */ | |
229 char_u *buffer = NULL; /* read buffer */ | |
230 char_u *new_buffer = NULL; /* init to shut up gcc */ | |
231 char_u *line_start = NULL; /* init to shut up gcc */ | |
232 int wasempty; /* buffer was empty before reading */ | |
233 colnr_T len; | |
234 long size = 0; | |
235 char_u *p; | |
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236 off_t filesize = 0; |
7 | 237 int skip_read = FALSE; |
238 #ifdef FEAT_CRYPT | |
239 char_u *cryptkey = NULL; | |
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240 int did_ask_for_key = FALSE; |
7 | 241 #endif |
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242 #ifdef FEAT_PERSISTENT_UNDO |
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243 context_sha256_T sha_ctx; |
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244 int read_undo_file = FALSE; |
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245 #endif |
7 | 246 int split = 0; /* number of split lines */ |
247 #define UNKNOWN 0x0fffffff /* file size is unknown */ | |
248 linenr_T linecnt; | |
249 int error = FALSE; /* errors encountered */ | |
250 int ff_error = EOL_UNKNOWN; /* file format with errors */ | |
251 long linerest = 0; /* remaining chars in line */ | |
252 #ifdef UNIX | |
253 int perm = 0; | |
254 int swap_mode = -1; /* protection bits for swap file */ | |
255 #else | |
256 int perm; | |
257 #endif | |
258 int fileformat = 0; /* end-of-line format */ | |
259 int keep_fileformat = FALSE; | |
260 struct stat st; | |
261 int file_readonly; | |
262 linenr_T skip_count = 0; | |
263 linenr_T read_count = 0; | |
264 int msg_save = msg_scroll; | |
265 linenr_T read_no_eol_lnum = 0; /* non-zero lnum when last line of | |
266 * last read was missing the eol */ | |
267 int try_mac = (vim_strchr(p_ffs, 'm') != NULL); | |
268 int try_dos = (vim_strchr(p_ffs, 'd') != NULL); | |
269 int try_unix = (vim_strchr(p_ffs, 'x') != NULL); | |
270 int file_rewind = FALSE; | |
271 #ifdef FEAT_MBYTE | |
272 int can_retry; | |
595 | 273 linenr_T conv_error = 0; /* line nr with conversion error */ |
274 linenr_T illegal_byte = 0; /* line nr with illegal byte */ | |
7 | 275 int keep_dest_enc = FALSE; /* don't retry when char doesn't fit |
276 in destination encoding */ | |
595 | 277 int bad_char_behavior = BAD_REPLACE; |
278 /* BAD_KEEP, BAD_DROP or character to | |
279 * replace with */ | |
7 | 280 char_u *tmpname = NULL; /* name of 'charconvert' output file */ |
281 int fio_flags = 0; | |
282 char_u *fenc; /* fileencoding to use */ | |
283 int fenc_alloced; /* fenc_next is in allocated memory */ | |
284 char_u *fenc_next = NULL; /* next item in 'fencs' or NULL */ | |
285 int advance_fenc = FALSE; | |
286 long real_size = 0; | |
287 # ifdef USE_ICONV | |
288 iconv_t iconv_fd = (iconv_t)-1; /* descriptor for iconv() or -1 */ | |
289 # ifdef FEAT_EVAL | |
290 int did_iconv = FALSE; /* TRUE when iconv() failed and trying | |
291 'charconvert' next */ | |
292 # endif | |
293 # endif | |
294 int converted = FALSE; /* TRUE if conversion done */ | |
295 int notconverted = FALSE; /* TRUE if conversion wanted but it | |
296 wasn't possible */ | |
297 char_u conv_rest[CONV_RESTLEN]; | |
298 int conv_restlen = 0; /* nr of bytes in conv_rest[] */ | |
299 #endif | |
1834 | 300 #ifdef FEAT_AUTOCMD |
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301 buf_T *old_curbuf; |
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302 char_u *old_b_ffname; |
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303 char_u *old_b_fname; |
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304 int using_b_ffname; |
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305 int using_b_fname; |
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306 #endif |
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307 |
2707 | 308 curbuf->b_no_eol_lnum = 0; /* in case it was set by the previous read */ |
7 | 309 |
310 /* | |
311 * If there is no file name yet, use the one for the read file. | |
312 * BF_NOTEDITED is set to reflect this. | |
313 * Don't do this for a read from a filter. | |
314 * Only do this when 'cpoptions' contains the 'f' flag. | |
315 */ | |
316 if (curbuf->b_ffname == NULL | |
317 && !filtering | |
318 && fname != NULL | |
319 && vim_strchr(p_cpo, CPO_FNAMER) != NULL | |
320 && !(flags & READ_DUMMY)) | |
321 { | |
633 | 322 if (set_rw_fname(fname, sfname) == FAIL) |
323 return FAIL; | |
7 | 324 } |
325 | |
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326 #ifdef FEAT_AUTOCMD |
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327 /* Remember the initial values of curbuf, curbuf->b_ffname and |
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328 * curbuf->b_fname to detect whether they are altered as a result of |
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329 * executing nasty autocommands. Also check if "fname" and "sfname" |
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330 * point to one of these values. */ |
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331 old_curbuf = curbuf; |
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332 old_b_ffname = curbuf->b_ffname; |
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333 old_b_fname = curbuf->b_fname; |
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334 using_b_ffname = (fname == curbuf->b_ffname) |
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335 || (sfname == curbuf->b_ffname); |
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336 using_b_fname = (fname == curbuf->b_fname) || (sfname == curbuf->b_fname); |
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337 #endif |
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338 |
167 | 339 /* After reading a file the cursor line changes but we don't want to |
340 * display the line. */ | |
341 ex_no_reprint = TRUE; | |
342 | |
968 | 343 /* don't display the file info for another buffer now */ |
344 need_fileinfo = FALSE; | |
345 | |
7 | 346 /* |
347 * For Unix: Use the short file name whenever possible. | |
348 * Avoids problems with networks and when directory names are changed. | |
349 * Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to | |
350 * another directory, which we don't detect. | |
351 */ | |
352 if (sfname == NULL) | |
353 sfname = fname; | |
354 #if defined(UNIX) || defined(__EMX__) | |
355 fname = sfname; | |
356 #endif | |
357 | |
358 #ifdef FEAT_AUTOCMD | |
359 /* | |
360 * The BufReadCmd and FileReadCmd events intercept the reading process by | |
361 * executing the associated commands instead. | |
362 */ | |
363 if (!filtering && !read_stdin && !read_buffer) | |
364 { | |
365 pos_T pos; | |
366 | |
367 pos = curbuf->b_op_start; | |
368 | |
369 /* Set '[ mark to the line above where the lines go (line 1 if zero). */ | |
370 curbuf->b_op_start.lnum = ((from == 0) ? 1 : from); | |
371 curbuf->b_op_start.col = 0; | |
372 | |
373 if (newfile) | |
374 { | |
375 if (apply_autocmds_exarg(EVENT_BUFREADCMD, NULL, sfname, | |
376 FALSE, curbuf, eap)) | |
377 #ifdef FEAT_EVAL | |
378 return aborting() ? FAIL : OK; | |
379 #else | |
380 return OK; | |
381 #endif | |
382 } | |
383 else if (apply_autocmds_exarg(EVENT_FILEREADCMD, sfname, sfname, | |
384 FALSE, NULL, eap)) | |
385 #ifdef FEAT_EVAL | |
386 return aborting() ? FAIL : OK; | |
387 #else | |
388 return OK; | |
389 #endif | |
390 | |
391 curbuf->b_op_start = pos; | |
392 } | |
393 #endif | |
394 | |
395 if ((shortmess(SHM_OVER) || curbuf->b_help) && p_verbose == 0) | |
396 msg_scroll = FALSE; /* overwrite previous file message */ | |
397 else | |
398 msg_scroll = TRUE; /* don't overwrite previous file message */ | |
399 | |
400 /* | |
401 * If the name ends in a path separator, we can't open it. Check here, | |
402 * because reading the file may actually work, but then creating the swap | |
403 * file may destroy it! Reported on MS-DOS and Win 95. | |
404 * If the name is too long we might crash further on, quit here. | |
405 */ | |
23 | 406 if (fname != NULL && *fname != NUL) |
407 { | |
39 | 408 p = fname + STRLEN(fname); |
409 if (after_pathsep(fname, p) || STRLEN(fname) >= MAXPATHL) | |
23 | 410 { |
411 filemess(curbuf, fname, (char_u *)_("Illegal file name"), 0); | |
412 msg_end(); | |
413 msg_scroll = msg_save; | |
414 return FAIL; | |
415 } | |
7 | 416 } |
417 | |
5322 | 418 if (!read_stdin && !read_buffer) |
419 { | |
7 | 420 #ifdef UNIX |
5322 | 421 /* |
422 * On Unix it is possible to read a directory, so we have to | |
423 * check for it before the mch_open(). | |
424 */ | |
7 | 425 perm = mch_getperm(fname); |
426 if (perm >= 0 && !S_ISREG(perm) /* not a regular file ... */ | |
427 # ifdef S_ISFIFO | |
428 && !S_ISFIFO(perm) /* ... or fifo */ | |
429 # endif | |
430 # ifdef S_ISSOCK | |
431 && !S_ISSOCK(perm) /* ... or socket */ | |
432 # endif | |
1313 | 433 # ifdef OPEN_CHR_FILES |
434 && !(S_ISCHR(perm) && is_dev_fd_file(fname)) | |
435 /* ... or a character special file named /dev/fd/<n> */ | |
436 # endif | |
7 | 437 ) |
438 { | |
439 if (S_ISDIR(perm)) | |
440 filemess(curbuf, fname, (char_u *)_("is a directory"), 0); | |
441 else | |
442 filemess(curbuf, fname, (char_u *)_("is not a file"), 0); | |
443 msg_end(); | |
444 msg_scroll = msg_save; | |
445 return FAIL; | |
446 } | |
5322 | 447 #endif |
448 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
1006 | 449 /* |
450 * MS-Windows allows opening a device, but we will probably get stuck | |
451 * trying to read it. | |
452 */ | |
453 if (!p_odev && mch_nodetype(fname) == NODE_WRITABLE) | |
454 { | |
1303 | 455 filemess(curbuf, fname, (char_u *)_("is a device (disabled with 'opendevice' option)"), 0); |
1006 | 456 msg_end(); |
457 msg_scroll = msg_save; | |
458 return FAIL; | |
459 } | |
5322 | 460 #endif |
461 } | |
1004 | 462 |
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463 /* Set default or forced 'fileformat' and 'binary'. */ |
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464 set_file_options(set_options, eap); |
7 | 465 |
466 /* | |
467 * When opening a new file we take the readonly flag from the file. | |
468 * Default is r/w, can be set to r/o below. | |
469 * Don't reset it when in readonly mode | |
470 * Only set/reset b_p_ro when BF_CHECK_RO is set. | |
471 */ | |
472 check_readonly = (newfile && (curbuf->b_flags & BF_CHECK_RO)); | |
164 | 473 if (check_readonly && !readonlymode) |
7 | 474 curbuf->b_p_ro = FALSE; |
475 | |
476 if (newfile && !read_stdin && !read_buffer) | |
477 { | |
2823 | 478 /* Remember time of file. */ |
7 | 479 if (mch_stat((char *)fname, &st) >= 0) |
480 { | |
481 buf_store_time(curbuf, &st, fname); | |
482 curbuf->b_mtime_read = curbuf->b_mtime; | |
483 #ifdef UNIX | |
484 /* | |
485 * Use the protection bits of the original file for the swap file. | |
486 * This makes it possible for others to read the name of the | |
487 * edited file from the swapfile, but only if they can read the | |
488 * edited file. | |
489 * Remove the "write" and "execute" bits for group and others | |
490 * (they must not write the swapfile). | |
491 * Add the "read" and "write" bits for the user, otherwise we may | |
492 * not be able to write to the file ourselves. | |
493 * Setting the bits is done below, after creating the swap file. | |
494 */ | |
495 swap_mode = (st.st_mode & 0644) | 0600; | |
496 #endif | |
497 #ifdef FEAT_CW_EDITOR | |
498 /* Get the FSSpec on MacOS | |
499 * TODO: Update it properly when the buffer name changes | |
500 */ | |
501 (void)GetFSSpecFromPath(curbuf->b_ffname, &curbuf->b_FSSpec); | |
502 #endif | |
503 #ifdef VMS | |
504 curbuf->b_fab_rfm = st.st_fab_rfm; | |
22 | 505 curbuf->b_fab_rat = st.st_fab_rat; |
506 curbuf->b_fab_mrs = st.st_fab_mrs; | |
7 | 507 #endif |
508 } | |
509 else | |
510 { | |
511 curbuf->b_mtime = 0; | |
512 curbuf->b_mtime_read = 0; | |
513 curbuf->b_orig_size = 0; | |
514 curbuf->b_orig_mode = 0; | |
515 } | |
516 | |
517 /* Reset the "new file" flag. It will be set again below when the | |
518 * file doesn't exist. */ | |
519 curbuf->b_flags &= ~(BF_NEW | BF_NEW_W); | |
520 } | |
521 | |
522 /* | |
523 * for UNIX: check readonly with perm and mch_access() | |
524 * for MSDOS and Amiga: check readonly by trying to open the file for writing | |
525 */ | |
526 file_readonly = FALSE; | |
527 if (read_stdin) | |
528 { | |
529 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
530 /* Force binary I/O on stdin to avoid CR-LF -> LF conversion. */ | |
531 setmode(0, O_BINARY); | |
532 #endif | |
533 } | |
534 else if (!read_buffer) | |
535 { | |
536 #ifdef USE_MCH_ACCESS | |
537 if ( | |
538 # ifdef UNIX | |
539 !(perm & 0222) || | |
540 # endif | |
541 mch_access((char *)fname, W_OK)) | |
542 file_readonly = TRUE; | |
543 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
544 #else | |
545 if (!newfile | |
546 || readonlymode | |
547 || (fd = mch_open((char *)fname, O_RDWR | O_EXTRA, 0)) < 0) | |
548 { | |
549 file_readonly = TRUE; | |
550 /* try to open ro */ | |
551 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
552 } | |
553 #endif | |
554 } | |
555 | |
556 if (fd < 0) /* cannot open at all */ | |
557 { | |
558 #ifndef UNIX | |
559 int isdir_f; | |
560 #endif | |
561 msg_scroll = msg_save; | |
562 #ifndef UNIX | |
563 /* | |
564 * On MSDOS and Amiga we can't open a directory, check here. | |
565 */ | |
566 isdir_f = (mch_isdir(fname)); | |
567 perm = mch_getperm(fname); /* check if the file exists */ | |
568 if (isdir_f) | |
569 { | |
570 filemess(curbuf, sfname, (char_u *)_("is a directory"), 0); | |
571 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
572 } | |
573 else | |
574 #endif | |
575 if (newfile) | |
576 { | |
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577 if (perm < 0 |
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578 #ifdef ENOENT |
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579 && errno == ENOENT |
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580 #endif |
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581 ) |
7 | 582 { |
583 /* | |
584 * Set the 'new-file' flag, so that when the file has | |
585 * been created by someone else, a ":w" will complain. | |
586 */ | |
587 curbuf->b_flags |= BF_NEW; | |
588 | |
589 /* Create a swap file now, so that other Vims are warned | |
590 * that we are editing this file. Don't do this for a | |
591 * "nofile" or "nowrite" buffer type. */ | |
592 #ifdef FEAT_QUICKFIX | |
593 if (!bt_dontwrite(curbuf)) | |
594 #endif | |
1834 | 595 { |
7 | 596 check_need_swap(newfile); |
1834 | 597 #ifdef FEAT_AUTOCMD |
598 /* SwapExists autocommand may mess things up */ | |
599 if (curbuf != old_curbuf | |
600 || (using_b_ffname | |
601 && (old_b_ffname != curbuf->b_ffname)) | |
602 || (using_b_fname | |
603 && (old_b_fname != curbuf->b_fname))) | |
604 { | |
605 EMSG(_(e_auchangedbuf)); | |
606 return FAIL; | |
607 } | |
608 #endif | |
609 } | |
592 | 610 if (dir_of_file_exists(fname)) |
611 filemess(curbuf, sfname, (char_u *)_("[New File]"), 0); | |
612 else | |
613 filemess(curbuf, sfname, | |
614 (char_u *)_("[New DIRECTORY]"), 0); | |
7 | 615 #ifdef FEAT_VIMINFO |
616 /* Even though this is a new file, it might have been | |
617 * edited before and deleted. Get the old marks. */ | |
618 check_marks_read(); | |
619 #endif | |
620 #ifdef FEAT_MBYTE | |
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621 /* Set forced 'fileencoding'. */ |
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622 if (eap != NULL) |
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623 set_forced_fenc(eap); |
7 | 624 #endif |
625 #ifdef FEAT_AUTOCMD | |
626 apply_autocmds_exarg(EVENT_BUFNEWFILE, sfname, sfname, | |
627 FALSE, curbuf, eap); | |
628 #endif | |
629 /* remember the current fileformat */ | |
630 save_file_ff(curbuf); | |
631 | |
632 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) | |
633 if (aborting()) /* autocmds may abort script processing */ | |
634 return FAIL; | |
635 #endif | |
636 return OK; /* a new file is not an error */ | |
637 } | |
638 else | |
639 { | |
550 | 640 filemess(curbuf, sfname, (char_u *)( |
641 # ifdef EFBIG | |
642 (errno == EFBIG) ? _("[File too big]") : | |
643 # endif | |
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644 # ifdef EOVERFLOW |
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645 (errno == EOVERFLOW) ? _("[File too big]") : |
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646 # endif |
550 | 647 _("[Permission Denied]")), 0); |
7 | 648 curbuf->b_p_ro = TRUE; /* must use "w!" now */ |
649 } | |
650 } | |
651 | |
652 return FAIL; | |
653 } | |
654 | |
655 /* | |
656 * Only set the 'ro' flag for readonly files the first time they are | |
657 * loaded. Help files always get readonly mode | |
658 */ | |
659 if ((check_readonly && file_readonly) || curbuf->b_help) | |
660 curbuf->b_p_ro = TRUE; | |
661 | |
819 | 662 if (set_options) |
7 | 663 { |
1486 | 664 /* Don't change 'eol' if reading from buffer as it will already be |
665 * correctly set when reading stdin. */ | |
666 if (!read_buffer) | |
667 { | |
668 curbuf->b_p_eol = TRUE; | |
669 curbuf->b_start_eol = TRUE; | |
670 } | |
7 | 671 #ifdef FEAT_MBYTE |
672 curbuf->b_p_bomb = FALSE; | |
1352 | 673 curbuf->b_start_bomb = FALSE; |
7 | 674 #endif |
675 } | |
676 | |
677 /* Create a swap file now, so that other Vims are warned that we are | |
678 * editing this file. | |
679 * Don't do this for a "nofile" or "nowrite" buffer type. */ | |
680 #ifdef FEAT_QUICKFIX | |
681 if (!bt_dontwrite(curbuf)) | |
682 #endif | |
683 { | |
684 check_need_swap(newfile); | |
1834 | 685 #ifdef FEAT_AUTOCMD |
686 if (!read_stdin && (curbuf != old_curbuf | |
687 || (using_b_ffname && (old_b_ffname != curbuf->b_ffname)) | |
688 || (using_b_fname && (old_b_fname != curbuf->b_fname)))) | |
689 { | |
690 EMSG(_(e_auchangedbuf)); | |
691 if (!read_buffer) | |
692 close(fd); | |
693 return FAIL; | |
694 } | |
695 #endif | |
7 | 696 #ifdef UNIX |
697 /* Set swap file protection bits after creating it. */ | |
1918 | 698 if (swap_mode > 0 && curbuf->b_ml.ml_mfp != NULL |
699 && curbuf->b_ml.ml_mfp->mf_fname != NULL) | |
7 | 700 (void)mch_setperm(curbuf->b_ml.ml_mfp->mf_fname, (long)swap_mode); |
701 #endif | |
702 } | |
703 | |
578 | 704 #if defined(HAS_SWAP_EXISTS_ACTION) |
7 | 705 /* If "Quit" selected at ATTENTION dialog, don't load the file */ |
706 if (swap_exists_action == SEA_QUIT) | |
707 { | |
708 if (!read_buffer && !read_stdin) | |
709 close(fd); | |
710 return FAIL; | |
711 } | |
712 #endif | |
713 | |
714 ++no_wait_return; /* don't wait for return yet */ | |
715 | |
716 /* | |
717 * Set '[ mark to the line above where the lines go (line 1 if zero). | |
718 */ | |
719 curbuf->b_op_start.lnum = ((from == 0) ? 1 : from); | |
720 curbuf->b_op_start.col = 0; | |
721 | |
722 #ifdef FEAT_AUTOCMD | |
723 if (!read_buffer) | |
724 { | |
725 int m = msg_scroll; | |
726 int n = msg_scrolled; | |
727 | |
728 /* | |
729 * The file must be closed again, the autocommands may want to change | |
730 * the file before reading it. | |
731 */ | |
732 if (!read_stdin) | |
733 close(fd); /* ignore errors */ | |
734 | |
735 /* | |
736 * The output from the autocommands should not overwrite anything and | |
737 * should not be overwritten: Set msg_scroll, restore its value if no | |
738 * output was done. | |
739 */ | |
740 msg_scroll = TRUE; | |
741 if (filtering) | |
742 apply_autocmds_exarg(EVENT_FILTERREADPRE, NULL, sfname, | |
743 FALSE, curbuf, eap); | |
744 else if (read_stdin) | |
745 apply_autocmds_exarg(EVENT_STDINREADPRE, NULL, sfname, | |
746 FALSE, curbuf, eap); | |
747 else if (newfile) | |
748 apply_autocmds_exarg(EVENT_BUFREADPRE, NULL, sfname, | |
749 FALSE, curbuf, eap); | |
750 else | |
751 apply_autocmds_exarg(EVENT_FILEREADPRE, sfname, sfname, | |
752 FALSE, NULL, eap); | |
753 if (msg_scrolled == n) | |
754 msg_scroll = m; | |
755 | |
756 #ifdef FEAT_EVAL | |
757 if (aborting()) /* autocmds may abort script processing */ | |
758 { | |
759 --no_wait_return; | |
760 msg_scroll = msg_save; | |
761 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
762 return FAIL; | |
763 } | |
764 #endif | |
765 /* | |
766 * Don't allow the autocommands to change the current buffer. | |
767 * Try to re-open the file. | |
1834 | 768 * |
769 * Don't allow the autocommands to change the buffer name either | |
770 * (cd for example) if it invalidates fname or sfname. | |
7 | 771 */ |
772 if (!read_stdin && (curbuf != old_curbuf | |
1834 | 773 || (using_b_ffname && (old_b_ffname != curbuf->b_ffname)) |
774 || (using_b_fname && (old_b_fname != curbuf->b_fname)) | |
7 | 775 || (fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0)) < 0)) |
776 { | |
777 --no_wait_return; | |
778 msg_scroll = msg_save; | |
779 if (fd < 0) | |
780 EMSG(_("E200: *ReadPre autocommands made the file unreadable")); | |
781 else | |
782 EMSG(_("E201: *ReadPre autocommands must not change current buffer")); | |
783 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
784 return FAIL; | |
785 } | |
786 } | |
787 #endif /* FEAT_AUTOCMD */ | |
788 | |
789 /* Autocommands may add lines to the file, need to check if it is empty */ | |
790 wasempty = (curbuf->b_ml.ml_flags & ML_EMPTY); | |
791 | |
792 if (!recoverymode && !filtering && !(flags & READ_DUMMY)) | |
793 { | |
794 /* | |
795 * Show the user that we are busy reading the input. Sometimes this | |
796 * may take a while. When reading from stdin another program may | |
797 * still be running, don't move the cursor to the last line, unless | |
798 * always using the GUI. | |
799 */ | |
800 if (read_stdin) | |
801 { | |
802 #ifndef ALWAYS_USE_GUI | |
803 mch_msg(_("Vim: Reading from stdin...\n")); | |
804 #endif | |
805 #ifdef FEAT_GUI | |
806 /* Also write a message in the GUI window, if there is one. */ | |
807 if (gui.in_use && !gui.dying && !gui.starting) | |
808 { | |
809 p = (char_u *)_("Reading from stdin..."); | |
810 gui_write(p, (int)STRLEN(p)); | |
811 } | |
812 #endif | |
813 } | |
814 else if (!read_buffer) | |
815 filemess(curbuf, sfname, (char_u *)"", 0); | |
816 } | |
817 | |
818 msg_scroll = FALSE; /* overwrite the file message */ | |
819 | |
820 /* | |
821 * Set linecnt now, before the "retry" caused by a wrong guess for | |
822 * fileformat, and after the autocommands, which may change them. | |
823 */ | |
824 linecnt = curbuf->b_ml.ml_line_count; | |
825 | |
826 #ifdef FEAT_MBYTE | |
595 | 827 /* "++bad=" argument. */ |
828 if (eap != NULL && eap->bad_char != 0) | |
612 | 829 { |
595 | 830 bad_char_behavior = eap->bad_char; |
819 | 831 if (set_options) |
612 | 832 curbuf->b_bad_char = eap->bad_char; |
833 } | |
834 else | |
835 curbuf->b_bad_char = 0; | |
595 | 836 |
7 | 837 /* |
595 | 838 * Decide which 'encoding' to use or use first. |
7 | 839 */ |
840 if (eap != NULL && eap->force_enc != 0) | |
841 { | |
842 fenc = enc_canonize(eap->cmd + eap->force_enc); | |
843 fenc_alloced = TRUE; | |
595 | 844 keep_dest_enc = TRUE; |
7 | 845 } |
846 else if (curbuf->b_p_bin) | |
847 { | |
848 fenc = (char_u *)""; /* binary: don't convert */ | |
849 fenc_alloced = FALSE; | |
850 } | |
851 else if (curbuf->b_help) | |
852 { | |
853 char_u firstline[80]; | |
301 | 854 int fc; |
7 | 855 |
856 /* Help files are either utf-8 or latin1. Try utf-8 first, if this | |
857 * fails it must be latin1. | |
858 * Always do this when 'encoding' is "utf-8". Otherwise only do | |
859 * this when needed to avoid [converted] remarks all the time. | |
860 * It is needed when the first line contains non-ASCII characters. | |
861 * That is only in *.??x files. */ | |
862 fenc = (char_u *)"latin1"; | |
863 c = enc_utf8; | |
301 | 864 if (!c && !read_stdin) |
865 { | |
866 fc = fname[STRLEN(fname) - 1]; | |
867 if (TOLOWER_ASC(fc) == 'x') | |
868 { | |
869 /* Read the first line (and a bit more). Immediately rewind to | |
870 * the start of the file. If the read() fails "len" is -1. */ | |
2664 | 871 len = read_eintr(fd, firstline, 80); |
301 | 872 lseek(fd, (off_t)0L, SEEK_SET); |
873 for (p = firstline; p < firstline + len; ++p) | |
874 if (*p >= 0x80) | |
875 { | |
876 c = TRUE; | |
877 break; | |
878 } | |
879 } | |
7 | 880 } |
881 | |
882 if (c) | |
883 { | |
884 fenc_next = fenc; | |
885 fenc = (char_u *)"utf-8"; | |
886 | |
887 /* When the file is utf-8 but a character doesn't fit in | |
888 * 'encoding' don't retry. In help text editing utf-8 bytes | |
889 * doesn't make sense. */ | |
844 | 890 if (!enc_utf8) |
891 keep_dest_enc = TRUE; | |
7 | 892 } |
893 fenc_alloced = FALSE; | |
894 } | |
895 else if (*p_fencs == NUL) | |
896 { | |
897 fenc = curbuf->b_p_fenc; /* use format from buffer */ | |
898 fenc_alloced = FALSE; | |
899 } | |
900 else | |
901 { | |
902 fenc_next = p_fencs; /* try items in 'fileencodings' */ | |
903 fenc = next_fenc(&fenc_next); | |
904 fenc_alloced = TRUE; | |
905 } | |
906 #endif | |
907 | |
908 /* | |
909 * Jump back here to retry reading the file in different ways. | |
910 * Reasons to retry: | |
911 * - encoding conversion failed: try another one from "fenc_next" | |
912 * - BOM detected and fenc was set, need to setup conversion | |
913 * - "fileformat" check failed: try another | |
914 * | |
915 * Variables set for special retry actions: | |
916 * "file_rewind" Rewind the file to start reading it again. | |
917 * "advance_fenc" Advance "fenc" using "fenc_next". | |
918 * "skip_read" Re-use already read bytes (BOM detected). | |
919 * "did_iconv" iconv() conversion failed, try 'charconvert'. | |
920 * "keep_fileformat" Don't reset "fileformat". | |
921 * | |
922 * Other status indicators: | |
923 * "tmpname" When != NULL did conversion with 'charconvert'. | |
924 * Output file has to be deleted afterwards. | |
925 * "iconv_fd" When != -1 did conversion with iconv(). | |
926 */ | |
927 retry: | |
928 | |
929 if (file_rewind) | |
930 { | |
931 if (read_buffer) | |
932 { | |
933 read_buf_lnum = 1; | |
934 read_buf_col = 0; | |
935 } | |
936 else if (read_stdin || lseek(fd, (off_t)0L, SEEK_SET) != 0) | |
937 { | |
938 /* Can't rewind the file, give up. */ | |
939 error = TRUE; | |
940 goto failed; | |
941 } | |
942 /* Delete the previously read lines. */ | |
943 while (lnum > from) | |
944 ml_delete(lnum--, FALSE); | |
945 file_rewind = FALSE; | |
946 #ifdef FEAT_MBYTE | |
819 | 947 if (set_options) |
1352 | 948 { |
7 | 949 curbuf->b_p_bomb = FALSE; |
1352 | 950 curbuf->b_start_bomb = FALSE; |
951 } | |
595 | 952 conv_error = 0; |
7 | 953 #endif |
954 } | |
955 | |
956 /* | |
957 * When retrying with another "fenc" and the first time "fileformat" | |
958 * will be reset. | |
959 */ | |
960 if (keep_fileformat) | |
961 keep_fileformat = FALSE; | |
962 else | |
963 { | |
964 if (eap != NULL && eap->force_ff != 0) | |
1742 | 965 { |
7 | 966 fileformat = get_fileformat_force(curbuf, eap); |
1742 | 967 try_unix = try_dos = try_mac = FALSE; |
968 } | |
7 | 969 else if (curbuf->b_p_bin) |
970 fileformat = EOL_UNIX; /* binary: use Unix format */ | |
971 else if (*p_ffs == NUL) | |
972 fileformat = get_fileformat(curbuf);/* use format from buffer */ | |
973 else | |
974 fileformat = EOL_UNKNOWN; /* detect from file */ | |
975 } | |
976 | |
977 #ifdef FEAT_MBYTE | |
978 # ifdef USE_ICONV | |
979 if (iconv_fd != (iconv_t)-1) | |
980 { | |
981 /* aborted conversion with iconv(), close the descriptor */ | |
982 iconv_close(iconv_fd); | |
983 iconv_fd = (iconv_t)-1; | |
984 } | |
985 # endif | |
986 | |
987 if (advance_fenc) | |
988 { | |
989 /* | |
990 * Try the next entry in 'fileencodings'. | |
991 */ | |
992 advance_fenc = FALSE; | |
993 | |
994 if (eap != NULL && eap->force_enc != 0) | |
995 { | |
996 /* Conversion given with "++cc=" wasn't possible, read | |
997 * without conversion. */ | |
998 notconverted = TRUE; | |
595 | 999 conv_error = 0; |
7 | 1000 if (fenc_alloced) |
1001 vim_free(fenc); | |
1002 fenc = (char_u *)""; | |
1003 fenc_alloced = FALSE; | |
1004 } | |
1005 else | |
1006 { | |
1007 if (fenc_alloced) | |
1008 vim_free(fenc); | |
1009 if (fenc_next != NULL) | |
1010 { | |
1011 fenc = next_fenc(&fenc_next); | |
1012 fenc_alloced = (fenc_next != NULL); | |
1013 } | |
1014 else | |
1015 { | |
1016 fenc = (char_u *)""; | |
1017 fenc_alloced = FALSE; | |
1018 } | |
1019 } | |
1020 if (tmpname != NULL) | |
1021 { | |
1022 mch_remove(tmpname); /* delete converted file */ | |
1023 vim_free(tmpname); | |
1024 tmpname = NULL; | |
1025 } | |
1026 } | |
1027 | |
1028 /* | |
1948 | 1029 * Conversion may be required when the encoding of the file is different |
1030 * from 'encoding' or 'encoding' is UTF-16, UCS-2 or UCS-4. | |
7 | 1031 */ |
1032 fio_flags = 0; | |
1948 | 1033 converted = need_conversion(fenc); |
1034 if (converted) | |
7 | 1035 { |
1036 | |
1037 /* "ucs-bom" means we need to check the first bytes of the file | |
1038 * for a BOM. */ | |
1039 if (STRCMP(fenc, ENC_UCSBOM) == 0) | |
1040 fio_flags = FIO_UCSBOM; | |
1041 | |
1042 /* | |
1043 * Check if UCS-2/4 or Latin1 to UTF-8 conversion needs to be | |
1044 * done. This is handled below after read(). Prepare the | |
1045 * fio_flags to avoid having to parse the string each time. | |
1046 * Also check for Unicode to Latin1 conversion, because iconv() | |
1047 * appears not to handle this correctly. This works just like | |
1048 * conversion to UTF-8 except how the resulting character is put in | |
1049 * the buffer. | |
1050 */ | |
1051 else if (enc_utf8 || STRCMP(p_enc, "latin1") == 0) | |
1052 fio_flags = get_fio_flags(fenc); | |
1053 | |
1054 # ifdef WIN3264 | |
1055 /* | |
1056 * Conversion from an MS-Windows codepage to UTF-8 or another codepage | |
1057 * is handled with MultiByteToWideChar(). | |
1058 */ | |
1059 if (fio_flags == 0) | |
1060 fio_flags = get_win_fio_flags(fenc); | |
1061 # endif | |
1062 | |
1063 # ifdef MACOS_X | |
1064 /* Conversion from Apple MacRoman to latin1 or UTF-8 */ | |
1065 if (fio_flags == 0) | |
1066 fio_flags = get_mac_fio_flags(fenc); | |
1067 # endif | |
1068 | |
1069 # ifdef USE_ICONV | |
1070 /* | |
1071 * Try using iconv() if we can't convert internally. | |
1072 */ | |
1073 if (fio_flags == 0 | |
1074 # ifdef FEAT_EVAL | |
1075 && !did_iconv | |
1076 # endif | |
1077 ) | |
1078 iconv_fd = (iconv_t)my_iconv_open( | |
1079 enc_utf8 ? (char_u *)"utf-8" : p_enc, fenc); | |
1080 # endif | |
1081 | |
1082 # ifdef FEAT_EVAL | |
1083 /* | |
1084 * Use the 'charconvert' expression when conversion is required | |
1085 * and we can't do it internally or with iconv(). | |
1086 */ | |
1087 if (fio_flags == 0 && !read_stdin && !read_buffer && *p_ccv != NUL | |
1088 # ifdef USE_ICONV | |
1089 && iconv_fd == (iconv_t)-1 | |
1090 # endif | |
1091 ) | |
1092 { | |
1093 # ifdef USE_ICONV | |
1094 did_iconv = FALSE; | |
1095 # endif | |
1096 /* Skip conversion when it's already done (retry for wrong | |
1097 * "fileformat"). */ | |
1098 if (tmpname == NULL) | |
1099 { | |
1100 tmpname = readfile_charconvert(fname, fenc, &fd); | |
1101 if (tmpname == NULL) | |
1102 { | |
1103 /* Conversion failed. Try another one. */ | |
1104 advance_fenc = TRUE; | |
1105 if (fd < 0) | |
1106 { | |
1107 /* Re-opening the original file failed! */ | |
1108 EMSG(_("E202: Conversion made file unreadable!")); | |
1109 error = TRUE; | |
1110 goto failed; | |
1111 } | |
1112 goto retry; | |
1113 } | |
1114 } | |
1115 } | |
1116 else | |
1117 # endif | |
1118 { | |
1119 if (fio_flags == 0 | |
1120 # ifdef USE_ICONV | |
1121 && iconv_fd == (iconv_t)-1 | |
1122 # endif | |
1123 ) | |
1124 { | |
1125 /* Conversion wanted but we can't. | |
1126 * Try the next conversion in 'fileencodings' */ | |
1127 advance_fenc = TRUE; | |
1128 goto retry; | |
1129 } | |
1130 } | |
1131 } | |
1132 | |
595 | 1133 /* Set "can_retry" when it's possible to rewind the file and try with |
7 | 1134 * another "fenc" value. It's FALSE when no other "fenc" to try, reading |
595 | 1135 * stdin or fixed at a specific encoding. */ |
1136 can_retry = (*fenc != NUL && !read_stdin && !keep_dest_enc); | |
7 | 1137 #endif |
1138 | |
1139 if (!skip_read) | |
1140 { | |
1141 linerest = 0; | |
1142 filesize = 0; | |
1143 skip_count = lines_to_skip; | |
1144 read_count = lines_to_read; | |
1145 #ifdef FEAT_MBYTE | |
1146 conv_restlen = 0; | |
1147 #endif | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1148 #ifdef FEAT_PERSISTENT_UNDO |
2394
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
1149 read_undo_file = (newfile && (flags & READ_KEEP_UNDO) == 0 |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
1150 && curbuf->b_ffname != NULL |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
1151 && curbuf->b_p_udf |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
1152 && !filtering |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
1153 && !read_stdin |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
1154 && !read_buffer); |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1155 if (read_undo_file) |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1156 sha256_start(&sha_ctx); |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1157 #endif |
6122 | 1158 #ifdef FEAT_CRYPT |
1159 if (curbuf->b_cryptstate != NULL) | |
1160 { | |
1161 /* Need to free the state, but keep the key, don't want to ask for | |
1162 * it again. */ | |
1163 crypt_free_state(curbuf->b_cryptstate); | |
1164 curbuf->b_cryptstate = NULL; | |
1165 } | |
1166 #endif | |
7 | 1167 } |
1168 | |
1169 while (!error && !got_int) | |
1170 { | |
1171 /* | |
1172 * We allocate as much space for the file as we can get, plus | |
1173 * space for the old line plus room for one terminating NUL. | |
1174 * The amount is limited by the fact that read() only can read | |
1175 * upto max_unsigned characters (and other things). | |
1176 */ | |
5684 | 1177 #if VIM_SIZEOF_INT <= 2 |
7 | 1178 if (linerest >= 0x7ff0) |
1179 { | |
1180 ++split; | |
1181 *ptr = NL; /* split line by inserting a NL */ | |
1182 size = 1; | |
1183 } | |
1184 else | |
1185 #endif | |
1186 { | |
1187 if (!skip_read) | |
1188 { | |
5684 | 1189 #if VIM_SIZEOF_INT > 2 |
1076 | 1190 # if defined(SSIZE_MAX) && (SSIZE_MAX < 0x10000L) |
7 | 1191 size = SSIZE_MAX; /* use max I/O size, 52K */ |
1192 # else | |
1193 size = 0x10000L; /* use buffer >= 64K */ | |
1194 # endif | |
1195 #else | |
1196 size = 0x7ff0L - linerest; /* limit buffer to 32K */ | |
1197 #endif | |
1198 | |
836 | 1199 for ( ; size >= 10; size = (long)((long_u)size >> 1)) |
7 | 1200 { |
1201 if ((new_buffer = lalloc((long_u)(size + linerest + 1), | |
1202 FALSE)) != NULL) | |
1203 break; | |
1204 } | |
1205 if (new_buffer == NULL) | |
1206 { | |
1207 do_outofmem_msg((long_u)(size * 2 + linerest + 1)); | |
1208 error = TRUE; | |
1209 break; | |
1210 } | |
1211 if (linerest) /* copy characters from the previous buffer */ | |
1212 mch_memmove(new_buffer, ptr - linerest, (size_t)linerest); | |
1213 vim_free(buffer); | |
1214 buffer = new_buffer; | |
1215 ptr = buffer + linerest; | |
1216 line_start = buffer; | |
1217 | |
1218 #ifdef FEAT_MBYTE | |
1219 /* May need room to translate into. | |
1220 * For iconv() we don't really know the required space, use a | |
1221 * factor ICONV_MULT. | |
1222 * latin1 to utf-8: 1 byte becomes up to 2 bytes | |
1223 * utf-16 to utf-8: 2 bytes become up to 3 bytes, 4 bytes | |
1224 * become up to 4 bytes, size must be multiple of 2 | |
1225 * ucs-2 to utf-8: 2 bytes become up to 3 bytes, size must be | |
1226 * multiple of 2 | |
1227 * ucs-4 to utf-8: 4 bytes become up to 6 bytes, size must be | |
1228 * multiple of 4 */ | |
835 | 1229 real_size = (int)size; |
7 | 1230 # ifdef USE_ICONV |
1231 if (iconv_fd != (iconv_t)-1) | |
1232 size = size / ICONV_MULT; | |
1233 else | |
1234 # endif | |
1235 if (fio_flags & FIO_LATIN1) | |
1236 size = size / 2; | |
1237 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
1238 size = (size * 2 / 3) & ~1; | |
1239 else if (fio_flags & FIO_UCS4) | |
1240 size = (size * 2 / 3) & ~3; | |
1241 else if (fio_flags == FIO_UCSBOM) | |
1242 size = size / ICONV_MULT; /* worst case */ | |
1243 # ifdef WIN3264 | |
1244 else if (fio_flags & FIO_CODEPAGE) | |
1245 size = size / ICONV_MULT; /* also worst case */ | |
1246 # endif | |
1247 # ifdef MACOS_X | |
1248 else if (fio_flags & FIO_MACROMAN) | |
1249 size = size / ICONV_MULT; /* also worst case */ | |
1250 # endif | |
1251 #endif | |
1252 | |
1253 #ifdef FEAT_MBYTE | |
1254 if (conv_restlen > 0) | |
1255 { | |
1256 /* Insert unconverted bytes from previous line. */ | |
1257 mch_memmove(ptr, conv_rest, conv_restlen); | |
1258 ptr += conv_restlen; | |
1259 size -= conv_restlen; | |
1260 } | |
1261 #endif | |
1262 | |
1263 if (read_buffer) | |
1264 { | |
1265 /* | |
1266 * Read bytes from curbuf. Used for converting text read | |
1267 * from stdin. | |
1268 */ | |
1269 if (read_buf_lnum > from) | |
1270 size = 0; | |
1271 else | |
1272 { | |
1273 int n, ni; | |
1274 long tlen; | |
1275 | |
1276 tlen = 0; | |
1277 for (;;) | |
1278 { | |
1279 p = ml_get(read_buf_lnum) + read_buf_col; | |
1280 n = (int)STRLEN(p); | |
1281 if ((int)tlen + n + 1 > size) | |
1282 { | |
1283 /* Filled up to "size", append partial line. | |
1284 * Change NL to NUL to reverse the effect done | |
1285 * below. */ | |
835 | 1286 n = (int)(size - tlen); |
7 | 1287 for (ni = 0; ni < n; ++ni) |
1288 { | |
1289 if (p[ni] == NL) | |
1290 ptr[tlen++] = NUL; | |
1291 else | |
1292 ptr[tlen++] = p[ni]; | |
1293 } | |
1294 read_buf_col += n; | |
1295 break; | |
1296 } | |
1297 else | |
1298 { | |
1299 /* Append whole line and new-line. Change NL | |
1300 * to NUL to reverse the effect done below. */ | |
1301 for (ni = 0; ni < n; ++ni) | |
1302 { | |
1303 if (p[ni] == NL) | |
1304 ptr[tlen++] = NUL; | |
1305 else | |
1306 ptr[tlen++] = p[ni]; | |
1307 } | |
1308 ptr[tlen++] = NL; | |
1309 read_buf_col = 0; | |
1310 if (++read_buf_lnum > from) | |
1311 { | |
1312 /* When the last line didn't have an | |
1313 * end-of-line don't add it now either. */ | |
1314 if (!curbuf->b_p_eol) | |
1315 --tlen; | |
1316 size = tlen; | |
1317 break; | |
1318 } | |
1319 } | |
1320 } | |
1321 } | |
1322 } | |
1323 else | |
1324 { | |
1325 /* | |
1326 * Read bytes from the file. | |
1327 */ | |
2664 | 1328 size = read_eintr(fd, ptr, size); |
7 | 1329 } |
1330 | |
6122 | 1331 #ifdef FEAT_CRYPT |
1332 /* | |
1333 * At start of file: Check for magic number of encryption. | |
1334 */ | |
1335 if (filesize == 0 && size > 0) | |
1336 cryptkey = check_for_cryptkey(cryptkey, ptr, &size, | |
1337 &filesize, newfile, sfname, | |
1338 &did_ask_for_key); | |
1339 /* | |
1340 * Decrypt the read bytes. This is done before checking for | |
1341 * EOF because the crypt layer may be buffering. | |
1342 */ | |
1343 if (cryptkey != NULL && size > 0) | |
1344 { | |
1345 if (crypt_works_inplace(curbuf->b_cryptstate)) | |
1346 { | |
1347 crypt_decode_inplace(curbuf->b_cryptstate, ptr, size); | |
1348 } | |
1349 else | |
1350 { | |
1351 char_u *newptr = NULL; | |
1352 int decrypted_size; | |
1353 | |
1354 decrypted_size = crypt_decode_alloc( | |
1355 curbuf->b_cryptstate, ptr, size, &newptr); | |
1356 | |
1357 /* If the crypt layer is buffering, not producing | |
1358 * anything yet, need to read more. */ | |
1359 if (size > 0 && decrypted_size == 0) | |
1360 continue; | |
1361 | |
1362 if (linerest == 0) | |
1363 { | |
1364 /* Simple case: reuse returned buffer (may be | |
1365 * NULL, checked later). */ | |
1366 new_buffer = newptr; | |
1367 } | |
1368 else | |
1369 { | |
1370 long_u new_size; | |
1371 | |
1372 /* Need new buffer to add bytes carried over. */ | |
1373 new_size = (long_u)(decrypted_size + linerest + 1); | |
1374 new_buffer = lalloc(new_size, FALSE); | |
1375 if (new_buffer == NULL) | |
1376 { | |
1377 do_outofmem_msg(new_size); | |
1378 error = TRUE; | |
1379 break; | |
1380 } | |
1381 | |
1382 mch_memmove(new_buffer, buffer, linerest); | |
1383 if (newptr != NULL) | |
1384 mch_memmove(new_buffer + linerest, newptr, | |
1385 decrypted_size); | |
1386 } | |
1387 | |
1388 if (new_buffer != NULL) | |
1389 { | |
1390 vim_free(buffer); | |
1391 buffer = new_buffer; | |
1392 new_buffer = NULL; | |
1393 line_start = buffer; | |
1394 ptr = buffer + linerest; | |
1395 } | |
1396 size = decrypted_size; | |
1397 } | |
1398 } | |
1399 #endif | |
1400 | |
7 | 1401 if (size <= 0) |
1402 { | |
1403 if (size < 0) /* read error */ | |
1404 error = TRUE; | |
1405 #ifdef FEAT_MBYTE | |
1406 else if (conv_restlen > 0) | |
595 | 1407 { |
1597 | 1408 /* |
1409 * Reached end-of-file but some trailing bytes could | |
1410 * not be converted. Truncated file? | |
1411 */ | |
1412 | |
1413 /* When we did a conversion report an error. */ | |
1414 if (fio_flags != 0 | |
1415 # ifdef USE_ICONV | |
1416 || iconv_fd != (iconv_t)-1 | |
1417 # endif | |
1418 ) | |
1419 { | |
4331 | 1420 if (can_retry) |
1421 goto rewind_retry; | |
1597 | 1422 if (conv_error == 0) |
1423 conv_error = curbuf->b_ml.ml_line_count | |
1424 - linecnt + 1; | |
1425 } | |
1426 /* Remember the first linenr with an illegal byte */ | |
1427 else if (illegal_byte == 0) | |
1428 illegal_byte = curbuf->b_ml.ml_line_count | |
1429 - linecnt + 1; | |
1430 if (bad_char_behavior == BAD_DROP) | |
595 | 1431 { |
1597 | 1432 *(ptr - conv_restlen) = NUL; |
1433 conv_restlen = 0; | |
1434 } | |
1435 else | |
1436 { | |
1437 /* Replace the trailing bytes with the replacement | |
1438 * character if we were converting; if we weren't, | |
1439 * leave the UTF8 checking code to do it, as it | |
1440 * works slightly differently. */ | |
1441 if (bad_char_behavior != BAD_KEEP && (fio_flags != 0 | |
1442 # ifdef USE_ICONV | |
1443 || iconv_fd != (iconv_t)-1 | |
1444 # endif | |
1445 )) | |
1446 { | |
1447 while (conv_restlen > 0) | |
1448 { | |
1449 *(--ptr) = bad_char_behavior; | |
1450 --conv_restlen; | |
1451 } | |
1452 } | |
595 | 1453 fio_flags = 0; /* don't convert this */ |
834 | 1454 # ifdef USE_ICONV |
1455 if (iconv_fd != (iconv_t)-1) | |
1456 { | |
1457 iconv_close(iconv_fd); | |
1458 iconv_fd = (iconv_t)-1; | |
1459 } | |
1460 # endif | |
595 | 1461 } |
1462 } | |
7 | 1463 #endif |
1464 } | |
1465 } | |
1466 skip_read = FALSE; | |
1467 | |
1468 #ifdef FEAT_MBYTE | |
1469 /* | |
1470 * At start of file (or after crypt magic number): Check for BOM. | |
1471 * Also check for a BOM for other Unicode encodings, but not after | |
1472 * converting with 'charconvert' or when a BOM has already been | |
1473 * found. | |
1474 */ | |
1475 if ((filesize == 0 | |
1476 # ifdef FEAT_CRYPT | |
6122 | 1477 || (cryptkey != NULL |
1478 && filesize == crypt_get_header_len( | |
1479 crypt_get_method_nr(curbuf))) | |
7 | 1480 # endif |
1481 ) | |
1482 && (fio_flags == FIO_UCSBOM | |
1483 || (!curbuf->b_p_bomb | |
1484 && tmpname == NULL | |
1485 && (*fenc == 'u' || (*fenc == NUL && enc_utf8))))) | |
1486 { | |
1487 char_u *ccname; | |
1488 int blen; | |
1489 | |
1490 /* no BOM detection in a short file or in binary mode */ | |
1491 if (size < 2 || curbuf->b_p_bin) | |
1492 ccname = NULL; | |
1493 else | |
1494 ccname = check_for_bom(ptr, size, &blen, | |
1495 fio_flags == FIO_UCSBOM ? FIO_ALL : get_fio_flags(fenc)); | |
1496 if (ccname != NULL) | |
1497 { | |
1498 /* Remove BOM from the text */ | |
1499 filesize += blen; | |
1500 size -= blen; | |
1501 mch_memmove(ptr, ptr + blen, (size_t)size); | |
819 | 1502 if (set_options) |
1352 | 1503 { |
7 | 1504 curbuf->b_p_bomb = TRUE; |
1352 | 1505 curbuf->b_start_bomb = TRUE; |
1506 } | |
7 | 1507 } |
1508 | |
1509 if (fio_flags == FIO_UCSBOM) | |
1510 { | |
1511 if (ccname == NULL) | |
1512 { | |
1513 /* No BOM detected: retry with next encoding. */ | |
1514 advance_fenc = TRUE; | |
1515 } | |
1516 else | |
1517 { | |
1518 /* BOM detected: set "fenc" and jump back */ | |
1519 if (fenc_alloced) | |
1520 vim_free(fenc); | |
1521 fenc = ccname; | |
1522 fenc_alloced = FALSE; | |
1523 } | |
1524 /* retry reading without getting new bytes or rewinding */ | |
1525 skip_read = TRUE; | |
1526 goto retry; | |
1527 } | |
1528 } | |
1597 | 1529 |
1530 /* Include not converted bytes. */ | |
1531 ptr -= conv_restlen; | |
1532 size += conv_restlen; | |
1533 conv_restlen = 0; | |
7 | 1534 #endif |
1535 /* | |
1536 * Break here for a read error or end-of-file. | |
1537 */ | |
1538 if (size <= 0) | |
1539 break; | |
1540 | |
1541 #ifdef FEAT_MBYTE | |
1542 | |
1543 # ifdef USE_ICONV | |
1544 if (iconv_fd != (iconv_t)-1) | |
1545 { | |
1546 /* | |
1547 * Attempt conversion of the read bytes to 'encoding' using | |
1548 * iconv(). | |
1549 */ | |
1550 const char *fromp; | |
1551 char *top; | |
1552 size_t from_size; | |
1553 size_t to_size; | |
1554 | |
1555 fromp = (char *)ptr; | |
1556 from_size = size; | |
1557 ptr += size; | |
1558 top = (char *)ptr; | |
1559 to_size = real_size - size; | |
1560 | |
1561 /* | |
1562 * If there is conversion error or not enough room try using | |
179 | 1563 * another conversion. Except for when there is no |
1564 * alternative (help files). | |
7 | 1565 */ |
177 | 1566 while ((iconv(iconv_fd, (void *)&fromp, &from_size, |
1567 &top, &to_size) | |
7 | 1568 == (size_t)-1 && ICONV_ERRNO != ICONV_EINVAL) |
1569 || from_size > CONV_RESTLEN) | |
177 | 1570 { |
595 | 1571 if (can_retry) |
375 | 1572 goto rewind_retry; |
595 | 1573 if (conv_error == 0) |
1574 conv_error = readfile_linenr(linecnt, | |
1575 ptr, (char_u *)top); | |
1576 | |
1577 /* Deal with a bad byte and continue with the next. */ | |
177 | 1578 ++fromp; |
1579 --from_size; | |
595 | 1580 if (bad_char_behavior == BAD_KEEP) |
1581 { | |
1582 *top++ = *(fromp - 1); | |
1583 --to_size; | |
1584 } | |
1585 else if (bad_char_behavior != BAD_DROP) | |
1586 { | |
1587 *top++ = bad_char_behavior; | |
1588 --to_size; | |
1589 } | |
177 | 1590 } |
7 | 1591 |
1592 if (from_size > 0) | |
1593 { | |
1594 /* Some remaining characters, keep them for the next | |
1595 * round. */ | |
1596 mch_memmove(conv_rest, (char_u *)fromp, from_size); | |
1597 conv_restlen = (int)from_size; | |
1598 } | |
1599 | |
1600 /* move the linerest to before the converted characters */ | |
1601 line_start = ptr - linerest; | |
1602 mch_memmove(line_start, buffer, (size_t)linerest); | |
1603 size = (long)((char_u *)top - ptr); | |
1604 } | |
1605 # endif | |
1606 | |
1607 # ifdef WIN3264 | |
1608 if (fio_flags & FIO_CODEPAGE) | |
1609 { | |
595 | 1610 char_u *src, *dst; |
1611 WCHAR ucs2buf[3]; | |
1612 int ucs2len; | |
1613 int codepage = FIO_GET_CP(fio_flags); | |
1614 int bytelen; | |
1615 int found_bad; | |
1616 char replstr[2]; | |
1617 | |
7 | 1618 /* |
1619 * Conversion from an MS-Windows codepage or UTF-8 to UTF-8 or | |
595 | 1620 * a codepage, using standard MS-Windows functions. This |
1621 * requires two steps: | |
1622 * 1. convert from 'fileencoding' to ucs-2 | |
1623 * 2. convert from ucs-2 to 'encoding' | |
1624 * | |
1625 * Because there may be illegal bytes AND an incomplete byte | |
1626 * sequence at the end, we may have to do the conversion one | |
1627 * character at a time to get it right. | |
7 | 1628 */ |
595 | 1629 |
1630 /* Replacement string for WideCharToMultiByte(). */ | |
1631 if (bad_char_behavior > 0) | |
1632 replstr[0] = bad_char_behavior; | |
1633 else | |
1634 replstr[0] = '?'; | |
1635 replstr[1] = NUL; | |
1636 | |
1637 /* | |
1638 * Move the bytes to the end of the buffer, so that we have | |
1639 * room to put the result at the start. | |
1640 */ | |
1641 src = ptr + real_size - size; | |
1642 mch_memmove(src, ptr, size); | |
7 | 1643 |
1644 /* | |
595 | 1645 * Do the conversion. |
7 | 1646 */ |
595 | 1647 dst = ptr; |
1648 size = size; | |
1649 while (size > 0) | |
7 | 1650 { |
595 | 1651 found_bad = FALSE; |
7 | 1652 |
1653 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
595 | 1654 if (codepage == CP_UTF8) |
7 | 1655 { |
595 | 1656 /* Handle CP_UTF8 input ourselves to be able to handle |
1657 * trailing bytes properly. | |
1658 * Get one UTF-8 character from src. */ | |
835 | 1659 bytelen = (int)utf_ptr2len_len(src, size); |
595 | 1660 if (bytelen > size) |
1661 { | |
1662 /* Only got some bytes of a character. Normally | |
1663 * it's put in "conv_rest", but if it's too long | |
1664 * deal with it as if they were illegal bytes. */ | |
1665 if (bytelen <= CONV_RESTLEN) | |
1666 break; | |
1667 | |
1668 /* weird overlong byte sequence */ | |
1669 bytelen = size; | |
1670 found_bad = TRUE; | |
1671 } | |
1672 else | |
1673 { | |
799 | 1674 int u8c = utf_ptr2char(src); |
1675 | |
622 | 1676 if (u8c > 0xffff || (*src >= 0x80 && bytelen == 1)) |
595 | 1677 found_bad = TRUE; |
1678 ucs2buf[0] = u8c; | |
1679 ucs2len = 1; | |
1680 } | |
7 | 1681 } |
595 | 1682 else |
7 | 1683 # endif |
595 | 1684 { |
1685 /* We don't know how long the byte sequence is, try | |
1686 * from one to three bytes. */ | |
1687 for (bytelen = 1; bytelen <= size && bytelen <= 3; | |
1688 ++bytelen) | |
1689 { | |
1690 ucs2len = MultiByteToWideChar(codepage, | |
1691 MB_ERR_INVALID_CHARS, | |
1692 (LPCSTR)src, bytelen, | |
1693 ucs2buf, 3); | |
1694 if (ucs2len > 0) | |
1695 break; | |
1696 } | |
1697 if (ucs2len == 0) | |
1698 { | |
1699 /* If we have only one byte then it's probably an | |
1700 * incomplete byte sequence. Otherwise discard | |
1701 * one byte as a bad character. */ | |
1702 if (size == 1) | |
1703 break; | |
1704 found_bad = TRUE; | |
1705 bytelen = 1; | |
1706 } | |
1707 } | |
1708 | |
1709 if (!found_bad) | |
7 | 1710 { |
595 | 1711 int i; |
1712 | |
1713 /* Convert "ucs2buf[ucs2len]" to 'enc' in "dst". */ | |
1714 if (enc_utf8) | |
1715 { | |
1716 /* From UCS-2 to UTF-8. Cannot fail. */ | |
1717 for (i = 0; i < ucs2len; ++i) | |
1718 dst += utf_char2bytes(ucs2buf[i], dst); | |
1719 } | |
1720 else | |
1721 { | |
1722 BOOL bad = FALSE; | |
1723 int dstlen; | |
1724 | |
1725 /* From UCS-2 to "enc_codepage". If the | |
1726 * conversion uses the default character "?", | |
1727 * the data doesn't fit in this encoding. */ | |
1728 dstlen = WideCharToMultiByte(enc_codepage, 0, | |
1729 (LPCWSTR)ucs2buf, ucs2len, | |
835 | 1730 (LPSTR)dst, (int)(src - dst), |
595 | 1731 replstr, &bad); |
1732 if (bad) | |
1733 found_bad = TRUE; | |
1734 else | |
1735 dst += dstlen; | |
1736 } | |
7 | 1737 } |
595 | 1738 |
1739 if (found_bad) | |
1740 { | |
1741 /* Deal with bytes we can't convert. */ | |
1742 if (can_retry) | |
1743 goto rewind_retry; | |
1744 if (conv_error == 0) | |
1745 conv_error = readfile_linenr(linecnt, ptr, dst); | |
1746 if (bad_char_behavior != BAD_DROP) | |
1747 { | |
1748 if (bad_char_behavior == BAD_KEEP) | |
1749 { | |
1750 mch_memmove(dst, src, bytelen); | |
1751 dst += bytelen; | |
1752 } | |
1753 else | |
1754 *dst++ = bad_char_behavior; | |
1755 } | |
1756 } | |
1757 | |
1758 src += bytelen; | |
1759 size -= bytelen; | |
7 | 1760 } |
595 | 1761 |
1762 if (size > 0) | |
7 | 1763 { |
595 | 1764 /* An incomplete byte sequence remaining. */ |
1765 mch_memmove(conv_rest, src, size); | |
1766 conv_restlen = size; | |
7 | 1767 } |
595 | 1768 |
1769 /* The new size is equal to how much "dst" was advanced. */ | |
835 | 1770 size = (long)(dst - ptr); |
7 | 1771 } |
1772 else | |
1773 # endif | |
765 | 1774 # ifdef MACOS_CONVERT |
7 | 1775 if (fio_flags & FIO_MACROMAN) |
1776 { | |
1777 /* | |
1778 * Conversion from Apple MacRoman char encoding to UTF-8 or | |
18 | 1779 * latin1. This is in os_mac_conv.c. |
7 | 1780 */ |
18 | 1781 if (macroman2enc(ptr, &size, real_size) == FAIL) |
7 | 1782 goto rewind_retry; |
1783 } | |
1784 else | |
1785 # endif | |
1786 if (fio_flags != 0) | |
1787 { | |
1788 int u8c; | |
1789 char_u *dest; | |
1790 char_u *tail = NULL; | |
1791 | |
1792 /* | |
1793 * "enc_utf8" set: Convert Unicode or Latin1 to UTF-8. | |
1794 * "enc_utf8" not set: Convert Unicode to Latin1. | |
1795 * Go from end to start through the buffer, because the number | |
1796 * of bytes may increase. | |
1797 * "dest" points to after where the UTF-8 bytes go, "p" points | |
1798 * to after the next character to convert. | |
1799 */ | |
1800 dest = ptr + real_size; | |
1801 if (fio_flags == FIO_LATIN1 || fio_flags == FIO_UTF8) | |
1802 { | |
1803 p = ptr + size; | |
1804 if (fio_flags == FIO_UTF8) | |
1805 { | |
1806 /* Check for a trailing incomplete UTF-8 sequence */ | |
1807 tail = ptr + size - 1; | |
1808 while (tail > ptr && (*tail & 0xc0) == 0x80) | |
1809 --tail; | |
1810 if (tail + utf_byte2len(*tail) <= ptr + size) | |
1811 tail = NULL; | |
1812 else | |
1813 p = tail; | |
1814 } | |
1815 } | |
1816 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
1817 { | |
1818 /* Check for a trailing byte */ | |
1819 p = ptr + (size & ~1); | |
1820 if (size & 1) | |
1821 tail = p; | |
1822 if ((fio_flags & FIO_UTF16) && p > ptr) | |
1823 { | |
1824 /* Check for a trailing leading word */ | |
1825 if (fio_flags & FIO_ENDIAN_L) | |
1826 { | |
1827 u8c = (*--p << 8); | |
1828 u8c += *--p; | |
1829 } | |
1830 else | |
1831 { | |
1832 u8c = *--p; | |
1833 u8c += (*--p << 8); | |
1834 } | |
1835 if (u8c >= 0xd800 && u8c <= 0xdbff) | |
1836 tail = p; | |
1837 else | |
1838 p += 2; | |
1839 } | |
1840 } | |
1841 else /* FIO_UCS4 */ | |
1842 { | |
1843 /* Check for trailing 1, 2 or 3 bytes */ | |
1844 p = ptr + (size & ~3); | |
1845 if (size & 3) | |
1846 tail = p; | |
1847 } | |
1848 | |
1849 /* If there is a trailing incomplete sequence move it to | |
1850 * conv_rest[]. */ | |
1851 if (tail != NULL) | |
1852 { | |
1853 conv_restlen = (int)((ptr + size) - tail); | |
1854 mch_memmove(conv_rest, (char_u *)tail, conv_restlen); | |
1855 size -= conv_restlen; | |
1856 } | |
1857 | |
1858 | |
1859 while (p > ptr) | |
1860 { | |
1861 if (fio_flags & FIO_LATIN1) | |
1862 u8c = *--p; | |
1863 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
1864 { | |
1865 if (fio_flags & FIO_ENDIAN_L) | |
1866 { | |
1867 u8c = (*--p << 8); | |
1868 u8c += *--p; | |
1869 } | |
1870 else | |
1871 { | |
1872 u8c = *--p; | |
1873 u8c += (*--p << 8); | |
1874 } | |
1875 if ((fio_flags & FIO_UTF16) | |
1876 && u8c >= 0xdc00 && u8c <= 0xdfff) | |
1877 { | |
1878 int u16c; | |
1879 | |
1880 if (p == ptr) | |
1881 { | |
1882 /* Missing leading word. */ | |
1883 if (can_retry) | |
1884 goto rewind_retry; | |
595 | 1885 if (conv_error == 0) |
1886 conv_error = readfile_linenr(linecnt, | |
1887 ptr, p); | |
1888 if (bad_char_behavior == BAD_DROP) | |
1889 continue; | |
1890 if (bad_char_behavior != BAD_KEEP) | |
1891 u8c = bad_char_behavior; | |
7 | 1892 } |
1893 | |
1894 /* found second word of double-word, get the first | |
1895 * word and compute the resulting character */ | |
1896 if (fio_flags & FIO_ENDIAN_L) | |
1897 { | |
1898 u16c = (*--p << 8); | |
1899 u16c += *--p; | |
1900 } | |
1901 else | |
1902 { | |
1903 u16c = *--p; | |
1904 u16c += (*--p << 8); | |
1905 } | |
595 | 1906 u8c = 0x10000 + ((u16c & 0x3ff) << 10) |
1907 + (u8c & 0x3ff); | |
1908 | |
7 | 1909 /* Check if the word is indeed a leading word. */ |
1910 if (u16c < 0xd800 || u16c > 0xdbff) | |
1911 { | |
1912 if (can_retry) | |
1913 goto rewind_retry; | |
595 | 1914 if (conv_error == 0) |
1915 conv_error = readfile_linenr(linecnt, | |
1916 ptr, p); | |
1917 if (bad_char_behavior == BAD_DROP) | |
1918 continue; | |
1919 if (bad_char_behavior != BAD_KEEP) | |
1920 u8c = bad_char_behavior; | |
7 | 1921 } |
1922 } | |
1923 } | |
1924 else if (fio_flags & FIO_UCS4) | |
1925 { | |
1926 if (fio_flags & FIO_ENDIAN_L) | |
1927 { | |
1928 u8c = (*--p << 24); | |
1929 u8c += (*--p << 16); | |
1930 u8c += (*--p << 8); | |
1931 u8c += *--p; | |
1932 } | |
1933 else /* big endian */ | |
1934 { | |
1935 u8c = *--p; | |
1936 u8c += (*--p << 8); | |
1937 u8c += (*--p << 16); | |
1938 u8c += (*--p << 24); | |
1939 } | |
1940 } | |
1941 else /* UTF-8 */ | |
1942 { | |
1943 if (*--p < 0x80) | |
1944 u8c = *p; | |
1945 else | |
1946 { | |
1947 len = utf_head_off(ptr, p); | |
595 | 1948 p -= len; |
1949 u8c = utf_ptr2char(p); | |
7 | 1950 if (len == 0) |
1951 { | |
1952 /* Not a valid UTF-8 character, retry with | |
1953 * another fenc when possible, otherwise just | |
1954 * report the error. */ | |
1955 if (can_retry) | |
1956 goto rewind_retry; | |
595 | 1957 if (conv_error == 0) |
1958 conv_error = readfile_linenr(linecnt, | |
1959 ptr, p); | |
1960 if (bad_char_behavior == BAD_DROP) | |
1961 continue; | |
1962 if (bad_char_behavior != BAD_KEEP) | |
1963 u8c = bad_char_behavior; | |
7 | 1964 } |
1965 } | |
1966 } | |
1967 if (enc_utf8) /* produce UTF-8 */ | |
1968 { | |
1969 dest -= utf_char2len(u8c); | |
1970 (void)utf_char2bytes(u8c, dest); | |
1971 } | |
1972 else /* produce Latin1 */ | |
1973 { | |
1974 --dest; | |
1975 if (u8c >= 0x100) | |
1976 { | |
1977 /* character doesn't fit in latin1, retry with | |
1978 * another fenc when possible, otherwise just | |
1979 * report the error. */ | |
595 | 1980 if (can_retry) |
7 | 1981 goto rewind_retry; |
595 | 1982 if (conv_error == 0) |
1983 conv_error = readfile_linenr(linecnt, ptr, p); | |
1984 if (bad_char_behavior == BAD_DROP) | |
1985 ++dest; | |
1986 else if (bad_char_behavior == BAD_KEEP) | |
1987 *dest = u8c; | |
1988 else if (eap != NULL && eap->bad_char != 0) | |
1989 *dest = bad_char_behavior; | |
1990 else | |
1991 *dest = 0xBF; | |
7 | 1992 } |
1993 else | |
1994 *dest = u8c; | |
1995 } | |
1996 } | |
1997 | |
1998 /* move the linerest to before the converted characters */ | |
1999 line_start = dest - linerest; | |
2000 mch_memmove(line_start, buffer, (size_t)linerest); | |
2001 size = (long)((ptr + real_size) - dest); | |
2002 ptr = dest; | |
2003 } | |
1597 | 2004 else if (enc_utf8 && !curbuf->b_p_bin) |
2005 { | |
2006 int incomplete_tail = FALSE; | |
2007 | |
2008 /* Reading UTF-8: Check if the bytes are valid UTF-8. */ | |
2009 for (p = ptr; ; ++p) | |
7 | 2010 { |
835 | 2011 int todo = (int)((ptr + size) - p); |
595 | 2012 int l; |
2013 | |
2014 if (todo <= 0) | |
2015 break; | |
7 | 2016 if (*p >= 0x80) |
2017 { | |
2018 /* A length of 1 means it's an illegal byte. Accept | |
2019 * an incomplete character at the end though, the next | |
2020 * read() will get the next bytes, we'll check it | |
2021 * then. */ | |
595 | 2022 l = utf_ptr2len_len(p, todo); |
1597 | 2023 if (l > todo && !incomplete_tail) |
7 | 2024 { |
1597 | 2025 /* Avoid retrying with a different encoding when |
2026 * a truncated file is more likely, or attempting | |
2027 * to read the rest of an incomplete sequence when | |
2028 * we have already done so. */ | |
2029 if (p > ptr || filesize > 0) | |
2030 incomplete_tail = TRUE; | |
2031 /* Incomplete byte sequence, move it to conv_rest[] | |
2032 * and try to read the rest of it, unless we've | |
2033 * already done so. */ | |
2034 if (p > ptr) | |
2035 { | |
2036 conv_restlen = todo; | |
2037 mch_memmove(conv_rest, p, conv_restlen); | |
2038 size -= conv_restlen; | |
2039 break; | |
2040 } | |
7 | 2041 } |
1597 | 2042 if (l == 1 || l > todo) |
595 | 2043 { |
2044 /* Illegal byte. If we can try another encoding | |
1597 | 2045 * do that, unless at EOF where a truncated |
2046 * file is more likely than a conversion error. */ | |
2047 if (can_retry && !incomplete_tail) | |
595 | 2048 break; |
2049 # ifdef USE_ICONV | |
2050 /* When we did a conversion report an error. */ | |
2051 if (iconv_fd != (iconv_t)-1 && conv_error == 0) | |
2052 conv_error = readfile_linenr(linecnt, ptr, p); | |
2053 # endif | |
1597 | 2054 /* Remember the first linenr with an illegal byte */ |
2055 if (conv_error == 0 && illegal_byte == 0) | |
2056 illegal_byte = readfile_linenr(linecnt, ptr, p); | |
595 | 2057 |
2058 /* Drop, keep or replace the bad byte. */ | |
2059 if (bad_char_behavior == BAD_DROP) | |
2060 { | |
1597 | 2061 mch_memmove(p, p + 1, todo - 1); |
595 | 2062 --p; |
2063 --size; | |
2064 } | |
2065 else if (bad_char_behavior != BAD_KEEP) | |
2066 *p = bad_char_behavior; | |
2067 } | |
1597 | 2068 else |
2069 p += l - 1; | |
7 | 2070 } |
2071 } | |
1597 | 2072 if (p < ptr + size && !incomplete_tail) |
7 | 2073 { |
2074 /* Detected a UTF-8 error. */ | |
2075 rewind_retry: | |
595 | 2076 /* Retry reading with another conversion. */ |
7 | 2077 # if defined(FEAT_EVAL) && defined(USE_ICONV) |
595 | 2078 if (*p_ccv != NUL && iconv_fd != (iconv_t)-1) |
2079 /* iconv() failed, try 'charconvert' */ | |
2080 did_iconv = TRUE; | |
7 | 2081 else |
2082 # endif | |
595 | 2083 /* use next item from 'fileencodings' */ |
2084 advance_fenc = TRUE; | |
2085 file_rewind = TRUE; | |
2086 goto retry; | |
7 | 2087 } |
2088 } | |
2089 #endif | |
2090 | |
2091 /* count the number of characters (after conversion!) */ | |
2092 filesize += size; | |
2093 | |
2094 /* | |
2095 * when reading the first part of a file: guess EOL type | |
2096 */ | |
2097 if (fileformat == EOL_UNKNOWN) | |
2098 { | |
2099 /* First try finding a NL, for Dos and Unix */ | |
2100 if (try_dos || try_unix) | |
2101 { | |
2102 for (p = ptr; p < ptr + size; ++p) | |
2103 { | |
2104 if (*p == NL) | |
2105 { | |
2106 if (!try_unix | |
2107 || (try_dos && p > ptr && p[-1] == CAR)) | |
2108 fileformat = EOL_DOS; | |
2109 else | |
2110 fileformat = EOL_UNIX; | |
2111 break; | |
2112 } | |
2113 } | |
2114 | |
2115 /* Don't give in to EOL_UNIX if EOL_MAC is more likely */ | |
2116 if (fileformat == EOL_UNIX && try_mac) | |
2117 { | |
2118 /* Need to reset the counters when retrying fenc. */ | |
2119 try_mac = 1; | |
2120 try_unix = 1; | |
2121 for (; p >= ptr && *p != CAR; p--) | |
2122 ; | |
2123 if (p >= ptr) | |
2124 { | |
2125 for (p = ptr; p < ptr + size; ++p) | |
2126 { | |
2127 if (*p == NL) | |
2128 try_unix++; | |
2129 else if (*p == CAR) | |
2130 try_mac++; | |
2131 } | |
2132 if (try_mac > try_unix) | |
2133 fileformat = EOL_MAC; | |
2134 } | |
2135 } | |
2136 } | |
2137 | |
2138 /* No NL found: may use Mac format */ | |
2139 if (fileformat == EOL_UNKNOWN && try_mac) | |
2140 fileformat = EOL_MAC; | |
2141 | |
2142 /* Still nothing found? Use first format in 'ffs' */ | |
2143 if (fileformat == EOL_UNKNOWN) | |
2144 fileformat = default_fileformat(); | |
2145 | |
2146 /* if editing a new file: may set p_tx and p_ff */ | |
819 | 2147 if (set_options) |
7 | 2148 set_fileformat(fileformat, OPT_LOCAL); |
2149 } | |
2150 } | |
2151 | |
2152 /* | |
2153 * This loop is executed once for every character read. | |
2154 * Keep it fast! | |
2155 */ | |
2156 if (fileformat == EOL_MAC) | |
2157 { | |
2158 --ptr; | |
2159 while (++ptr, --size >= 0) | |
2160 { | |
2161 /* catch most common case first */ | |
2162 if ((c = *ptr) != NUL && c != CAR && c != NL) | |
2163 continue; | |
2164 if (c == NUL) | |
2165 *ptr = NL; /* NULs are replaced by newlines! */ | |
2166 else if (c == NL) | |
2167 *ptr = CAR; /* NLs are replaced by CRs! */ | |
2168 else | |
2169 { | |
2170 if (skip_count == 0) | |
2171 { | |
2172 *ptr = NUL; /* end of line */ | |
2173 len = (colnr_T) (ptr - line_start + 1); | |
2174 if (ml_append(lnum, line_start, len, newfile) == FAIL) | |
2175 { | |
2176 error = TRUE; | |
2177 break; | |
2178 } | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2179 #ifdef FEAT_PERSISTENT_UNDO |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2180 if (read_undo_file) |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2181 sha256_update(&sha_ctx, line_start, len); |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2182 #endif |
7 | 2183 ++lnum; |
2184 if (--read_count == 0) | |
2185 { | |
2186 error = TRUE; /* break loop */ | |
2187 line_start = ptr; /* nothing left to write */ | |
2188 break; | |
2189 } | |
2190 } | |
2191 else | |
2192 --skip_count; | |
2193 line_start = ptr + 1; | |
2194 } | |
2195 } | |
2196 } | |
2197 else | |
2198 { | |
2199 --ptr; | |
2200 while (++ptr, --size >= 0) | |
2201 { | |
2202 if ((c = *ptr) != NUL && c != NL) /* catch most common case */ | |
2203 continue; | |
2204 if (c == NUL) | |
2205 *ptr = NL; /* NULs are replaced by newlines! */ | |
2206 else | |
2207 { | |
2208 if (skip_count == 0) | |
2209 { | |
2210 *ptr = NUL; /* end of line */ | |
2211 len = (colnr_T)(ptr - line_start + 1); | |
2212 if (fileformat == EOL_DOS) | |
2213 { | |
2214 if (ptr[-1] == CAR) /* remove CR */ | |
2215 { | |
2216 ptr[-1] = NUL; | |
2217 --len; | |
2218 } | |
2219 /* | |
2220 * Reading in Dos format, but no CR-LF found! | |
2221 * When 'fileformats' includes "unix", delete all | |
2222 * the lines read so far and start all over again. | |
2223 * Otherwise give an error message later. | |
2224 */ | |
2225 else if (ff_error != EOL_DOS) | |
2226 { | |
2227 if ( try_unix | |
2228 && !read_stdin | |
2229 && (read_buffer | |
2230 || lseek(fd, (off_t)0L, SEEK_SET) == 0)) | |
2231 { | |
2232 fileformat = EOL_UNIX; | |
819 | 2233 if (set_options) |
7 | 2234 set_fileformat(EOL_UNIX, OPT_LOCAL); |
2235 file_rewind = TRUE; | |
2236 keep_fileformat = TRUE; | |
2237 goto retry; | |
2238 } | |
2239 ff_error = EOL_DOS; | |
2240 } | |
2241 } | |
2242 if (ml_append(lnum, line_start, len, newfile) == FAIL) | |
2243 { | |
2244 error = TRUE; | |
2245 break; | |
2246 } | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2247 #ifdef FEAT_PERSISTENT_UNDO |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2248 if (read_undo_file) |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2249 sha256_update(&sha_ctx, line_start, len); |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2250 #endif |
7 | 2251 ++lnum; |
2252 if (--read_count == 0) | |
2253 { | |
2254 error = TRUE; /* break loop */ | |
2255 line_start = ptr; /* nothing left to write */ | |
2256 break; | |
2257 } | |
2258 } | |
2259 else | |
2260 --skip_count; | |
2261 line_start = ptr + 1; | |
2262 } | |
2263 } | |
2264 } | |
2265 linerest = (long)(ptr - line_start); | |
2266 ui_breakcheck(); | |
2267 } | |
2268 | |
2269 failed: | |
2270 /* not an error, max. number of lines reached */ | |
2271 if (error && read_count == 0) | |
2272 error = FALSE; | |
2273 | |
2274 /* | |
2275 * If we get EOF in the middle of a line, note the fact and | |
2276 * complete the line ourselves. | |
2277 * In Dos format ignore a trailing CTRL-Z, unless 'binary' set. | |
2278 */ | |
2279 if (!error | |
2280 && !got_int | |
2281 && linerest != 0 | |
2282 && !(!curbuf->b_p_bin | |
2283 && fileformat == EOL_DOS | |
2284 && *line_start == Ctrl_Z | |
2285 && ptr == line_start + 1)) | |
2286 { | |
819 | 2287 /* remember for when writing */ |
2288 if (set_options) | |
7 | 2289 curbuf->b_p_eol = FALSE; |
2290 *ptr = NUL; | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2291 len = (colnr_T)(ptr - line_start + 1); |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2292 if (ml_append(lnum, line_start, len, newfile) == FAIL) |
7 | 2293 error = TRUE; |
2294 else | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2295 { |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2296 #ifdef FEAT_PERSISTENT_UNDO |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2297 if (read_undo_file) |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2298 sha256_update(&sha_ctx, line_start, len); |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2299 #endif |
7 | 2300 read_no_eol_lnum = ++lnum; |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2301 } |
7 | 2302 } |
2303 | |
819 | 2304 if (set_options) |
7 | 2305 save_file_ff(curbuf); /* remember the current file format */ |
2306 | |
2307 #ifdef FEAT_CRYPT | |
6122 | 2308 if (curbuf->b_cryptstate != NULL) |
2309 { | |
2310 crypt_free_state(curbuf->b_cryptstate); | |
2311 curbuf->b_cryptstate = NULL; | |
2312 } | |
2313 if (cryptkey != NULL && cryptkey != curbuf->b_p_key) | |
2314 crypt_free_key(cryptkey); | |
2315 /* Don't set cryptkey to NULL, it's used below as a flag that | |
2316 * encryption was used. */ | |
7 | 2317 #endif |
2318 | |
2319 #ifdef FEAT_MBYTE | |
819 | 2320 /* If editing a new file: set 'fenc' for the current buffer. |
2321 * Also for ":read ++edit file". */ | |
2322 if (set_options) | |
7 | 2323 set_string_option_direct((char_u *)"fenc", -1, fenc, |
694 | 2324 OPT_FREE|OPT_LOCAL, 0); |
7 | 2325 if (fenc_alloced) |
2326 vim_free(fenc); | |
2327 # ifdef USE_ICONV | |
2328 if (iconv_fd != (iconv_t)-1) | |
2329 { | |
2330 iconv_close(iconv_fd); | |
2331 iconv_fd = (iconv_t)-1; | |
2332 } | |
2333 # endif | |
2334 #endif | |
2335 | |
2336 if (!read_buffer && !read_stdin) | |
2337 close(fd); /* errors are ignored */ | |
2003 | 2338 #ifdef HAVE_FD_CLOEXEC |
2339 else | |
2340 { | |
2341 int fdflags = fcntl(fd, F_GETFD); | |
2342 if (fdflags >= 0 && (fdflags & FD_CLOEXEC) == 0) | |
2343 fcntl(fd, F_SETFD, fdflags | FD_CLOEXEC); | |
2344 } | |
2345 #endif | |
7 | 2346 vim_free(buffer); |
2347 | |
2348 #ifdef HAVE_DUP | |
2349 if (read_stdin) | |
2350 { | |
2351 /* Use stderr for stdin, makes shell commands work. */ | |
2352 close(0); | |
1757 | 2353 ignored = dup(2); |
7 | 2354 } |
2355 #endif | |
2356 | |
2357 #ifdef FEAT_MBYTE | |
2358 if (tmpname != NULL) | |
2359 { | |
2360 mch_remove(tmpname); /* delete converted file */ | |
2361 vim_free(tmpname); | |
2362 } | |
2363 #endif | |
2364 --no_wait_return; /* may wait for return now */ | |
2365 | |
2366 /* | |
2367 * In recovery mode everything but autocommands is skipped. | |
2368 */ | |
2369 if (!recoverymode) | |
2370 { | |
2371 /* need to delete the last line, which comes from the empty buffer */ | |
2372 if (newfile && wasempty && !(curbuf->b_ml.ml_flags & ML_EMPTY)) | |
2373 { | |
2374 #ifdef FEAT_NETBEANS_INTG | |
2375 netbeansFireChanges = 0; | |
2376 #endif | |
2377 ml_delete(curbuf->b_ml.ml_line_count, FALSE); | |
2378 #ifdef FEAT_NETBEANS_INTG | |
2379 netbeansFireChanges = 1; | |
2380 #endif | |
2381 --linecnt; | |
2382 } | |
2383 linecnt = curbuf->b_ml.ml_line_count - linecnt; | |
2384 if (filesize == 0) | |
2385 linecnt = 0; | |
2386 if (newfile || read_buffer) | |
1201 | 2387 { |
7 | 2388 redraw_curbuf_later(NOT_VALID); |
1201 | 2389 #ifdef FEAT_DIFF |
2390 /* After reading the text into the buffer the diff info needs to | |
2391 * be updated. */ | |
2392 diff_invalidate(curbuf); | |
2393 #endif | |
2394 #ifdef FEAT_FOLDING | |
2395 /* All folds in the window are invalid now. Mark them for update | |
2396 * before triggering autocommands. */ | |
2397 foldUpdateAll(curwin); | |
2398 #endif | |
2399 } | |
7 | 2400 else if (linecnt) /* appended at least one line */ |
2401 appended_lines_mark(from, linecnt); | |
2402 | |
2403 #ifndef ALWAYS_USE_GUI | |
2404 /* | |
2405 * If we were reading from the same terminal as where messages go, | |
2406 * the screen will have been messed up. | |
2407 * Switch on raw mode now and clear the screen. | |
2408 */ | |
2409 if (read_stdin) | |
2410 { | |
2411 settmode(TMODE_RAW); /* set to raw mode */ | |
2412 starttermcap(); | |
2413 screenclear(); | |
2414 } | |
2415 #endif | |
2416 | |
2417 if (got_int) | |
2418 { | |
2419 if (!(flags & READ_DUMMY)) | |
2420 { | |
2421 filemess(curbuf, sfname, (char_u *)_(e_interr), 0); | |
2422 if (newfile) | |
2423 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
2424 } | |
2425 msg_scroll = msg_save; | |
2426 #ifdef FEAT_VIMINFO | |
2427 check_marks_read(); | |
2428 #endif | |
2429 return OK; /* an interrupt isn't really an error */ | |
2430 } | |
2431 | |
2432 if (!filtering && !(flags & READ_DUMMY)) | |
2433 { | |
2434 msg_add_fname(curbuf, sfname); /* fname in IObuff with quotes */ | |
2435 c = FALSE; | |
2436 | |
2437 #ifdef UNIX | |
2438 # ifdef S_ISFIFO | |
2439 if (S_ISFIFO(perm)) /* fifo or socket */ | |
2440 { | |
2441 STRCAT(IObuff, _("[fifo/socket]")); | |
2442 c = TRUE; | |
2443 } | |
2444 # else | |
2445 # ifdef S_IFIFO | |
2446 if ((perm & S_IFMT) == S_IFIFO) /* fifo */ | |
2447 { | |
2448 STRCAT(IObuff, _("[fifo]")); | |
2449 c = TRUE; | |
2450 } | |
2451 # endif | |
2452 # ifdef S_IFSOCK | |
2453 if ((perm & S_IFMT) == S_IFSOCK) /* or socket */ | |
2454 { | |
2455 STRCAT(IObuff, _("[socket]")); | |
2456 c = TRUE; | |
2457 } | |
2458 # endif | |
2459 # endif | |
1313 | 2460 # ifdef OPEN_CHR_FILES |
2461 if (S_ISCHR(perm)) /* or character special */ | |
2462 { | |
2463 STRCAT(IObuff, _("[character special]")); | |
2464 c = TRUE; | |
2465 } | |
2466 # endif | |
7 | 2467 #endif |
2468 if (curbuf->b_p_ro) | |
2469 { | |
2470 STRCAT(IObuff, shortmess(SHM_RO) ? _("[RO]") : _("[readonly]")); | |
2471 c = TRUE; | |
2472 } | |
2473 if (read_no_eol_lnum) | |
2474 { | |
2475 msg_add_eol(); | |
2476 c = TRUE; | |
2477 } | |
2478 if (ff_error == EOL_DOS) | |
2479 { | |
2480 STRCAT(IObuff, _("[CR missing]")); | |
2481 c = TRUE; | |
2482 } | |
2483 if (split) | |
2484 { | |
2485 STRCAT(IObuff, _("[long lines split]")); | |
2486 c = TRUE; | |
2487 } | |
2488 #ifdef FEAT_MBYTE | |
2489 if (notconverted) | |
2490 { | |
2491 STRCAT(IObuff, _("[NOT converted]")); | |
2492 c = TRUE; | |
2493 } | |
2494 else if (converted) | |
2495 { | |
2496 STRCAT(IObuff, _("[converted]")); | |
2497 c = TRUE; | |
2498 } | |
2499 #endif | |
2500 #ifdef FEAT_CRYPT | |
2501 if (cryptkey != NULL) | |
2502 { | |
6122 | 2503 crypt_append_msg(curbuf); |
7 | 2504 c = TRUE; |
2505 } | |
2506 #endif | |
2507 #ifdef FEAT_MBYTE | |
595 | 2508 if (conv_error != 0) |
2509 { | |
2510 sprintf((char *)IObuff + STRLEN(IObuff), | |
2511 _("[CONVERSION ERROR in line %ld]"), (long)conv_error); | |
7 | 2512 c = TRUE; |
2513 } | |
2514 else if (illegal_byte > 0) | |
2515 { | |
2516 sprintf((char *)IObuff + STRLEN(IObuff), | |
2517 _("[ILLEGAL BYTE in line %ld]"), (long)illegal_byte); | |
2518 c = TRUE; | |
2519 } | |
2520 else | |
2521 #endif | |
2522 if (error) | |
2523 { | |
2524 STRCAT(IObuff, _("[READ ERRORS]")); | |
2525 c = TRUE; | |
2526 } | |
2527 if (msg_add_fileformat(fileformat)) | |
2528 c = TRUE; | |
2529 #ifdef FEAT_CRYPT | |
2530 if (cryptkey != NULL) | |
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2531 msg_add_lines(c, (long)linecnt, filesize |
6122 | 2532 - crypt_get_header_len(crypt_get_method_nr(curbuf))); |
7 | 2533 else |
2534 #endif | |
2535 msg_add_lines(c, (long)linecnt, filesize); | |
2536 | |
2537 vim_free(keep_msg); | |
2538 keep_msg = NULL; | |
2539 msg_scrolled_ign = TRUE; | |
2540 #ifdef ALWAYS_USE_GUI | |
2541 /* Don't show the message when reading stdin, it would end up in a | |
2542 * message box (which might be shown when exiting!) */ | |
2543 if (read_stdin || read_buffer) | |
2544 p = msg_may_trunc(FALSE, IObuff); | |
2545 else | |
2546 #endif | |
2547 p = msg_trunc_attr(IObuff, FALSE, 0); | |
2548 if (read_stdin || read_buffer || restart_edit != 0 | |
540 | 2549 || (msg_scrolled != 0 && !need_wait_return)) |
7 | 2550 /* Need to repeat the message after redrawing when: |
2551 * - When reading from stdin (the screen will be cleared next). | |
2552 * - When restart_edit is set (otherwise there will be a delay | |
2553 * before redrawing). | |
2554 * - When the screen was scrolled but there is no wait-return | |
2555 * prompt. */ | |
679 | 2556 set_keep_msg(p, 0); |
7 | 2557 msg_scrolled_ign = FALSE; |
2558 } | |
2559 | |
2560 /* with errors writing the file requires ":w!" */ | |
2561 if (newfile && (error | |
2562 #ifdef FEAT_MBYTE | |
595 | 2563 || conv_error != 0 |
679 | 2564 || (illegal_byte > 0 && bad_char_behavior != BAD_KEEP) |
7 | 2565 #endif |
2566 )) | |
2567 curbuf->b_p_ro = TRUE; | |
2568 | |
2569 u_clearline(); /* cannot use "U" command after adding lines */ | |
2570 | |
2571 /* | |
2572 * In Ex mode: cursor at last new line. | |
2573 * Otherwise: cursor at first new line. | |
2574 */ | |
2575 if (exmode_active) | |
2576 curwin->w_cursor.lnum = from + linecnt; | |
2577 else | |
2578 curwin->w_cursor.lnum = from + 1; | |
2579 check_cursor_lnum(); | |
2580 beginline(BL_WHITE | BL_FIX); /* on first non-blank */ | |
2581 | |
2582 /* | |
2583 * Set '[ and '] marks to the newly read lines. | |
2584 */ | |
2585 curbuf->b_op_start.lnum = from + 1; | |
2586 curbuf->b_op_start.col = 0; | |
2587 curbuf->b_op_end.lnum = from + linecnt; | |
2588 curbuf->b_op_end.col = 0; | |
696 | 2589 |
2590 #ifdef WIN32 | |
2591 /* | |
2592 * Work around a weird problem: When a file has two links (only | |
2593 * possible on NTFS) and we write through one link, then stat() it | |
1651 | 2594 * through the other link, the timestamp information may be wrong. |
696 | 2595 * It's correct again after reading the file, thus reset the timestamp |
2596 * here. | |
2597 */ | |
2598 if (newfile && !read_stdin && !read_buffer | |
2599 && mch_stat((char *)fname, &st) >= 0) | |
2600 { | |
2601 buf_store_time(curbuf, &st, fname); | |
2602 curbuf->b_mtime_read = curbuf->b_mtime; | |
2603 } | |
2604 #endif | |
7 | 2605 } |
2606 msg_scroll = msg_save; | |
2607 | |
2608 #ifdef FEAT_VIMINFO | |
2609 /* | |
2610 * Get the marks before executing autocommands, so they can be used there. | |
2611 */ | |
2612 check_marks_read(); | |
2613 #endif | |
2614 | |
2615 /* | |
2616 * Trick: We remember if the last line of the read didn't have | |
2707 | 2617 * an eol even when 'binary' is off, for when writing it again with |
2618 * 'binary' on. This is required for | |
7 | 2619 * ":autocmd FileReadPost *.gz set bin|'[,']!gunzip" to work. |
2620 */ | |
2707 | 2621 curbuf->b_no_eol_lnum = read_no_eol_lnum; |
7 | 2622 |
2482
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
2623 /* When reloading a buffer put the cursor at the first line that is |
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
2624 * different. */ |
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
2625 if (flags & READ_KEEP_UNDO) |
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
2626 u_find_first_changed(); |
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
2627 |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2628 #ifdef FEAT_PERSISTENT_UNDO |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2629 /* |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2630 * When opening a new file locate undo info and read it. |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2631 */ |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2632 if (read_undo_file) |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2633 { |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2634 char_u hash[UNDO_HASH_SIZE]; |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2635 |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2636 sha256_finish(&sha_ctx, hash); |
2238
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2217
diff
changeset
|
2637 u_read_undo(NULL, hash, fname); |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2638 } |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2639 #endif |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2640 |
167 | 2641 #ifdef FEAT_AUTOCMD |
7 | 2642 if (!read_stdin && !read_buffer) |
2643 { | |
2644 int m = msg_scroll; | |
2645 int n = msg_scrolled; | |
2646 | |
2647 /* Save the fileformat now, otherwise the buffer will be considered | |
2648 * modified if the format/encoding was automatically detected. */ | |
819 | 2649 if (set_options) |
7 | 2650 save_file_ff(curbuf); |
2651 | |
2652 /* | |
2653 * The output from the autocommands should not overwrite anything and | |
2654 * should not be overwritten: Set msg_scroll, restore its value if no | |
2655 * output was done. | |
2656 */ | |
2657 msg_scroll = TRUE; | |
2658 if (filtering) | |
2659 apply_autocmds_exarg(EVENT_FILTERREADPOST, NULL, sfname, | |
2660 FALSE, curbuf, eap); | |
2661 else if (newfile) | |
2662 apply_autocmds_exarg(EVENT_BUFREADPOST, NULL, sfname, | |
2663 FALSE, curbuf, eap); | |
2664 else | |
2665 apply_autocmds_exarg(EVENT_FILEREADPOST, sfname, sfname, | |
2666 FALSE, NULL, eap); | |
2667 if (msg_scrolled == n) | |
2668 msg_scroll = m; | |
2707 | 2669 # ifdef FEAT_EVAL |
7 | 2670 if (aborting()) /* autocmds may abort script processing */ |
2671 return FAIL; | |
2707 | 2672 # endif |
2673 } | |
2674 #endif | |
2675 | |
7 | 2676 if (recoverymode && error) |
2677 return FAIL; | |
2678 return OK; | |
2679 } | |
2680 | |
1313 | 2681 #ifdef OPEN_CHR_FILES |
2682 /* | |
2683 * Returns TRUE if the file name argument is of the form "/dev/fd/\d\+", | |
2684 * which is the name of files used for process substitution output by | |
2685 * some shells on some operating systems, e.g., bash on SunOS. | |
2686 * Do not accept "/dev/fd/[012]", opening these may hang Vim. | |
2687 */ | |
2688 static int | |
2689 is_dev_fd_file(fname) | |
2690 char_u *fname; | |
2691 { | |
2692 return (STRNCMP(fname, "/dev/fd/", 8) == 0 | |
2693 && VIM_ISDIGIT(fname[8]) | |
2694 && *skipdigits(fname + 9) == NUL | |
2695 && (fname[9] != NUL | |
2696 || (fname[8] != '0' && fname[8] != '1' && fname[8] != '2'))); | |
2697 } | |
2698 #endif | |
2699 | |
595 | 2700 #ifdef FEAT_MBYTE |
2701 | |
2702 /* | |
2703 * From the current line count and characters read after that, estimate the | |
2704 * line number where we are now. | |
2705 * Used for error messages that include a line number. | |
2706 */ | |
2707 static linenr_T | |
2708 readfile_linenr(linecnt, p, endp) | |
2709 linenr_T linecnt; /* line count before reading more bytes */ | |
2710 char_u *p; /* start of more bytes read */ | |
2711 char_u *endp; /* end of more bytes read */ | |
2712 { | |
2713 char_u *s; | |
2714 linenr_T lnum; | |
2715 | |
2716 lnum = curbuf->b_ml.ml_line_count - linecnt + 1; | |
2717 for (s = p; s < endp; ++s) | |
2718 if (*s == '\n') | |
2719 ++lnum; | |
2720 return lnum; | |
2721 } | |
2722 #endif | |
2723 | |
7 | 2724 /* |
612 | 2725 * Fill "*eap" to force the 'fileencoding', 'fileformat' and 'binary to be |
2726 * equal to the buffer "buf". Used for calling readfile(). | |
7 | 2727 * Returns OK or FAIL. |
2728 */ | |
2729 int | |
2730 prep_exarg(eap, buf) | |
2731 exarg_T *eap; | |
2732 buf_T *buf; | |
2733 { | |
2734 eap->cmd = alloc((unsigned)(STRLEN(buf->b_p_ff) | |
2735 #ifdef FEAT_MBYTE | |
2736 + STRLEN(buf->b_p_fenc) | |
2737 #endif | |
2738 + 15)); | |
2739 if (eap->cmd == NULL) | |
2740 return FAIL; | |
2741 | |
2742 #ifdef FEAT_MBYTE | |
2743 sprintf((char *)eap->cmd, "e ++ff=%s ++enc=%s", buf->b_p_ff, buf->b_p_fenc); | |
2744 eap->force_enc = 14 + (int)STRLEN(buf->b_p_ff); | |
612 | 2745 eap->bad_char = buf->b_bad_char; |
7 | 2746 #else |
2747 sprintf((char *)eap->cmd, "e ++ff=%s", buf->b_p_ff); | |
2748 #endif | |
2749 eap->force_ff = 7; | |
612 | 2750 |
2751 eap->force_bin = buf->b_p_bin ? FORCE_BIN : FORCE_NOBIN; | |
819 | 2752 eap->read_edit = FALSE; |
612 | 2753 eap->forceit = FALSE; |
7 | 2754 return OK; |
2755 } | |
2756 | |
5231
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2757 /* |
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2758 * Set default or forced 'fileformat' and 'binary'. |
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2759 */ |
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2760 void |
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2761 set_file_options(set_options, eap) |
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2762 int set_options; |
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2763 exarg_T *eap; |
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2764 { |
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2765 /* set default 'fileformat' */ |
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2766 if (set_options) |
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2767 { |
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|
2768 if (eap != NULL && eap->force_ff != 0) |
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|
2769 set_fileformat(get_fileformat_force(curbuf, eap), OPT_LOCAL); |
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|
2770 else if (*p_ffs != NUL) |
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|
2771 set_fileformat(default_fileformat(), OPT_LOCAL); |
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2772 } |
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|
2773 |
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|
2774 /* set or reset 'binary' */ |
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|
2775 if (eap != NULL && eap->force_bin != 0) |
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2776 { |
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|
2777 int oldval = curbuf->b_p_bin; |
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2778 |
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|
2779 curbuf->b_p_bin = (eap->force_bin == FORCE_BIN); |
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|
2780 set_options_bin(oldval, curbuf->b_p_bin, OPT_LOCAL); |
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2781 } |
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2782 } |
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2783 |
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2784 #if defined(FEAT_MBYTE) || defined(PROTO) |
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2785 /* |
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2786 * Set forced 'fileencoding'. |
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2787 */ |
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2788 void |
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|
2789 set_forced_fenc(eap) |
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|
2790 exarg_T *eap; |
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|
2791 { |
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|
2792 if (eap->force_enc != 0) |
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|
2793 { |
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|
2794 char_u *fenc = enc_canonize(eap->cmd + eap->force_enc); |
74d2f3188cd0
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|
2795 |
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2796 if (fenc != NULL) |
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|
2797 set_string_option_direct((char_u *)"fenc", -1, |
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|
2798 fenc, OPT_FREE|OPT_LOCAL, 0); |
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|
2799 vim_free(fenc); |
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|
2800 } |
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2801 } |
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|
2802 |
7 | 2803 /* |
2804 * Find next fileencoding to use from 'fileencodings'. | |
2805 * "pp" points to fenc_next. It's advanced to the next item. | |
2806 * When there are no more items, an empty string is returned and *pp is set to | |
2807 * NULL. | |
2808 * When *pp is not set to NULL, the result is in allocated memory. | |
2809 */ | |
2810 static char_u * | |
2811 next_fenc(pp) | |
2812 char_u **pp; | |
2813 { | |
2814 char_u *p; | |
2815 char_u *r; | |
2816 | |
2817 if (**pp == NUL) | |
2818 { | |
2819 *pp = NULL; | |
2820 return (char_u *)""; | |
2821 } | |
2822 p = vim_strchr(*pp, ','); | |
2823 if (p == NULL) | |
2824 { | |
2825 r = enc_canonize(*pp); | |
2826 *pp += STRLEN(*pp); | |
2827 } | |
2828 else | |
2829 { | |
2830 r = vim_strnsave(*pp, (int)(p - *pp)); | |
2831 *pp = p + 1; | |
2832 if (r != NULL) | |
2833 { | |
2834 p = enc_canonize(r); | |
2835 vim_free(r); | |
2836 r = p; | |
2837 } | |
2838 } | |
2839 if (r == NULL) /* out of memory */ | |
2840 { | |
2841 r = (char_u *)""; | |
2842 *pp = NULL; | |
2843 } | |
2844 return r; | |
2845 } | |
2846 | |
2847 # ifdef FEAT_EVAL | |
2848 /* | |
2849 * Convert a file with the 'charconvert' expression. | |
2850 * This closes the file which is to be read, converts it and opens the | |
2851 * resulting file for reading. | |
2852 * Returns name of the resulting converted file (the caller should delete it | |
2853 * after reading it). | |
2854 * Returns NULL if the conversion failed ("*fdp" is not set) . | |
2855 */ | |
2856 static char_u * | |
2857 readfile_charconvert(fname, fenc, fdp) | |
2858 char_u *fname; /* name of input file */ | |
2859 char_u *fenc; /* converted from */ | |
2860 int *fdp; /* in/out: file descriptor of file */ | |
2861 { | |
2862 char_u *tmpname; | |
2863 char_u *errmsg = NULL; | |
2864 | |
2865 tmpname = vim_tempname('r'); | |
2866 if (tmpname == NULL) | |
2867 errmsg = (char_u *)_("Can't find temp file for conversion"); | |
2868 else | |
2869 { | |
2870 close(*fdp); /* close the input file, ignore errors */ | |
2871 *fdp = -1; | |
2872 if (eval_charconvert(fenc, enc_utf8 ? (char_u *)"utf-8" : p_enc, | |
2873 fname, tmpname) == FAIL) | |
2874 errmsg = (char_u *)_("Conversion with 'charconvert' failed"); | |
2875 if (errmsg == NULL && (*fdp = mch_open((char *)tmpname, | |
2876 O_RDONLY | O_EXTRA, 0)) < 0) | |
2877 errmsg = (char_u *)_("can't read output of 'charconvert'"); | |
2878 } | |
2879 | |
2880 if (errmsg != NULL) | |
2881 { | |
2882 /* Don't use emsg(), it breaks mappings, the retry with | |
2883 * another type of conversion might still work. */ | |
2884 MSG(errmsg); | |
2885 if (tmpname != NULL) | |
2886 { | |
2887 mch_remove(tmpname); /* delete converted file */ | |
2888 vim_free(tmpname); | |
2889 tmpname = NULL; | |
2890 } | |
2891 } | |
2892 | |
2893 /* If the input file is closed, open it (caller should check for error). */ | |
2894 if (*fdp < 0) | |
2895 *fdp = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
2896 | |
2897 return tmpname; | |
2898 } | |
2899 # endif | |
2900 | |
2901 #endif | |
2902 | |
2903 #ifdef FEAT_VIMINFO | |
2904 /* | |
2905 * Read marks for the current buffer from the viminfo file, when we support | |
2906 * buffer marks and the buffer has a name. | |
2907 */ | |
2908 static void | |
2909 check_marks_read() | |
2910 { | |
2911 if (!curbuf->b_marks_read && get_viminfo_parameter('\'') > 0 | |
2912 && curbuf->b_ffname != NULL) | |
1733 | 2913 read_viminfo(NULL, VIF_WANT_MARKS); |
7 | 2914 |
2915 /* Always set b_marks_read; needed when 'viminfo' is changed to include | |
2916 * the ' parameter after opening a buffer. */ | |
2917 curbuf->b_marks_read = TRUE; | |
2918 } | |
2919 #endif | |
2920 | |
2239
732cb7b31956
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|
2921 #if defined(FEAT_CRYPT) || defined(PROTO) |
7 | 2922 /* |
2180
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|
2923 * Check for magic number used for encryption. Applies to the current buffer. |
7 | 2924 * If found, the magic number is removed from ptr[*sizep] and *sizep and |
2925 * *filesizep are updated. | |
2926 * Return the (new) encryption key, NULL for no encryption. | |
2927 */ | |
2928 static char_u * | |
2267 | 2929 check_for_cryptkey(cryptkey, ptr, sizep, filesizep, newfile, fname, did_ask) |
7 | 2930 char_u *cryptkey; /* previous encryption key or NULL */ |
2931 char_u *ptr; /* pointer to read bytes */ | |
2932 long *sizep; /* length of read bytes */ | |
2241
60da25e3aab7
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|
2933 off_t *filesizep; /* nr of bytes used from file */ |
7 | 2934 int newfile; /* editing a new buffer */ |
2267 | 2935 char_u *fname; /* file name to display */ |
2204
c493d6bfde09
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|
2936 int *did_ask; /* flag: whether already asked for key */ |
7 | 2937 { |
6122 | 2938 int method = crypt_method_nr_from_magic((char *)ptr, *sizep); |
5312 | 2939 int b_p_ro = curbuf->b_p_ro; |
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2940 |
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|
2941 if (method >= 0) |
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|
2942 { |
5312 | 2943 /* Mark the buffer as read-only until the decryption has taken place. |
2944 * Avoids accidentally overwriting the file with garbage. */ | |
2945 curbuf->b_p_ro = TRUE; | |
2946 | |
6130 | 2947 /* Set the cryptmethod local to the buffer. */ |
6122 | 2948 crypt_set_cm_option(curbuf, method); |
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|
2949 if (cryptkey == NULL && !*did_ask) |
7 | 2950 { |
2951 if (*curbuf->b_p_key) | |
2952 cryptkey = curbuf->b_p_key; | |
2953 else | |
2954 { | |
2180
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|
2955 /* When newfile is TRUE, store the typed key in the 'key' |
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|
2956 * option and don't free it. bf needs hash of the key saved. |
2204
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|
2957 * Don't ask for the key again when first time Enter was hit. |
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|
2958 * Happens when retrying to detect encoding. */ |
2267 | 2959 smsg((char_u *)_(need_key_msg), fname); |
2960 msg_scroll = TRUE; | |
6122 | 2961 cryptkey = crypt_get_key(newfile, FALSE); |
2204
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|
2962 *did_ask = TRUE; |
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diff
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|
2963 |
7 | 2964 /* check if empty key entered */ |
2965 if (cryptkey != NULL && *cryptkey == NUL) | |
2966 { | |
2967 if (cryptkey != curbuf->b_p_key) | |
2968 vim_free(cryptkey); | |
2969 cryptkey = NULL; | |
2970 } | |
2971 } | |
2972 } | |
2973 | |
2974 if (cryptkey != NULL) | |
2975 { | |
6122 | 2976 int header_len; |
2977 | |
2978 curbuf->b_cryptstate = crypt_create_from_header( | |
2979 method, cryptkey, ptr); | |
2980 crypt_set_cm_option(curbuf, method); | |
2981 | |
2982 /* Remove cryptmethod specific header from the text. */ | |
2983 header_len = crypt_get_header_len(method); | |
2984 *filesizep += header_len; | |
2985 *sizep -= header_len; | |
2986 mch_memmove(ptr, ptr + header_len, (size_t)*sizep); | |
2987 | |
5312 | 2988 /* Restore the read-only flag. */ |
2989 curbuf->b_p_ro = b_p_ro; | |
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2990 } |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2991 } |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2992 /* When starting to edit a new file which does not have encryption, clear |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2993 * the 'key' option, except when starting up (called with -x argument) */ |
2410
8f6106dd3d12
Fix: editing a not encrypted file after a crypted file messed up reading the
Bram Moolenaar <bram@vim.org>
parents:
2394
diff
changeset
|
2994 else if (newfile && *curbuf->b_p_key != NUL && !starting) |
7 | 2995 set_option_value((char_u *)"key", 0L, (char_u *)"", OPT_LOCAL); |
2996 | |
2997 return cryptkey; | |
2998 } | |
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2999 #endif /* FEAT_CRYPT */ |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3000 |
7 | 3001 #ifdef UNIX |
3002 static void | |
3003 set_file_time(fname, atime, mtime) | |
3004 char_u *fname; | |
3005 time_t atime; /* access time */ | |
3006 time_t mtime; /* modification time */ | |
3007 { | |
3008 # if defined(HAVE_UTIME) && defined(HAVE_UTIME_H) | |
3009 struct utimbuf buf; | |
3010 | |
3011 buf.actime = atime; | |
3012 buf.modtime = mtime; | |
3013 (void)utime((char *)fname, &buf); | |
3014 # else | |
3015 # if defined(HAVE_UTIMES) | |
3016 struct timeval tvp[2]; | |
3017 | |
3018 tvp[0].tv_sec = atime; | |
3019 tvp[0].tv_usec = 0; | |
3020 tvp[1].tv_sec = mtime; | |
3021 tvp[1].tv_usec = 0; | |
3022 # ifdef NeXT | |
3023 (void)utimes((char *)fname, tvp); | |
3024 # else | |
3025 (void)utimes((char *)fname, (const struct timeval *)&tvp); | |
3026 # endif | |
3027 # endif | |
3028 # endif | |
3029 } | |
3030 #endif /* UNIX */ | |
3031 | |
22 | 3032 #if defined(VMS) && !defined(MIN) |
3033 /* Older DECC compiler for VAX doesn't define MIN() */ | |
3034 # define MIN(a, b) ((a) < (b) ? (a) : (b)) | |
3035 #endif | |
3036 | |
7 | 3037 /* |
1303 | 3038 * Return TRUE if a file appears to be read-only from the file permissions. |
3039 */ | |
3040 int | |
3041 check_file_readonly(fname, perm) | |
3042 char_u *fname; /* full path to file */ | |
3043 int perm; /* known permissions on file */ | |
3044 { | |
3045 #ifndef USE_MCH_ACCESS | |
3046 int fd = 0; | |
3047 #endif | |
3048 | |
3049 return ( | |
3050 #ifdef USE_MCH_ACCESS | |
3051 # ifdef UNIX | |
3052 (perm & 0222) == 0 || | |
3053 # endif | |
3054 mch_access((char *)fname, W_OK) | |
3055 #else | |
3056 (fd = mch_open((char *)fname, O_RDWR | O_EXTRA, 0)) < 0 | |
3057 ? TRUE : (close(fd), FALSE) | |
3058 #endif | |
3059 ); | |
3060 } | |
3061 | |
3062 | |
3063 /* | |
589 | 3064 * buf_write() - write to file "fname" lines "start" through "end" |
7 | 3065 * |
3066 * We do our own buffering here because fwrite() is so slow. | |
3067 * | |
589 | 3068 * If "forceit" is true, we don't care for errors when attempting backups. |
3069 * In case of an error everything possible is done to restore the original | |
1698 | 3070 * file. But when "forceit" is TRUE, we risk losing it. |
589 | 3071 * |
3072 * When "reset_changed" is TRUE and "append" == FALSE and "start" == 1 and | |
3073 * "end" == curbuf->b_ml.ml_line_count, reset curbuf->b_changed. | |
7 | 3074 * |
3075 * This function must NOT use NameBuff (because it's called by autowrite()). | |
3076 * | |
3077 * return FAIL for failure, OK otherwise | |
3078 */ | |
3079 int | |
3080 buf_write(buf, fname, sfname, start, end, eap, append, forceit, | |
3081 reset_changed, filtering) | |
3082 buf_T *buf; | |
3083 char_u *fname; | |
3084 char_u *sfname; | |
3085 linenr_T start, end; | |
3086 exarg_T *eap; /* for forced 'ff' and 'fenc', can be | |
3087 NULL! */ | |
589 | 3088 int append; /* append to the file */ |
7 | 3089 int forceit; |
3090 int reset_changed; | |
3091 int filtering; | |
3092 { | |
3093 int fd; | |
3094 char_u *backup = NULL; | |
3095 int backup_copy = FALSE; /* copy the original file? */ | |
3096 int dobackup; | |
3097 char_u *ffname; | |
3098 char_u *wfname = NULL; /* name of file to write to */ | |
3099 char_u *s; | |
3100 char_u *ptr; | |
3101 char_u c; | |
3102 int len; | |
3103 linenr_T lnum; | |
3104 long nchars; | |
3105 char_u *errmsg = NULL; | |
1947 | 3106 int errmsg_allocated = FALSE; |
7 | 3107 char_u *errnum = NULL; |
3108 char_u *buffer; | |
3109 char_u smallbuf[SMBUFSIZE]; | |
3110 char_u *backup_ext; | |
3111 int bufsize; | |
3112 long perm; /* file permissions */ | |
3113 int retval = OK; | |
3114 int newfile = FALSE; /* TRUE if file doesn't exist yet */ | |
3115 int msg_save = msg_scroll; | |
3116 int overwriting; /* TRUE if writing over original */ | |
3117 int no_eol = FALSE; /* no end-of-line written */ | |
3118 int device = FALSE; /* writing to a device */ | |
3119 struct stat st_old; | |
3120 int prev_got_int = got_int; | |
3121 int file_readonly = FALSE; /* overwritten file is read-only */ | |
3122 static char *err_readonly = "is read-only (cannot override: \"W\" in 'cpoptions')"; | |
3123 #if defined(UNIX) || defined(__EMX__XX) /*XXX fix me sometime? */ | |
3124 int made_writable = FALSE; /* 'w' bit has been set */ | |
3125 #endif | |
3126 /* writing everything */ | |
3127 int whole = (start == 1 && end == buf->b_ml.ml_line_count); | |
3128 #ifdef FEAT_AUTOCMD | |
3129 linenr_T old_line_count = buf->b_ml.ml_line_count; | |
3130 #endif | |
3131 int attr; | |
3132 int fileformat; | |
3133 int write_bin; | |
3134 struct bw_info write_info; /* info for buf_write_bytes() */ | |
3135 #ifdef FEAT_MBYTE | |
3136 int converted = FALSE; | |
3137 int notconverted = FALSE; | |
3138 char_u *fenc; /* effective 'fileencoding' */ | |
3139 char_u *fenc_tofree = NULL; /* allocated "fenc" */ | |
3140 #endif | |
3141 #ifdef HAS_BW_FLAGS | |
3142 int wb_flags = 0; | |
3143 #endif | |
3144 #ifdef HAVE_ACL | |
3145 vim_acl_T acl = NULL; /* ACL copied from original file to | |
3146 backup or new file */ | |
3147 #endif | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
3148 #ifdef FEAT_PERSISTENT_UNDO |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
3149 int write_undo_file = FALSE; |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
3150 context_sha256_T sha_ctx; |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
3151 #endif |
7 | 3152 |
3153 if (fname == NULL || *fname == NUL) /* safety check */ | |
3154 return FAIL; | |
2028 | 3155 if (buf->b_ml.ml_mfp == NULL) |
3156 { | |
3157 /* This can happen during startup when there is a stray "w" in the | |
3158 * vimrc file. */ | |
3159 EMSG(_(e_emptybuf)); | |
3160 return FAIL; | |
3161 } | |
7 | 3162 |
3163 /* | |
3164 * Disallow writing from .exrc and .vimrc in current directory for | |
3165 * security reasons. | |
3166 */ | |
3167 if (check_secure()) | |
3168 return FAIL; | |
3169 | |
3170 /* Avoid a crash for a long name. */ | |
3171 if (STRLEN(fname) >= MAXPATHL) | |
3172 { | |
3173 EMSG(_(e_longname)); | |
3174 return FAIL; | |
3175 } | |
3176 | |
3177 #ifdef FEAT_MBYTE | |
3178 /* must init bw_conv_buf and bw_iconv_fd before jumping to "fail" */ | |
3179 write_info.bw_conv_buf = NULL; | |
3180 write_info.bw_conv_error = FALSE; | |
1947 | 3181 write_info.bw_conv_error_lnum = 0; |
7 | 3182 write_info.bw_restlen = 0; |
3183 # ifdef USE_ICONV | |
3184 write_info.bw_iconv_fd = (iconv_t)-1; | |
3185 # endif | |
3186 #endif | |
6122 | 3187 #ifdef FEAT_CRYPT |
3188 write_info.bw_buffer = buf; | |
3189 #endif | |
7 | 3190 |
167 | 3191 /* After writing a file changedtick changes but we don't want to display |
3192 * the line. */ | |
3193 ex_no_reprint = TRUE; | |
3194 | |
7 | 3195 /* |
3196 * If there is no file name yet, use the one for the written file. | |
3197 * BF_NOTEDITED is set to reflect this (in case the write fails). | |
3198 * Don't do this when the write is for a filter command. | |
589 | 3199 * Don't do this when appending. |
3200 * Only do this when 'cpoptions' contains the 'F' flag. | |
7 | 3201 */ |
633 | 3202 if (buf->b_ffname == NULL |
3203 && reset_changed | |
7 | 3204 && whole |
3205 && buf == curbuf | |
236 | 3206 #ifdef FEAT_QUICKFIX |
3207 && !bt_nofile(buf) | |
3208 #endif | |
7 | 3209 && !filtering |
589 | 3210 && (!append || vim_strchr(p_cpo, CPO_FNAMEAPP) != NULL) |
7 | 3211 && vim_strchr(p_cpo, CPO_FNAMEW) != NULL) |
3212 { | |
633 | 3213 if (set_rw_fname(fname, sfname) == FAIL) |
7 | 3214 return FAIL; |
633 | 3215 buf = curbuf; /* just in case autocmds made "buf" invalid */ |
7 | 3216 } |
3217 | |
3218 if (sfname == NULL) | |
3219 sfname = fname; | |
3220 /* | |
3221 * For Unix: Use the short file name whenever possible. | |
3222 * Avoids problems with networks and when directory names are changed. | |
3223 * Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to | |
3224 * another directory, which we don't detect | |
3225 */ | |
3226 ffname = fname; /* remember full fname */ | |
3227 #ifdef UNIX | |
3228 fname = sfname; | |
3229 #endif | |
3230 | |
3231 if (buf->b_ffname != NULL && fnamecmp(ffname, buf->b_ffname) == 0) | |
3232 overwriting = TRUE; | |
3233 else | |
3234 overwriting = FALSE; | |
3235 | |
3236 if (exiting) | |
4352 | 3237 settmode(TMODE_COOK); /* when exiting allow typeahead now */ |
7 | 3238 |
3239 ++no_wait_return; /* don't wait for return yet */ | |
3240 | |
3241 /* | |
3242 * Set '[ and '] marks to the lines to be written. | |
3243 */ | |
3244 buf->b_op_start.lnum = start; | |
3245 buf->b_op_start.col = 0; | |
3246 buf->b_op_end.lnum = end; | |
3247 buf->b_op_end.col = 0; | |
3248 | |
3249 #ifdef FEAT_AUTOCMD | |
3250 { | |
3251 aco_save_T aco; | |
3252 int buf_ffname = FALSE; | |
3253 int buf_sfname = FALSE; | |
3254 int buf_fname_f = FALSE; | |
3255 int buf_fname_s = FALSE; | |
3256 int did_cmd = FALSE; | |
17 | 3257 int nofile_err = FALSE; |
161 | 3258 int empty_memline = (buf->b_ml.ml_mfp == NULL); |
7 | 3259 |
3260 /* | |
4352 | 3261 * Apply PRE autocommands. |
7 | 3262 * Set curbuf to the buffer to be written. |
3263 * Careful: The autocommands may call buf_write() recursively! | |
3264 */ | |
3265 if (ffname == buf->b_ffname) | |
3266 buf_ffname = TRUE; | |
3267 if (sfname == buf->b_sfname) | |
3268 buf_sfname = TRUE; | |
3269 if (fname == buf->b_ffname) | |
3270 buf_fname_f = TRUE; | |
3271 if (fname == buf->b_sfname) | |
3272 buf_fname_s = TRUE; | |
3273 | |
3274 /* set curwin/curbuf to buf and save a few things */ | |
3275 aucmd_prepbuf(&aco, buf); | |
3276 | |
3277 if (append) | |
3278 { | |
3279 if (!(did_cmd = apply_autocmds_exarg(EVENT_FILEAPPENDCMD, | |
3280 sfname, sfname, FALSE, curbuf, eap))) | |
17 | 3281 { |
635 | 3282 #ifdef FEAT_QUICKFIX |
18 | 3283 if (overwriting && bt_nofile(curbuf)) |
17 | 3284 nofile_err = TRUE; |
3285 else | |
635 | 3286 #endif |
17 | 3287 apply_autocmds_exarg(EVENT_FILEAPPENDPRE, |
7 | 3288 sfname, sfname, FALSE, curbuf, eap); |
17 | 3289 } |
7 | 3290 } |
3291 else if (filtering) | |
3292 { | |
3293 apply_autocmds_exarg(EVENT_FILTERWRITEPRE, | |
3294 NULL, sfname, FALSE, curbuf, eap); | |
3295 } | |
3296 else if (reset_changed && whole) | |
3297 { | |
3036 | 3298 int was_changed = curbufIsChanged(); |
3299 | |
3300 did_cmd = apply_autocmds_exarg(EVENT_BUFWRITECMD, | |
3301 sfname, sfname, FALSE, curbuf, eap); | |
3302 if (did_cmd) | |
3303 { | |
3304 if (was_changed && !curbufIsChanged()) | |
3305 { | |
3306 /* Written everything correctly and BufWriteCmd has reset | |
3307 * 'modified': Correct the undo information so that an | |
3308 * undo now sets 'modified'. */ | |
3309 u_unchanged(curbuf); | |
3310 u_update_save_nr(curbuf); | |
3311 } | |
3312 } | |
3313 else | |
17 | 3314 { |
635 | 3315 #ifdef FEAT_QUICKFIX |
179 | 3316 if (overwriting && bt_nofile(curbuf)) |
17 | 3317 nofile_err = TRUE; |
3318 else | |
635 | 3319 #endif |
17 | 3320 apply_autocmds_exarg(EVENT_BUFWRITEPRE, |
7 | 3321 sfname, sfname, FALSE, curbuf, eap); |
17 | 3322 } |
7 | 3323 } |
3324 else | |
3325 { | |
3326 if (!(did_cmd = apply_autocmds_exarg(EVENT_FILEWRITECMD, | |
3327 sfname, sfname, FALSE, curbuf, eap))) | |
17 | 3328 { |
635 | 3329 #ifdef FEAT_QUICKFIX |
179 | 3330 if (overwriting && bt_nofile(curbuf)) |
17 | 3331 nofile_err = TRUE; |
3332 else | |
635 | 3333 #endif |
17 | 3334 apply_autocmds_exarg(EVENT_FILEWRITEPRE, |
7 | 3335 sfname, sfname, FALSE, curbuf, eap); |
17 | 3336 } |
7 | 3337 } |
3338 | |
3339 /* restore curwin/curbuf and a few other things */ | |
3340 aucmd_restbuf(&aco); | |
3341 | |
3342 /* | |
3343 * In three situations we return here and don't write the file: | |
3344 * 1. the autocommands deleted or unloaded the buffer. | |
3345 * 2. The autocommands abort script processing. | |
3346 * 3. If one of the "Cmd" autocommands was executed. | |
3347 */ | |
3348 if (!buf_valid(buf)) | |
3349 buf = NULL; | |
161 | 3350 if (buf == NULL || (buf->b_ml.ml_mfp == NULL && !empty_memline) |
532 | 3351 || did_cmd || nofile_err |
3352 #ifdef FEAT_EVAL | |
3353 || aborting() | |
3354 #endif | |
3355 ) | |
7 | 3356 { |
3357 --no_wait_return; | |
3358 msg_scroll = msg_save; | |
17 | 3359 if (nofile_err) |
3360 EMSG(_("E676: No matching autocommands for acwrite buffer")); | |
3361 | |
532 | 3362 if (nofile_err |
3363 #ifdef FEAT_EVAL | |
3364 || aborting() | |
3365 #endif | |
3366 ) | |
7 | 3367 /* An aborting error, interrupt or exception in the |
3368 * autocommands. */ | |
3369 return FAIL; | |
3370 if (did_cmd) | |
3371 { | |
3372 if (buf == NULL) | |
3373 /* The buffer was deleted. We assume it was written | |
3374 * (can't retry anyway). */ | |
3375 return OK; | |
3376 if (overwriting) | |
3377 { | |
3378 /* Assume the buffer was written, update the timestamp. */ | |
3379 ml_timestamp(buf); | |
589 | 3380 if (append) |
3381 buf->b_flags &= ~BF_NEW; | |
3382 else | |
3383 buf->b_flags &= ~BF_WRITE_MASK; | |
7 | 3384 } |
589 | 3385 if (reset_changed && buf->b_changed && !append |
39 | 3386 && (overwriting || vim_strchr(p_cpo, CPO_PLUS) != NULL)) |
7 | 3387 /* Buffer still changed, the autocommands didn't work |
3388 * properly. */ | |
3389 return FAIL; | |
3390 return OK; | |
3391 } | |
3392 #ifdef FEAT_EVAL | |
3393 if (!aborting()) | |
3394 #endif | |
3395 EMSG(_("E203: Autocommands deleted or unloaded buffer to be written")); | |
3396 return FAIL; | |
3397 } | |
3398 | |
3399 /* | |
3400 * The autocommands may have changed the number of lines in the file. | |
3401 * When writing the whole file, adjust the end. | |
3402 * When writing part of the file, assume that the autocommands only | |
3403 * changed the number of lines that are to be written (tricky!). | |
3404 */ | |
3405 if (buf->b_ml.ml_line_count != old_line_count) | |
3406 { | |
3407 if (whole) /* write all */ | |
3408 end = buf->b_ml.ml_line_count; | |
3409 else if (buf->b_ml.ml_line_count > old_line_count) /* more lines */ | |
3410 end += buf->b_ml.ml_line_count - old_line_count; | |
3411 else /* less lines */ | |
3412 { | |
3413 end -= old_line_count - buf->b_ml.ml_line_count; | |
3414 if (end < start) | |
3415 { | |
3416 --no_wait_return; | |
3417 msg_scroll = msg_save; | |
3418 EMSG(_("E204: Autocommand changed number of lines in unexpected way")); | |
3419 return FAIL; | |
3420 } | |
3421 } | |
3422 } | |
3423 | |
3424 /* | |
3425 * The autocommands may have changed the name of the buffer, which may | |
3426 * be kept in fname, ffname and sfname. | |
3427 */ | |
3428 if (buf_ffname) | |
3429 ffname = buf->b_ffname; | |
3430 if (buf_sfname) | |
3431 sfname = buf->b_sfname; | |
3432 if (buf_fname_f) | |
3433 fname = buf->b_ffname; | |
3434 if (buf_fname_s) | |
3435 fname = buf->b_sfname; | |
3436 } | |
3437 #endif | |
3438 | |
3439 #ifdef FEAT_NETBEANS_INTG | |
2210 | 3440 if (netbeans_active() && isNetbeansBuffer(buf)) |
7 | 3441 { |
3442 if (whole) | |
3443 { | |
3444 /* | |
3445 * b_changed can be 0 after an undo, but we still need to write | |
3446 * the buffer to NetBeans. | |
3447 */ | |
3448 if (buf->b_changed || isNetbeansModified(buf)) | |
3449 { | |
33 | 3450 --no_wait_return; /* may wait for return now */ |
3451 msg_scroll = msg_save; | |
3452 netbeans_save_buffer(buf); /* no error checking... */ | |
7 | 3453 return retval; |
3454 } | |
3455 else | |
3456 { | |
3457 errnum = (char_u *)"E656: "; | |
1653 | 3458 errmsg = (char_u *)_("NetBeans disallows writes of unmodified buffers"); |
7 | 3459 buffer = NULL; |
3460 goto fail; | |
3461 } | |
3462 } | |
3463 else | |
3464 { | |
3465 errnum = (char_u *)"E657: "; | |
3466 errmsg = (char_u *)_("Partial writes disallowed for NetBeans buffers"); | |
3467 buffer = NULL; | |
3468 goto fail; | |
3469 } | |
3470 } | |
3471 #endif | |
3472 | |
3473 if (shortmess(SHM_OVER) && !exiting) | |
3474 msg_scroll = FALSE; /* overwrite previous file message */ | |
3475 else | |
3476 msg_scroll = TRUE; /* don't overwrite previous file message */ | |
3477 if (!filtering) | |
3478 filemess(buf, | |
3479 #ifndef UNIX | |
3480 sfname, | |
3481 #else | |
3482 fname, | |
3483 #endif | |
3484 (char_u *)"", 0); /* show that we are busy */ | |
3485 msg_scroll = FALSE; /* always overwrite the file message now */ | |
3486 | |
3487 buffer = alloc(BUFSIZE); | |
3488 if (buffer == NULL) /* can't allocate big buffer, use small | |
3489 * one (to be able to write when out of | |
3490 * memory) */ | |
3491 { | |
3492 buffer = smallbuf; | |
3493 bufsize = SMBUFSIZE; | |
3494 } | |
3495 else | |
3496 bufsize = BUFSIZE; | |
3497 | |
3498 /* | |
3499 * Get information about original file (if there is one). | |
3500 */ | |
3501 #if defined(UNIX) && !defined(ARCHIE) | |
1438 | 3502 st_old.st_dev = 0; |
3503 st_old.st_ino = 0; | |
7 | 3504 perm = -1; |
3505 if (mch_stat((char *)fname, &st_old) < 0) | |
3506 newfile = TRUE; | |
3507 else | |
3508 { | |
3509 perm = st_old.st_mode; | |
3510 if (!S_ISREG(st_old.st_mode)) /* not a file */ | |
3511 { | |
3512 if (S_ISDIR(st_old.st_mode)) | |
3513 { | |
3514 errnum = (char_u *)"E502: "; | |
3515 errmsg = (char_u *)_("is a directory"); | |
3516 goto fail; | |
3517 } | |
3518 if (mch_nodetype(fname) != NODE_WRITABLE) | |
3519 { | |
3520 errnum = (char_u *)"E503: "; | |
3521 errmsg = (char_u *)_("is not a file or writable device"); | |
3522 goto fail; | |
3523 } | |
3524 /* It's a device of some kind (or a fifo) which we can write to | |
3525 * but for which we can't make a backup. */ | |
3526 device = TRUE; | |
3527 newfile = TRUE; | |
3528 perm = -1; | |
3529 } | |
3530 } | |
3531 #else /* !UNIX */ | |
3532 /* | |
3533 * Check for a writable device name. | |
3534 */ | |
3535 c = mch_nodetype(fname); | |
3536 if (c == NODE_OTHER) | |
3537 { | |
3538 errnum = (char_u *)"E503: "; | |
3539 errmsg = (char_u *)_("is not a file or writable device"); | |
3540 goto fail; | |
3541 } | |
3542 if (c == NODE_WRITABLE) | |
3543 { | |
1004 | 3544 # if defined(MSDOS) || defined(MSWIN) || defined(OS2) |
3545 /* MS-Windows allows opening a device, but we will probably get stuck | |
3546 * trying to write to it. */ | |
3547 if (!p_odev) | |
3548 { | |
3549 errnum = (char_u *)"E796: "; | |
3550 errmsg = (char_u *)_("writing to device disabled with 'opendevice' option"); | |
3551 goto fail; | |
3552 } | |
3553 # endif | |
7 | 3554 device = TRUE; |
3555 newfile = TRUE; | |
3556 perm = -1; | |
3557 } | |
3558 else | |
3559 { | |
3560 perm = mch_getperm(fname); | |
3561 if (perm < 0) | |
3562 newfile = TRUE; | |
3563 else if (mch_isdir(fname)) | |
3564 { | |
3565 errnum = (char_u *)"E502: "; | |
3566 errmsg = (char_u *)_("is a directory"); | |
3567 goto fail; | |
3568 } | |
3569 if (overwriting) | |
3570 (void)mch_stat((char *)fname, &st_old); | |
3571 } | |
3572 #endif /* !UNIX */ | |
3573 | |
3574 if (!device && !newfile) | |
3575 { | |
3576 /* | |
3577 * Check if the file is really writable (when renaming the file to | |
3578 * make a backup we won't discover it later). | |
3579 */ | |
1303 | 3580 file_readonly = check_file_readonly(fname, (int)perm); |
3581 | |
7 | 3582 if (!forceit && file_readonly) |
3583 { | |
3584 if (vim_strchr(p_cpo, CPO_FWRITE) != NULL) | |
3585 { | |
3586 errnum = (char_u *)"E504: "; | |
3587 errmsg = (char_u *)_(err_readonly); | |
3588 } | |
3589 else | |
3590 { | |
3591 errnum = (char_u *)"E505: "; | |
3592 errmsg = (char_u *)_("is read-only (add ! to override)"); | |
3593 } | |
3594 goto fail; | |
3595 } | |
3596 | |
3597 /* | |
3598 * Check if the timestamp hasn't changed since reading the file. | |
3599 */ | |
3600 if (overwriting) | |
3601 { | |
3602 retval = check_mtime(buf, &st_old); | |
3603 if (retval == FAIL) | |
3604 goto fail; | |
3605 } | |
3606 } | |
3607 | |
3608 #ifdef HAVE_ACL | |
3609 /* | |
3610 * For systems that support ACL: get the ACL from the original file. | |
3611 */ | |
3612 if (!newfile) | |
3613 acl = mch_get_acl(fname); | |
3614 #endif | |
3615 | |
3616 /* | |
3617 * If 'backupskip' is not empty, don't make a backup for some files. | |
3618 */ | |
3619 dobackup = (p_wb || p_bk || *p_pm != NUL); | |
3620 #ifdef FEAT_WILDIGN | |
3621 if (dobackup && *p_bsk != NUL && match_file_list(p_bsk, sfname, ffname)) | |
3622 dobackup = FALSE; | |
3623 #endif | |
3624 | |
3625 /* | |
3626 * Save the value of got_int and reset it. We don't want a previous | |
3627 * interruption cancel writing, only hitting CTRL-C while writing should | |
3628 * abort it. | |
3629 */ | |
3630 prev_got_int = got_int; | |
3631 got_int = FALSE; | |
3632 | |
3633 /* Mark the buffer as 'being saved' to prevent changed buffer warnings */ | |
3634 buf->b_saving = TRUE; | |
3635 | |
3636 /* | |
3637 * If we are not appending or filtering, the file exists, and the | |
3638 * 'writebackup', 'backup' or 'patchmode' option is set, need a backup. | |
3639 * When 'patchmode' is set also make a backup when appending. | |
3640 * | |
3641 * Do not make any backup, if 'writebackup' and 'backup' are both switched | |
3642 * off. This helps when editing large files on almost-full disks. | |
3643 */ | |
3644 if (!(append && *p_pm == NUL) && !filtering && perm >= 0 && dobackup) | |
3645 { | |
3646 #if defined(UNIX) || defined(WIN32) | |
3647 struct stat st; | |
3648 #endif | |
3649 | |
3650 if ((bkc_flags & BKC_YES) || append) /* "yes" */ | |
3651 backup_copy = TRUE; | |
3652 #if defined(UNIX) || defined(WIN32) | |
3653 else if ((bkc_flags & BKC_AUTO)) /* "auto" */ | |
3654 { | |
3655 int i; | |
3656 | |
3657 # ifdef UNIX | |
3658 /* | |
3659 * Don't rename the file when: | |
3660 * - it's a hard link | |
3661 * - it's a symbolic link | |
3662 * - we don't have write permission in the directory | |
3663 * - we can't set the owner/group of the new file | |
3664 */ | |
3665 if (st_old.st_nlink > 1 | |
3666 || mch_lstat((char *)fname, &st) < 0 | |
3667 || st.st_dev != st_old.st_dev | |
557 | 3668 || st.st_ino != st_old.st_ino |
3669 # ifndef HAVE_FCHOWN | |
3670 || st.st_uid != st_old.st_uid | |
3671 || st.st_gid != st_old.st_gid | |
3672 # endif | |
3673 ) | |
7 | 3674 backup_copy = TRUE; |
3675 else | |
696 | 3676 # else |
3677 # ifdef WIN32 | |
3678 /* On NTFS file systems hard links are possible. */ | |
3679 if (mch_is_linked(fname)) | |
3680 backup_copy = TRUE; | |
3681 else | |
3682 # endif | |
7 | 3683 # endif |
3684 { | |
3685 /* | |
3686 * Check if we can create a file and set the owner/group to | |
3687 * the ones from the original file. | |
3688 * First find a file name that doesn't exist yet (use some | |
3689 * arbitrary numbers). | |
3690 */ | |
3691 STRCPY(IObuff, fname); | |
3692 for (i = 4913; ; i += 123) | |
3693 { | |
3694 sprintf((char *)gettail(IObuff), "%d", i); | |
557 | 3695 if (mch_lstat((char *)IObuff, &st) < 0) |
7 | 3696 break; |
3697 } | |
557 | 3698 fd = mch_open((char *)IObuff, |
3699 O_CREAT|O_WRONLY|O_EXCL|O_NOFOLLOW, perm); | |
7 | 3700 if (fd < 0) /* can't write in directory */ |
3701 backup_copy = TRUE; | |
3702 else | |
3703 { | |
3704 # ifdef UNIX | |
557 | 3705 # ifdef HAVE_FCHOWN |
1757 | 3706 ignored = fchown(fd, st_old.st_uid, st_old.st_gid); |
557 | 3707 # endif |
7 | 3708 if (mch_stat((char *)IObuff, &st) < 0 |
3709 || st.st_uid != st_old.st_uid | |
3710 || st.st_gid != st_old.st_gid | |
1877 | 3711 || (long)st.st_mode != perm) |
7 | 3712 backup_copy = TRUE; |
3713 # endif | |
567 | 3714 /* Close the file before removing it, on MS-Windows we |
3715 * can't delete an open file. */ | |
3716 close(fd); | |
7 | 3717 mch_remove(IObuff); |
2523
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3718 # ifdef MSWIN |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3719 /* MS-Windows may trigger a virus scanner to open the |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3720 * file, we can't delete it then. Keep trying for half a |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3721 * second. */ |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3722 { |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3723 int try; |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3724 |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3725 for (try = 0; try < 10; ++try) |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3726 { |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3727 if (mch_lstat((char *)IObuff, &st) < 0) |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3728 break; |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3729 ui_delay(50L, TRUE); /* wait 50 msec */ |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3730 mch_remove(IObuff); |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3731 } |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3732 } |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3733 # endif |
7 | 3734 } |
3735 } | |
3736 } | |
3737 | |
3738 /* | |
3739 * Break symlinks and/or hardlinks if we've been asked to. | |
3740 */ | |
3741 if ((bkc_flags & BKC_BREAKSYMLINK) || (bkc_flags & BKC_BREAKHARDLINK)) | |
3742 { | |
4872
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3743 # ifdef UNIX |
7 | 3744 int lstat_res; |
3745 | |
3746 lstat_res = mch_lstat((char *)fname, &st); | |
3747 | |
3748 /* Symlinks. */ | |
3749 if ((bkc_flags & BKC_BREAKSYMLINK) | |
3750 && lstat_res == 0 | |
3751 && st.st_ino != st_old.st_ino) | |
3752 backup_copy = FALSE; | |
3753 | |
3754 /* Hardlinks. */ | |
3755 if ((bkc_flags & BKC_BREAKHARDLINK) | |
3756 && st_old.st_nlink > 1 | |
3757 && (lstat_res != 0 || st.st_ino == st_old.st_ino)) | |
3758 backup_copy = FALSE; | |
4872
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3759 # else |
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3760 # if defined(WIN32) |
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3761 /* Symlinks. */ |
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3762 if ((bkc_flags & BKC_BREAKSYMLINK) && mch_is_symbolic_link(fname)) |
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3763 backup_copy = FALSE; |
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3764 |
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3765 /* Hardlinks. */ |
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3766 if ((bkc_flags & BKC_BREAKHARDLINK) && mch_is_hard_link(fname)) |
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3767 backup_copy = FALSE; |
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3768 # endif |
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3769 # endif |
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3770 } |
7 | 3771 |
3772 #endif | |
3773 | |
3774 /* make sure we have a valid backup extension to use */ | |
3775 if (*p_bex == NUL) | |
3776 backup_ext = (char_u *)".bak"; | |
3777 else | |
3778 backup_ext = p_bex; | |
3779 | |
3780 if (backup_copy | |
3781 && (fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0)) >= 0) | |
3782 { | |
3783 int bfd; | |
3784 char_u *copybuf, *wp; | |
3785 int some_error = FALSE; | |
3786 struct stat st_new; | |
3787 char_u *dirp; | |
3788 char_u *rootname; | |
344 | 3789 #if defined(UNIX) && !defined(SHORT_FNAME) |
7 | 3790 int did_set_shortname; |
3791 #endif | |
3792 | |
3793 copybuf = alloc(BUFSIZE + 1); | |
3794 if (copybuf == NULL) | |
3795 { | |
3796 some_error = TRUE; /* out of memory */ | |
3797 goto nobackup; | |
3798 } | |
3799 | |
3800 /* | |
3801 * Try to make the backup in each directory in the 'bdir' option. | |
3802 * | |
3803 * Unix semantics has it, that we may have a writable file, | |
3804 * that cannot be recreated with a simple open(..., O_CREAT, ) e.g: | |
3805 * - the directory is not writable, | |
3806 * - the file may be a symbolic link, | |
3807 * - the file may belong to another user/group, etc. | |
3808 * | |
3809 * For these reasons, the existing writable file must be truncated | |
3810 * and reused. Creation of a backup COPY will be attempted. | |
3811 */ | |
3812 dirp = p_bdir; | |
3813 while (*dirp) | |
3814 { | |
3815 #ifdef UNIX | |
3816 st_new.st_ino = 0; | |
3817 st_new.st_dev = 0; | |
3818 st_new.st_gid = 0; | |
3819 #endif | |
3820 | |
3821 /* | |
3822 * Isolate one directory name, using an entry in 'bdir'. | |
3823 */ | |
3824 (void)copy_option_part(&dirp, copybuf, BUFSIZE, ","); | |
3825 rootname = get_file_in_dir(fname, copybuf); | |
3826 if (rootname == NULL) | |
3827 { | |
3828 some_error = TRUE; /* out of memory */ | |
3829 goto nobackup; | |
3830 } | |
3831 | |
344 | 3832 #if defined(UNIX) && !defined(SHORT_FNAME) |
7 | 3833 did_set_shortname = FALSE; |
3834 #endif | |
3835 | |
3836 /* | |
3837 * May try twice if 'shortname' not set. | |
3838 */ | |
3839 for (;;) | |
3840 { | |
3841 /* | |
3842 * Make backup file name. | |
3843 */ | |
3844 backup = buf_modname( | |
3845 #ifdef SHORT_FNAME | |
3846 TRUE, | |
3847 #else | |
3848 (buf->b_p_sn || buf->b_shortname), | |
3849 #endif | |
3850 rootname, backup_ext, FALSE); | |
3851 if (backup == NULL) | |
3852 { | |
3853 vim_free(rootname); | |
3854 some_error = TRUE; /* out of memory */ | |
3855 goto nobackup; | |
3856 } | |
3857 | |
3858 /* | |
3859 * Check if backup file already exists. | |
3860 */ | |
3861 if (mch_stat((char *)backup, &st_new) >= 0) | |
3862 { | |
3863 #ifdef UNIX | |
3864 /* | |
3865 * Check if backup file is same as original file. | |
3866 * May happen when modname() gave the same file back. | |
3867 * E.g. silly link, or file name-length reached. | |
3868 * If we don't check here, we either ruin the file | |
3869 * when copying or erase it after writing. jw. | |
3870 */ | |
3871 if (st_new.st_dev == st_old.st_dev | |
3872 && st_new.st_ino == st_old.st_ino) | |
3873 { | |
3874 vim_free(backup); | |
3875 backup = NULL; /* no backup file to delete */ | |
3876 # ifndef SHORT_FNAME | |
3877 /* | |
3878 * may try again with 'shortname' set | |
3879 */ | |
3880 if (!(buf->b_shortname || buf->b_p_sn)) | |
3881 { | |
3882 buf->b_shortname = TRUE; | |
3883 did_set_shortname = TRUE; | |
3884 continue; | |
3885 } | |
3886 /* setting shortname didn't help */ | |
3887 if (did_set_shortname) | |
3888 buf->b_shortname = FALSE; | |
3889 # endif | |
3890 break; | |
3891 } | |
3892 #endif | |
3893 | |
3894 /* | |
3895 * If we are not going to keep the backup file, don't | |
3896 * delete an existing one, try to use another name. | |
3897 * Change one character, just before the extension. | |
3898 */ | |
3899 if (!p_bk) | |
3900 { | |
3901 wp = backup + STRLEN(backup) - 1 | |
3902 - STRLEN(backup_ext); | |
3903 if (wp < backup) /* empty file name ??? */ | |
3904 wp = backup; | |
3905 *wp = 'z'; | |
3906 while (*wp > 'a' | |
3907 && mch_stat((char *)backup, &st_new) >= 0) | |
3908 --*wp; | |
3909 /* They all exist??? Must be something wrong. */ | |
3910 if (*wp == 'a') | |
3911 { | |
3912 vim_free(backup); | |
3913 backup = NULL; | |
3914 } | |
3915 } | |
3916 } | |
3917 break; | |
3918 } | |
3919 vim_free(rootname); | |
3920 | |
3921 /* | |
3922 * Try to create the backup file | |
3923 */ | |
3924 if (backup != NULL) | |
3925 { | |
3926 /* remove old backup, if present */ | |
3927 mch_remove(backup); | |
3928 /* Open with O_EXCL to avoid the file being created while | |
3929 * we were sleeping (symlink hacker attack?) */ | |
3930 bfd = mch_open((char *)backup, | |
557 | 3931 O_WRONLY|O_CREAT|O_EXTRA|O_EXCL|O_NOFOLLOW, |
3932 perm & 0777); | |
7 | 3933 if (bfd < 0) |
3934 { | |
3935 vim_free(backup); | |
3936 backup = NULL; | |
3937 } | |
3938 else | |
3939 { | |
3940 /* set file protection same as original file, but | |
3941 * strip s-bit */ | |
3942 (void)mch_setperm(backup, perm & 0777); | |
3943 | |
3944 #ifdef UNIX | |
3945 /* | |
3946 * Try to set the group of the backup same as the | |
3947 * original file. If this fails, set the protection | |
3948 * bits for the group same as the protection bits for | |
3949 * others. | |
3950 */ | |
557 | 3951 if (st_new.st_gid != st_old.st_gid |
7 | 3952 # ifdef HAVE_FCHOWN /* sequent-ptx lacks fchown() */ |
557 | 3953 && fchown(bfd, (uid_t)-1, st_old.st_gid) != 0 |
7 | 3954 # endif |
3955 ) | |
3956 mch_setperm(backup, | |
3957 (perm & 0707) | ((perm & 07) << 3)); | |
5788 | 3958 # if defined(HAVE_SELINUX) || defined(HAVE_SMACK) |
1583 | 3959 mch_copy_sec(fname, backup); |
3960 # endif | |
7 | 3961 #endif |
3962 | |
3963 /* | |
3964 * copy the file. | |
3965 */ | |
3966 write_info.bw_fd = bfd; | |
3967 write_info.bw_buf = copybuf; | |
3968 #ifdef HAS_BW_FLAGS | |
3969 write_info.bw_flags = FIO_NOCONVERT; | |
3970 #endif | |
2664 | 3971 while ((write_info.bw_len = read_eintr(fd, copybuf, |
7 | 3972 BUFSIZE)) > 0) |
3973 { | |
3974 if (buf_write_bytes(&write_info) == FAIL) | |
3975 { | |
3976 errmsg = (char_u *)_("E506: Can't write to backup file (add ! to override)"); | |
3977 break; | |
3978 } | |
3979 ui_breakcheck(); | |
3980 if (got_int) | |
3981 { | |
3982 errmsg = (char_u *)_(e_interr); | |
3983 break; | |
3984 } | |
3985 } | |
3986 | |
3987 if (close(bfd) < 0 && errmsg == NULL) | |
3988 errmsg = (char_u *)_("E507: Close error for backup file (add ! to override)"); | |
3989 if (write_info.bw_len < 0) | |
3990 errmsg = (char_u *)_("E508: Can't read file for backup (add ! to override)"); | |
3991 #ifdef UNIX | |
3992 set_file_time(backup, st_old.st_atime, st_old.st_mtime); | |
3993 #endif | |
3994 #ifdef HAVE_ACL | |
3995 mch_set_acl(backup, acl); | |
3996 #endif | |
5788 | 3997 #if defined(HAVE_SELINUX) || defined(HAVE_SMACK) |
1583 | 3998 mch_copy_sec(fname, backup); |
3999 #endif | |
7 | 4000 break; |
4001 } | |
4002 } | |
4003 } | |
4004 nobackup: | |
4005 close(fd); /* ignore errors for closing read file */ | |
4006 vim_free(copybuf); | |
4007 | |
4008 if (backup == NULL && errmsg == NULL) | |
4009 errmsg = (char_u *)_("E509: Cannot create backup file (add ! to override)"); | |
4010 /* ignore errors when forceit is TRUE */ | |
4011 if ((some_error || errmsg != NULL) && !forceit) | |
4012 { | |
4013 retval = FAIL; | |
4014 goto fail; | |
4015 } | |
4016 errmsg = NULL; | |
4017 } | |
4018 else | |
4019 { | |
4020 char_u *dirp; | |
4021 char_u *p; | |
4022 char_u *rootname; | |
4023 | |
4024 /* | |
4025 * Make a backup by renaming the original file. | |
4026 */ | |
4027 /* | |
4028 * If 'cpoptions' includes the "W" flag, we don't want to | |
4029 * overwrite a read-only file. But rename may be possible | |
4030 * anyway, thus we need an extra check here. | |
4031 */ | |
4032 if (file_readonly && vim_strchr(p_cpo, CPO_FWRITE) != NULL) | |
4033 { | |
4034 errnum = (char_u *)"E504: "; | |
4035 errmsg = (char_u *)_(err_readonly); | |
4036 goto fail; | |
4037 } | |
4038 | |
4039 /* | |
4040 * | |
4041 * Form the backup file name - change path/fo.o.h to | |
4042 * path/fo.o.h.bak Try all directories in 'backupdir', first one | |
4043 * that works is used. | |
4044 */ | |
4045 dirp = p_bdir; | |
4046 while (*dirp) | |
4047 { | |
4048 /* | |
4049 * Isolate one directory name and make the backup file name. | |
4050 */ | |
4051 (void)copy_option_part(&dirp, IObuff, IOSIZE, ","); | |
4052 rootname = get_file_in_dir(fname, IObuff); | |
4053 if (rootname == NULL) | |
4054 backup = NULL; | |
4055 else | |
4056 { | |
4057 backup = buf_modname( | |
4058 #ifdef SHORT_FNAME | |
4059 TRUE, | |
4060 #else | |
4061 (buf->b_p_sn || buf->b_shortname), | |
4062 #endif | |
4063 rootname, backup_ext, FALSE); | |
4064 vim_free(rootname); | |
4065 } | |
4066 | |
4067 if (backup != NULL) | |
4068 { | |
4069 /* | |
4070 * If we are not going to keep the backup file, don't | |
4071 * delete an existing one, try to use another name. | |
4072 * Change one character, just before the extension. | |
4073 */ | |
4074 if (!p_bk && mch_getperm(backup) >= 0) | |
4075 { | |
4076 p = backup + STRLEN(backup) - 1 - STRLEN(backup_ext); | |
4077 if (p < backup) /* empty file name ??? */ | |
4078 p = backup; | |
4079 *p = 'z'; | |
4080 while (*p > 'a' && mch_getperm(backup) >= 0) | |
4081 --*p; | |
4082 /* They all exist??? Must be something wrong! */ | |
4083 if (*p == 'a') | |
4084 { | |
4085 vim_free(backup); | |
4086 backup = NULL; | |
4087 } | |
4088 } | |
4089 } | |
4090 if (backup != NULL) | |
4091 { | |
4092 /* | |
531 | 4093 * Delete any existing backup and move the current version |
4094 * to the backup. For safety, we don't remove the backup | |
4095 * until the write has finished successfully. And if the | |
4096 * 'backup' option is set, leave it around. | |
7 | 4097 */ |
4098 /* | |
4099 * If the renaming of the original file to the backup file | |
4100 * works, quit here. | |
4101 */ | |
4102 if (vim_rename(fname, backup) == 0) | |
4103 break; | |
4104 | |
4105 vim_free(backup); /* don't do the rename below */ | |
4106 backup = NULL; | |
4107 } | |
4108 } | |
4109 if (backup == NULL && !forceit) | |
4110 { | |
4111 errmsg = (char_u *)_("E510: Can't make backup file (add ! to override)"); | |
4112 goto fail; | |
4113 } | |
4114 } | |
4115 } | |
4116 | |
4117 #if defined(UNIX) && !defined(ARCHIE) | |
4118 /* When using ":w!" and the file was read-only: make it writable */ | |
4119 if (forceit && perm >= 0 && !(perm & 0200) && st_old.st_uid == getuid() | |
4120 && vim_strchr(p_cpo, CPO_FWRITE) == NULL) | |
4121 { | |
4122 perm |= 0200; | |
4123 (void)mch_setperm(fname, perm); | |
4124 made_writable = TRUE; | |
4125 } | |
4126 #endif | |
4127 | |
819 | 4128 /* When using ":w!" and writing to the current file, 'readonly' makes no |
164 | 4129 * sense, reset it, unless 'Z' appears in 'cpoptions'. */ |
4130 if (forceit && overwriting && vim_strchr(p_cpo, CPO_KEEPRO) == NULL) | |
7 | 4131 { |
4132 buf->b_p_ro = FALSE; | |
4133 #ifdef FEAT_TITLE | |
4134 need_maketitle = TRUE; /* set window title later */ | |
4135 #endif | |
4136 #ifdef FEAT_WINDOWS | |
4137 status_redraw_all(); /* redraw status lines later */ | |
4138 #endif | |
4139 } | |
4140 | |
4141 if (end > buf->b_ml.ml_line_count) | |
4142 end = buf->b_ml.ml_line_count; | |
4143 if (buf->b_ml.ml_flags & ML_EMPTY) | |
4144 start = end + 1; | |
4145 | |
4146 /* | |
4147 * If the original file is being overwritten, there is a small chance that | |
4148 * we crash in the middle of writing. Therefore the file is preserved now. | |
4149 * This makes all block numbers positive so that recovery does not need | |
4150 * the original file. | |
4151 * Don't do this if there is a backup file and we are exiting. | |
4152 */ | |
39 | 4153 if (reset_changed && !newfile && overwriting |
7 | 4154 && !(exiting && backup != NULL)) |
4155 { | |
4156 ml_preserve(buf, FALSE); | |
4157 if (got_int) | |
4158 { | |
4159 errmsg = (char_u *)_(e_interr); | |
4160 goto restore_backup; | |
4161 } | |
4162 } | |
4163 | |
4164 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */ | |
4165 /* | |
4166 * Before risking to lose the original file verify if there's | |
4167 * a resource fork to preserve, and if cannot be done warn | |
4168 * the users. This happens when overwriting without backups. | |
4169 */ | |
4170 if (backup == NULL && overwriting && !append) | |
4171 if (mch_has_resource_fork(fname)) | |
4172 { | |
4173 errmsg = (char_u *)_("E460: The resource fork would be lost (add ! to override)"); | |
4174 goto restore_backup; | |
4175 } | |
4176 #endif | |
4177 | |
4178 #ifdef VMS | |
4179 vms_remove_version(fname); /* remove version */ | |
4180 #endif | |
1651 | 4181 /* Default: write the file directly. May write to a temp file for |
7 | 4182 * multi-byte conversion. */ |
4183 wfname = fname; | |
4184 | |
4185 #ifdef FEAT_MBYTE | |
4186 /* Check for forced 'fileencoding' from "++opt=val" argument. */ | |
4187 if (eap != NULL && eap->force_enc != 0) | |
4188 { | |
4189 fenc = eap->cmd + eap->force_enc; | |
4190 fenc = enc_canonize(fenc); | |
4191 fenc_tofree = fenc; | |
4192 } | |
4193 else | |
4194 fenc = buf->b_p_fenc; | |
4195 | |
4196 /* | |
1948 | 4197 * Check if the file needs to be converted. |
7 | 4198 */ |
1948 | 4199 converted = need_conversion(fenc); |
7 | 4200 |
4201 /* | |
4202 * Check if UTF-8 to UCS-2/4 or Latin1 conversion needs to be done. Or | |
4203 * Latin1 to Unicode conversion. This is handled in buf_write_bytes(). | |
4204 * Prepare the flags for it and allocate bw_conv_buf when needed. | |
4205 */ | |
4206 if (converted && (enc_utf8 || STRCMP(p_enc, "latin1") == 0)) | |
4207 { | |
4208 wb_flags = get_fio_flags(fenc); | |
4209 if (wb_flags & (FIO_UCS2 | FIO_UCS4 | FIO_UTF16 | FIO_UTF8)) | |
4210 { | |
4211 /* Need to allocate a buffer to translate into. */ | |
4212 if (wb_flags & (FIO_UCS2 | FIO_UTF16 | FIO_UTF8)) | |
4213 write_info.bw_conv_buflen = bufsize * 2; | |
4214 else /* FIO_UCS4 */ | |
4215 write_info.bw_conv_buflen = bufsize * 4; | |
4216 write_info.bw_conv_buf | |
4217 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
4218 if (write_info.bw_conv_buf == NULL) | |
4219 end = 0; | |
4220 } | |
4221 } | |
4222 | |
4223 # ifdef WIN3264 | |
4224 if (converted && wb_flags == 0 && (wb_flags = get_win_fio_flags(fenc)) != 0) | |
4225 { | |
4226 /* Convert UTF-8 -> UCS-2 and UCS-2 -> DBCS. Worst-case * 4: */ | |
4227 write_info.bw_conv_buflen = bufsize * 4; | |
4228 write_info.bw_conv_buf | |
4229 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
4230 if (write_info.bw_conv_buf == NULL) | |
4231 end = 0; | |
4232 } | |
4233 # endif | |
4234 | |
4235 # ifdef MACOS_X | |
4236 if (converted && wb_flags == 0 && (wb_flags = get_mac_fio_flags(fenc)) != 0) | |
4237 { | |
4238 write_info.bw_conv_buflen = bufsize * 3; | |
4239 write_info.bw_conv_buf | |
4240 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
4241 if (write_info.bw_conv_buf == NULL) | |
4242 end = 0; | |
4243 } | |
4244 # endif | |
4245 | |
4246 # if defined(FEAT_EVAL) || defined(USE_ICONV) | |
4247 if (converted && wb_flags == 0) | |
4248 { | |
4249 # ifdef USE_ICONV | |
4250 /* | |
4251 * Use iconv() conversion when conversion is needed and it's not done | |
4252 * internally. | |
4253 */ | |
4254 write_info.bw_iconv_fd = (iconv_t)my_iconv_open(fenc, | |
4255 enc_utf8 ? (char_u *)"utf-8" : p_enc); | |
4256 if (write_info.bw_iconv_fd != (iconv_t)-1) | |
4257 { | |
4258 /* We're going to use iconv(), allocate a buffer to convert in. */ | |
4259 write_info.bw_conv_buflen = bufsize * ICONV_MULT; | |
4260 write_info.bw_conv_buf | |
4261 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
4262 if (write_info.bw_conv_buf == NULL) | |
4263 end = 0; | |
4264 write_info.bw_first = TRUE; | |
4265 } | |
4266 # ifdef FEAT_EVAL | |
4267 else | |
4268 # endif | |
4269 # endif | |
4270 | |
4271 # ifdef FEAT_EVAL | |
4272 /* | |
4273 * When the file needs to be converted with 'charconvert' after | |
4274 * writing, write to a temp file instead and let the conversion | |
4275 * overwrite the original file. | |
4276 */ | |
4277 if (*p_ccv != NUL) | |
4278 { | |
4279 wfname = vim_tempname('w'); | |
4280 if (wfname == NULL) /* Can't write without a tempfile! */ | |
4281 { | |
4282 errmsg = (char_u *)_("E214: Can't find temp file for writing"); | |
4283 goto restore_backup; | |
4284 } | |
4285 } | |
4286 # endif | |
4287 } | |
4288 # endif | |
4289 if (converted && wb_flags == 0 | |
4290 # ifdef USE_ICONV | |
4291 && write_info.bw_iconv_fd == (iconv_t)-1 | |
4292 # endif | |
4293 # ifdef FEAT_EVAL | |
4294 && wfname == fname | |
4295 # endif | |
4296 ) | |
4297 { | |
4298 if (!forceit) | |
4299 { | |
4300 errmsg = (char_u *)_("E213: Cannot convert (add ! to write without conversion)"); | |
4301 goto restore_backup; | |
4302 } | |
4303 notconverted = TRUE; | |
4304 } | |
4305 #endif | |
4306 | |
4307 /* | |
4308 * Open the file "wfname" for writing. | |
4309 * We may try to open the file twice: If we can't write to the | |
4310 * file and forceit is TRUE we delete the existing file and try to create | |
4311 * a new one. If this still fails we may have lost the original file! | |
4312 * (this may happen when the user reached his quotum for number of files). | |
4313 * Appending will fail if the file does not exist and forceit is FALSE. | |
4314 */ | |
4315 while ((fd = mch_open((char *)wfname, O_WRONLY | O_EXTRA | (append | |
4316 ? (forceit ? (O_APPEND | O_CREAT) : O_APPEND) | |
4317 : (O_CREAT | O_TRUNC)) | |
216 | 4318 , perm < 0 ? 0666 : (perm & 0777))) < 0) |
7 | 4319 { |
4320 /* | |
4321 * A forced write will try to create a new file if the old one is | |
4322 * still readonly. This may also happen when the directory is | |
4323 * read-only. In that case the mch_remove() will fail. | |
4324 */ | |
4325 if (errmsg == NULL) | |
4326 { | |
4327 #ifdef UNIX | |
4328 struct stat st; | |
4329 | |
4330 /* Don't delete the file when it's a hard or symbolic link. */ | |
4331 if ((!newfile && st_old.st_nlink > 1) | |
4332 || (mch_lstat((char *)fname, &st) == 0 | |
4333 && (st.st_dev != st_old.st_dev | |
4334 || st.st_ino != st_old.st_ino))) | |
4335 errmsg = (char_u *)_("E166: Can't open linked file for writing"); | |
4336 else | |
4337 #endif | |
4338 { | |
4339 errmsg = (char_u *)_("E212: Can't open file for writing"); | |
4340 if (forceit && vim_strchr(p_cpo, CPO_FWRITE) == NULL | |
4341 && perm >= 0) | |
4342 { | |
4343 #ifdef UNIX | |
4344 /* we write to the file, thus it should be marked | |
4345 writable after all */ | |
4346 if (!(perm & 0200)) | |
4347 made_writable = TRUE; | |
4348 perm |= 0200; | |
4349 if (st_old.st_uid != getuid() || st_old.st_gid != getgid()) | |
4350 perm &= 0777; | |
4351 #endif | |
4352 if (!append) /* don't remove when appending */ | |
4353 mch_remove(wfname); | |
4354 continue; | |
4355 } | |
4356 } | |
4357 } | |
4358 | |
4359 restore_backup: | |
4360 { | |
4361 struct stat st; | |
4362 | |
4363 /* | |
4364 * If we failed to open the file, we don't need a backup. Throw it | |
4365 * away. If we moved or removed the original file try to put the | |
4366 * backup in its place. | |
4367 */ | |
4368 if (backup != NULL && wfname == fname) | |
4369 { | |
4370 if (backup_copy) | |
4371 { | |
4372 /* | |
4373 * There is a small chance that we removed the original, | |
4374 * try to move the copy in its place. | |
4375 * This may not work if the vim_rename() fails. | |
4376 * In that case we leave the copy around. | |
4377 */ | |
4378 /* If file does not exist, put the copy in its place */ | |
4379 if (mch_stat((char *)fname, &st) < 0) | |
4380 vim_rename(backup, fname); | |
4381 /* if original file does exist throw away the copy */ | |
4382 if (mch_stat((char *)fname, &st) >= 0) | |
4383 mch_remove(backup); | |
4384 } | |
4385 else | |
4386 { | |
4387 /* try to put the original file back */ | |
4388 vim_rename(backup, fname); | |
4389 } | |
4390 } | |
4391 | |
4392 /* if original file no longer exists give an extra warning */ | |
4393 if (!newfile && mch_stat((char *)fname, &st) < 0) | |
4394 end = 0; | |
4395 } | |
4396 | |
4397 #ifdef FEAT_MBYTE | |
4398 if (wfname != fname) | |
4399 vim_free(wfname); | |
4400 #endif | |
4401 goto fail; | |
4402 } | |
4403 errmsg = NULL; | |
4404 | |
4405 #if defined(MACOS_CLASSIC) || defined(WIN3264) | |
4406 /* TODO: Is it need for MACOS_X? (Dany) */ | |
4407 /* | |
4408 * On macintosh copy the original files attributes (i.e. the backup) | |
1201 | 4409 * This is done in order to preserve the resource fork and the |
4410 * Finder attribute (label, comments, custom icons, file creator) | |
7 | 4411 */ |
4412 if (backup != NULL && overwriting && !append) | |
4413 { | |
4414 if (backup_copy) | |
4415 (void)mch_copy_file_attribute(wfname, backup); | |
4416 else | |
4417 (void)mch_copy_file_attribute(backup, wfname); | |
4418 } | |
4419 | |
4420 if (!overwriting && !append) | |
4421 { | |
4422 if (buf->b_ffname != NULL) | |
4423 (void)mch_copy_file_attribute(buf->b_ffname, wfname); | |
1201 | 4424 /* Should copy resource fork */ |
7 | 4425 } |
4426 #endif | |
4427 | |
4428 write_info.bw_fd = fd; | |
4429 | |
4430 #ifdef FEAT_CRYPT | |
2267 | 4431 if (*buf->b_p_key != NUL && !filtering) |
7 | 4432 { |
6122 | 4433 char_u *header; |
4434 int header_len; | |
4435 | |
4436 buf->b_cryptstate = crypt_create_for_writing(crypt_get_method_nr(buf), | |
4437 buf->b_p_key, &header, &header_len); | |
4438 if (buf->b_cryptstate == NULL || header == NULL) | |
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4439 end = 0; |
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4440 else |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4441 { |
6122 | 4442 /* Write magic number, so that Vim knows how this file is |
4443 * encrypted when reading it back. */ | |
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4444 write_info.bw_buf = header; |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4445 write_info.bw_len = header_len; |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4446 write_info.bw_flags = FIO_NOCONVERT; |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4447 if (buf_write_bytes(&write_info) == FAIL) |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4448 end = 0; |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4449 wb_flags |= FIO_ENCRYPTED; |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4450 vim_free(header); |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4451 } |
7 | 4452 } |
4453 #endif | |
4454 | |
4455 write_info.bw_buf = buffer; | |
4456 nchars = 0; | |
4457 | |
4458 /* use "++bin", "++nobin" or 'binary' */ | |
4459 if (eap != NULL && eap->force_bin != 0) | |
4460 write_bin = (eap->force_bin == FORCE_BIN); | |
4461 else | |
4462 write_bin = buf->b_p_bin; | |
4463 | |
4464 #ifdef FEAT_MBYTE | |
4465 /* | |
4466 * The BOM is written just after the encryption magic number. | |
24 | 4467 * Skip it when appending and the file already existed, the BOM only makes |
4468 * sense at the start of the file. | |
7 | 4469 */ |
24 | 4470 if (buf->b_p_bomb && !write_bin && (!append || perm < 0)) |
7 | 4471 { |
4472 write_info.bw_len = make_bom(buffer, fenc); | |
4473 if (write_info.bw_len > 0) | |
4474 { | |
4475 /* don't convert, do encryption */ | |
4476 write_info.bw_flags = FIO_NOCONVERT | wb_flags; | |
4477 if (buf_write_bytes(&write_info) == FAIL) | |
4478 end = 0; | |
4479 else | |
4480 nchars += write_info.bw_len; | |
4481 } | |
4482 } | |
1947 | 4483 write_info.bw_start_lnum = start; |
7 | 4484 #endif |
4485 | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4486 #ifdef FEAT_PERSISTENT_UNDO |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4487 write_undo_file = (buf->b_p_udf && overwriting && !append |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4488 && !filtering && reset_changed); |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4489 if (write_undo_file) |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4490 /* Prepare for computing the hash value of the text. */ |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4491 sha256_start(&sha_ctx); |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4492 #endif |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4493 |
7 | 4494 write_info.bw_len = bufsize; |
4495 #ifdef HAS_BW_FLAGS | |
4496 write_info.bw_flags = wb_flags; | |
4497 #endif | |
4498 fileformat = get_fileformat_force(buf, eap); | |
4499 s = buffer; | |
4500 len = 0; | |
4501 for (lnum = start; lnum <= end; ++lnum) | |
4502 { | |
4503 /* | |
4504 * The next while loop is done once for each character written. | |
4505 * Keep it fast! | |
4506 */ | |
4507 ptr = ml_get_buf(buf, lnum, FALSE) - 1; | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4508 #ifdef FEAT_PERSISTENT_UNDO |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4509 if (write_undo_file) |
2217
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
4510 sha256_update(&sha_ctx, ptr + 1, (UINT32_T)(STRLEN(ptr + 1) + 1)); |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4511 #endif |
7 | 4512 while ((c = *++ptr) != NUL) |
4513 { | |
4514 if (c == NL) | |
4515 *s = NUL; /* replace newlines with NULs */ | |
4516 else if (c == CAR && fileformat == EOL_MAC) | |
4517 *s = NL; /* Mac: replace CRs with NLs */ | |
4518 else | |
4519 *s = c; | |
4520 ++s; | |
4521 if (++len != bufsize) | |
4522 continue; | |
4523 if (buf_write_bytes(&write_info) == FAIL) | |
4524 { | |
4525 end = 0; /* write error: break loop */ | |
4526 break; | |
4527 } | |
4528 nchars += bufsize; | |
4529 s = buffer; | |
4530 len = 0; | |
1947 | 4531 #ifdef FEAT_MBYTE |
4532 write_info.bw_start_lnum = lnum; | |
4533 #endif | |
7 | 4534 } |
4535 /* write failed or last line has no EOL: stop here */ | |
4536 if (end == 0 | |
4537 || (lnum == end | |
4538 && write_bin | |
2707 | 4539 && (lnum == buf->b_no_eol_lnum |
7 | 4540 || (lnum == buf->b_ml.ml_line_count && !buf->b_p_eol)))) |
4541 { | |
4542 ++lnum; /* written the line, count it */ | |
4543 no_eol = TRUE; | |
4544 break; | |
4545 } | |
4546 if (fileformat == EOL_UNIX) | |
4547 *s++ = NL; | |
4548 else | |
4549 { | |
4550 *s++ = CAR; /* EOL_MAC or EOL_DOS: write CR */ | |
4551 if (fileformat == EOL_DOS) /* write CR-NL */ | |
4552 { | |
4553 if (++len == bufsize) | |
4554 { | |
4555 if (buf_write_bytes(&write_info) == FAIL) | |
4556 { | |
4557 end = 0; /* write error: break loop */ | |
4558 break; | |
4559 } | |
4560 nchars += bufsize; | |
4561 s = buffer; | |
4562 len = 0; | |
4563 } | |
4564 *s++ = NL; | |
4565 } | |
4566 } | |
4567 if (++len == bufsize && end) | |
4568 { | |
4569 if (buf_write_bytes(&write_info) == FAIL) | |
4570 { | |
4571 end = 0; /* write error: break loop */ | |
4572 break; | |
4573 } | |
4574 nchars += bufsize; | |
4575 s = buffer; | |
4576 len = 0; | |
4577 | |
4578 ui_breakcheck(); | |
4579 if (got_int) | |
4580 { | |
4581 end = 0; /* Interrupted, break loop */ | |
4582 break; | |
4583 } | |
4584 } | |
4585 #ifdef VMS | |
4586 /* | |
4587 * On VMS there is a problem: newlines get added when writing blocks | |
4588 * at a time. Fix it by writing a line at a time. | |
4589 * This is much slower! | |
22 | 4590 * Explanation: VAX/DECC RTL insists that records in some RMS |
4591 * structures end with a newline (carriage return) character, and if | |
4592 * they don't it adds one. | |
4593 * With other RMS structures it works perfect without this fix. | |
7 | 4594 */ |
1431 | 4595 if (buf->b_fab_rfm == FAB$C_VFC |
4596 || ((buf->b_fab_rat & (FAB$M_FTN | FAB$M_CR)) != 0)) | |
22 | 4597 { |
4598 int b2write; | |
4599 | |
4600 buf->b_fab_mrs = (buf->b_fab_mrs == 0 | |
4601 ? MIN(4096, bufsize) | |
4602 : MIN(buf->b_fab_mrs, bufsize)); | |
4603 | |
4604 b2write = len; | |
4605 while (b2write > 0) | |
7 | 4606 { |
22 | 4607 write_info.bw_len = MIN(b2write, buf->b_fab_mrs); |
4608 if (buf_write_bytes(&write_info) == FAIL) | |
4609 { | |
4610 end = 0; | |
4611 break; | |
4612 } | |
4613 b2write -= MIN(b2write, buf->b_fab_mrs); | |
7 | 4614 } |
4615 write_info.bw_len = bufsize; | |
4616 nchars += len; | |
4617 s = buffer; | |
4618 len = 0; | |
4619 } | |
4620 #endif | |
4621 } | |
4622 if (len > 0 && end > 0) | |
4623 { | |
4624 write_info.bw_len = len; | |
4625 if (buf_write_bytes(&write_info) == FAIL) | |
4626 end = 0; /* write error */ | |
4627 nchars += len; | |
4628 } | |
4629 | |
4630 #if defined(UNIX) && defined(HAVE_FSYNC) | |
4631 /* On many journalling file systems there is a bug that causes both the | |
4632 * original and the backup file to be lost when halting the system right | |
4633 * after writing the file. That's because only the meta-data is | |
4634 * journalled. Syncing the file slows down the system, but assures it has | |
10 | 4635 * been written to disk and we don't lose it. |
4636 * For a device do try the fsync() but don't complain if it does not work | |
36 | 4637 * (could be a pipe). |
4638 * If the 'fsync' option is FALSE, don't fsync(). Useful for laptops. */ | |
4639 if (p_fs && fsync(fd) != 0 && !device) | |
7 | 4640 { |
4641 errmsg = (char_u *)_("E667: Fsync failed"); | |
4642 end = 0; | |
4643 } | |
4644 #endif | |
4645 | |
5788 | 4646 #if defined(HAVE_SELINUX) || defined(HAVE_SMACK) |
1583 | 4647 /* Probably need to set the security context. */ |
4648 if (!backup_copy) | |
4649 mch_copy_sec(backup, wfname); | |
4650 #endif | |
4651 | |
557 | 4652 #ifdef UNIX |
4653 /* When creating a new file, set its owner/group to that of the original | |
4654 * file. Get the new device and inode number. */ | |
4655 if (backup != NULL && !backup_copy) | |
4656 { | |
4657 # ifdef HAVE_FCHOWN | |
4658 struct stat st; | |
4659 | |
4660 /* don't change the owner when it's already OK, some systems remove | |
4661 * permission or ACL stuff */ | |
4662 if (mch_stat((char *)wfname, &st) < 0 | |
4663 || st.st_uid != st_old.st_uid | |
4664 || st.st_gid != st_old.st_gid) | |
4665 { | |
1757 | 4666 ignored = fchown(fd, st_old.st_uid, st_old.st_gid); |
557 | 4667 if (perm >= 0) /* set permission again, may have changed */ |
4668 (void)mch_setperm(wfname, perm); | |
4669 } | |
4670 # endif | |
4671 buf_setino(buf); | |
4672 } | |
1873 | 4673 else if (!buf->b_dev_valid) |
617 | 4674 /* Set the inode when creating a new file. */ |
4675 buf_setino(buf); | |
557 | 4676 #endif |
4677 | |
7 | 4678 if (close(fd) != 0) |
4679 { | |
4680 errmsg = (char_u *)_("E512: Close failed"); | |
4681 end = 0; | |
4682 } | |
4683 | |
4684 #ifdef UNIX | |
4685 if (made_writable) | |
4686 perm &= ~0200; /* reset 'w' bit for security reasons */ | |
4687 #endif | |
4688 if (perm >= 0) /* set perm. of new file same as old file */ | |
4689 (void)mch_setperm(wfname, perm); | |
4690 #ifdef HAVE_ACL | |
4691 /* Probably need to set the ACL before changing the user (can't set the | |
4692 * ACL on a file the user doesn't own). */ | |
4693 if (!backup_copy) | |
4694 mch_set_acl(wfname, acl); | |
4695 #endif | |
2267 | 4696 #ifdef FEAT_CRYPT |
6122 | 4697 if (buf->b_cryptstate != NULL) |
4698 { | |
4699 crypt_free_state(buf->b_cryptstate); | |
4700 buf->b_cryptstate = NULL; | |
4701 } | |
4702 #endif | |
7 | 4703 |
4704 #if defined(FEAT_MBYTE) && defined(FEAT_EVAL) | |
4705 if (wfname != fname) | |
4706 { | |
4707 /* | |
4708 * The file was written to a temp file, now it needs to be converted | |
4709 * with 'charconvert' to (overwrite) the output file. | |
4710 */ | |
4711 if (end != 0) | |
4712 { | |
4713 if (eval_charconvert(enc_utf8 ? (char_u *)"utf-8" : p_enc, fenc, | |
4714 wfname, fname) == FAIL) | |
4715 { | |
4716 write_info.bw_conv_error = TRUE; | |
4717 end = 0; | |
4718 } | |
4719 } | |
4720 mch_remove(wfname); | |
4721 vim_free(wfname); | |
4722 } | |
4723 #endif | |
4724 | |
4725 if (end == 0) | |
4726 { | |
4727 if (errmsg == NULL) | |
4728 { | |
4729 #ifdef FEAT_MBYTE | |
4730 if (write_info.bw_conv_error) | |
1947 | 4731 { |
4732 if (write_info.bw_conv_error_lnum == 0) | |
4733 errmsg = (char_u *)_("E513: write error, conversion failed (make 'fenc' empty to override)"); | |
4734 else | |
4735 { | |
4736 errmsg_allocated = TRUE; | |
4737 errmsg = alloc(300); | |
4738 vim_snprintf((char *)errmsg, 300, _("E513: write error, conversion failed in line %ld (make 'fenc' empty to override)"), | |
4739 (long)write_info.bw_conv_error_lnum); | |
4740 } | |
4741 } | |
7 | 4742 else |
4743 #endif | |
4744 if (got_int) | |
4745 errmsg = (char_u *)_(e_interr); | |
4746 else | |
4747 errmsg = (char_u *)_("E514: write error (file system full?)"); | |
4748 } | |
4749 | |
4750 /* | |
4751 * If we have a backup file, try to put it in place of the new file, | |
1698 | 4752 * because the new file is probably corrupt. This avoids losing the |
7 | 4753 * original file when trying to make a backup when writing the file a |
4754 * second time. | |
4755 * When "backup_copy" is set we need to copy the backup over the new | |
4756 * file. Otherwise rename the backup file. | |
4757 * If this is OK, don't give the extra warning message. | |
4758 */ | |
4759 if (backup != NULL) | |
4760 { | |
4761 if (backup_copy) | |
4762 { | |
4763 /* This may take a while, if we were interrupted let the user | |
4764 * know we got the message. */ | |
4765 if (got_int) | |
4766 { | |
4767 MSG(_(e_interr)); | |
4768 out_flush(); | |
4769 } | |
4770 if ((fd = mch_open((char *)backup, O_RDONLY | O_EXTRA, 0)) >= 0) | |
4771 { | |
4772 if ((write_info.bw_fd = mch_open((char *)fname, | |
194 | 4773 O_WRONLY | O_CREAT | O_TRUNC | O_EXTRA, |
4774 perm & 0777)) >= 0) | |
7 | 4775 { |
4776 /* copy the file. */ | |
4777 write_info.bw_buf = smallbuf; | |
4778 #ifdef HAS_BW_FLAGS | |
4779 write_info.bw_flags = FIO_NOCONVERT; | |
4780 #endif | |
2664 | 4781 while ((write_info.bw_len = read_eintr(fd, smallbuf, |
7 | 4782 SMBUFSIZE)) > 0) |
4783 if (buf_write_bytes(&write_info) == FAIL) | |
4784 break; | |
4785 | |
4786 if (close(write_info.bw_fd) >= 0 | |
4787 && write_info.bw_len == 0) | |
4788 end = 1; /* success */ | |
4789 } | |
4790 close(fd); /* ignore errors for closing read file */ | |
4791 } | |
4792 } | |
4793 else | |
4794 { | |
4795 if (vim_rename(backup, fname) == 0) | |
4796 end = 1; | |
4797 } | |
4798 } | |
4799 goto fail; | |
4800 } | |
4801 | |
4802 lnum -= start; /* compute number of written lines */ | |
4803 --no_wait_return; /* may wait for return now */ | |
4804 | |
4805 #if !(defined(UNIX) || defined(VMS)) | |
4806 fname = sfname; /* use shortname now, for the messages */ | |
4807 #endif | |
4808 if (!filtering) | |
4809 { | |
4810 msg_add_fname(buf, fname); /* put fname in IObuff with quotes */ | |
4811 c = FALSE; | |
4812 #ifdef FEAT_MBYTE | |
4813 if (write_info.bw_conv_error) | |
4814 { | |
4815 STRCAT(IObuff, _(" CONVERSION ERROR")); | |
4816 c = TRUE; | |
1947 | 4817 if (write_info.bw_conv_error_lnum != 0) |
2280
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2267
diff
changeset
|
4818 vim_snprintf_add((char *)IObuff, IOSIZE, _(" in line %ld;"), |
1947 | 4819 (long)write_info.bw_conv_error_lnum); |
7 | 4820 } |
4821 else if (notconverted) | |
4822 { | |
4823 STRCAT(IObuff, _("[NOT converted]")); | |
4824 c = TRUE; | |
4825 } | |
4826 else if (converted) | |
4827 { | |
4828 STRCAT(IObuff, _("[converted]")); | |
4829 c = TRUE; | |
4830 } | |
4831 #endif | |
4832 if (device) | |
4833 { | |
4834 STRCAT(IObuff, _("[Device]")); | |
4835 c = TRUE; | |
4836 } | |
4837 else if (newfile) | |
4838 { | |
4839 STRCAT(IObuff, shortmess(SHM_NEW) ? _("[New]") : _("[New File]")); | |
4840 c = TRUE; | |
4841 } | |
4842 if (no_eol) | |
4843 { | |
4844 msg_add_eol(); | |
4845 c = TRUE; | |
4846 } | |
4847 /* may add [unix/dos/mac] */ | |
4848 if (msg_add_fileformat(fileformat)) | |
4849 c = TRUE; | |
4850 #ifdef FEAT_CRYPT | |
4851 if (wb_flags & FIO_ENCRYPTED) | |
4852 { | |
6122 | 4853 crypt_append_msg(buf); |
7 | 4854 c = TRUE; |
4855 } | |
4856 #endif | |
4857 msg_add_lines(c, (long)lnum, nchars); /* add line/char count */ | |
4858 if (!shortmess(SHM_WRITE)) | |
4859 { | |
4860 if (append) | |
4861 STRCAT(IObuff, shortmess(SHM_WRI) ? _(" [a]") : _(" appended")); | |
4862 else | |
4863 STRCAT(IObuff, shortmess(SHM_WRI) ? _(" [w]") : _(" written")); | |
4864 } | |
4865 | |
679 | 4866 set_keep_msg(msg_trunc_attr(IObuff, FALSE, 0), 0); |
7 | 4867 } |
4868 | |
39 | 4869 /* When written everything correctly: reset 'modified'. Unless not |
4870 * writing to the original file and '+' is not in 'cpoptions'. */ | |
589 | 4871 if (reset_changed && whole && !append |
7 | 4872 #ifdef FEAT_MBYTE |
4873 && !write_info.bw_conv_error | |
4874 #endif | |
39 | 4875 && (overwriting || vim_strchr(p_cpo, CPO_PLUS) != NULL) |
4876 ) | |
7 | 4877 { |
4878 unchanged(buf, TRUE); | |
4879 u_unchanged(buf); | |
2281
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
4880 u_update_save_nr(buf); |
7 | 4881 } |
4882 | |
4883 /* | |
4884 * If written to the current file, update the timestamp of the swap file | |
4885 * and reset the BF_WRITE_MASK flags. Also sets buf->b_mtime. | |
4886 */ | |
4887 if (overwriting) | |
4888 { | |
4889 ml_timestamp(buf); | |
589 | 4890 if (append) |
4891 buf->b_flags &= ~BF_NEW; | |
4892 else | |
4893 buf->b_flags &= ~BF_WRITE_MASK; | |
7 | 4894 } |
4895 | |
4896 /* | |
4897 * If we kept a backup until now, and we are in patch mode, then we make | |
4898 * the backup file our 'original' file. | |
4899 */ | |
4900 if (*p_pm && dobackup) | |
4901 { | |
4902 char *org = (char *)buf_modname( | |
4903 #ifdef SHORT_FNAME | |
4904 TRUE, | |
4905 #else | |
4906 (buf->b_p_sn || buf->b_shortname), | |
4907 #endif | |
4908 fname, p_pm, FALSE); | |
4909 | |
4910 if (backup != NULL) | |
4911 { | |
4912 struct stat st; | |
4913 | |
4914 /* | |
4915 * If the original file does not exist yet | |
4916 * the current backup file becomes the original file | |
4917 */ | |
4918 if (org == NULL) | |
4919 EMSG(_("E205: Patchmode: can't save original file")); | |
4920 else if (mch_stat(org, &st) < 0) | |
4921 { | |
4922 vim_rename(backup, (char_u *)org); | |
4923 vim_free(backup); /* don't delete the file */ | |
4924 backup = NULL; | |
4925 #ifdef UNIX | |
4926 set_file_time((char_u *)org, st_old.st_atime, st_old.st_mtime); | |
4927 #endif | |
4928 } | |
4929 } | |
4930 /* | |
4931 * If there is no backup file, remember that a (new) file was | |
4932 * created. | |
4933 */ | |
4934 else | |
4935 { | |
4936 int empty_fd; | |
4937 | |
4938 if (org == NULL | |
557 | 4939 || (empty_fd = mch_open(org, |
4940 O_CREAT | O_EXTRA | O_EXCL | O_NOFOLLOW, | |
216 | 4941 perm < 0 ? 0666 : (perm & 0777))) < 0) |
7 | 4942 EMSG(_("E206: patchmode: can't touch empty original file")); |
4943 else | |
4944 close(empty_fd); | |
4945 } | |
4946 if (org != NULL) | |
4947 { | |
4948 mch_setperm((char_u *)org, mch_getperm(fname) & 0777); | |
4949 vim_free(org); | |
4950 } | |
4951 } | |
4952 | |
4953 /* | |
4954 * Remove the backup unless 'backup' option is set | |
4955 */ | |
4956 if (!p_bk && backup != NULL && mch_remove(backup) != 0) | |
4957 EMSG(_("E207: Can't delete backup file")); | |
4958 | |
4959 #ifdef FEAT_SUN_WORKSHOP | |
4960 if (usingSunWorkShop) | |
4961 workshop_file_saved((char *) ffname); | |
4962 #endif | |
4963 | |
4964 goto nofail; | |
4965 | |
4966 /* | |
4967 * Finish up. We get here either after failure or success. | |
4968 */ | |
4969 fail: | |
4970 --no_wait_return; /* may wait for return now */ | |
4971 nofail: | |
4972 | |
4973 /* Done saving, we accept changed buffer warnings again */ | |
4974 buf->b_saving = FALSE; | |
4975 | |
4976 vim_free(backup); | |
4977 if (buffer != smallbuf) | |
4978 vim_free(buffer); | |
4979 #ifdef FEAT_MBYTE | |
4980 vim_free(fenc_tofree); | |
4981 vim_free(write_info.bw_conv_buf); | |
4982 # ifdef USE_ICONV | |
4983 if (write_info.bw_iconv_fd != (iconv_t)-1) | |
4984 { | |
4985 iconv_close(write_info.bw_iconv_fd); | |
4986 write_info.bw_iconv_fd = (iconv_t)-1; | |
4987 } | |
4988 # endif | |
4989 #endif | |
4990 #ifdef HAVE_ACL | |
4991 mch_free_acl(acl); | |
4992 #endif | |
4993 | |
4994 if (errmsg != NULL) | |
4995 { | |
835 | 4996 int numlen = errnum != NULL ? (int)STRLEN(errnum) : 0; |
7 | 4997 |
4998 attr = hl_attr(HLF_E); /* set highlight for error messages */ | |
4999 msg_add_fname(buf, | |
5000 #ifndef UNIX | |
5001 sfname | |
5002 #else | |
5003 fname | |
5004 #endif | |
5005 ); /* put file name in IObuff with quotes */ | |
5006 if (STRLEN(IObuff) + STRLEN(errmsg) + numlen >= IOSIZE) | |
5007 IObuff[IOSIZE - STRLEN(errmsg) - numlen - 1] = NUL; | |
5008 /* If the error message has the form "is ...", put the error number in | |
5009 * front of the file name. */ | |
5010 if (errnum != NULL) | |
5011 { | |
1620 | 5012 STRMOVE(IObuff + numlen, IObuff); |
7 | 5013 mch_memmove(IObuff, errnum, (size_t)numlen); |
5014 } | |
5015 STRCAT(IObuff, errmsg); | |
5016 emsg(IObuff); | |
1947 | 5017 if (errmsg_allocated) |
5018 vim_free(errmsg); | |
7 | 5019 |
5020 retval = FAIL; | |
5021 if (end == 0) | |
5022 { | |
5023 MSG_PUTS_ATTR(_("\nWARNING: Original file may be lost or damaged\n"), | |
5024 attr | MSG_HIST); | |
5025 MSG_PUTS_ATTR(_("don't quit the editor until the file is successfully written!"), | |
5026 attr | MSG_HIST); | |
5027 | |
5028 /* Update the timestamp to avoid an "overwrite changed file" | |
5029 * prompt when writing again. */ | |
5030 if (mch_stat((char *)fname, &st_old) >= 0) | |
5031 { | |
5032 buf_store_time(buf, &st_old, fname); | |
5033 buf->b_mtime_read = buf->b_mtime; | |
5034 } | |
5035 } | |
5036 } | |
5037 msg_scroll = msg_save; | |
5038 | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5039 #ifdef FEAT_PERSISTENT_UNDO |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5040 /* |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5041 * When writing the whole file and 'undofile' is set, also write the undo |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5042 * file. |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5043 */ |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5044 if (retval == OK && write_undo_file) |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5045 { |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5046 char_u hash[UNDO_HASH_SIZE]; |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5047 |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5048 sha256_finish(&sha_ctx, hash); |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5049 u_write_undo(NULL, FALSE, buf, hash); |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5050 } |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5051 #endif |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5052 |
7 | 5053 #ifdef FEAT_AUTOCMD |
5054 #ifdef FEAT_EVAL | |
5055 if (!should_abort(retval)) | |
5056 #else | |
5057 if (!got_int) | |
5058 #endif | |
5059 { | |
5060 aco_save_T aco; | |
5061 | |
3482 | 5062 curbuf->b_no_eol_lnum = 0; /* in case it was set by the previous read */ |
5063 | |
7 | 5064 /* |
5065 * Apply POST autocommands. | |
5066 * Careful: The autocommands may call buf_write() recursively! | |
5067 */ | |
5068 aucmd_prepbuf(&aco, buf); | |
5069 | |
5070 if (append) | |
5071 apply_autocmds_exarg(EVENT_FILEAPPENDPOST, fname, fname, | |
5072 FALSE, curbuf, eap); | |
5073 else if (filtering) | |
5074 apply_autocmds_exarg(EVENT_FILTERWRITEPOST, NULL, fname, | |
5075 FALSE, curbuf, eap); | |
5076 else if (reset_changed && whole) | |
5077 apply_autocmds_exarg(EVENT_BUFWRITEPOST, fname, fname, | |
5078 FALSE, curbuf, eap); | |
5079 else | |
5080 apply_autocmds_exarg(EVENT_FILEWRITEPOST, fname, fname, | |
5081 FALSE, curbuf, eap); | |
5082 | |
5083 /* restore curwin/curbuf and a few other things */ | |
5084 aucmd_restbuf(&aco); | |
5085 | |
5086 #ifdef FEAT_EVAL | |
5087 if (aborting()) /* autocmds may abort script processing */ | |
5088 retval = FALSE; | |
5089 #endif | |
5090 } | |
5091 #endif | |
5092 | |
5093 got_int |= prev_got_int; | |
5094 | |
5095 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */ | |
5096 /* Update machine specific information. */ | |
5097 mch_post_buffer_write(buf); | |
5098 #endif | |
5099 return retval; | |
5100 } | |
5101 | |
5102 /* | |
633 | 5103 * Set the name of the current buffer. Use when the buffer doesn't have a |
5104 * name and a ":r" or ":w" command with a file name is used. | |
5105 */ | |
5106 static int | |
5107 set_rw_fname(fname, sfname) | |
5108 char_u *fname; | |
5109 char_u *sfname; | |
5110 { | |
5111 #ifdef FEAT_AUTOCMD | |
1905 | 5112 buf_T *buf = curbuf; |
5113 | |
633 | 5114 /* It's like the unnamed buffer is deleted.... */ |
5115 if (curbuf->b_p_bl) | |
5116 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); | |
5117 apply_autocmds(EVENT_BUFWIPEOUT, NULL, NULL, FALSE, curbuf); | |
5118 # ifdef FEAT_EVAL | |
5119 if (aborting()) /* autocmds may abort script processing */ | |
5120 return FAIL; | |
5121 # endif | |
1905 | 5122 if (curbuf != buf) |
5123 { | |
5124 /* We are in another buffer now, don't do the renaming. */ | |
5125 EMSG(_(e_auchangedbuf)); | |
5126 return FAIL; | |
5127 } | |
633 | 5128 #endif |
5129 | |
5130 if (setfname(curbuf, fname, sfname, FALSE) == OK) | |
5131 curbuf->b_flags |= BF_NOTEDITED; | |
5132 | |
5133 #ifdef FEAT_AUTOCMD | |
5134 /* ....and a new named one is created */ | |
5135 apply_autocmds(EVENT_BUFNEW, NULL, NULL, FALSE, curbuf); | |
5136 if (curbuf->b_p_bl) | |
5137 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf); | |
5138 # ifdef FEAT_EVAL | |
5139 if (aborting()) /* autocmds may abort script processing */ | |
5140 return FAIL; | |
5141 # endif | |
5142 | |
5143 /* Do filetype detection now if 'filetype' is empty. */ | |
5144 if (*curbuf->b_p_ft == NUL) | |
5145 { | |
819 | 5146 if (au_has_group((char_u *)"filetypedetect")) |
676 | 5147 (void)do_doautocmd((char_u *)"filetypedetect BufRead", FALSE); |
717 | 5148 do_modelines(0); |
633 | 5149 } |
5150 #endif | |
5151 | |
5152 return OK; | |
5153 } | |
5154 | |
5155 /* | |
7 | 5156 * Put file name into IObuff with quotes. |
5157 */ | |
33 | 5158 void |
7 | 5159 msg_add_fname(buf, fname) |
5160 buf_T *buf; | |
5161 char_u *fname; | |
5162 { | |
5163 if (fname == NULL) | |
5164 fname = (char_u *)"-stdin-"; | |
5165 home_replace(buf, fname, IObuff + 1, IOSIZE - 4, TRUE); | |
5166 IObuff[0] = '"'; | |
5167 STRCAT(IObuff, "\" "); | |
5168 } | |
5169 | |
5170 /* | |
5171 * Append message for text mode to IObuff. | |
5172 * Return TRUE if something appended. | |
5173 */ | |
5174 static int | |
5175 msg_add_fileformat(eol_type) | |
5176 int eol_type; | |
5177 { | |
5178 #ifndef USE_CRNL | |
5179 if (eol_type == EOL_DOS) | |
5180 { | |
5181 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[dos]") : _("[dos format]")); | |
5182 return TRUE; | |
5183 } | |
5184 #endif | |
5185 #ifndef USE_CR | |
5186 if (eol_type == EOL_MAC) | |
5187 { | |
5188 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[mac]") : _("[mac format]")); | |
5189 return TRUE; | |
5190 } | |
5191 #endif | |
5192 #if defined(USE_CRNL) || defined(USE_CR) | |
5193 if (eol_type == EOL_UNIX) | |
5194 { | |
5195 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[unix]") : _("[unix format]")); | |
5196 return TRUE; | |
5197 } | |
5198 #endif | |
5199 return FALSE; | |
5200 } | |
5201 | |
5202 /* | |
5203 * Append line and character count to IObuff. | |
5204 */ | |
33 | 5205 void |
7 | 5206 msg_add_lines(insert_space, lnum, nchars) |
5207 int insert_space; | |
5208 long lnum; | |
2241
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
5209 off_t nchars; |
7 | 5210 { |
5211 char_u *p; | |
5212 | |
5213 p = IObuff + STRLEN(IObuff); | |
5214 | |
5215 if (insert_space) | |
5216 *p++ = ' '; | |
5217 if (shortmess(SHM_LINES)) | |
2241
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
5218 sprintf((char *)p, |
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
5219 #ifdef LONG_LONG_OFF_T |
5688 | 5220 "%ldL, %lldC", lnum, (long long)nchars |
2241
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
5221 #else |
2261
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5222 /* Explicit typecast avoids warning on Mac OS X 10.6 */ |
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5223 "%ldL, %ldC", lnum, (long)nchars |
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5224 #endif |
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5225 ); |
7 | 5226 else |
5227 { | |
5228 if (lnum == 1) | |
5229 STRCPY(p, _("1 line, ")); | |
5230 else | |
5231 sprintf((char *)p, _("%ld lines, "), lnum); | |
5232 p += STRLEN(p); | |
5233 if (nchars == 1) | |
5234 STRCPY(p, _("1 character")); | |
5235 else | |
2241
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
5236 sprintf((char *)p, |
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
5237 #ifdef LONG_LONG_OFF_T |
5688 | 5238 _("%lld characters"), (long long)nchars |
2241
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
5239 #else |
2261
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5240 /* Explicit typecast avoids warning on Mac OS X 10.6 */ |
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5241 _("%ld characters"), (long)nchars |
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5242 #endif |
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5243 ); |
7 | 5244 } |
5245 } | |
5246 | |
5247 /* | |
5248 * Append message for missing line separator to IObuff. | |
5249 */ | |
5250 static void | |
5251 msg_add_eol() | |
5252 { | |
5253 STRCAT(IObuff, shortmess(SHM_LAST) ? _("[noeol]") : _("[Incomplete last line]")); | |
5254 } | |
5255 | |
5256 /* | |
5257 * Check modification time of file, before writing to it. | |
5258 * The size isn't checked, because using a tool like "gzip" takes care of | |
5259 * using the same timestamp but can't set the size. | |
5260 */ | |
5261 static int | |
5262 check_mtime(buf, st) | |
5263 buf_T *buf; | |
5264 struct stat *st; | |
5265 { | |
5266 if (buf->b_mtime_read != 0 | |
5267 && time_differs((long)st->st_mtime, buf->b_mtime_read)) | |
5268 { | |
5269 msg_scroll = TRUE; /* don't overwrite messages here */ | |
5270 msg_silent = 0; /* must give this prompt */ | |
5271 /* don't use emsg() here, don't want to flush the buffers */ | |
5272 MSG_ATTR(_("WARNING: The file has been changed since reading it!!!"), | |
5273 hl_attr(HLF_E)); | |
5274 if (ask_yesno((char_u *)_("Do you really want to write to it"), | |
5275 TRUE) == 'n') | |
5276 return FAIL; | |
5277 msg_scroll = FALSE; /* always overwrite the file message now */ | |
5278 } | |
5279 return OK; | |
5280 } | |
5281 | |
5282 static int | |
5283 time_differs(t1, t2) | |
5284 long t1, t2; | |
5285 { | |
5286 #if defined(__linux__) || defined(MSDOS) || defined(MSWIN) | |
5287 /* On a FAT filesystem, esp. under Linux, there are only 5 bits to store | |
5288 * the seconds. Since the roundoff is done when flushing the inode, the | |
5289 * time may change unexpectedly by one second!!! */ | |
5290 return (t1 - t2 > 1 || t2 - t1 > 1); | |
5291 #else | |
5292 return (t1 != t2); | |
5293 #endif | |
5294 } | |
5295 | |
5296 /* | |
5297 * Call write() to write a number of bytes to the file. | |
2664 | 5298 * Handles encryption and 'encoding' conversion. |
7 | 5299 * |
5300 * Return FAIL for failure, OK otherwise. | |
5301 */ | |
5302 static int | |
5303 buf_write_bytes(ip) | |
5304 struct bw_info *ip; | |
5305 { | |
5306 int wlen; | |
5307 char_u *buf = ip->bw_buf; /* data to write */ | |
5308 int len = ip->bw_len; /* length of data */ | |
5309 #ifdef HAS_BW_FLAGS | |
5310 int flags = ip->bw_flags; /* extra flags */ | |
5311 #endif | |
5312 | |
5313 #ifdef FEAT_MBYTE | |
5314 /* | |
5315 * Skip conversion when writing the crypt magic number or the BOM. | |
5316 */ | |
5317 if (!(flags & FIO_NOCONVERT)) | |
5318 { | |
5319 char_u *p; | |
5320 unsigned c; | |
5321 int n; | |
5322 | |
5323 if (flags & FIO_UTF8) | |
5324 { | |
5325 /* | |
5326 * Convert latin1 in the buffer to UTF-8 in the file. | |
5327 */ | |
5328 p = ip->bw_conv_buf; /* translate to buffer */ | |
5329 for (wlen = 0; wlen < len; ++wlen) | |
5330 p += utf_char2bytes(buf[wlen], p); | |
5331 buf = ip->bw_conv_buf; | |
5332 len = (int)(p - ip->bw_conv_buf); | |
5333 } | |
5334 else if (flags & (FIO_UCS4 | FIO_UTF16 | FIO_UCS2 | FIO_LATIN1)) | |
5335 { | |
5336 /* | |
5337 * Convert UTF-8 bytes in the buffer to UCS-2, UCS-4, UTF-16 or | |
5338 * Latin1 chars in the file. | |
5339 */ | |
5340 if (flags & FIO_LATIN1) | |
5341 p = buf; /* translate in-place (can only get shorter) */ | |
5342 else | |
5343 p = ip->bw_conv_buf; /* translate to buffer */ | |
5344 for (wlen = 0; wlen < len; wlen += n) | |
5345 { | |
5346 if (wlen == 0 && ip->bw_restlen != 0) | |
5347 { | |
5348 int l; | |
5349 | |
5350 /* Use remainder of previous call. Append the start of | |
5351 * buf[] to get a full sequence. Might still be too | |
5352 * short! */ | |
5353 l = CONV_RESTLEN - ip->bw_restlen; | |
5354 if (l > len) | |
5355 l = len; | |
5356 mch_memmove(ip->bw_rest + ip->bw_restlen, buf, (size_t)l); | |
474 | 5357 n = utf_ptr2len_len(ip->bw_rest, ip->bw_restlen + l); |
7 | 5358 if (n > ip->bw_restlen + len) |
5359 { | |
5360 /* We have an incomplete byte sequence at the end to | |
5361 * be written. We can't convert it without the | |
5362 * remaining bytes. Keep them for the next call. */ | |
5363 if (ip->bw_restlen + len > CONV_RESTLEN) | |
5364 return FAIL; | |
5365 ip->bw_restlen += len; | |
5366 break; | |
5367 } | |
5368 if (n > 1) | |
5369 c = utf_ptr2char(ip->bw_rest); | |
5370 else | |
5371 c = ip->bw_rest[0]; | |
5372 if (n >= ip->bw_restlen) | |
5373 { | |
5374 n -= ip->bw_restlen; | |
5375 ip->bw_restlen = 0; | |
5376 } | |
5377 else | |
5378 { | |
5379 ip->bw_restlen -= n; | |
5380 mch_memmove(ip->bw_rest, ip->bw_rest + n, | |
5381 (size_t)ip->bw_restlen); | |
5382 n = 0; | |
5383 } | |
5384 } | |
5385 else | |
5386 { | |
474 | 5387 n = utf_ptr2len_len(buf + wlen, len - wlen); |
7 | 5388 if (n > len - wlen) |
5389 { | |
5390 /* We have an incomplete byte sequence at the end to | |
5391 * be written. We can't convert it without the | |
5392 * remaining bytes. Keep them for the next call. */ | |
5393 if (len - wlen > CONV_RESTLEN) | |
5394 return FAIL; | |
5395 ip->bw_restlen = len - wlen; | |
5396 mch_memmove(ip->bw_rest, buf + wlen, | |
5397 (size_t)ip->bw_restlen); | |
5398 break; | |
5399 } | |
5400 if (n > 1) | |
5401 c = utf_ptr2char(buf + wlen); | |
5402 else | |
5403 c = buf[wlen]; | |
5404 } | |
5405 | |
1947 | 5406 if (ucs2bytes(c, &p, flags) && !ip->bw_conv_error) |
5407 { | |
5408 ip->bw_conv_error = TRUE; | |
5409 ip->bw_conv_error_lnum = ip->bw_start_lnum; | |
5410 } | |
5411 if (c == NL) | |
5412 ++ip->bw_start_lnum; | |
7 | 5413 } |
5414 if (flags & FIO_LATIN1) | |
5415 len = (int)(p - buf); | |
5416 else | |
5417 { | |
5418 buf = ip->bw_conv_buf; | |
5419 len = (int)(p - ip->bw_conv_buf); | |
5420 } | |
5421 } | |
5422 | |
5423 # ifdef WIN3264 | |
5424 else if (flags & FIO_CODEPAGE) | |
5425 { | |
5426 /* | |
5427 * Convert UTF-8 or codepage to UCS-2 and then to MS-Windows | |
5428 * codepage. | |
5429 */ | |
5430 char_u *from; | |
5431 size_t fromlen; | |
5432 char_u *to; | |
5433 int u8c; | |
5434 BOOL bad = FALSE; | |
5435 int needed; | |
5436 | |
5437 if (ip->bw_restlen > 0) | |
5438 { | |
5439 /* Need to concatenate the remainder of the previous call and | |
5440 * the bytes of the current call. Use the end of the | |
5441 * conversion buffer for this. */ | |
5442 fromlen = len + ip->bw_restlen; | |
5443 from = ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; | |
5444 mch_memmove(from, ip->bw_rest, (size_t)ip->bw_restlen); | |
5445 mch_memmove(from + ip->bw_restlen, buf, (size_t)len); | |
5446 } | |
5447 else | |
5448 { | |
5449 from = buf; | |
5450 fromlen = len; | |
5451 } | |
5452 | |
5453 to = ip->bw_conv_buf; | |
5454 if (enc_utf8) | |
5455 { | |
5456 /* Convert from UTF-8 to UCS-2, to the start of the buffer. | |
5457 * The buffer has been allocated to be big enough. */ | |
5458 while (fromlen > 0) | |
5459 { | |
835 | 5460 n = (int)utf_ptr2len_len(from, (int)fromlen); |
7 | 5461 if (n > (int)fromlen) /* incomplete byte sequence */ |
5462 break; | |
5463 u8c = utf_ptr2char(from); | |
5464 *to++ = (u8c & 0xff); | |
5465 *to++ = (u8c >> 8); | |
5466 fromlen -= n; | |
5467 from += n; | |
5468 } | |
5469 | |
5470 /* Copy remainder to ip->bw_rest[] to be used for the next | |
5471 * call. */ | |
5472 if (fromlen > CONV_RESTLEN) | |
5473 { | |
5474 /* weird overlong sequence */ | |
5475 ip->bw_conv_error = TRUE; | |
5476 return FAIL; | |
5477 } | |
5478 mch_memmove(ip->bw_rest, from, fromlen); | |
835 | 5479 ip->bw_restlen = (int)fromlen; |
7 | 5480 } |
5481 else | |
5482 { | |
5483 /* Convert from enc_codepage to UCS-2, to the start of the | |
5484 * buffer. The buffer has been allocated to be big enough. */ | |
5485 ip->bw_restlen = 0; | |
5486 needed = MultiByteToWideChar(enc_codepage, | |
1142 | 5487 MB_ERR_INVALID_CHARS, (LPCSTR)from, (int)fromlen, |
7 | 5488 NULL, 0); |
5489 if (needed == 0) | |
5490 { | |
5491 /* When conversion fails there may be a trailing byte. */ | |
5492 needed = MultiByteToWideChar(enc_codepage, | |
1142 | 5493 MB_ERR_INVALID_CHARS, (LPCSTR)from, (int)fromlen - 1, |
7 | 5494 NULL, 0); |
5495 if (needed == 0) | |
5496 { | |
5497 /* Conversion doesn't work. */ | |
5498 ip->bw_conv_error = TRUE; | |
5499 return FAIL; | |
5500 } | |
5501 /* Save the trailing byte for the next call. */ | |
5502 ip->bw_rest[0] = from[fromlen - 1]; | |
5503 ip->bw_restlen = 1; | |
5504 } | |
5505 needed = MultiByteToWideChar(enc_codepage, MB_ERR_INVALID_CHARS, | |
1142 | 5506 (LPCSTR)from, (int)(fromlen - ip->bw_restlen), |
7 | 5507 (LPWSTR)to, needed); |
5508 if (needed == 0) | |
5509 { | |
5510 /* Safety check: Conversion doesn't work. */ | |
5511 ip->bw_conv_error = TRUE; | |
5512 return FAIL; | |
5513 } | |
5514 to += needed * 2; | |
5515 } | |
5516 | |
5517 fromlen = to - ip->bw_conv_buf; | |
5518 buf = to; | |
5519 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
5520 if (FIO_GET_CP(flags) == CP_UTF8) | |
5521 { | |
5522 /* Convert from UCS-2 to UTF-8, using the remainder of the | |
5523 * conversion buffer. Fails when out of space. */ | |
5524 for (from = ip->bw_conv_buf; fromlen > 1; fromlen -= 2) | |
5525 { | |
5526 u8c = *from++; | |
5527 u8c += (*from++ << 8); | |
5528 to += utf_char2bytes(u8c, to); | |
5529 if (to + 6 >= ip->bw_conv_buf + ip->bw_conv_buflen) | |
5530 { | |
5531 ip->bw_conv_error = TRUE; | |
5532 return FAIL; | |
5533 } | |
5534 } | |
835 | 5535 len = (int)(to - buf); |
7 | 5536 } |
5537 else | |
5538 #endif | |
5539 { | |
5540 /* Convert from UCS-2 to the codepage, using the remainder of | |
5541 * the conversion buffer. If the conversion uses the default | |
5542 * character "0", the data doesn't fit in this encoding, so | |
5543 * fail. */ | |
5544 len = WideCharToMultiByte(FIO_GET_CP(flags), 0, | |
5545 (LPCWSTR)ip->bw_conv_buf, (int)fromlen / sizeof(WCHAR), | |
1142 | 5546 (LPSTR)to, (int)(ip->bw_conv_buflen - fromlen), 0, |
5547 &bad); | |
7 | 5548 if (bad) |
5549 { | |
5550 ip->bw_conv_error = TRUE; | |
5551 return FAIL; | |
5552 } | |
5553 } | |
5554 } | |
5555 # endif | |
5556 | |
765 | 5557 # ifdef MACOS_CONVERT |
7 | 5558 else if (flags & FIO_MACROMAN) |
5559 { | |
5560 /* | |
5561 * Convert UTF-8 or latin1 to Apple MacRoman. | |
5562 */ | |
5563 char_u *from; | |
5564 size_t fromlen; | |
5565 | |
5566 if (ip->bw_restlen > 0) | |
5567 { | |
5568 /* Need to concatenate the remainder of the previous call and | |
5569 * the bytes of the current call. Use the end of the | |
5570 * conversion buffer for this. */ | |
5571 fromlen = len + ip->bw_restlen; | |
5572 from = ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; | |
5573 mch_memmove(from, ip->bw_rest, (size_t)ip->bw_restlen); | |
5574 mch_memmove(from + ip->bw_restlen, buf, (size_t)len); | |
5575 } | |
5576 else | |
5577 { | |
5578 from = buf; | |
5579 fromlen = len; | |
5580 } | |
5581 | |
18 | 5582 if (enc2macroman(from, fromlen, |
5583 ip->bw_conv_buf, &len, ip->bw_conv_buflen, | |
5584 ip->bw_rest, &ip->bw_restlen) == FAIL) | |
7 | 5585 { |
5586 ip->bw_conv_error = TRUE; | |
5587 return FAIL; | |
5588 } | |
5589 buf = ip->bw_conv_buf; | |
5590 } | |
5591 # endif | |
5592 | |
5593 # ifdef USE_ICONV | |
5594 if (ip->bw_iconv_fd != (iconv_t)-1) | |
5595 { | |
5596 const char *from; | |
5597 size_t fromlen; | |
5598 char *to; | |
5599 size_t tolen; | |
5600 | |
5601 /* Convert with iconv(). */ | |
5602 if (ip->bw_restlen > 0) | |
5603 { | |
1836 | 5604 char *fp; |
5605 | |
7 | 5606 /* Need to concatenate the remainder of the previous call and |
5607 * the bytes of the current call. Use the end of the | |
5608 * conversion buffer for this. */ | |
5609 fromlen = len + ip->bw_restlen; | |
1836 | 5610 fp = (char *)ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; |
5611 mch_memmove(fp, ip->bw_rest, (size_t)ip->bw_restlen); | |
5612 mch_memmove(fp + ip->bw_restlen, buf, (size_t)len); | |
5613 from = fp; | |
7 | 5614 tolen = ip->bw_conv_buflen - fromlen; |
5615 } | |
5616 else | |
5617 { | |
5618 from = (const char *)buf; | |
5619 fromlen = len; | |
5620 tolen = ip->bw_conv_buflen; | |
5621 } | |
5622 to = (char *)ip->bw_conv_buf; | |
5623 | |
5624 if (ip->bw_first) | |
5625 { | |
5626 size_t save_len = tolen; | |
5627 | |
5628 /* output the initial shift state sequence */ | |
5629 (void)iconv(ip->bw_iconv_fd, NULL, NULL, &to, &tolen); | |
5630 | |
5631 /* There is a bug in iconv() on Linux (which appears to be | |
5632 * wide-spread) which sets "to" to NULL and messes up "tolen". | |
5633 */ | |
5634 if (to == NULL) | |
5635 { | |
5636 to = (char *)ip->bw_conv_buf; | |
5637 tolen = save_len; | |
5638 } | |
5639 ip->bw_first = FALSE; | |
5640 } | |
5641 | |
5642 /* | |
5643 * If iconv() has an error or there is not enough room, fail. | |
5644 */ | |
5645 if ((iconv(ip->bw_iconv_fd, (void *)&from, &fromlen, &to, &tolen) | |
5646 == (size_t)-1 && ICONV_ERRNO != ICONV_EINVAL) | |
5647 || fromlen > CONV_RESTLEN) | |
5648 { | |
5649 ip->bw_conv_error = TRUE; | |
5650 return FAIL; | |
5651 } | |
5652 | |
5653 /* copy remainder to ip->bw_rest[] to be used for the next call. */ | |
5654 if (fromlen > 0) | |
5655 mch_memmove(ip->bw_rest, (void *)from, fromlen); | |
5656 ip->bw_restlen = (int)fromlen; | |
5657 | |
5658 buf = ip->bw_conv_buf; | |
5659 len = (int)((char_u *)to - ip->bw_conv_buf); | |
5660 } | |
5661 # endif | |
5662 } | |
5663 #endif /* FEAT_MBYTE */ | |
5664 | |
5665 #ifdef FEAT_CRYPT | |
6122 | 5666 if (flags & FIO_ENCRYPTED) |
5667 { | |
5668 /* Encrypt the data. Do it in-place if possible, otherwise use an | |
5669 * allocated buffer. */ | |
5670 if (crypt_works_inplace(ip->bw_buffer->b_cryptstate)) | |
5671 { | |
5672 crypt_encode_inplace(ip->bw_buffer->b_cryptstate, buf, len); | |
5673 } | |
5674 else | |
5675 { | |
5676 char_u *outbuf; | |
5677 | |
5678 len = crypt_encode_alloc(curbuf->b_cryptstate, buf, len, &outbuf); | |
5679 if (len == 0) | |
5680 return OK; /* Crypt layer is buffering, will flush later. */ | |
5681 wlen = write_eintr(ip->bw_fd, outbuf, len); | |
5682 vim_free(outbuf); | |
5683 return (wlen < len) ? FAIL : OK; | |
5684 } | |
5685 } | |
7 | 5686 #endif |
5687 | |
2664 | 5688 wlen = write_eintr(ip->bw_fd, buf, len); |
5689 return (wlen < len) ? FAIL : OK; | |
7 | 5690 } |
5691 | |
5692 #ifdef FEAT_MBYTE | |
5693 /* | |
5694 * Convert a Unicode character to bytes. | |
1947 | 5695 * Return TRUE for an error, FALSE when it's OK. |
7 | 5696 */ |
5697 static int | |
5698 ucs2bytes(c, pp, flags) | |
5699 unsigned c; /* in: character */ | |
5700 char_u **pp; /* in/out: pointer to result */ | |
5701 int flags; /* FIO_ flags */ | |
5702 { | |
5703 char_u *p = *pp; | |
5704 int error = FALSE; | |
5705 int cc; | |
5706 | |
5707 | |
5708 if (flags & FIO_UCS4) | |
5709 { | |
5710 if (flags & FIO_ENDIAN_L) | |
5711 { | |
5712 *p++ = c; | |
5713 *p++ = (c >> 8); | |
5714 *p++ = (c >> 16); | |
5715 *p++ = (c >> 24); | |
5716 } | |
5717 else | |
5718 { | |
5719 *p++ = (c >> 24); | |
5720 *p++ = (c >> 16); | |
5721 *p++ = (c >> 8); | |
5722 *p++ = c; | |
5723 } | |
5724 } | |
5725 else if (flags & (FIO_UCS2 | FIO_UTF16)) | |
5726 { | |
5727 if (c >= 0x10000) | |
5728 { | |
5729 if (flags & FIO_UTF16) | |
5730 { | |
5731 /* Make two words, ten bits of the character in each. First | |
5732 * word is 0xd800 - 0xdbff, second one 0xdc00 - 0xdfff */ | |
5733 c -= 0x10000; | |
5734 if (c >= 0x100000) | |
5735 error = TRUE; | |
5736 cc = ((c >> 10) & 0x3ff) + 0xd800; | |
5737 if (flags & FIO_ENDIAN_L) | |
5738 { | |
5739 *p++ = cc; | |
5740 *p++ = ((unsigned)cc >> 8); | |
5741 } | |
5742 else | |
5743 { | |
5744 *p++ = ((unsigned)cc >> 8); | |
5745 *p++ = cc; | |
5746 } | |
5747 c = (c & 0x3ff) + 0xdc00; | |
5748 } | |
5749 else | |
5750 error = TRUE; | |
5751 } | |
5752 if (flags & FIO_ENDIAN_L) | |
5753 { | |
5754 *p++ = c; | |
5755 *p++ = (c >> 8); | |
5756 } | |
5757 else | |
5758 { | |
5759 *p++ = (c >> 8); | |
5760 *p++ = c; | |
5761 } | |
5762 } | |
5763 else /* Latin1 */ | |
5764 { | |
5765 if (c >= 0x100) | |
5766 { | |
5767 error = TRUE; | |
5768 *p++ = 0xBF; | |
5769 } | |
5770 else | |
5771 *p++ = c; | |
5772 } | |
5773 | |
5774 *pp = p; | |
5775 return error; | |
5776 } | |
5777 | |
5778 /* | |
1948 | 5779 * Return TRUE if file encoding "fenc" requires conversion from or to |
5780 * 'encoding'. | |
7 | 5781 */ |
5782 static int | |
1948 | 5783 need_conversion(fenc) |
5784 char_u *fenc; | |
7 | 5785 { |
1948 | 5786 int same_encoding; |
5787 int enc_flags; | |
5788 int fenc_flags; | |
5789 | |
5790 if (*fenc == NUL || STRCMP(p_enc, fenc) == 0) | |
2217
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
5791 { |
1948 | 5792 same_encoding = TRUE; |
2217
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
5793 fenc_flags = 0; |
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
5794 } |
1948 | 5795 else |
5796 { | |
5797 /* Ignore difference between "ansi" and "latin1", "ucs-4" and | |
5798 * "ucs-4be", etc. */ | |
5799 enc_flags = get_fio_flags(p_enc); | |
5800 fenc_flags = get_fio_flags(fenc); | |
5801 same_encoding = (enc_flags != 0 && fenc_flags == enc_flags); | |
5802 } | |
5803 if (same_encoding) | |
5804 { | |
5805 /* Specified encoding matches with 'encoding'. This requires | |
5806 * conversion when 'encoding' is Unicode but not UTF-8. */ | |
5807 return enc_unicode != 0; | |
5808 } | |
5809 | |
5810 /* Encodings differ. However, conversion is not needed when 'enc' is any | |
5811 * Unicode encoding and the file is UTF-8. */ | |
5812 return !(enc_utf8 && fenc_flags == FIO_UTF8); | |
7 | 5813 } |
5814 | |
5815 /* | |
5816 * Check "ptr" for a unicode encoding and return the FIO_ flags needed for the | |
5817 * internal conversion. | |
5818 * if "ptr" is an empty string, use 'encoding'. | |
5819 */ | |
5820 static int | |
5821 get_fio_flags(ptr) | |
5822 char_u *ptr; | |
5823 { | |
5824 int prop; | |
5825 | |
5826 if (*ptr == NUL) | |
5827 ptr = p_enc; | |
5828 | |
5829 prop = enc_canon_props(ptr); | |
5830 if (prop & ENC_UNICODE) | |
5831 { | |
5832 if (prop & ENC_2BYTE) | |
5833 { | |
5834 if (prop & ENC_ENDIAN_L) | |
5835 return FIO_UCS2 | FIO_ENDIAN_L; | |
5836 return FIO_UCS2; | |
5837 } | |
5838 if (prop & ENC_4BYTE) | |
5839 { | |
5840 if (prop & ENC_ENDIAN_L) | |
5841 return FIO_UCS4 | FIO_ENDIAN_L; | |
5842 return FIO_UCS4; | |
5843 } | |
5844 if (prop & ENC_2WORD) | |
5845 { | |
5846 if (prop & ENC_ENDIAN_L) | |
5847 return FIO_UTF16 | FIO_ENDIAN_L; | |
5848 return FIO_UTF16; | |
5849 } | |
5850 return FIO_UTF8; | |
5851 } | |
5852 if (prop & ENC_LATIN1) | |
5853 return FIO_LATIN1; | |
5854 /* must be ENC_DBCS, requires iconv() */ | |
5855 return 0; | |
5856 } | |
5857 | |
5858 #ifdef WIN3264 | |
5859 /* | |
5860 * Check "ptr" for a MS-Windows codepage name and return the FIO_ flags needed | |
5861 * for the conversion MS-Windows can do for us. Also accept "utf-8". | |
5862 * Used for conversion between 'encoding' and 'fileencoding'. | |
5863 */ | |
5864 static int | |
5865 get_win_fio_flags(ptr) | |
5866 char_u *ptr; | |
5867 { | |
5868 int cp; | |
5869 | |
5870 /* Cannot do this when 'encoding' is not utf-8 and not a codepage. */ | |
5871 if (!enc_utf8 && enc_codepage <= 0) | |
5872 return 0; | |
5873 | |
5874 cp = encname2codepage(ptr); | |
5875 if (cp == 0) | |
5876 { | |
5877 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
5878 if (STRCMP(ptr, "utf-8") == 0) | |
5879 cp = CP_UTF8; | |
5880 else | |
5881 # endif | |
5882 return 0; | |
5883 } | |
5884 return FIO_PUT_CP(cp) | FIO_CODEPAGE; | |
5885 } | |
5886 #endif | |
5887 | |
5888 #ifdef MACOS_X | |
5889 /* | |
5890 * Check "ptr" for a Carbon supported encoding and return the FIO_ flags | |
5891 * needed for the internal conversion to/from utf-8 or latin1. | |
5892 */ | |
5893 static int | |
5894 get_mac_fio_flags(ptr) | |
5895 char_u *ptr; | |
5896 { | |
5897 if ((enc_utf8 || STRCMP(p_enc, "latin1") == 0) | |
5898 && (enc_canon_props(ptr) & ENC_MACROMAN)) | |
5899 return FIO_MACROMAN; | |
5900 return 0; | |
5901 } | |
5902 #endif | |
5903 | |
5904 /* | |
5905 * Check for a Unicode BOM (Byte Order Mark) at the start of p[size]. | |
5906 * "size" must be at least 2. | |
5907 * Return the name of the encoding and set "*lenp" to the length. | |
5908 * Returns NULL when no BOM found. | |
5909 */ | |
5910 static char_u * | |
5911 check_for_bom(p, size, lenp, flags) | |
5912 char_u *p; | |
5913 long size; | |
5914 int *lenp; | |
5915 int flags; | |
5916 { | |
5917 char *name = NULL; | |
5918 int len = 2; | |
5919 | |
5920 if (p[0] == 0xef && p[1] == 0xbb && size >= 3 && p[2] == 0xbf | |
1688 | 5921 && (flags == FIO_ALL || flags == FIO_UTF8 || flags == 0)) |
7 | 5922 { |
5923 name = "utf-8"; /* EF BB BF */ | |
5924 len = 3; | |
5925 } | |
5926 else if (p[0] == 0xff && p[1] == 0xfe) | |
5927 { | |
5928 if (size >= 4 && p[2] == 0 && p[3] == 0 | |
5929 && (flags == FIO_ALL || flags == (FIO_UCS4 | FIO_ENDIAN_L))) | |
5930 { | |
5931 name = "ucs-4le"; /* FF FE 00 00 */ | |
5932 len = 4; | |
5933 } | |
1735 | 5934 else if (flags == (FIO_UCS2 | FIO_ENDIAN_L)) |
7 | 5935 name = "ucs-2le"; /* FF FE */ |
1735 | 5936 else if (flags == FIO_ALL || flags == (FIO_UTF16 | FIO_ENDIAN_L)) |
5937 /* utf-16le is preferred, it also works for ucs-2le text */ | |
7 | 5938 name = "utf-16le"; /* FF FE */ |
5939 } | |
5940 else if (p[0] == 0xfe && p[1] == 0xff | |
5941 && (flags == FIO_ALL || flags == FIO_UCS2 || flags == FIO_UTF16)) | |
5942 { | |
1547 | 5943 /* Default to utf-16, it works also for ucs-2 text. */ |
5944 if (flags == FIO_UCS2) | |
5945 name = "ucs-2"; /* FE FF */ | |
5946 else | |
7 | 5947 name = "utf-16"; /* FE FF */ |
5948 } | |
5949 else if (size >= 4 && p[0] == 0 && p[1] == 0 && p[2] == 0xfe | |
5950 && p[3] == 0xff && (flags == FIO_ALL || flags == FIO_UCS4)) | |
5951 { | |
5952 name = "ucs-4"; /* 00 00 FE FF */ | |
5953 len = 4; | |
5954 } | |
5955 | |
5956 *lenp = len; | |
5957 return (char_u *)name; | |
5958 } | |
5959 | |
5960 /* | |
5961 * Generate a BOM in "buf[4]" for encoding "name". | |
5962 * Return the length of the BOM (zero when no BOM). | |
5963 */ | |
5964 static int | |
5965 make_bom(buf, name) | |
5966 char_u *buf; | |
5967 char_u *name; | |
5968 { | |
5969 int flags; | |
5970 char_u *p; | |
5971 | |
5972 flags = get_fio_flags(name); | |
5973 | |
5974 /* Can't put a BOM in a non-Unicode file. */ | |
5975 if (flags == FIO_LATIN1 || flags == 0) | |
5976 return 0; | |
5977 | |
5978 if (flags == FIO_UTF8) /* UTF-8 */ | |
5979 { | |
5980 buf[0] = 0xef; | |
5981 buf[1] = 0xbb; | |
5982 buf[2] = 0xbf; | |
5983 return 3; | |
5984 } | |
5985 p = buf; | |
5986 (void)ucs2bytes(0xfeff, &p, flags); | |
5987 return (int)(p - buf); | |
5988 } | |
5989 #endif | |
5990 | |
1418 | 5991 #if defined(FEAT_VIMINFO) || defined(FEAT_BROWSE) || \ |
1471 | 5992 defined(FEAT_QUICKFIX) || defined(FEAT_AUTOCMD) || defined(PROTO) |
7 | 5993 /* |
5994 * Try to find a shortname by comparing the fullname with the current | |
5995 * directory. | |
1411 | 5996 * Returns "full_path" or pointer into "full_path" if shortened. |
5997 */ | |
5998 char_u * | |
5999 shorten_fname1(full_path) | |
6000 char_u *full_path; | |
6001 { | |
2770 | 6002 char_u *dirname; |
1411 | 6003 char_u *p = full_path; |
6004 | |
2770 | 6005 dirname = alloc(MAXPATHL); |
6006 if (dirname == NULL) | |
6007 return full_path; | |
1411 | 6008 if (mch_dirname(dirname, MAXPATHL) == OK) |
6009 { | |
6010 p = shorten_fname(full_path, dirname); | |
6011 if (p == NULL || *p == NUL) | |
6012 p = full_path; | |
6013 } | |
2770 | 6014 vim_free(dirname); |
1411 | 6015 return p; |
6016 } | |
1418 | 6017 #endif |
1411 | 6018 |
6019 /* | |
6020 * Try to find a shortname by comparing the fullname with the current | |
6021 * directory. | |
7 | 6022 * Returns NULL if not shorter name possible, pointer into "full_path" |
6023 * otherwise. | |
6024 */ | |
6025 char_u * | |
6026 shorten_fname(full_path, dir_name) | |
6027 char_u *full_path; | |
6028 char_u *dir_name; | |
6029 { | |
6030 int len; | |
6031 char_u *p; | |
6032 | |
6033 if (full_path == NULL) | |
6034 return NULL; | |
6035 len = (int)STRLEN(dir_name); | |
6036 if (fnamencmp(dir_name, full_path, len) == 0) | |
6037 { | |
6038 p = full_path + len; | |
6039 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
6040 /* | |
6041 * MSDOS: when a file is in the root directory, dir_name will end in a | |
6042 * slash, since C: by itself does not define a specific dir. In this | |
6043 * case p may already be correct. <negri> | |
6044 */ | |
6045 if (!((len > 2) && (*(p - 2) == ':'))) | |
6046 #endif | |
6047 { | |
6048 if (vim_ispathsep(*p)) | |
6049 ++p; | |
6050 #ifndef VMS /* the path separator is always part of the path */ | |
6051 else | |
6052 p = NULL; | |
6053 #endif | |
6054 } | |
6055 } | |
6056 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
6057 /* | |
6058 * When using a file in the current drive, remove the drive name: | |
6059 * "A:\dir\file" -> "\dir\file". This helps when moving a session file on | |
6060 * a floppy from "A:\dir" to "B:\dir". | |
6061 */ | |
6062 else if (len > 3 | |
6063 && TOUPPER_LOC(full_path[0]) == TOUPPER_LOC(dir_name[0]) | |
6064 && full_path[1] == ':' | |
6065 && vim_ispathsep(full_path[2])) | |
6066 p = full_path + 2; | |
6067 #endif | |
6068 else | |
6069 p = NULL; | |
6070 return p; | |
6071 } | |
6072 | |
6073 /* | |
6074 * Shorten filenames for all buffers. | |
6075 * When "force" is TRUE: Use full path from now on for files currently being | |
6076 * edited, both for file name and swap file name. Try to shorten the file | |
6077 * names a bit, if safe to do so. | |
6078 * When "force" is FALSE: Only try to shorten absolute file names. | |
6079 * For buffers that have buftype "nofile" or "scratch": never change the file | |
6080 * name. | |
6081 */ | |
6082 void | |
6083 shorten_fnames(force) | |
6084 int force; | |
6085 { | |
6086 char_u dirname[MAXPATHL]; | |
6087 buf_T *buf; | |
6088 char_u *p; | |
6089 | |
6090 mch_dirname(dirname, MAXPATHL); | |
6091 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
6092 { | |
6093 if (buf->b_fname != NULL | |
6094 #ifdef FEAT_QUICKFIX | |
6095 && !bt_nofile(buf) | |
6096 #endif | |
6097 && !path_with_url(buf->b_fname) | |
6098 && (force | |
6099 || buf->b_sfname == NULL | |
6100 || mch_isFullName(buf->b_sfname))) | |
6101 { | |
6102 vim_free(buf->b_sfname); | |
6103 buf->b_sfname = NULL; | |
6104 p = shorten_fname(buf->b_ffname, dirname); | |
6105 if (p != NULL) | |
6106 { | |
6107 buf->b_sfname = vim_strsave(p); | |
6108 buf->b_fname = buf->b_sfname; | |
6109 } | |
6110 if (p == NULL || buf->b_fname == NULL) | |
6111 buf->b_fname = buf->b_ffname; | |
9 | 6112 } |
6113 | |
6114 /* Always make the swap file name a full path, a "nofile" buffer may | |
6115 * also have a swap file. */ | |
6116 mf_fullname(buf->b_ml.ml_mfp); | |
7 | 6117 } |
6118 #ifdef FEAT_WINDOWS | |
6119 status_redraw_all(); | |
672 | 6120 redraw_tabline = TRUE; |
7 | 6121 #endif |
6122 } | |
6123 | |
6124 #if (defined(FEAT_DND) && defined(FEAT_GUI_GTK)) \ | |
6125 || defined(FEAT_GUI_MSWIN) \ | |
6126 || defined(FEAT_GUI_MAC) \ | |
6127 || defined(PROTO) | |
6128 /* | |
6129 * Shorten all filenames in "fnames[count]" by current directory. | |
6130 */ | |
6131 void | |
6132 shorten_filenames(fnames, count) | |
6133 char_u **fnames; | |
6134 int count; | |
6135 { | |
6136 int i; | |
6137 char_u dirname[MAXPATHL]; | |
6138 char_u *p; | |
6139 | |
6140 if (fnames == NULL || count < 1) | |
6141 return; | |
6142 mch_dirname(dirname, sizeof(dirname)); | |
6143 for (i = 0; i < count; ++i) | |
6144 { | |
6145 if ((p = shorten_fname(fnames[i], dirname)) != NULL) | |
6146 { | |
6147 /* shorten_fname() returns pointer in given "fnames[i]". If free | |
6148 * "fnames[i]" first, "p" becomes invalid. So we need to copy | |
6149 * "p" first then free fnames[i]. */ | |
6150 p = vim_strsave(p); | |
6151 vim_free(fnames[i]); | |
6152 fnames[i] = p; | |
6153 } | |
6154 } | |
6155 } | |
6156 #endif | |
6157 | |
6158 /* | |
1651 | 6159 * add extension to file name - change path/fo.o.h to path/fo.o.h.ext or |
7 | 6160 * fo_o_h.ext for MSDOS or when shortname option set. |
6161 * | |
6162 * Assumed that fname is a valid name found in the filesystem we assure that | |
6163 * the return value is a different name and ends in 'ext'. | |
6164 * "ext" MUST be at most 4 characters long if it starts with a dot, 3 | |
6165 * characters otherwise. | |
6166 * Space for the returned name is allocated, must be freed later. | |
6167 * Returns NULL when out of memory. | |
6168 */ | |
6169 char_u * | |
6170 modname(fname, ext, prepend_dot) | |
6171 char_u *fname, *ext; | |
6172 int prepend_dot; /* may prepend a '.' to file name */ | |
6173 { | |
6174 return buf_modname( | |
6175 #ifdef SHORT_FNAME | |
6176 TRUE, | |
6177 #else | |
6178 (curbuf->b_p_sn || curbuf->b_shortname), | |
6179 #endif | |
6180 fname, ext, prepend_dot); | |
6181 } | |
6182 | |
6183 char_u * | |
6184 buf_modname(shortname, fname, ext, prepend_dot) | |
6185 int shortname; /* use 8.3 file name */ | |
6186 char_u *fname, *ext; | |
6187 int prepend_dot; /* may prepend a '.' to file name */ | |
6188 { | |
6189 char_u *retval; | |
6190 char_u *s; | |
6191 char_u *e; | |
6192 char_u *ptr; | |
6193 int fnamelen, extlen; | |
6194 | |
6195 extlen = (int)STRLEN(ext); | |
6196 | |
6197 /* | |
6198 * If there is no file name we must get the name of the current directory | |
6199 * (we need the full path in case :cd is used). | |
6200 */ | |
6201 if (fname == NULL || *fname == NUL) | |
6202 { | |
6203 retval = alloc((unsigned)(MAXPATHL + extlen + 3)); | |
6204 if (retval == NULL) | |
6205 return NULL; | |
6206 if (mch_dirname(retval, MAXPATHL) == FAIL || | |
6207 (fnamelen = (int)STRLEN(retval)) == 0) | |
6208 { | |
6209 vim_free(retval); | |
6210 return NULL; | |
6211 } | |
39 | 6212 if (!after_pathsep(retval, retval + fnamelen)) |
7 | 6213 { |
6214 retval[fnamelen++] = PATHSEP; | |
6215 retval[fnamelen] = NUL; | |
6216 } | |
6217 #ifndef SHORT_FNAME | |
6218 prepend_dot = FALSE; /* nothing to prepend a dot to */ | |
6219 #endif | |
6220 } | |
6221 else | |
6222 { | |
6223 fnamelen = (int)STRLEN(fname); | |
6224 retval = alloc((unsigned)(fnamelen + extlen + 3)); | |
6225 if (retval == NULL) | |
6226 return NULL; | |
6227 STRCPY(retval, fname); | |
6228 #ifdef VMS | |
6229 vms_remove_version(retval); /* we do not need versions here */ | |
6230 #endif | |
6231 } | |
6232 | |
6233 /* | |
6234 * search backwards until we hit a '/', '\' or ':' replacing all '.' | |
6235 * by '_' for MSDOS or when shortname option set and ext starts with a dot. | |
6236 * Then truncate what is after the '/', '\' or ':' to 8 characters for | |
6237 * MSDOS and 26 characters for AMIGA, a lot more for UNIX. | |
6238 */ | |
391 | 6239 for (ptr = retval + fnamelen; ptr > retval; mb_ptr_back(retval, ptr)) |
7 | 6240 { |
6241 if (*ext == '.' | |
2823 | 6242 #ifdef USE_LONG_FNAME |
7 | 6243 && (!USE_LONG_FNAME || shortname) |
2823 | 6244 #else |
6245 # ifndef SHORT_FNAME | |
7 | 6246 && shortname |
6247 # endif | |
2823 | 6248 #endif |
7 | 6249 ) |
6250 if (*ptr == '.') /* replace '.' by '_' */ | |
6251 *ptr = '_'; | |
6252 if (vim_ispathsep(*ptr)) | |
391 | 6253 { |
6254 ++ptr; | |
7 | 6255 break; |
391 | 6256 } |
6257 } | |
7 | 6258 |
6259 /* the file name has at most BASENAMELEN characters. */ | |
6260 #ifndef SHORT_FNAME | |
6261 if (STRLEN(ptr) > (unsigned)BASENAMELEN) | |
6262 ptr[BASENAMELEN] = '\0'; | |
6263 #endif | |
6264 | |
6265 s = ptr + STRLEN(ptr); | |
6266 | |
6267 /* | |
6268 * For 8.3 file names we may have to reduce the length. | |
6269 */ | |
6270 #ifdef USE_LONG_FNAME | |
6271 if (!USE_LONG_FNAME || shortname) | |
6272 #else | |
6273 # ifndef SHORT_FNAME | |
6274 if (shortname) | |
6275 # endif | |
6276 #endif | |
6277 { | |
6278 /* | |
6279 * If there is no file name, or the file name ends in '/', and the | |
6280 * extension starts with '.', put a '_' before the dot, because just | |
6281 * ".ext" is invalid. | |
6282 */ | |
6283 if (fname == NULL || *fname == NUL | |
6284 || vim_ispathsep(fname[STRLEN(fname) - 1])) | |
6285 { | |
6286 if (*ext == '.') | |
6287 *s++ = '_'; | |
6288 } | |
6289 /* | |
6290 * If the extension starts with '.', truncate the base name at 8 | |
6291 * characters | |
6292 */ | |
6293 else if (*ext == '.') | |
6294 { | |
1877 | 6295 if ((size_t)(s - ptr) > (size_t)8) |
7 | 6296 { |
6297 s = ptr + 8; | |
6298 *s = '\0'; | |
6299 } | |
6300 } | |
6301 /* | |
6302 * If the extension doesn't start with '.', and the file name | |
6303 * doesn't have an extension yet, append a '.' | |
6304 */ | |
6305 else if ((e = vim_strchr(ptr, '.')) == NULL) | |
6306 *s++ = '.'; | |
6307 /* | |
6308 * If the extension doesn't start with '.', and there already is an | |
1201 | 6309 * extension, it may need to be truncated |
7 | 6310 */ |
6311 else if ((int)STRLEN(e) + extlen > 4) | |
6312 s = e + 4 - extlen; | |
6313 } | |
6314 #if defined(OS2) || defined(USE_LONG_FNAME) || defined(WIN3264) | |
6315 /* | |
6316 * If there is no file name, and the extension starts with '.', put a | |
6317 * '_' before the dot, because just ".ext" may be invalid if it's on a | |
6318 * FAT partition, and on HPFS it doesn't matter. | |
6319 */ | |
6320 else if ((fname == NULL || *fname == NUL) && *ext == '.') | |
6321 *s++ = '_'; | |
6322 #endif | |
6323 | |
6324 /* | |
1651 | 6325 * Append the extension. |
7 | 6326 * ext can start with '.' and cannot exceed 3 more characters. |
6327 */ | |
6328 STRCPY(s, ext); | |
6329 | |
6330 #ifndef SHORT_FNAME | |
6331 /* | |
6332 * Prepend the dot. | |
6333 */ | |
2823 | 6334 if (prepend_dot && !shortname && *(e = gettail(retval)) != '.' |
7 | 6335 #ifdef USE_LONG_FNAME |
6336 && USE_LONG_FNAME | |
6337 #endif | |
6338 ) | |
6339 { | |
1620 | 6340 STRMOVE(e + 1, e); |
7 | 6341 *e = '.'; |
6342 } | |
6343 #endif | |
6344 | |
6345 /* | |
6346 * Check that, after appending the extension, the file name is really | |
6347 * different. | |
6348 */ | |
6349 if (fname != NULL && STRCMP(fname, retval) == 0) | |
6350 { | |
6351 /* we search for a character that can be replaced by '_' */ | |
6352 while (--s >= ptr) | |
6353 { | |
6354 if (*s != '_') | |
6355 { | |
6356 *s = '_'; | |
6357 break; | |
6358 } | |
6359 } | |
6360 if (s < ptr) /* fname was "________.<ext>", how tricky! */ | |
6361 *ptr = 'v'; | |
6362 } | |
6363 return retval; | |
6364 } | |
6365 | |
6366 /* | |
6367 * Like fgets(), but if the file line is too long, it is truncated and the | |
6368 * rest of the line is thrown away. Returns TRUE for end-of-file. | |
6369 */ | |
6370 int | |
6371 vim_fgets(buf, size, fp) | |
6372 char_u *buf; | |
6373 int size; | |
6374 FILE *fp; | |
6375 { | |
6376 char *eof; | |
6377 #define FGETS_SIZE 200 | |
6378 char tbuf[FGETS_SIZE]; | |
6379 | |
6380 buf[size - 2] = NUL; | |
6381 #ifdef USE_CR | |
6382 eof = fgets_cr((char *)buf, size, fp); | |
6383 #else | |
6384 eof = fgets((char *)buf, size, fp); | |
6385 #endif | |
6386 if (buf[size - 2] != NUL && buf[size - 2] != '\n') | |
6387 { | |
6388 buf[size - 1] = NUL; /* Truncate the line */ | |
6389 | |
6390 /* Now throw away the rest of the line: */ | |
6391 do | |
6392 { | |
6393 tbuf[FGETS_SIZE - 2] = NUL; | |
6394 #ifdef USE_CR | |
1757 | 6395 ignoredp = fgets_cr((char *)tbuf, FGETS_SIZE, fp); |
7 | 6396 #else |
1757 | 6397 ignoredp = fgets((char *)tbuf, FGETS_SIZE, fp); |
7 | 6398 #endif |
6399 } while (tbuf[FGETS_SIZE - 2] != NUL && tbuf[FGETS_SIZE - 2] != '\n'); | |
6400 } | |
6401 return (eof == NULL); | |
6402 } | |
6403 | |
6404 #if defined(USE_CR) || defined(PROTO) | |
6405 /* | |
6406 * Like vim_fgets(), but accept any line terminator: CR, CR-LF or LF. | |
6407 * Returns TRUE for end-of-file. | |
6408 * Only used for the Mac, because it's much slower than vim_fgets(). | |
6409 */ | |
6410 int | |
6411 tag_fgets(buf, size, fp) | |
6412 char_u *buf; | |
6413 int size; | |
6414 FILE *fp; | |
6415 { | |
6416 int i = 0; | |
6417 int c; | |
6418 int eof = FALSE; | |
6419 | |
6420 for (;;) | |
6421 { | |
6422 c = fgetc(fp); | |
6423 if (c == EOF) | |
6424 { | |
6425 eof = TRUE; | |
6426 break; | |
6427 } | |
6428 if (c == '\r') | |
6429 { | |
6430 /* Always store a NL for end-of-line. */ | |
6431 if (i < size - 1) | |
6432 buf[i++] = '\n'; | |
6433 c = fgetc(fp); | |
6434 if (c != '\n') /* Macintosh format: single CR. */ | |
6435 ungetc(c, fp); | |
6436 break; | |
6437 } | |
6438 if (i < size - 1) | |
6439 buf[i++] = c; | |
6440 if (c == '\n') | |
6441 break; | |
6442 } | |
6443 buf[i] = NUL; | |
6444 return eof; | |
6445 } | |
6446 #endif | |
6447 | |
6448 /* | |
6449 * rename() only works if both files are on the same file system, this | |
6450 * function will (attempts to?) copy the file across if rename fails -- webb | |
6451 * Return -1 for failure, 0 for success. | |
6452 */ | |
6453 int | |
6454 vim_rename(from, to) | |
6455 char_u *from; | |
6456 char_u *to; | |
6457 { | |
6458 int fd_in; | |
6459 int fd_out; | |
6460 int n; | |
6461 char *errmsg = NULL; | |
6462 char *buffer; | |
6463 #ifdef AMIGA | |
6464 BPTR flock; | |
6465 #endif | |
6466 struct stat st; | |
194 | 6467 long perm; |
199 | 6468 #ifdef HAVE_ACL |
6469 vim_acl_T acl; /* ACL from original file */ | |
6470 #endif | |
1779 | 6471 int use_tmp_file = FALSE; |
7 | 6472 |
6473 /* | |
1779 | 6474 * When the names are identical, there is nothing to do. When they refer |
6475 * to the same file (ignoring case and slash/backslash differences) but | |
6476 * the file name differs we need to go through a temp file. | |
7 | 6477 */ |
6478 if (fnamecmp(from, to) == 0) | |
1779 | 6479 { |
4242 | 6480 if (p_fic && STRCMP(gettail(from), gettail(to)) != 0) |
1779 | 6481 use_tmp_file = TRUE; |
6482 else | |
6483 return 0; | |
6484 } | |
7 | 6485 |
6486 /* | |
6487 * Fail if the "from" file doesn't exist. Avoids that "to" is deleted. | |
6488 */ | |
6489 if (mch_stat((char *)from, &st) < 0) | |
6490 return -1; | |
6491 | |
1778 | 6492 #ifdef UNIX |
6493 { | |
6494 struct stat st_to; | |
6495 | |
6496 /* It's possible for the source and destination to be the same file. | |
6497 * This happens when "from" and "to" differ in case and are on a FAT32 | |
6498 * filesystem. In that case go through a temp file name. */ | |
6499 if (mch_stat((char *)to, &st_to) >= 0 | |
6500 && st.st_dev == st_to.st_dev | |
6501 && st.st_ino == st_to.st_ino) | |
1779 | 6502 use_tmp_file = TRUE; |
6503 } | |
6504 #endif | |
2793 | 6505 #ifdef WIN3264 |
6506 { | |
6507 BY_HANDLE_FILE_INFORMATION info1, info2; | |
6508 | |
6509 /* It's possible for the source and destination to be the same file. | |
6510 * In that case go through a temp file name. This makes rename("foo", | |
6511 * "./foo") a no-op (in a complicated way). */ | |
6512 if (win32_fileinfo(from, &info1) == FILEINFO_OK | |
6513 && win32_fileinfo(to, &info2) == FILEINFO_OK | |
6514 && info1.dwVolumeSerialNumber == info2.dwVolumeSerialNumber | |
6515 && info1.nFileIndexHigh == info2.nFileIndexHigh | |
6516 && info1.nFileIndexLow == info2.nFileIndexLow) | |
6517 use_tmp_file = TRUE; | |
6518 } | |
6519 #endif | |
1779 | 6520 |
6521 if (use_tmp_file) | |
6522 { | |
6523 char tempname[MAXPATHL + 1]; | |
6524 | |
6525 /* | |
6526 * Find a name that doesn't exist and is in the same directory. | |
6527 * Rename "from" to "tempname" and then rename "tempname" to "to". | |
6528 */ | |
6529 if (STRLEN(from) >= MAXPATHL - 5) | |
6530 return -1; | |
6531 STRCPY(tempname, from); | |
6532 for (n = 123; n < 99999; ++n) | |
6533 { | |
6534 sprintf((char *)gettail((char_u *)tempname), "%d", n); | |
6535 if (mch_stat(tempname, &st) < 0) | |
6536 { | |
6537 if (mch_rename((char *)from, tempname) == 0) | |
1778 | 6538 { |
1779 | 6539 if (mch_rename(tempname, (char *)to) == 0) |
6540 return 0; | |
6541 /* Strange, the second step failed. Try moving the | |
6542 * file back and return failure. */ | |
6543 mch_rename(tempname, (char *)from); | |
1778 | 6544 return -1; |
6545 } | |
1779 | 6546 /* If it fails for one temp name it will most likely fail |
6547 * for any temp name, give up. */ | |
6548 return -1; | |
6549 } | |
6550 } | |
6551 return -1; | |
1778 | 6552 } |
6553 | |
7 | 6554 /* |
6555 * Delete the "to" file, this is required on some systems to make the | |
6556 * mch_rename() work, on other systems it makes sure that we don't have | |
6557 * two files when the mch_rename() fails. | |
6558 */ | |
6559 | |
6560 #ifdef AMIGA | |
6561 /* | |
6562 * With MSDOS-compatible filesystems (crossdos, messydos) it is possible | |
6563 * that the name of the "to" file is the same as the "from" file, even | |
1201 | 6564 * though the names are different. To avoid the chance of accidentally |
7 | 6565 * deleting the "from" file (horror!) we lock it during the remove. |
6566 * | |
6567 * When used for making a backup before writing the file: This should not | |
6568 * happen with ":w", because startscript() should detect this problem and | |
6569 * set buf->b_shortname, causing modname() to return a correct ".bak" file | |
6570 * name. This problem does exist with ":w filename", but then the | |
6571 * original file will be somewhere else so the backup isn't really | |
6572 * important. If autoscripting is off the rename may fail. | |
6573 */ | |
6574 flock = Lock((UBYTE *)from, (long)ACCESS_READ); | |
6575 #endif | |
6576 mch_remove(to); | |
6577 #ifdef AMIGA | |
6578 if (flock) | |
6579 UnLock(flock); | |
6580 #endif | |
6581 | |
6582 /* | |
6583 * First try a normal rename, return if it works. | |
6584 */ | |
6585 if (mch_rename((char *)from, (char *)to) == 0) | |
6586 return 0; | |
6587 | |
6588 /* | |
6589 * Rename() failed, try copying the file. | |
6590 */ | |
194 | 6591 perm = mch_getperm(from); |
199 | 6592 #ifdef HAVE_ACL |
6593 /* For systems that support ACL: get the ACL from the original file. */ | |
6594 acl = mch_get_acl(from); | |
6595 #endif | |
7 | 6596 fd_in = mch_open((char *)from, O_RDONLY|O_EXTRA, 0); |
6597 if (fd_in == -1) | |
1651 | 6598 { |
6599 #ifdef HAVE_ACL | |
6600 mch_free_acl(acl); | |
6601 #endif | |
7 | 6602 return -1; |
1651 | 6603 } |
194 | 6604 |
6605 /* Create the new file with same permissions as the original. */ | |
557 | 6606 fd_out = mch_open((char *)to, |
6607 O_CREAT|O_EXCL|O_WRONLY|O_EXTRA|O_NOFOLLOW, (int)perm); | |
7 | 6608 if (fd_out == -1) |
6609 { | |
6610 close(fd_in); | |
1651 | 6611 #ifdef HAVE_ACL |
6612 mch_free_acl(acl); | |
6613 #endif | |
7 | 6614 return -1; |
6615 } | |
6616 | |
6617 buffer = (char *)alloc(BUFSIZE); | |
6618 if (buffer == NULL) | |
6619 { | |
1651 | 6620 close(fd_out); |
7 | 6621 close(fd_in); |
1651 | 6622 #ifdef HAVE_ACL |
6623 mch_free_acl(acl); | |
6624 #endif | |
7 | 6625 return -1; |
6626 } | |
6627 | |
2664 | 6628 while ((n = read_eintr(fd_in, buffer, BUFSIZE)) > 0) |
6629 if (write_eintr(fd_out, buffer, n) != n) | |
7 | 6630 { |
6631 errmsg = _("E208: Error writing to \"%s\""); | |
6632 break; | |
6633 } | |
6634 | |
6635 vim_free(buffer); | |
6636 close(fd_in); | |
6637 if (close(fd_out) < 0) | |
6638 errmsg = _("E209: Error closing \"%s\""); | |
6639 if (n < 0) | |
6640 { | |
6641 errmsg = _("E210: Error reading \"%s\""); | |
6642 to = from; | |
6643 } | |
1201 | 6644 #ifndef UNIX /* for Unix mch_open() already set the permission */ |
194 | 6645 mch_setperm(to, perm); |
570 | 6646 #endif |
199 | 6647 #ifdef HAVE_ACL |
6648 mch_set_acl(to, acl); | |
1651 | 6649 mch_free_acl(acl); |
199 | 6650 #endif |
5788 | 6651 #if defined(HAVE_SELINUX) || defined(HAVE_SMACK) |
5483 | 6652 mch_copy_sec(from, to); |
5479 | 6653 #endif |
7 | 6654 if (errmsg != NULL) |
6655 { | |
6656 EMSG2(errmsg, to); | |
6657 return -1; | |
6658 } | |
6659 mch_remove(from); | |
6660 return 0; | |
6661 } | |
6662 | |
6663 static int already_warned = FALSE; | |
6664 | |
6665 /* | |
6666 * Check if any not hidden buffer has been changed. | |
6667 * Postpone the check if there are characters in the stuff buffer, a global | |
6668 * command is being executed, a mapping is being executed or an autocommand is | |
6669 * busy. | |
6670 * Returns TRUE if some message was written (screen should be redrawn and | |
6671 * cursor positioned). | |
6672 */ | |
6673 int | |
6674 check_timestamps(focus) | |
6675 int focus; /* called for GUI focus event */ | |
6676 { | |
6677 buf_T *buf; | |
6678 int didit = 0; | |
6679 int n; | |
6680 | |
6681 /* Don't check timestamps while system() or another low-level function may | |
6682 * cause us to lose and gain focus. */ | |
6683 if (no_check_timestamps > 0) | |
6684 return FALSE; | |
6685 | |
6686 /* Avoid doing a check twice. The OK/Reload dialog can cause a focus | |
6687 * event and we would keep on checking if the file is steadily growing. | |
6688 * Do check again after typing something. */ | |
6689 if (focus && did_check_timestamps) | |
6690 { | |
6691 need_check_timestamps = TRUE; | |
6692 return FALSE; | |
6693 } | |
6694 | |
6695 if (!stuff_empty() || global_busy || !typebuf_typed() | |
6696 #ifdef FEAT_AUTOCMD | |
1834 | 6697 || autocmd_busy || curbuf_lock > 0 || allbuf_lock > 0 |
7 | 6698 #endif |
6699 ) | |
6700 need_check_timestamps = TRUE; /* check later */ | |
6701 else | |
6702 { | |
6703 ++no_wait_return; | |
6704 did_check_timestamps = TRUE; | |
6705 already_warned = FALSE; | |
6706 for (buf = firstbuf; buf != NULL; ) | |
6707 { | |
6708 /* Only check buffers in a window. */ | |
6709 if (buf->b_nwindows > 0) | |
6710 { | |
6711 n = buf_check_timestamp(buf, focus); | |
6712 if (didit < n) | |
6713 didit = n; | |
6714 if (n > 0 && !buf_valid(buf)) | |
6715 { | |
6716 /* Autocommands have removed the buffer, start at the | |
6717 * first one again. */ | |
6718 buf = firstbuf; | |
6719 continue; | |
6720 } | |
6721 } | |
6722 buf = buf->b_next; | |
6723 } | |
6724 --no_wait_return; | |
6725 need_check_timestamps = FALSE; | |
6726 if (need_wait_return && didit == 2) | |
6727 { | |
6728 /* make sure msg isn't overwritten */ | |
6729 msg_puts((char_u *)"\n"); | |
6730 out_flush(); | |
6731 } | |
6732 } | |
6733 return didit; | |
6734 } | |
6735 | |
6736 /* | |
6737 * Move all the lines from buffer "frombuf" to buffer "tobuf". | |
6738 * Return OK or FAIL. When FAIL "tobuf" is incomplete and/or "frombuf" is not | |
6739 * empty. | |
6740 */ | |
6741 static int | |
6742 move_lines(frombuf, tobuf) | |
6743 buf_T *frombuf; | |
6744 buf_T *tobuf; | |
6745 { | |
6746 buf_T *tbuf = curbuf; | |
6747 int retval = OK; | |
6748 linenr_T lnum; | |
6749 char_u *p; | |
6750 | |
6751 /* Copy the lines in "frombuf" to "tobuf". */ | |
6752 curbuf = tobuf; | |
6753 for (lnum = 1; lnum <= frombuf->b_ml.ml_line_count; ++lnum) | |
6754 { | |
6755 p = vim_strsave(ml_get_buf(frombuf, lnum, FALSE)); | |
6756 if (p == NULL || ml_append(lnum - 1, p, 0, FALSE) == FAIL) | |
6757 { | |
6758 vim_free(p); | |
6759 retval = FAIL; | |
6760 break; | |
6761 } | |
6762 vim_free(p); | |
6763 } | |
6764 | |
6765 /* Delete all the lines in "frombuf". */ | |
6766 if (retval != FAIL) | |
6767 { | |
6768 curbuf = frombuf; | |
1055 | 6769 for (lnum = curbuf->b_ml.ml_line_count; lnum > 0; --lnum) |
6770 if (ml_delete(lnum, FALSE) == FAIL) | |
7 | 6771 { |
6772 /* Oops! We could try putting back the saved lines, but that | |
6773 * might fail again... */ | |
6774 retval = FAIL; | |
6775 break; | |
6776 } | |
6777 } | |
6778 | |
6779 curbuf = tbuf; | |
6780 return retval; | |
6781 } | |
6782 | |
6783 /* | |
6784 * Check if buffer "buf" has been changed. | |
6785 * Also check if the file for a new buffer unexpectedly appeared. | |
6786 * return 1 if a changed buffer was found. | |
6787 * return 2 if a message has been displayed. | |
6788 * return 0 otherwise. | |
6789 */ | |
6790 int | |
6791 buf_check_timestamp(buf, focus) | |
6792 buf_T *buf; | |
1877 | 6793 int focus UNUSED; /* called for GUI focus event */ |
7 | 6794 { |
6795 struct stat st; | |
6796 int stat_res; | |
6797 int retval = 0; | |
6798 char_u *path; | |
6799 char_u *tbuf; | |
6800 char *mesg = NULL; | |
188 | 6801 char *mesg2 = ""; |
7 | 6802 int helpmesg = FALSE; |
6803 int reload = FALSE; | |
6804 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
6805 int can_reload = FALSE; | |
6806 #endif | |
2241
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
6807 off_t orig_size = buf->b_orig_size; |
7 | 6808 int orig_mode = buf->b_orig_mode; |
6809 #ifdef FEAT_GUI | |
6810 int save_mouse_correct = need_mouse_correct; | |
6811 #endif | |
6812 #ifdef FEAT_AUTOCMD | |
6813 static int busy = FALSE; | |
179 | 6814 int n; |
6815 char_u *s; | |
6816 #endif | |
6817 char *reason; | |
7 | 6818 |
6819 /* If there is no file name, the buffer is not loaded, 'buftype' is | |
6820 * set, we are in the middle of a save or being called recursively: ignore | |
6821 * this buffer. */ | |
6822 if (buf->b_ffname == NULL | |
6823 || buf->b_ml.ml_mfp == NULL | |
6824 #if defined(FEAT_QUICKFIX) | |
6825 || *buf->b_p_bt != NUL | |
6826 #endif | |
6827 || buf->b_saving | |
6828 #ifdef FEAT_AUTOCMD | |
6829 || busy | |
6830 #endif | |
33 | 6831 #ifdef FEAT_NETBEANS_INTG |
6832 || isNetbeansBuffer(buf) | |
6833 #endif | |
7 | 6834 ) |
6835 return 0; | |
6836 | |
6837 if ( !(buf->b_flags & BF_NOTEDITED) | |
6838 && buf->b_mtime != 0 | |
6839 && ((stat_res = mch_stat((char *)buf->b_ffname, &st)) < 0 | |
6840 || time_differs((long)st.st_mtime, buf->b_mtime) | |
5863 | 6841 || st.st_size != buf->b_orig_size |
7 | 6842 #ifdef HAVE_ST_MODE |
6843 || (int)st.st_mode != buf->b_orig_mode | |
6844 #else | |
6845 || mch_getperm(buf->b_ffname) != buf->b_orig_mode | |
6846 #endif | |
6847 )) | |
6848 { | |
6849 retval = 1; | |
6850 | |
628 | 6851 /* set b_mtime to stop further warnings (e.g., when executing |
6852 * FileChangedShell autocmd) */ | |
7 | 6853 if (stat_res < 0) |
6854 { | |
6855 buf->b_mtime = 0; | |
6856 buf->b_orig_size = 0; | |
6857 buf->b_orig_mode = 0; | |
6858 } | |
6859 else | |
6860 buf_store_time(buf, &st, buf->b_ffname); | |
6861 | |
6862 /* Don't do anything for a directory. Might contain the file | |
6863 * explorer. */ | |
6864 if (mch_isdir(buf->b_fname)) | |
6865 ; | |
6866 | |
6867 /* | |
6868 * If 'autoread' is set, the buffer has no changes and the file still | |
6869 * exists, reload the buffer. Use the buffer-local option value if it | |
6870 * was set, the global option value otherwise. | |
6871 */ | |
6872 else if ((buf->b_p_ar >= 0 ? buf->b_p_ar : p_ar) | |
6873 && !bufIsChanged(buf) && stat_res >= 0) | |
6874 reload = TRUE; | |
6875 else | |
6876 { | |
179 | 6877 if (stat_res < 0) |
6878 reason = "deleted"; | |
6879 else if (bufIsChanged(buf)) | |
6880 reason = "conflict"; | |
6881 else if (orig_size != buf->b_orig_size || buf_contents_changed(buf)) | |
6882 reason = "changed"; | |
6883 else if (orig_mode != buf->b_orig_mode) | |
6884 reason = "mode"; | |
6885 else | |
6886 reason = "time"; | |
6887 | |
7 | 6888 #ifdef FEAT_AUTOCMD |
6889 /* | |
6890 * Only give the warning if there are no FileChangedShell | |
6891 * autocommands. | |
6892 * Avoid being called recursively by setting "busy". | |
6893 */ | |
6894 busy = TRUE; | |
532 | 6895 # ifdef FEAT_EVAL |
179 | 6896 set_vim_var_string(VV_FCS_REASON, (char_u *)reason, -1); |
6897 set_vim_var_string(VV_FCS_CHOICE, (char_u *)"", -1); | |
532 | 6898 # endif |
1834 | 6899 ++allbuf_lock; |
7 | 6900 n = apply_autocmds(EVENT_FILECHANGEDSHELL, |
6901 buf->b_fname, buf->b_fname, FALSE, buf); | |
1834 | 6902 --allbuf_lock; |
7 | 6903 busy = FALSE; |
6904 if (n) | |
6905 { | |
6906 if (!buf_valid(buf)) | |
6907 EMSG(_("E246: FileChangedShell autocommand deleted buffer")); | |
532 | 6908 # ifdef FEAT_EVAL |
179 | 6909 s = get_vim_var_str(VV_FCS_CHOICE); |
6910 if (STRCMP(s, "reload") == 0 && *reason != 'd') | |
6911 reload = TRUE; | |
6912 else if (STRCMP(s, "ask") == 0) | |
6913 n = FALSE; | |
6914 else | |
532 | 6915 # endif |
179 | 6916 return 2; |
7 | 6917 } |
179 | 6918 if (!n) |
7 | 6919 #endif |
6920 { | |
179 | 6921 if (*reason == 'd') |
6922 mesg = _("E211: File \"%s\" no longer available"); | |
7 | 6923 else |
6924 { | |
6925 helpmesg = TRUE; | |
6926 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
6927 can_reload = TRUE; | |
6928 #endif | |
6929 /* | |
6930 * Check if the file contents really changed to avoid | |
6931 * giving a warning when only the timestamp was set (e.g., | |
6932 * checked out of CVS). Always warn when the buffer was | |
6933 * changed. | |
6934 */ | |
179 | 6935 if (reason[2] == 'n') |
6936 { | |
7 | 6937 mesg = _("W12: Warning: File \"%s\" has changed and the buffer was changed in Vim as well"); |
179 | 6938 mesg2 = _("See \":help W12\" for more info."); |
6939 } | |
6940 else if (reason[1] == 'h') | |
6941 { | |
7 | 6942 mesg = _("W11: Warning: File \"%s\" has changed since editing started"); |
179 | 6943 mesg2 = _("See \":help W11\" for more info."); |
6944 } | |
6945 else if (*reason == 'm') | |
6946 { | |
7 | 6947 mesg = _("W16: Warning: Mode of file \"%s\" has changed since editing started"); |
179 | 6948 mesg2 = _("See \":help W16\" for more info."); |
6949 } | |
1913 | 6950 else |
6951 /* Only timestamp changed, store it to avoid a warning | |
6952 * in check_mtime() later. */ | |
6953 buf->b_mtime_read = buf->b_mtime; | |
7 | 6954 } |
6955 } | |
6956 } | |
6957 | |
6958 } | |
6959 else if ((buf->b_flags & BF_NEW) && !(buf->b_flags & BF_NEW_W) | |
6960 && vim_fexists(buf->b_ffname)) | |
6961 { | |
6962 retval = 1; | |
6963 mesg = _("W13: Warning: File \"%s\" has been created after editing started"); | |
6964 buf->b_flags |= BF_NEW_W; | |
6965 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
6966 can_reload = TRUE; | |
6967 #endif | |
6968 } | |
6969 | |
6970 if (mesg != NULL) | |
6971 { | |
6972 path = home_replace_save(buf, buf->b_fname); | |
6973 if (path != NULL) | |
6974 { | |
179 | 6975 if (!helpmesg) |
7 | 6976 mesg2 = ""; |
6977 tbuf = alloc((unsigned)(STRLEN(path) + STRLEN(mesg) | |
6978 + STRLEN(mesg2) + 2)); | |
6979 sprintf((char *)tbuf, mesg, path); | |
1848 | 6980 #ifdef FEAT_EVAL |
6981 /* Set warningmsg here, before the unimportant and output-specific | |
6982 * mesg2 has been appended. */ | |
6983 set_vim_var_string(VV_WARNINGMSG, tbuf, -1); | |
6984 #endif | |
7 | 6985 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) |
6986 if (can_reload) | |
6987 { | |
6988 if (*mesg2 != NUL) | |
6989 { | |
6990 STRCAT(tbuf, "\n"); | |
6991 STRCAT(tbuf, mesg2); | |
6992 } | |
6993 if (do_dialog(VIM_WARNING, (char_u *)_("Warning"), tbuf, | |
2684 | 6994 (char_u *)_("&OK\n&Load File"), 1, NULL, TRUE) == 2) |
7 | 6995 reload = TRUE; |
6996 } | |
6997 else | |
6998 #endif | |
6999 if (State > NORMAL_BUSY || (State & CMDLINE) || already_warned) | |
7000 { | |
7001 if (*mesg2 != NUL) | |
7002 { | |
7003 STRCAT(tbuf, "; "); | |
7004 STRCAT(tbuf, mesg2); | |
7005 } | |
7006 EMSG(tbuf); | |
7007 retval = 2; | |
7008 } | |
7009 else | |
7010 { | |
8 | 7011 # ifdef FEAT_AUTOCMD |
7 | 7012 if (!autocmd_busy) |
8 | 7013 # endif |
7 | 7014 { |
7015 msg_start(); | |
7016 msg_puts_attr(tbuf, hl_attr(HLF_E) + MSG_HIST); | |
7017 if (*mesg2 != NUL) | |
7018 msg_puts_attr((char_u *)mesg2, | |
7019 hl_attr(HLF_W) + MSG_HIST); | |
7020 msg_clr_eos(); | |
7021 (void)msg_end(); | |
7022 if (emsg_silent == 0) | |
7023 { | |
7024 out_flush(); | |
8 | 7025 # ifdef FEAT_GUI |
7 | 7026 if (!focus) |
8 | 7027 # endif |
7 | 7028 /* give the user some time to think about it */ |
7029 ui_delay(1000L, TRUE); | |
7030 | |
7031 /* don't redraw and erase the message */ | |
7032 redraw_cmdline = FALSE; | |
7033 } | |
7034 } | |
7035 already_warned = TRUE; | |
7036 } | |
7037 | |
7038 vim_free(path); | |
7039 vim_free(tbuf); | |
7040 } | |
7041 } | |
7042 | |
7043 if (reload) | |
3776 | 7044 { |
311 | 7045 /* Reload the buffer. */ |
628 | 7046 buf_reload(buf, orig_mode); |
3776 | 7047 #ifdef FEAT_PERSISTENT_UNDO |
7048 if (buf->b_p_udf && buf->b_ffname != NULL) | |
7049 { | |
7050 char_u hash[UNDO_HASH_SIZE]; | |
7051 buf_T *save_curbuf = curbuf; | |
7052 | |
7053 /* Any existing undo file is unusable, write it now. */ | |
7054 curbuf = buf; | |
7055 u_compute_hash(hash); | |
7056 u_write_undo(NULL, FALSE, buf, hash); | |
7057 curbuf = save_curbuf; | |
7058 } | |
7059 #endif | |
7060 } | |
7 | 7061 |
765 | 7062 #ifdef FEAT_AUTOCMD |
1620 | 7063 /* Trigger FileChangedShell when the file was changed in any way. */ |
7064 if (buf_valid(buf) && retval != 0) | |
765 | 7065 (void)apply_autocmds(EVENT_FILECHANGEDSHELLPOST, |
7066 buf->b_fname, buf->b_fname, FALSE, buf); | |
7067 #endif | |
7 | 7068 #ifdef FEAT_GUI |
7069 /* restore this in case an autocommand has set it; it would break | |
7070 * 'mousefocus' */ | |
7071 need_mouse_correct = save_mouse_correct; | |
7072 #endif | |
7073 | |
7074 return retval; | |
7075 } | |
7076 | |
311 | 7077 /* |
7078 * Reload a buffer that is already loaded. | |
7079 * Used when the file was changed outside of Vim. | |
628 | 7080 * "orig_mode" is buf->b_orig_mode before the need for reloading was detected. |
7081 * buf->b_orig_mode may have been reset already. | |
311 | 7082 */ |
7083 void | |
628 | 7084 buf_reload(buf, orig_mode) |
311 | 7085 buf_T *buf; |
628 | 7086 int orig_mode; |
311 | 7087 { |
7088 exarg_T ea; | |
7089 pos_T old_cursor; | |
7090 linenr_T old_topline; | |
7091 int old_ro = buf->b_p_ro; | |
7092 buf_T *savebuf; | |
7093 int saved = OK; | |
7094 aco_save_T aco; | |
2394
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7095 int flags = READ_NEW; |
311 | 7096 |
7097 /* set curwin/curbuf for "buf" and save some things */ | |
7098 aucmd_prepbuf(&aco, buf); | |
7099 | |
7100 /* We only want to read the text from the file, not reset the syntax | |
7101 * highlighting, clear marks, diff status, etc. Force the fileformat | |
7102 * and encoding to be the same. */ | |
7103 if (prep_exarg(&ea, buf) == OK) | |
7104 { | |
7105 old_cursor = curwin->w_cursor; | |
7106 old_topline = curwin->w_topline; | |
7107 | |
2482
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
7108 if (p_ur < 0 || curbuf->b_ml.ml_line_count <= p_ur) |
2394
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7109 { |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7110 /* Save all the text, so that the reload can be undone. |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7111 * Sync first so that this is a separate undo-able action. */ |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7112 u_sync(FALSE); |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7113 saved = u_savecommon(0, curbuf->b_ml.ml_line_count + 1, 0, TRUE); |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7114 flags |= READ_KEEP_UNDO; |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7115 } |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7116 |
311 | 7117 /* |
7118 * To behave like when a new file is edited (matters for | |
7119 * BufReadPost autocommands) we first need to delete the current | |
7120 * buffer contents. But if reading the file fails we should keep | |
7121 * the old contents. Can't use memory only, the file might be | |
7122 * too big. Use a hidden buffer to move the buffer contents to. | |
7123 */ | |
2394
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7124 if (bufempty() || saved == FAIL) |
311 | 7125 savebuf = NULL; |
7126 else | |
7127 { | |
7128 /* Allocate a buffer without putting it in the buffer list. */ | |
7129 savebuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY); | |
837 | 7130 if (savebuf != NULL && buf == curbuf) |
311 | 7131 { |
7132 /* Open the memline. */ | |
7133 curbuf = savebuf; | |
7134 curwin->w_buffer = savebuf; | |
625 | 7135 saved = ml_open(curbuf); |
311 | 7136 curbuf = buf; |
7137 curwin->w_buffer = buf; | |
7138 } | |
837 | 7139 if (savebuf == NULL || saved == FAIL || buf != curbuf |
311 | 7140 || move_lines(buf, savebuf) == FAIL) |
7141 { | |
7142 EMSG2(_("E462: Could not prepare for reloading \"%s\""), | |
7143 buf->b_fname); | |
7144 saved = FAIL; | |
7145 } | |
7146 } | |
7147 | |
7148 if (saved == OK) | |
7149 { | |
7150 curbuf->b_flags |= BF_CHECK_RO; /* check for RO again */ | |
7151 #ifdef FEAT_AUTOCMD | |
7152 keep_filetype = TRUE; /* don't detect 'filetype' */ | |
7153 #endif | |
7154 if (readfile(buf->b_ffname, buf->b_fname, (linenr_T)0, | |
7155 (linenr_T)0, | |
2394
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7156 (linenr_T)MAXLNUM, &ea, flags) == FAIL) |
311 | 7157 { |
7158 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) | |
7159 if (!aborting()) | |
7160 #endif | |
7161 EMSG2(_("E321: Could not reload \"%s\""), buf->b_fname); | |
837 | 7162 if (savebuf != NULL && buf_valid(savebuf) && buf == curbuf) |
311 | 7163 { |
7164 /* Put the text back from the save buffer. First | |
7165 * delete any lines that readfile() added. */ | |
7166 while (!bufempty()) | |
837 | 7167 if (ml_delete(buf->b_ml.ml_line_count, FALSE) == FAIL) |
311 | 7168 break; |
7169 (void)move_lines(savebuf, buf); | |
7170 } | |
7171 } | |
2394
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7172 else if (buf == curbuf) /* "buf" still valid */ |
311 | 7173 { |
7174 /* Mark the buffer as unmodified and free undo info. */ | |
7175 unchanged(buf, TRUE); | |
2394
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7176 if ((flags & READ_KEEP_UNDO) == 0) |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7177 { |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7178 u_blockfree(buf); |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7179 u_clearall(buf); |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7180 } |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7181 else |
2482
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
7182 { |
2394
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7183 /* Mark all undo states as changed. */ |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7184 u_unchanged(curbuf); |
2482
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
7185 } |
311 | 7186 } |
7187 } | |
7188 vim_free(ea.cmd); | |
7189 | |
837 | 7190 if (savebuf != NULL && buf_valid(savebuf)) |
311 | 7191 wipe_buffer(savebuf, FALSE); |
7192 | |
7193 #ifdef FEAT_DIFF | |
7194 /* Invalidate diff info if necessary. */ | |
837 | 7195 diff_invalidate(curbuf); |
311 | 7196 #endif |
7197 | |
7198 /* Restore the topline and cursor position and check it (lines may | |
7199 * have been removed). */ | |
7200 if (old_topline > curbuf->b_ml.ml_line_count) | |
7201 curwin->w_topline = curbuf->b_ml.ml_line_count; | |
7202 else | |
7203 curwin->w_topline = old_topline; | |
7204 curwin->w_cursor = old_cursor; | |
7205 check_cursor(); | |
7206 update_topline(); | |
7207 #ifdef FEAT_AUTOCMD | |
7208 keep_filetype = FALSE; | |
7209 #endif | |
7210 #ifdef FEAT_FOLDING | |
7211 { | |
1863 | 7212 win_T *wp; |
7213 tabpage_T *tp; | |
311 | 7214 |
7215 /* Update folds unless they are defined manually. */ | |
1863 | 7216 FOR_ALL_TAB_WINDOWS(tp, wp) |
311 | 7217 if (wp->w_buffer == curwin->w_buffer |
7218 && !foldmethodIsManual(wp)) | |
7219 foldUpdateAll(wp); | |
7220 } | |
7221 #endif | |
7222 /* If the mode didn't change and 'readonly' was set, keep the old | |
7223 * value; the user probably used the ":view" command. But don't | |
7224 * reset it, might have had a read error. */ | |
7225 if (orig_mode == curbuf->b_orig_mode) | |
7226 curbuf->b_p_ro |= old_ro; | |
4071 | 7227 |
7228 /* Modelines must override settings done by autocommands. */ | |
7229 do_modelines(0); | |
311 | 7230 } |
7231 | |
7232 /* restore curwin/curbuf and a few other things */ | |
7233 aucmd_restbuf(&aco); | |
7234 /* Careful: autocommands may have made "buf" invalid! */ | |
7235 } | |
7236 | |
7 | 7237 void |
7238 buf_store_time(buf, st, fname) | |
7239 buf_T *buf; | |
7240 struct stat *st; | |
1877 | 7241 char_u *fname UNUSED; |
7 | 7242 { |
7243 buf->b_mtime = (long)st->st_mtime; | |
2241
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
7244 buf->b_orig_size = st->st_size; |
7 | 7245 #ifdef HAVE_ST_MODE |
7246 buf->b_orig_mode = (int)st->st_mode; | |
7247 #else | |
7248 buf->b_orig_mode = mch_getperm(fname); | |
7249 #endif | |
7250 } | |
7251 | |
7252 /* | |
7253 * Adjust the line with missing eol, used for the next write. | |
7254 * Used for do_filter(), when the input lines for the filter are deleted. | |
7255 */ | |
7256 void | |
7257 write_lnum_adjust(offset) | |
7258 linenr_T offset; | |
7259 { | |
2707 | 7260 if (curbuf->b_no_eol_lnum != 0) /* only if there is a missing eol */ |
7261 curbuf->b_no_eol_lnum += offset; | |
7 | 7262 } |
7263 | |
7264 #if defined(TEMPDIRNAMES) || defined(PROTO) | |
7265 static long temp_count = 0; /* Temp filename counter. */ | |
7266 | |
7267 /* | |
7268 * Delete the temp directory and all files it contains. | |
7269 */ | |
7270 void | |
7271 vim_deltempdir() | |
7272 { | |
7273 char_u **files; | |
7274 int file_count; | |
7275 int i; | |
7276 | |
7277 if (vim_tempdir != NULL) | |
7278 { | |
7279 sprintf((char *)NameBuff, "%s*", vim_tempdir); | |
7280 if (gen_expand_wildcards(1, &NameBuff, &file_count, &files, | |
7281 EW_DIR|EW_FILE|EW_SILENT) == OK) | |
7282 { | |
7283 for (i = 0; i < file_count; ++i) | |
7284 mch_remove(files[i]); | |
7285 FreeWild(file_count, files); | |
7286 } | |
7287 gettail(NameBuff)[-1] = NUL; | |
7288 (void)mch_rmdir(NameBuff); | |
7289 | |
7290 vim_free(vim_tempdir); | |
7291 vim_tempdir = NULL; | |
7292 } | |
7293 } | |
7294 #endif | |
7295 | |
2006 | 7296 #ifdef TEMPDIRNAMES |
7 | 7297 /* |
1997 | 7298 * Directory "tempdir" was created. Expand this name to a full path and put |
7299 * it in "vim_tempdir". This avoids that using ":cd" would confuse us. | |
7300 * "tempdir" must be no longer than MAXPATHL. | |
7301 */ | |
7302 static void | |
7303 vim_settempdir(tempdir) | |
7304 char_u *tempdir; | |
7305 { | |
7306 char_u *buf; | |
7307 | |
7308 buf = alloc((unsigned)MAXPATHL + 2); | |
7309 if (buf != NULL) | |
7310 { | |
7311 if (vim_FullName(tempdir, buf, MAXPATHL, FALSE) == FAIL) | |
7312 STRCPY(buf, tempdir); | |
7313 # ifdef __EMX__ | |
7314 if (vim_strchr(buf, '/') != NULL) | |
7315 STRCAT(buf, "/"); | |
7316 else | |
7317 # endif | |
7318 add_pathsep(buf); | |
7319 vim_tempdir = vim_strsave(buf); | |
7320 vim_free(buf); | |
7321 } | |
7322 } | |
2006 | 7323 #endif |
1997 | 7324 |
7325 /* | |
7 | 7326 * vim_tempname(): Return a unique name that can be used for a temp file. |
7327 * | |
7328 * The temp file is NOT created. | |
7329 * | |
7330 * The returned pointer is to allocated memory. | |
7331 * The returned pointer is NULL if no valid name was found. | |
7332 */ | |
7333 char_u * | |
7334 vim_tempname(extra_char) | |
1877 | 7335 int extra_char UNUSED; /* char to use in the name instead of '?' */ |
7 | 7336 { |
7337 #ifdef USE_TMPNAM | |
7338 char_u itmp[L_tmpnam]; /* use tmpnam() */ | |
7339 #else | |
7340 char_u itmp[TEMPNAMELEN]; | |
7341 #endif | |
7342 | |
7343 #ifdef TEMPDIRNAMES | |
7344 static char *(tempdirs[]) = {TEMPDIRNAMES}; | |
7345 int i; | |
7346 # ifndef EEXIST | |
7347 struct stat st; | |
7348 # endif | |
7349 | |
7350 /* | |
7351 * This will create a directory for private use by this instance of Vim. | |
7352 * This is done once, and the same directory is used for all temp files. | |
7353 * This method avoids security problems because of symlink attacks et al. | |
7354 * It's also a bit faster, because we only need to check for an existing | |
7355 * file when creating the directory and not for each temp file. | |
7356 */ | |
7357 if (vim_tempdir == NULL) | |
7358 { | |
7359 /* | |
7360 * Try the entries in TEMPDIRNAMES to create the temp directory. | |
7361 */ | |
1877 | 7362 for (i = 0; i < (int)(sizeof(tempdirs) / sizeof(char *)); ++i) |
7 | 7363 { |
2047
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2028
diff
changeset
|
7364 # ifndef HAVE_MKDTEMP |
1997 | 7365 size_t itmplen; |
7366 long nr; | |
7367 long off; | |
7368 # endif | |
7369 | |
7 | 7370 /* expand $TMP, leave room for "/v1100000/999999999" */ |
7371 expand_env((char_u *)tempdirs[i], itmp, TEMPNAMELEN - 20); | |
7372 if (mch_isdir(itmp)) /* directory exists */ | |
7373 { | |
7374 # ifdef __EMX__ | |
7375 /* If $TMP contains a forward slash (perhaps using bash or | |
7376 * tcsh), don't add a backslash, use a forward slash! | |
7377 * Adding 2 backslashes didn't work. */ | |
7378 if (vim_strchr(itmp, '/') != NULL) | |
7379 STRCAT(itmp, "/"); | |
7380 else | |
7381 # endif | |
7382 add_pathsep(itmp); | |
1997 | 7383 |
7384 # ifdef HAVE_MKDTEMP | |
7385 /* Leave room for filename */ | |
7386 STRCAT(itmp, "vXXXXXX"); | |
7387 if (mkdtemp((char *)itmp) != NULL) | |
7388 vim_settempdir(itmp); | |
7389 # else | |
7 | 7390 /* Get an arbitrary number of up to 6 digits. When it's |
7391 * unlikely that it already exists it will be faster, | |
7392 * otherwise it doesn't matter. The use of mkdir() avoids any | |
7393 * security problems because of the predictable number. */ | |
7394 nr = (mch_get_pid() + (long)time(NULL)) % 1000000L; | |
2047
85da03763130
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2028
diff
changeset
|
7395 itmplen = STRLEN(itmp); |
7 | 7396 |
7397 /* Try up to 10000 different values until we find a name that | |
7398 * doesn't exist. */ | |
7399 for (off = 0; off < 10000L; ++off) | |
7400 { | |
7401 int r; | |
1997 | 7402 # if defined(UNIX) || defined(VMS) |
7 | 7403 mode_t umask_save; |
1997 | 7404 # endif |
7405 | |
7406 sprintf((char *)itmp + itmplen, "v%ld", nr + off); | |
7407 # ifndef EEXIST | |
7 | 7408 /* If mkdir() does not set errno to EEXIST, check for |
7409 * existing file here. There is a race condition then, | |
7410 * although it's fail-safe. */ | |
7411 if (mch_stat((char *)itmp, &st) >= 0) | |
7412 continue; | |
1997 | 7413 # endif |
7414 # if defined(UNIX) || defined(VMS) | |
7 | 7415 /* Make sure the umask doesn't remove the executable bit. |
7416 * "repl" has been reported to use "177". */ | |
7417 umask_save = umask(077); | |
1997 | 7418 # endif |
7 | 7419 r = vim_mkdir(itmp, 0700); |
1997 | 7420 # if defined(UNIX) || defined(VMS) |
7 | 7421 (void)umask(umask_save); |
1997 | 7422 # endif |
7 | 7423 if (r == 0) |
7424 { | |
1997 | 7425 vim_settempdir(itmp); |
7 | 7426 break; |
7427 } | |
1997 | 7428 # ifdef EEXIST |
7 | 7429 /* If the mkdir() didn't fail because the file/dir exists, |
7430 * we probably can't create any dir here, try another | |
7431 * place. */ | |
7432 if (errno != EEXIST) | |
1997 | 7433 # endif |
7 | 7434 break; |
7435 } | |
1997 | 7436 # endif /* HAVE_MKDTEMP */ |
7 | 7437 if (vim_tempdir != NULL) |
7438 break; | |
7439 } | |
7440 } | |
7441 } | |
7442 | |
7443 if (vim_tempdir != NULL) | |
7444 { | |
7445 /* There is no need to check if the file exists, because we own the | |
7446 * directory and nobody else creates a file in it. */ | |
7447 sprintf((char *)itmp, "%s%ld", vim_tempdir, temp_count++); | |
7448 return vim_strsave(itmp); | |
7449 } | |
7450 | |
7451 return NULL; | |
7452 | |
7453 #else /* TEMPDIRNAMES */ | |
7454 | |
7455 # ifdef WIN3264 | |
7456 char szTempFile[_MAX_PATH + 1]; | |
7457 char buf4[4]; | |
7458 char_u *retval; | |
7459 char_u *p; | |
7460 | |
7461 STRCPY(itmp, ""); | |
7462 if (GetTempPath(_MAX_PATH, szTempFile) == 0) | |
2695 | 7463 { |
7464 szTempFile[0] = '.'; /* GetTempPath() failed, use current dir */ | |
7465 szTempFile[1] = NUL; | |
7466 } | |
7 | 7467 strcpy(buf4, "VIM"); |
7468 buf4[2] = extra_char; /* make it "VIa", "VIb", etc. */ | |
7469 if (GetTempFileName(szTempFile, buf4, 0, itmp) == 0) | |
7470 return NULL; | |
7471 /* GetTempFileName() will create the file, we don't want that */ | |
7472 (void)DeleteFile(itmp); | |
7473 | |
7474 /* Backslashes in a temp file name cause problems when filtering with | |
7475 * "sh". NOTE: This also checks 'shellcmdflag' to help those people who | |
7476 * didn't set 'shellslash'. */ | |
7477 retval = vim_strsave(itmp); | |
7478 if (*p_shcf == '-' || p_ssl) | |
7479 for (p = retval; *p; ++p) | |
7480 if (*p == '\\') | |
7481 *p = '/'; | |
7482 return retval; | |
7483 | |
7484 # else /* WIN3264 */ | |
7485 | |
7486 # ifdef USE_TMPNAM | |
2697 | 7487 char_u *p; |
7488 | |
7 | 7489 /* tmpnam() will make its own name */ |
2697 | 7490 p = tmpnam((char *)itmp); |
7491 if (p == NULL || *p == NUL) | |
7 | 7492 return NULL; |
7493 # else | |
7494 char_u *p; | |
7495 | |
7496 # ifdef VMS_TEMPNAM | |
7497 /* mktemp() is not working on VMS. It seems to be | |
7498 * a do-nothing function. Therefore we use tempnam(). | |
7499 */ | |
7500 sprintf((char *)itmp, "VIM%c", extra_char); | |
7501 p = (char_u *)tempnam("tmp:", (char *)itmp); | |
7502 if (p != NULL) | |
7503 { | |
5704 | 7504 /* VMS will use '.LIS' if we don't explicitly specify an extension, |
7 | 7505 * and VIM will then be unable to find the file later */ |
7506 STRCPY(itmp, p); | |
7507 STRCAT(itmp, ".txt"); | |
7508 free(p); | |
7509 } | |
7510 else | |
7511 return NULL; | |
7512 # else | |
7513 STRCPY(itmp, TEMPNAME); | |
7514 if ((p = vim_strchr(itmp, '?')) != NULL) | |
7515 *p = extra_char; | |
7516 if (mktemp((char *)itmp) == NULL) | |
7517 return NULL; | |
7518 # endif | |
7519 # endif | |
7520 | |
7521 return vim_strsave(itmp); | |
7522 # endif /* WIN3264 */ | |
7523 #endif /* TEMPDIRNAMES */ | |
7524 } | |
7525 | |
7526 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO) | |
7527 /* | |
7528 * Convert all backslashes in fname to forward slashes in-place. | |
7529 */ | |
7530 void | |
7531 forward_slash(fname) | |
7532 char_u *fname; | |
7533 { | |
7534 char_u *p; | |
7535 | |
7536 for (p = fname; *p != NUL; ++p) | |
7537 # ifdef FEAT_MBYTE | |
7538 /* The Big5 encoding can have '\' in the trail byte. */ | |
474 | 7539 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
7 | 7540 ++p; |
7541 else | |
7542 # endif | |
7543 if (*p == '\\') | |
7544 *p = '/'; | |
7545 } | |
7546 #endif | |
7547 | |
7548 | |
7549 /* | |
7550 * Code for automatic commands. | |
7551 * | |
7552 * Only included when "FEAT_AUTOCMD" has been defined. | |
7553 */ | |
7554 | |
7555 #if defined(FEAT_AUTOCMD) || defined(PROTO) | |
7556 | |
7557 /* | |
7558 * The autocommands are stored in a list for each event. | |
7559 * Autocommands for the same pattern, that are consecutive, are joined | |
7560 * together, to avoid having to match the pattern too often. | |
7561 * The result is an array of Autopat lists, which point to AutoCmd lists: | |
7562 * | |
7563 * first_autopat[0] --> Autopat.next --> Autopat.next --> NULL | |
7564 * Autopat.cmds Autopat.cmds | |
7565 * | | | |
7566 * V V | |
7567 * AutoCmd.next AutoCmd.next | |
7568 * | | | |
7569 * V V | |
7570 * AutoCmd.next NULL | |
7571 * | | |
7572 * V | |
7573 * NULL | |
7574 * | |
7575 * first_autopat[1] --> Autopat.next --> NULL | |
7576 * Autopat.cmds | |
7577 * | | |
7578 * V | |
7579 * AutoCmd.next | |
7580 * | | |
7581 * V | |
7582 * NULL | |
7583 * etc. | |
7584 * | |
7585 * The order of AutoCmds is important, this is the order in which they were | |
7586 * defined and will have to be executed. | |
7587 */ | |
7588 typedef struct AutoCmd | |
7589 { | |
7590 char_u *cmd; /* The command to be executed (NULL | |
7591 when command has been removed) */ | |
7592 char nested; /* If autocommands nest here */ | |
7593 char last; /* last command in list */ | |
7594 #ifdef FEAT_EVAL | |
7595 scid_T scriptID; /* script ID where defined */ | |
7596 #endif | |
7597 struct AutoCmd *next; /* Next AutoCmd in list */ | |
7598 } AutoCmd; | |
7599 | |
7600 typedef struct AutoPat | |
7601 { | |
7602 char_u *pat; /* pattern as typed (NULL when pattern | |
7603 has been removed) */ | |
4861
e79a20f07daa
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4805
diff
changeset
|
7604 regprog_T *reg_prog; /* compiled regprog for pattern */ |
e79a20f07daa
updated for version 7.3.1177
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
7605 AutoCmd *cmds; /* list of commands to do */ |
e79a20f07daa
updated for version 7.3.1177
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
7606 struct AutoPat *next; /* next AutoPat in AutoPat list */ |
e79a20f07daa
updated for version 7.3.1177
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
7607 int group; /* group ID */ |
7 | 7608 int patlen; /* strlen() of pat */ |
4861
e79a20f07daa
updated for version 7.3.1177
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
7609 int buflocal_nr; /* !=0 for buffer-local AutoPat */ |
7 | 7610 char allow_dirs; /* Pattern may match whole path */ |
7611 char last; /* last pattern for apply_autocmds() */ | |
7612 } AutoPat; | |
7613 | |
7614 static struct event_name | |
7615 { | |
7616 char *name; /* event name */ | |
661 | 7617 event_T event; /* event number */ |
7 | 7618 } event_names[] = |
7619 { | |
7620 {"BufAdd", EVENT_BUFADD}, | |
7621 {"BufCreate", EVENT_BUFADD}, | |
7622 {"BufDelete", EVENT_BUFDELETE}, | |
7623 {"BufEnter", EVENT_BUFENTER}, | |
7624 {"BufFilePost", EVENT_BUFFILEPOST}, | |
7625 {"BufFilePre", EVENT_BUFFILEPRE}, | |
7626 {"BufHidden", EVENT_BUFHIDDEN}, | |
7627 {"BufLeave", EVENT_BUFLEAVE}, | |
7628 {"BufNew", EVENT_BUFNEW}, | |
7629 {"BufNewFile", EVENT_BUFNEWFILE}, | |
7630 {"BufRead", EVENT_BUFREADPOST}, | |
7631 {"BufReadCmd", EVENT_BUFREADCMD}, | |
7632 {"BufReadPost", EVENT_BUFREADPOST}, | |
7633 {"BufReadPre", EVENT_BUFREADPRE}, | |
7634 {"BufUnload", EVENT_BUFUNLOAD}, | |
7635 {"BufWinEnter", EVENT_BUFWINENTER}, | |
7636 {"BufWinLeave", EVENT_BUFWINLEAVE}, | |
7637 {"BufWipeout", EVENT_BUFWIPEOUT}, | |
7638 {"BufWrite", EVENT_BUFWRITEPRE}, | |
7639 {"BufWritePost", EVENT_BUFWRITEPOST}, | |
7640 {"BufWritePre", EVENT_BUFWRITEPRE}, | |
7641 {"BufWriteCmd", EVENT_BUFWRITECMD}, | |
7642 {"CmdwinEnter", EVENT_CMDWINENTER}, | |
7643 {"CmdwinLeave", EVENT_CMDWINLEAVE}, | |
12 | 7644 {"ColorScheme", EVENT_COLORSCHEME}, |
3676 | 7645 {"CompleteDone", EVENT_COMPLETEDONE}, |
661 | 7646 {"CursorHold", EVENT_CURSORHOLD}, |
7647 {"CursorHoldI", EVENT_CURSORHOLDI}, | |
7648 {"CursorMoved", EVENT_CURSORMOVED}, | |
7649 {"CursorMovedI", EVENT_CURSORMOVEDI}, | |
7 | 7650 {"EncodingChanged", EVENT_ENCODINGCHANGED}, |
7651 {"FileEncoding", EVENT_ENCODINGCHANGED}, | |
7652 {"FileAppendPost", EVENT_FILEAPPENDPOST}, | |
7653 {"FileAppendPre", EVENT_FILEAPPENDPRE}, | |
7654 {"FileAppendCmd", EVENT_FILEAPPENDCMD}, | |
7655 {"FileChangedShell",EVENT_FILECHANGEDSHELL}, | |
765 | 7656 {"FileChangedShellPost",EVENT_FILECHANGEDSHELLPOST}, |
7 | 7657 {"FileChangedRO", EVENT_FILECHANGEDRO}, |
7658 {"FileReadPost", EVENT_FILEREADPOST}, | |
7659 {"FileReadPre", EVENT_FILEREADPRE}, | |
7660 {"FileReadCmd", EVENT_FILEREADCMD}, | |
7661 {"FileType", EVENT_FILETYPE}, | |
7662 {"FileWritePost", EVENT_FILEWRITEPOST}, | |
7663 {"FileWritePre", EVENT_FILEWRITEPRE}, | |
7664 {"FileWriteCmd", EVENT_FILEWRITECMD}, | |
7665 {"FilterReadPost", EVENT_FILTERREADPOST}, | |
7666 {"FilterReadPre", EVENT_FILTERREADPRE}, | |
7667 {"FilterWritePost", EVENT_FILTERWRITEPOST}, | |
7668 {"FilterWritePre", EVENT_FILTERWRITEPRE}, | |
7669 {"FocusGained", EVENT_FOCUSGAINED}, | |
7670 {"FocusLost", EVENT_FOCUSLOST}, | |
7671 {"FuncUndefined", EVENT_FUNCUNDEFINED}, | |
7672 {"GUIEnter", EVENT_GUIENTER}, | |
946 | 7673 {"GUIFailed", EVENT_GUIFAILED}, |
11 | 7674 {"InsertChange", EVENT_INSERTCHANGE}, |
7675 {"InsertEnter", EVENT_INSERTENTER}, | |
7676 {"InsertLeave", EVENT_INSERTLEAVE}, | |
2845 | 7677 {"InsertCharPre", EVENT_INSERTCHARPRE}, |
434 | 7678 {"MenuPopup", EVENT_MENUPOPUP}, |
161 | 7679 {"QuickFixCmdPost", EVENT_QUICKFIXCMDPOST}, |
7680 {"QuickFixCmdPre", EVENT_QUICKFIXCMDPRE}, | |
3568 | 7681 {"QuitPre", EVENT_QUITPRE}, |
7 | 7682 {"RemoteReply", EVENT_REMOTEREPLY}, |
574 | 7683 {"SessionLoadPost", EVENT_SESSIONLOADPOST}, |
723 | 7684 {"ShellCmdPost", EVENT_SHELLCMDPOST}, |
7685 {"ShellFilterPost", EVENT_SHELLFILTERPOST}, | |
715 | 7686 {"SourcePre", EVENT_SOURCEPRE}, |
1061 | 7687 {"SourceCmd", EVENT_SOURCECMD}, |
649 | 7688 {"SpellFileMissing",EVENT_SPELLFILEMISSING}, |
7 | 7689 {"StdinReadPost", EVENT_STDINREADPOST}, |
7690 {"StdinReadPre", EVENT_STDINREADPRE}, | |
674 | 7691 {"SwapExists", EVENT_SWAPEXISTS}, |
7 | 7692 {"Syntax", EVENT_SYNTAX}, |
676 | 7693 {"TabEnter", EVENT_TABENTER}, |
7694 {"TabLeave", EVENT_TABLEAVE}, | |
7 | 7695 {"TermChanged", EVENT_TERMCHANGED}, |
7696 {"TermResponse", EVENT_TERMRESPONSE}, | |
4232 | 7697 {"TextChanged", EVENT_TEXTCHANGED}, |
7698 {"TextChangedI", EVENT_TEXTCHANGEDI}, | |
7 | 7699 {"User", EVENT_USER}, |
7700 {"VimEnter", EVENT_VIMENTER}, | |
7701 {"VimLeave", EVENT_VIMLEAVE}, | |
7702 {"VimLeavePre", EVENT_VIMLEAVEPRE}, | |
7703 {"WinEnter", EVENT_WINENTER}, | |
7704 {"WinLeave", EVENT_WINLEAVE}, | |
765 | 7705 {"VimResized", EVENT_VIMRESIZED}, |
661 | 7706 {NULL, (event_T)0} |
7 | 7707 }; |
7708 | |
7709 static AutoPat *first_autopat[NUM_EVENTS] = | |
7710 { | |
7711 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
7712 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
7713 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
7714 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
18 | 7715 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, |
7716 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL | |
7 | 7717 }; |
7718 | |
7719 /* | |
7720 * struct used to keep status while executing autocommands for an event. | |
7721 */ | |
7722 typedef struct AutoPatCmd | |
7723 { | |
7724 AutoPat *curpat; /* next AutoPat to examine */ | |
7725 AutoCmd *nextcmd; /* next AutoCmd to execute */ | |
7726 int group; /* group being used */ | |
7727 char_u *fname; /* fname to match with */ | |
7728 char_u *sfname; /* sfname to match with */ | |
7729 char_u *tail; /* tail of fname */ | |
661 | 7730 event_T event; /* current event */ |
40 | 7731 int arg_bufnr; /* initially equal to <abuf>, set to zero when |
7732 buf is deleted */ | |
7733 struct AutoPatCmd *next; /* chain of active apc-s for auto-invalidation*/ | |
7 | 7734 } AutoPatCmd; |
7735 | |
297 | 7736 static AutoPatCmd *active_apc_list = NULL; /* stack of active autocommands */ |
40 | 7737 |
7 | 7738 /* |
7739 * augroups stores a list of autocmd group names. | |
7740 */ | |
297 | 7741 static garray_T augroups = {0, 0, sizeof(char_u *), 10, NULL}; |
7 | 7742 #define AUGROUP_NAME(i) (((char_u **)augroups.ga_data)[i]) |
7743 | |
7744 /* | |
7745 * The ID of the current group. Group 0 is the default one. | |
7746 */ | |
7747 static int current_augroup = AUGROUP_DEFAULT; | |
7748 | |
7749 static int au_need_clean = FALSE; /* need to delete marked patterns */ | |
7750 | |
661 | 7751 static void show_autocmd __ARGS((AutoPat *ap, event_T event)); |
7 | 7752 static void au_remove_pat __ARGS((AutoPat *ap)); |
7753 static void au_remove_cmds __ARGS((AutoPat *ap)); | |
7754 static void au_cleanup __ARGS((void)); | |
7755 static int au_new_group __ARGS((char_u *name)); | |
7756 static void au_del_group __ARGS((char_u *name)); | |
661 | 7757 static event_T event_name2nr __ARGS((char_u *start, char_u **end)); |
7758 static char_u *event_nr2name __ARGS((event_T event)); | |
7 | 7759 static char_u *find_end_event __ARGS((char_u *arg, int have_group)); |
661 | 7760 static int event_ignored __ARGS((event_T event)); |
7 | 7761 static int au_get_grouparg __ARGS((char_u **argp)); |
661 | 7762 static int do_autocmd_event __ARGS((event_T event, char_u *pat, int nested, char_u *cmd, int forceit, int group)); |
7763 static int apply_autocmds_group __ARGS((event_T event, char_u *fname, char_u *fname_io, int force, int group, buf_T *buf, exarg_T *eap)); | |
7 | 7764 static void auto_next_pat __ARGS((AutoPatCmd *apc, int stop_at_last)); |
7765 | |
40 | 7766 |
661 | 7767 static event_T last_event; |
7 | 7768 static int last_group; |
1410 | 7769 static int autocmd_blocked = 0; /* block all autocmds */ |
7 | 7770 |
7771 /* | |
7772 * Show the autocommands for one AutoPat. | |
7773 */ | |
7774 static void | |
7775 show_autocmd(ap, event) | |
7776 AutoPat *ap; | |
661 | 7777 event_T event; |
7 | 7778 { |
7779 AutoCmd *ac; | |
7780 | |
7781 /* Check for "got_int" (here and at various places below), which is set | |
7782 * when "q" has been hit for the "--more--" prompt */ | |
7783 if (got_int) | |
7784 return; | |
7785 if (ap->pat == NULL) /* pattern has been removed */ | |
7786 return; | |
7787 | |
7788 msg_putchar('\n'); | |
7789 if (got_int) | |
7790 return; | |
7791 if (event != last_event || ap->group != last_group) | |
7792 { | |
7793 if (ap->group != AUGROUP_DEFAULT) | |
7794 { | |
7795 if (AUGROUP_NAME(ap->group) == NULL) | |
7796 msg_puts_attr((char_u *)_("--Deleted--"), hl_attr(HLF_E)); | |
7797 else | |
7798 msg_puts_attr(AUGROUP_NAME(ap->group), hl_attr(HLF_T)); | |
7799 msg_puts((char_u *)" "); | |
7800 } | |
7801 msg_puts_attr(event_nr2name(event), hl_attr(HLF_T)); | |
7802 last_event = event; | |
7803 last_group = ap->group; | |
7804 msg_putchar('\n'); | |
7805 if (got_int) | |
7806 return; | |
7807 } | |
7808 msg_col = 4; | |
7809 msg_outtrans(ap->pat); | |
7810 | |
7811 for (ac = ap->cmds; ac != NULL; ac = ac->next) | |
7812 { | |
7813 if (ac->cmd != NULL) /* skip removed commands */ | |
7814 { | |
7815 if (msg_col >= 14) | |
7816 msg_putchar('\n'); | |
7817 msg_col = 14; | |
7818 if (got_int) | |
7819 return; | |
7820 msg_outtrans(ac->cmd); | |
500 | 7821 #ifdef FEAT_EVAL |
7822 if (p_verbose > 0) | |
7823 last_set_msg(ac->scriptID); | |
7824 #endif | |
7 | 7825 if (got_int) |
7826 return; | |
7827 if (ac->next != NULL) | |
7828 { | |
7829 msg_putchar('\n'); | |
7830 if (got_int) | |
7831 return; | |
7832 } | |
7833 } | |
7834 } | |
7835 } | |
7836 | |
7837 /* | |
7838 * Mark an autocommand pattern for deletion. | |
7839 */ | |
7840 static void | |
7841 au_remove_pat(ap) | |
7842 AutoPat *ap; | |
7843 { | |
7844 vim_free(ap->pat); | |
7845 ap->pat = NULL; | |
40 | 7846 ap->buflocal_nr = -1; |
7 | 7847 au_need_clean = TRUE; |
7848 } | |
7849 | |
7850 /* | |
7851 * Mark all commands for a pattern for deletion. | |
7852 */ | |
7853 static void | |
7854 au_remove_cmds(ap) | |
7855 AutoPat *ap; | |
7856 { | |
7857 AutoCmd *ac; | |
7858 | |
7859 for (ac = ap->cmds; ac != NULL; ac = ac->next) | |
7860 { | |
7861 vim_free(ac->cmd); | |
7862 ac->cmd = NULL; | |
7863 } | |
7864 au_need_clean = TRUE; | |
7865 } | |
7866 | |
7867 /* | |
7868 * Cleanup autocommands and patterns that have been deleted. | |
7869 * This is only done when not executing autocommands. | |
7870 */ | |
7871 static void | |
7872 au_cleanup() | |
7873 { | |
7874 AutoPat *ap, **prev_ap; | |
7875 AutoCmd *ac, **prev_ac; | |
661 | 7876 event_T event; |
7 | 7877 |
7878 if (autocmd_busy || !au_need_clean) | |
7879 return; | |
7880 | |
7881 /* loop over all events */ | |
661 | 7882 for (event = (event_T)0; (int)event < (int)NUM_EVENTS; |
7883 event = (event_T)((int)event + 1)) | |
7 | 7884 { |
7885 /* loop over all autocommand patterns */ | |
7886 prev_ap = &(first_autopat[(int)event]); | |
7887 for (ap = *prev_ap; ap != NULL; ap = *prev_ap) | |
7888 { | |
7889 /* loop over all commands for this pattern */ | |
7890 prev_ac = &(ap->cmds); | |
7891 for (ac = *prev_ac; ac != NULL; ac = *prev_ac) | |
7892 { | |
7893 /* remove the command if the pattern is to be deleted or when | |
7894 * the command has been marked for deletion */ | |
7895 if (ap->pat == NULL || ac->cmd == NULL) | |
7896 { | |
7897 *prev_ac = ac->next; | |
7898 vim_free(ac->cmd); | |
7899 vim_free(ac); | |
7900 } | |
7901 else | |
7902 prev_ac = &(ac->next); | |
7903 } | |
7904 | |
7905 /* remove the pattern if it has been marked for deletion */ | |
7906 if (ap->pat == NULL) | |
7907 { | |
7908 *prev_ap = ap->next; | |
4805
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|
7909 vim_regfree(ap->reg_prog); |
7 | 7910 vim_free(ap); |
7911 } | |
7912 else | |
7913 prev_ap = &(ap->next); | |
7914 } | |
7915 } | |
7916 | |
7917 au_need_clean = FALSE; | |
7918 } | |
7919 | |
7920 /* | |
40 | 7921 * Called when buffer is freed, to remove/invalidate related buffer-local |
7922 * autocmds. | |
7923 */ | |
7924 void | |
7925 aubuflocal_remove(buf) | |
7926 buf_T *buf; | |
7927 { | |
7928 AutoPat *ap; | |
661 | 7929 event_T event; |
40 | 7930 AutoPatCmd *apc; |
7931 | |
7932 /* invalidate currently executing autocommands */ | |
7933 for (apc = active_apc_list; apc; apc = apc->next) | |
7934 if (buf->b_fnum == apc->arg_bufnr) | |
7935 apc->arg_bufnr = 0; | |
7936 | |
7937 /* invalidate buflocals looping through events */ | |
661 | 7938 for (event = (event_T)0; (int)event < (int)NUM_EVENTS; |
7939 event = (event_T)((int)event + 1)) | |
40 | 7940 /* loop over all autocommand patterns */ |
7941 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next) | |
7942 if (ap->buflocal_nr == buf->b_fnum) | |
7943 { | |
7944 au_remove_pat(ap); | |
7945 if (p_verbose >= 6) | |
292 | 7946 { |
7947 verbose_enter(); | |
40 | 7948 smsg((char_u *) |
7949 _("auto-removing autocommand: %s <buffer=%d>"), | |
7950 event_nr2name(event), buf->b_fnum); | |
292 | 7951 verbose_leave(); |
7952 } | |
40 | 7953 } |
7954 au_cleanup(); | |
7955 } | |
7956 | |
7957 /* | |
7 | 7958 * Add an autocmd group name. |
7959 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error. | |
7960 */ | |
7961 static int | |
7962 au_new_group(name) | |
7963 char_u *name; | |
7964 { | |
7965 int i; | |
7966 | |
7967 i = au_find_group(name); | |
7968 if (i == AUGROUP_ERROR) /* the group doesn't exist yet, add it */ | |
7969 { | |
7970 /* First try using a free entry. */ | |
7971 for (i = 0; i < augroups.ga_len; ++i) | |
7972 if (AUGROUP_NAME(i) == NULL) | |
7973 break; | |
7974 if (i == augroups.ga_len && ga_grow(&augroups, 1) == FAIL) | |
7975 return AUGROUP_ERROR; | |
7976 | |
7977 AUGROUP_NAME(i) = vim_strsave(name); | |
7978 if (AUGROUP_NAME(i) == NULL) | |
7979 return AUGROUP_ERROR; | |
7980 if (i == augroups.ga_len) | |
7981 ++augroups.ga_len; | |
7982 } | |
7983 | |
7984 return i; | |
7985 } | |
7986 | |
7987 static void | |
7988 au_del_group(name) | |
7989 char_u *name; | |
7990 { | |
7991 int i; | |
7992 | |
7993 i = au_find_group(name); | |
7994 if (i == AUGROUP_ERROR) /* the group doesn't exist */ | |
7995 EMSG2(_("E367: No such group: \"%s\""), name); | |
7996 else | |
7997 { | |
7998 vim_free(AUGROUP_NAME(i)); | |
7999 AUGROUP_NAME(i) = NULL; | |
8000 } | |
8001 } | |
8002 | |
8003 /* | |
8004 * Find the ID of an autocmd group name. | |
8005 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error. | |
8006 */ | |
8007 static int | |
8008 au_find_group(name) | |
8009 char_u *name; | |
8010 { | |
8011 int i; | |
8012 | |
8013 for (i = 0; i < augroups.ga_len; ++i) | |
8014 if (AUGROUP_NAME(i) != NULL && STRCMP(AUGROUP_NAME(i), name) == 0) | |
8015 return i; | |
8016 return AUGROUP_ERROR; | |
8017 } | |
8018 | |
461 | 8019 /* |
8020 * Return TRUE if augroup "name" exists. | |
8021 */ | |
8022 int | |
8023 au_has_group(name) | |
8024 char_u *name; | |
8025 { | |
8026 return au_find_group(name) != AUGROUP_ERROR; | |
8027 } | |
8028 | |
7 | 8029 /* |
8030 * ":augroup {name}". | |
8031 */ | |
8032 void | |
8033 do_augroup(arg, del_group) | |
8034 char_u *arg; | |
8035 int del_group; | |
8036 { | |
8037 int i; | |
8038 | |
8039 if (del_group) | |
8040 { | |
8041 if (*arg == NUL) | |
8042 EMSG(_(e_argreq)); | |
8043 else | |
8044 au_del_group(arg); | |
8045 } | |
8046 else if (STRICMP(arg, "end") == 0) /* ":aug end": back to group 0 */ | |
8047 current_augroup = AUGROUP_DEFAULT; | |
8048 else if (*arg) /* ":aug xxx": switch to group xxx */ | |
8049 { | |
8050 i = au_new_group(arg); | |
8051 if (i != AUGROUP_ERROR) | |
8052 current_augroup = i; | |
8053 } | |
8054 else /* ":aug": list the group names */ | |
8055 { | |
8056 msg_start(); | |
8057 for (i = 0; i < augroups.ga_len; ++i) | |
8058 { | |
8059 if (AUGROUP_NAME(i) != NULL) | |
8060 { | |
8061 msg_puts(AUGROUP_NAME(i)); | |
8062 msg_puts((char_u *)" "); | |
8063 } | |
8064 } | |
8065 msg_clr_eos(); | |
8066 msg_end(); | |
8067 } | |
8068 } | |
8069 | |
355 | 8070 #if defined(EXITFREE) || defined(PROTO) |
8071 void | |
8072 free_all_autocmds() | |
8073 { | |
8074 for (current_augroup = -1; current_augroup < augroups.ga_len; | |
8075 ++current_augroup) | |
8076 do_autocmd((char_u *)"", TRUE); | |
8077 ga_clear_strings(&augroups); | |
8078 } | |
8079 #endif | |
8080 | |
7 | 8081 /* |
8082 * Return the event number for event name "start". | |
8083 * Return NUM_EVENTS if the event name was not found. | |
8084 * Return a pointer to the next event name in "end". | |
8085 */ | |
661 | 8086 static event_T |
7 | 8087 event_name2nr(start, end) |
8088 char_u *start; | |
8089 char_u **end; | |
8090 { | |
8091 char_u *p; | |
8092 int i; | |
8093 int len; | |
8094 | |
8095 /* the event name ends with end of line, a blank or a comma */ | |
8096 for (p = start; *p && !vim_iswhite(*p) && *p != ','; ++p) | |
8097 ; | |
8098 for (i = 0; event_names[i].name != NULL; ++i) | |
8099 { | |
8100 len = (int)STRLEN(event_names[i].name); | |
8101 if (len == p - start && STRNICMP(event_names[i].name, start, len) == 0) | |
8102 break; | |
8103 } | |
8104 if (*p == ',') | |
8105 ++p; | |
8106 *end = p; | |
8107 if (event_names[i].name == NULL) | |
8108 return NUM_EVENTS; | |
8109 return event_names[i].event; | |
8110 } | |
8111 | |
8112 /* | |
8113 * Return the name for event "event". | |
8114 */ | |
8115 static char_u * | |
8116 event_nr2name(event) | |
661 | 8117 event_T event; |
7 | 8118 { |
8119 int i; | |
8120 | |
8121 for (i = 0; event_names[i].name != NULL; ++i) | |
8122 if (event_names[i].event == event) | |
8123 return (char_u *)event_names[i].name; | |
8124 return (char_u *)"Unknown"; | |
8125 } | |
8126 | |
8127 /* | |
8128 * Scan over the events. "*" stands for all events. | |
8129 */ | |
8130 static char_u * | |
8131 find_end_event(arg, have_group) | |
8132 char_u *arg; | |
8133 int have_group; /* TRUE when group name was found */ | |
8134 { | |
8135 char_u *pat; | |
8136 char_u *p; | |
8137 | |
8138 if (*arg == '*') | |
8139 { | |
8140 if (arg[1] && !vim_iswhite(arg[1])) | |
8141 { | |
8142 EMSG2(_("E215: Illegal character after *: %s"), arg); | |
8143 return NULL; | |
8144 } | |
8145 pat = arg + 1; | |
8146 } | |
8147 else | |
8148 { | |
8149 for (pat = arg; *pat && !vim_iswhite(*pat); pat = p) | |
8150 { | |
8151 if ((int)event_name2nr(pat, &p) >= (int)NUM_EVENTS) | |
8152 { | |
8153 if (have_group) | |
8154 EMSG2(_("E216: No such event: %s"), pat); | |
8155 else | |
8156 EMSG2(_("E216: No such group or event: %s"), pat); | |
8157 return NULL; | |
8158 } | |
8159 } | |
8160 } | |
8161 return pat; | |
8162 } | |
8163 | |
8164 /* | |
8165 * Return TRUE if "event" is included in 'eventignore'. | |
8166 */ | |
8167 static int | |
8168 event_ignored(event) | |
661 | 8169 event_T event; |
7 | 8170 { |
8171 char_u *p = p_ei; | |
8172 | |
844 | 8173 while (*p != NUL) |
8174 { | |
8175 if (STRNICMP(p, "all", 3) == 0 && (p[3] == NUL || p[3] == ',')) | |
8176 return TRUE; | |
7 | 8177 if (event_name2nr(p, &p) == event) |
8178 return TRUE; | |
844 | 8179 } |
7 | 8180 |
8181 return FALSE; | |
8182 } | |
8183 | |
8184 /* | |
8185 * Return OK when the contents of p_ei is valid, FAIL otherwise. | |
8186 */ | |
8187 int | |
8188 check_ei() | |
8189 { | |
8190 char_u *p = p_ei; | |
8191 | |
8192 while (*p) | |
844 | 8193 { |
8194 if (STRNICMP(p, "all", 3) == 0 && (p[3] == NUL || p[3] == ',')) | |
8195 { | |
8196 p += 3; | |
8197 if (*p == ',') | |
8198 ++p; | |
8199 } | |
8200 else if (event_name2nr(p, &p) == NUM_EVENTS) | |
7 | 8201 return FAIL; |
844 | 8202 } |
7 | 8203 |
8204 return OK; | |
8205 } | |
8206 | |
123 | 8207 # if defined(FEAT_SYN_HL) || defined(PROTO) |
8208 | |
8209 /* | |
8210 * Add "what" to 'eventignore' to skip loading syntax highlighting for every | |
8211 * buffer loaded into the window. "what" must start with a comma. | |
8212 * Returns the old value of 'eventignore' in allocated memory. | |
8213 */ | |
8214 char_u * | |
8215 au_event_disable(what) | |
8216 char *what; | |
8217 { | |
8218 char_u *new_ei; | |
8219 char_u *save_ei; | |
8220 | |
8221 save_ei = vim_strsave(p_ei); | |
8222 if (save_ei != NULL) | |
8223 { | |
557 | 8224 new_ei = vim_strnsave(p_ei, (int)(STRLEN(p_ei) + STRLEN(what))); |
123 | 8225 if (new_ei != NULL) |
8226 { | |
2095
8aa3cd045aef
updated for version 7.2.379
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2047
diff
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|
8227 if (*what == ',' && *p_ei == NUL) |
8aa3cd045aef
updated for version 7.2.379
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2047
diff
changeset
|
8228 STRCPY(new_ei, what + 1); |
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
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2047
diff
changeset
|
8229 else |
8aa3cd045aef
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diff
changeset
|
8230 STRCAT(new_ei, what); |
694 | 8231 set_string_option_direct((char_u *)"ei", -1, new_ei, |
8232 OPT_FREE, SID_NONE); | |
123 | 8233 vim_free(new_ei); |
8234 } | |
8235 } | |
8236 return save_ei; | |
8237 } | |
8238 | |
8239 void | |
8240 au_event_restore(old_ei) | |
8241 char_u *old_ei; | |
8242 { | |
8243 if (old_ei != NULL) | |
8244 { | |
694 | 8245 set_string_option_direct((char_u *)"ei", -1, old_ei, |
8246 OPT_FREE, SID_NONE); | |
123 | 8247 vim_free(old_ei); |
8248 } | |
8249 } | |
8250 # endif /* FEAT_SYN_HL */ | |
8251 | |
7 | 8252 /* |
8253 * do_autocmd() -- implements the :autocmd command. Can be used in the | |
8254 * following ways: | |
8255 * | |
8256 * :autocmd <event> <pat> <cmd> Add <cmd> to the list of commands that | |
8257 * will be automatically executed for <event> | |
8258 * when editing a file matching <pat>, in | |
8259 * the current group. | |
8260 * :autocmd <event> <pat> Show the auto-commands associated with | |
8261 * <event> and <pat>. | |
8262 * :autocmd <event> Show the auto-commands associated with | |
8263 * <event>. | |
8264 * :autocmd Show all auto-commands. | |
8265 * :autocmd! <event> <pat> <cmd> Remove all auto-commands associated with | |
8266 * <event> and <pat>, and add the command | |
8267 * <cmd>, for the current group. | |
8268 * :autocmd! <event> <pat> Remove all auto-commands associated with | |
8269 * <event> and <pat> for the current group. | |
8270 * :autocmd! <event> Remove all auto-commands associated with | |
8271 * <event> for the current group. | |
8272 * :autocmd! Remove ALL auto-commands for the current | |
8273 * group. | |
8274 * | |
8275 * Multiple events and patterns may be given separated by commas. Here are | |
8276 * some examples: | |
8277 * :autocmd bufread,bufenter *.c,*.h set tw=0 smartindent noic | |
8278 * :autocmd bufleave * set tw=79 nosmartindent ic infercase | |
8279 * | |
8280 * :autocmd * *.c show all autocommands for *.c files. | |
609 | 8281 * |
8282 * Mostly a {group} argument can optionally appear before <event>. | |
7 | 8283 */ |
8284 void | |
8285 do_autocmd(arg, forceit) | |
8286 char_u *arg; | |
8287 int forceit; | |
8288 { | |
8289 char_u *pat; | |
8290 char_u *envpat = NULL; | |
8291 char_u *cmd; | |
661 | 8292 event_T event; |
7 | 8293 int need_free = FALSE; |
8294 int nested = FALSE; | |
8295 int group; | |
8296 | |
8297 /* | |
8298 * Check for a legal group name. If not, use AUGROUP_ALL. | |
8299 */ | |
8300 group = au_get_grouparg(&arg); | |
8301 if (arg == NULL) /* out of memory */ | |
8302 return; | |
8303 | |
8304 /* | |
8305 * Scan over the events. | |
8306 * If we find an illegal name, return here, don't do anything. | |
8307 */ | |
8308 pat = find_end_event(arg, group != AUGROUP_ALL); | |
8309 if (pat == NULL) | |
8310 return; | |
8311 | |
8312 /* | |
8313 * Scan over the pattern. Put a NUL at the end. | |
8314 */ | |
8315 pat = skipwhite(pat); | |
8316 cmd = pat; | |
8317 while (*cmd && (!vim_iswhite(*cmd) || cmd[-1] == '\\')) | |
8318 cmd++; | |
8319 if (*cmd) | |
8320 *cmd++ = NUL; | |
8321 | |
8322 /* Expand environment variables in the pattern. Set 'shellslash', we want | |
8323 * forward slashes here. */ | |
8324 if (vim_strchr(pat, '$') != NULL || vim_strchr(pat, '~') != NULL) | |
8325 { | |
8326 #ifdef BACKSLASH_IN_FILENAME | |
8327 int p_ssl_save = p_ssl; | |
8328 | |
8329 p_ssl = TRUE; | |
8330 #endif | |
8331 envpat = expand_env_save(pat); | |
8332 #ifdef BACKSLASH_IN_FILENAME | |
8333 p_ssl = p_ssl_save; | |
8334 #endif | |
8335 if (envpat != NULL) | |
8336 pat = envpat; | |
8337 } | |
8338 | |
8339 /* | |
8340 * Check for "nested" flag. | |
8341 */ | |
8342 cmd = skipwhite(cmd); | |
8343 if (*cmd != NUL && STRNCMP(cmd, "nested", 6) == 0 && vim_iswhite(cmd[6])) | |
8344 { | |
8345 nested = TRUE; | |
8346 cmd = skipwhite(cmd + 6); | |
8347 } | |
8348 | |
8349 /* | |
8350 * Find the start of the commands. | |
8351 * Expand <sfile> in it. | |
8352 */ | |
8353 if (*cmd != NUL) | |
8354 { | |
8355 cmd = expand_sfile(cmd); | |
8356 if (cmd == NULL) /* some error */ | |
8357 return; | |
8358 need_free = TRUE; | |
8359 } | |
8360 | |
8361 /* | |
8362 * Print header when showing autocommands. | |
8363 */ | |
8364 if (!forceit && *cmd == NUL) | |
8365 { | |
8366 /* Highlight title */ | |
8367 MSG_PUTS_TITLE(_("\n--- Auto-Commands ---")); | |
8368 } | |
8369 | |
8370 /* | |
8371 * Loop over the events. | |
8372 */ | |
661 | 8373 last_event = (event_T)-1; /* for listing the event name */ |
7 | 8374 last_group = AUGROUP_ERROR; /* for listing the group name */ |
8375 if (*arg == '*' || *arg == NUL) | |
8376 { | |
661 | 8377 for (event = (event_T)0; (int)event < (int)NUM_EVENTS; |
8378 event = (event_T)((int)event + 1)) | |
7 | 8379 if (do_autocmd_event(event, pat, |
8380 nested, cmd, forceit, group) == FAIL) | |
8381 break; | |
8382 } | |
8383 else | |
8384 { | |
8385 while (*arg && !vim_iswhite(*arg)) | |
8386 if (do_autocmd_event(event_name2nr(arg, &arg), pat, | |
8387 nested, cmd, forceit, group) == FAIL) | |
8388 break; | |
8389 } | |
8390 | |
8391 if (need_free) | |
8392 vim_free(cmd); | |
8393 vim_free(envpat); | |
8394 } | |
8395 | |
8396 /* | |
8397 * Find the group ID in a ":autocmd" or ":doautocmd" argument. | |
8398 * The "argp" argument is advanced to the following argument. | |
8399 * | |
8400 * Returns the group ID, AUGROUP_ERROR for error (out of memory). | |
8401 */ | |
8402 static int | |
8403 au_get_grouparg(argp) | |
8404 char_u **argp; | |
8405 { | |
8406 char_u *group_name; | |
8407 char_u *p; | |
8408 char_u *arg = *argp; | |
8409 int group = AUGROUP_ALL; | |
8410 | |
8411 p = skiptowhite(arg); | |
8412 if (p > arg) | |
8413 { | |
8414 group_name = vim_strnsave(arg, (int)(p - arg)); | |
8415 if (group_name == NULL) /* out of memory */ | |
8416 return AUGROUP_ERROR; | |
8417 group = au_find_group(group_name); | |
8418 if (group == AUGROUP_ERROR) | |
8419 group = AUGROUP_ALL; /* no match, use all groups */ | |
8420 else | |
8421 *argp = skipwhite(p); /* match, skip over group name */ | |
8422 vim_free(group_name); | |
8423 } | |
8424 return group; | |
8425 } | |
8426 | |
8427 /* | |
8428 * do_autocmd() for one event. | |
8429 * If *pat == NUL do for all patterns. | |
8430 * If *cmd == NUL show entries. | |
8431 * If forceit == TRUE delete entries. | |
8432 * If group is not AUGROUP_ALL, only use this group. | |
8433 */ | |
8434 static int | |
8435 do_autocmd_event(event, pat, nested, cmd, forceit, group) | |
661 | 8436 event_T event; |
7 | 8437 char_u *pat; |
8438 int nested; | |
8439 char_u *cmd; | |
8440 int forceit; | |
8441 int group; | |
8442 { | |
8443 AutoPat *ap; | |
8444 AutoPat **prev_ap; | |
8445 AutoCmd *ac; | |
8446 AutoCmd **prev_ac; | |
8447 int brace_level; | |
8448 char_u *endpat; | |
8449 int findgroup; | |
8450 int allgroups; | |
8451 int patlen; | |
856 | 8452 int is_buflocal; |
40 | 8453 int buflocal_nr; |
8454 char_u buflocal_pat[25]; /* for "<buffer=X>" */ | |
7 | 8455 |
8456 if (group == AUGROUP_ALL) | |
8457 findgroup = current_augroup; | |
8458 else | |
8459 findgroup = group; | |
8460 allgroups = (group == AUGROUP_ALL && !forceit && *cmd == NUL); | |
8461 | |
8462 /* | |
8463 * Show or delete all patterns for an event. | |
8464 */ | |
8465 if (*pat == NUL) | |
8466 { | |
8467 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next) | |
8468 { | |
8469 if (forceit) /* delete the AutoPat, if it's in the current group */ | |
8470 { | |
8471 if (ap->group == findgroup) | |
8472 au_remove_pat(ap); | |
8473 } | |
8474 else if (group == AUGROUP_ALL || ap->group == group) | |
8475 show_autocmd(ap, event); | |
8476 } | |
8477 } | |
8478 | |
8479 /* | |
8480 * Loop through all the specified patterns. | |
8481 */ | |
8482 for ( ; *pat; pat = (*endpat == ',' ? endpat + 1 : endpat)) | |
8483 { | |
8484 /* | |
8485 * Find end of the pattern. | |
8486 * Watch out for a comma in braces, like "*.\{obj,o\}". | |
8487 */ | |
8488 brace_level = 0; | |
8489 for (endpat = pat; *endpat && (*endpat != ',' || brace_level | |
8490 || endpat[-1] == '\\'); ++endpat) | |
8491 { | |
8492 if (*endpat == '{') | |
8493 brace_level++; | |
8494 else if (*endpat == '}') | |
8495 brace_level--; | |
8496 } | |
8497 if (pat == endpat) /* ignore single comma */ | |
8498 continue; | |
8499 patlen = (int)(endpat - pat); | |
8500 | |
8501 /* | |
40 | 8502 * detect special <buflocal[=X]> buffer-local patterns |
8503 */ | |
8504 is_buflocal = FALSE; | |
8505 buflocal_nr = 0; | |
8506 | |
8507 if (patlen >= 7 && STRNCMP(pat, "<buffer", 7) == 0 | |
8508 && pat[patlen - 1] == '>') | |
8509 { | |
8510 /* Error will be printed only for addition. printing and removing | |
8511 * will proceed silently. */ | |
8512 is_buflocal = TRUE; | |
8513 if (patlen == 8) | |
8514 buflocal_nr = curbuf->b_fnum; | |
8515 else if (patlen > 9 && pat[7] == '=') | |
8516 { | |
8517 /* <buffer=abuf> */ | |
8518 if (patlen == 13 && STRNICMP(pat, "<buffer=abuf>", 13)) | |
8519 buflocal_nr = autocmd_bufnr; | |
8520 /* <buffer=123> */ | |
8521 else if (skipdigits(pat + 8) == pat + patlen - 1) | |
8522 buflocal_nr = atoi((char *)pat + 8); | |
8523 } | |
8524 } | |
8525 | |
8526 if (is_buflocal) | |
8527 { | |
8528 /* normalize pat into standard "<buffer>#N" form */ | |
8529 sprintf((char *)buflocal_pat, "<buffer=%d>", buflocal_nr); | |
8530 pat = buflocal_pat; /* can modify pat and patlen */ | |
835 | 8531 patlen = (int)STRLEN(buflocal_pat); /* but not endpat */ |
40 | 8532 } |
8533 | |
8534 /* | |
7 | 8535 * Find AutoPat entries with this pattern. |
8536 */ | |
8537 prev_ap = &first_autopat[(int)event]; | |
8538 while ((ap = *prev_ap) != NULL) | |
8539 { | |
8540 if (ap->pat != NULL) | |
8541 { | |
8542 /* Accept a pattern when: | |
8543 * - a group was specified and it's that group, or a group was | |
8544 * not specified and it's the current group, or a group was | |
8545 * not specified and we are listing | |
8546 * - the length of the pattern matches | |
40 | 8547 * - the pattern matches. |
8548 * For <buffer[=X]>, this condition works because we normalize | |
8549 * all buffer-local patterns. | |
7 | 8550 */ |
8551 if ((allgroups || ap->group == findgroup) | |
8552 && ap->patlen == patlen | |
8553 && STRNCMP(pat, ap->pat, patlen) == 0) | |
8554 { | |
8555 /* | |
8556 * Remove existing autocommands. | |
8557 * If adding any new autocmd's for this AutoPat, don't | |
8558 * delete the pattern from the autopat list, append to | |
8559 * this list. | |
8560 */ | |
8561 if (forceit) | |
8562 { | |
8563 if (*cmd != NUL && ap->next == NULL) | |
8564 { | |
8565 au_remove_cmds(ap); | |
8566 break; | |
8567 } | |
8568 au_remove_pat(ap); | |
8569 } | |
8570 | |
8571 /* | |
40 | 8572 * Show autocmd's for this autopat, or buflocals <buffer=X> |
7 | 8573 */ |
8574 else if (*cmd == NUL) | |
8575 show_autocmd(ap, event); | |
8576 | |
8577 /* | |
8578 * Add autocmd to this autopat, if it's the last one. | |
8579 */ | |
8580 else if (ap->next == NULL) | |
8581 break; | |
8582 } | |
8583 } | |
8584 prev_ap = &ap->next; | |
8585 } | |
8586 | |
8587 /* | |
8588 * Add a new command. | |
8589 */ | |
8590 if (*cmd != NUL) | |
8591 { | |
8592 /* | |
8593 * If the pattern we want to add a command to does appear at the | |
8594 * end of the list (or not is not in the list at all), add the | |
8595 * pattern at the end of the list. | |
8596 */ | |
8597 if (ap == NULL) | |
8598 { | |
40 | 8599 /* refuse to add buffer-local ap if buffer number is invalid */ |
8600 if (is_buflocal && (buflocal_nr == 0 | |
8601 || buflist_findnr(buflocal_nr) == NULL)) | |
8602 { | |
8603 EMSGN(_("E680: <buffer=%d>: invalid buffer number "), | |
8604 buflocal_nr); | |
8605 return FAIL; | |
8606 } | |
8607 | |
7 | 8608 ap = (AutoPat *)alloc((unsigned)sizeof(AutoPat)); |
8609 if (ap == NULL) | |
8610 return FAIL; | |
8611 ap->pat = vim_strnsave(pat, patlen); | |
8612 ap->patlen = patlen; | |
8613 if (ap->pat == NULL) | |
8614 { | |
8615 vim_free(ap); | |
8616 return FAIL; | |
8617 } | |
40 | 8618 |
8619 if (is_buflocal) | |
8620 { | |
8621 ap->buflocal_nr = buflocal_nr; | |
153 | 8622 ap->reg_prog = NULL; |
40 | 8623 } |
8624 else | |
7 | 8625 { |
153 | 8626 char_u *reg_pat; |
8627 | |
40 | 8628 ap->buflocal_nr = 0; |
153 | 8629 reg_pat = file_pat_to_reg_pat(pat, endpat, |
40 | 8630 &ap->allow_dirs, TRUE); |
153 | 8631 if (reg_pat != NULL) |
8632 ap->reg_prog = vim_regcomp(reg_pat, RE_MAGIC); | |
355 | 8633 vim_free(reg_pat); |
153 | 8634 if (reg_pat == NULL || ap->reg_prog == NULL) |
40 | 8635 { |
8636 vim_free(ap->pat); | |
8637 vim_free(ap); | |
8638 return FAIL; | |
8639 } | |
7 | 8640 } |
8641 ap->cmds = NULL; | |
8642 *prev_ap = ap; | |
8643 ap->next = NULL; | |
8644 if (group == AUGROUP_ALL) | |
8645 ap->group = current_augroup; | |
8646 else | |
8647 ap->group = group; | |
8648 } | |
8649 | |
8650 /* | |
8651 * Add the autocmd at the end of the AutoCmd list. | |
8652 */ | |
8653 prev_ac = &(ap->cmds); | |
8654 while ((ac = *prev_ac) != NULL) | |
8655 prev_ac = &ac->next; | |
8656 ac = (AutoCmd *)alloc((unsigned)sizeof(AutoCmd)); | |
8657 if (ac == NULL) | |
8658 return FAIL; | |
8659 ac->cmd = vim_strsave(cmd); | |
8660 #ifdef FEAT_EVAL | |
8661 ac->scriptID = current_SID; | |
8662 #endif | |
8663 if (ac->cmd == NULL) | |
8664 { | |
8665 vim_free(ac); | |
8666 return FAIL; | |
8667 } | |
8668 ac->next = NULL; | |
8669 *prev_ac = ac; | |
8670 ac->nested = nested; | |
8671 } | |
8672 } | |
8673 | |
8674 au_cleanup(); /* may really delete removed patterns/commands now */ | |
8675 return OK; | |
8676 } | |
8677 | |
8678 /* | |
8679 * Implementation of ":doautocmd [group] event [fname]". | |
8680 * Return OK for success, FAIL for failure; | |
8681 */ | |
8682 int | |
8683 do_doautocmd(arg, do_msg) | |
8684 char_u *arg; | |
8685 int do_msg; /* give message for no matching autocmds? */ | |
8686 { | |
8687 char_u *fname; | |
8688 int nothing_done = TRUE; | |
8689 int group; | |
8690 | |
8691 /* | |
8692 * Check for a legal group name. If not, use AUGROUP_ALL. | |
8693 */ | |
8694 group = au_get_grouparg(&arg); | |
8695 if (arg == NULL) /* out of memory */ | |
8696 return FAIL; | |
8697 | |
8698 if (*arg == '*') | |
8699 { | |
8700 EMSG(_("E217: Can't execute autocommands for ALL events")); | |
8701 return FAIL; | |
8702 } | |
8703 | |
8704 /* | |
8705 * Scan over the events. | |
8706 * If we find an illegal name, return here, don't do anything. | |
8707 */ | |
8708 fname = find_end_event(arg, group != AUGROUP_ALL); | |
8709 if (fname == NULL) | |
8710 return FAIL; | |
8711 | |
8712 fname = skipwhite(fname); | |
8713 | |
8714 /* | |
8715 * Loop over the events. | |
8716 */ | |
8717 while (*arg && !vim_iswhite(*arg)) | |
8718 if (apply_autocmds_group(event_name2nr(arg, &arg), | |
8719 fname, NULL, TRUE, group, curbuf, NULL)) | |
8720 nothing_done = FALSE; | |
8721 | |
8722 if (nothing_done && do_msg) | |
8723 MSG(_("No matching autocommands")); | |
8724 | |
8725 #ifdef FEAT_EVAL | |
8726 return aborting() ? FAIL : OK; | |
8727 #else | |
8728 return OK; | |
8729 #endif | |
8730 } | |
8731 | |
8732 /* | |
8733 * ":doautoall": execute autocommands for each loaded buffer. | |
8734 */ | |
8735 void | |
8736 ex_doautoall(eap) | |
8737 exarg_T *eap; | |
8738 { | |
8739 int retval; | |
8740 aco_save_T aco; | |
8741 buf_T *buf; | |
3342 | 8742 char_u *arg = eap->arg; |
3350 | 8743 int call_do_modelines = check_nomodeline(&arg); |
7 | 8744 |
8745 /* | |
8746 * This is a bit tricky: For some commands curwin->w_buffer needs to be | |
8747 * equal to curbuf, but for some buffers there may not be a window. | |
8748 * So we change the buffer for the current window for a moment. This | |
8749 * gives problems when the autocommands make changes to the list of | |
8750 * buffers or windows... | |
8751 */ | |
8752 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
8753 { | |
1665 | 8754 if (buf->b_ml.ml_mfp != NULL) |
7 | 8755 { |
8756 /* find a window for this buffer and save some values */ | |
8757 aucmd_prepbuf(&aco, buf); | |
8758 | |
8759 /* execute the autocommands for this buffer */ | |
3342 | 8760 retval = do_doautocmd(arg, FALSE); |
8761 | |
8762 if (call_do_modelines) | |
8763 { | |
8764 /* Execute the modeline settings, but don't set window-local | |
8765 * options if we are using the current window for another | |
8766 * buffer. */ | |
8767 do_modelines(curwin == aucmd_win ? OPT_NOWIN : 0); | |
8768 } | |
7 | 8769 |
8770 /* restore the current window */ | |
8771 aucmd_restbuf(&aco); | |
8772 | |
8773 /* stop if there is some error or buffer was deleted */ | |
8774 if (retval == FAIL || !buf_valid(buf)) | |
8775 break; | |
8776 } | |
8777 } | |
8778 | |
8779 check_cursor(); /* just in case lines got deleted */ | |
8780 } | |
8781 | |
8782 /* | |
3350 | 8783 * Check *argp for <nomodeline>. When it is present return FALSE, otherwise |
8784 * return TRUE and advance *argp to after it. | |
8785 * Thus return TRUE when do_modelines() should be called. | |
8786 */ | |
8787 int | |
8788 check_nomodeline(argp) | |
8789 char_u **argp; | |
8790 { | |
8791 if (STRNCMP(*argp, "<nomodeline>", 12) == 0) | |
8792 { | |
8793 *argp = skipwhite(*argp + 12); | |
8794 return FALSE; | |
8795 } | |
8796 return TRUE; | |
8797 } | |
8798 | |
8799 /* | |
7 | 8800 * Prepare for executing autocommands for (hidden) buffer "buf". |
1906 | 8801 * Search for a visible window containing the current buffer. If there isn't |
8802 * one then use "aucmd_win". | |
7 | 8803 * Set "curbuf" and "curwin" to match "buf". |
934 | 8804 * When FEAT_AUTOCMD is not defined another version is used, see below. |
7 | 8805 */ |
8806 void | |
8807 aucmd_prepbuf(aco, buf) | |
8808 aco_save_T *aco; /* structure to save values in */ | |
8809 buf_T *buf; /* new curbuf */ | |
8810 { | |
8811 win_T *win; | |
1906 | 8812 #ifdef FEAT_WINDOWS |
8813 int save_ea; | |
8814 #endif | |
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8815 #ifdef FEAT_AUTOCHDIR |
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8816 int save_acd; |
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8817 #endif |
7 | 8818 |
8819 /* Find a window that is for the new buffer */ | |
8820 if (buf == curbuf) /* be quick when buf is curbuf */ | |
8821 win = curwin; | |
8822 else | |
8823 #ifdef FEAT_WINDOWS | |
8824 for (win = firstwin; win != NULL; win = win->w_next) | |
8825 if (win->w_buffer == buf) | |
8826 break; | |
8827 #else | |
8828 win = NULL; | |
8829 #endif | |
8830 | |
1906 | 8831 /* Allocate "aucmd_win" when needed. If this fails (out of memory) fall |
8832 * back to using the current window. */ | |
8833 if (win == NULL && aucmd_win == NULL) | |
8834 { | |
8835 win_alloc_aucmd_win(); | |
8836 if (aucmd_win == NULL) | |
8837 win = curwin; | |
8838 } | |
1944 | 8839 if (win == NULL && aucmd_win_used) |
8840 /* Strange recursive autocommand, fall back to using the current | |
8841 * window. Expect a few side effects... */ | |
8842 win = curwin; | |
1906 | 8843 |
8844 aco->save_curwin = curwin; | |
8845 aco->save_curbuf = curbuf; | |
7 | 8846 if (win != NULL) |
8847 { | |
1906 | 8848 /* There is a window for "buf" in the current tab page, make it the |
8849 * curwin. This is preferred, it has the least side effects (esp. if | |
8850 * "buf" is curbuf). */ | |
1944 | 8851 aco->use_aucmd_win = FALSE; |
7 | 8852 curwin = win; |
8853 } | |
8854 else | |
8855 { | |
1906 | 8856 /* There is no window for "buf", use "aucmd_win". To minimize the side |
4352 | 8857 * effects, insert it in the current tab page. |
1906 | 8858 * Anything related to a window (e.g., setting folds) may have |
8859 * unexpected results. */ | |
1944 | 8860 aco->use_aucmd_win = TRUE; |
8861 aucmd_win_used = TRUE; | |
1918 | 8862 aucmd_win->w_buffer = buf; |
2258
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|
8863 aucmd_win->w_s = &buf->b_s; |
7 | 8864 ++buf->b_nwindows; |
1918 | 8865 win_init_empty(aucmd_win); /* set cursor and topline to safe values */ |
1944 | 8866 |
8867 /* Make sure w_localdir and globaldir are NULL to avoid a chdir() in | |
8868 * win_enter_ext(). */ | |
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|
8869 vim_free(aucmd_win->w_localdir); |
1944 | 8870 aucmd_win->w_localdir = NULL; |
8871 aco->globaldir = globaldir; | |
8872 globaldir = NULL; | |
8873 | |
7 | 8874 |
1906 | 8875 #ifdef FEAT_WINDOWS |
1923 | 8876 /* Split the current window, put the aucmd_win in the upper half. |
8877 * We don't want the BufEnter or WinEnter autocommands. */ | |
8878 block_autocmds(); | |
1906 | 8879 make_snapshot(SNAP_AUCMD_IDX); |
8880 save_ea = p_ea; | |
8881 p_ea = FALSE; | |
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8882 |
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8883 # ifdef FEAT_AUTOCHDIR |
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|
8884 /* Prevent chdir() call in win_enter_ext(), through do_autochdir(). */ |
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|
8885 save_acd = p_acd; |
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|
8886 p_acd = FALSE; |
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8887 # endif |
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|
8888 |
1906 | 8889 (void)win_split_ins(0, WSP_TOP, aucmd_win, 0); |
8890 (void)win_comp_pos(); /* recompute window positions */ | |
8891 p_ea = save_ea; | |
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|
8892 # ifdef FEAT_AUTOCHDIR |
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|
8893 p_acd = save_acd; |
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|
8894 # endif |
1923 | 8895 unblock_autocmds(); |
1906 | 8896 #endif |
1918 | 8897 curwin = aucmd_win; |
1906 | 8898 } |
7 | 8899 curbuf = buf; |
1906 | 8900 aco->new_curwin = curwin; |
8901 aco->new_curbuf = curbuf; | |
7 | 8902 } |
8903 | |
8904 /* | |
8905 * Cleanup after executing autocommands for a (hidden) buffer. | |
8906 * Restore the window as it was (if possible). | |
934 | 8907 * When FEAT_AUTOCMD is not defined another version is used, see below. |
7 | 8908 */ |
8909 void | |
8910 aucmd_restbuf(aco) | |
8911 aco_save_T *aco; /* structure holding saved values */ | |
8912 { | |
1906 | 8913 #ifdef FEAT_WINDOWS |
8914 int dummy; | |
8915 #endif | |
8916 | |
1944 | 8917 if (aco->use_aucmd_win) |
1906 | 8918 { |
8919 --curbuf->b_nwindows; | |
8920 #ifdef FEAT_WINDOWS | |
8921 /* Find "aucmd_win", it can't be closed, but it may be in another tab | |
1923 | 8922 * page. Do not trigger autocommands here. */ |
8923 block_autocmds(); | |
1906 | 8924 if (curwin != aucmd_win) |
8925 { | |
8926 tabpage_T *tp; | |
8927 win_T *wp; | |
8928 | |
8929 FOR_ALL_TAB_WINDOWS(tp, wp) | |
8930 { | |
8931 if (wp == aucmd_win) | |
8932 { | |
8933 if (tp != curtab) | |
4354 | 8934 goto_tabpage_tp(tp, TRUE, TRUE); |
1906 | 8935 win_goto(aucmd_win); |
3340 | 8936 goto win_found; |
1906 | 8937 } |
8938 } | |
8939 } | |
3340 | 8940 win_found: |
1906 | 8941 |
8942 /* Remove the window and frame from the tree of frames. */ | |
8943 (void)winframe_remove(curwin, &dummy, NULL); | |
8944 win_remove(curwin, NULL); | |
1944 | 8945 aucmd_win_used = FALSE; |
1906 | 8946 last_status(FALSE); /* may need to remove last status line */ |
8947 restore_snapshot(SNAP_AUCMD_IDX, FALSE); | |
8948 (void)win_comp_pos(); /* recompute window positions */ | |
1923 | 8949 unblock_autocmds(); |
1906 | 8950 |
8951 if (win_valid(aco->save_curwin)) | |
8952 curwin = aco->save_curwin; | |
8953 else | |
8954 /* Hmm, original window disappeared. Just use the first one. */ | |
8955 curwin = firstwin; | |
8956 # ifdef FEAT_EVAL | |
4287 | 8957 vars_clear(&aucmd_win->w_vars->dv_hashtab); /* free all w: variables */ |
8958 hash_init(&aucmd_win->w_vars->dv_hashtab); /* re-use the hashtab */ | |
1906 | 8959 # endif |
8960 #else | |
8961 curwin = aco->save_curwin; | |
8962 #endif | |
8963 curbuf = curwin->w_buffer; | |
8964 | |
1944 | 8965 vim_free(globaldir); |
8966 globaldir = aco->globaldir; | |
8967 | |
1906 | 8968 /* the buffer contents may have changed */ |
8969 check_cursor(); | |
8970 if (curwin->w_topline > curbuf->b_ml.ml_line_count) | |
8971 { | |
8972 curwin->w_topline = curbuf->b_ml.ml_line_count; | |
8973 #ifdef FEAT_DIFF | |
8974 curwin->w_topfill = 0; | |
8975 #endif | |
8976 } | |
8977 #if defined(FEAT_GUI) | |
8978 /* Hide the scrollbars from the aucmd_win and update. */ | |
8979 gui_mch_enable_scrollbar(&aucmd_win->w_scrollbars[SBAR_LEFT], FALSE); | |
8980 gui_mch_enable_scrollbar(&aucmd_win->w_scrollbars[SBAR_RIGHT], FALSE); | |
8981 gui_may_update_scrollbars(); | |
8982 #endif | |
8983 } | |
8984 else | |
7 | 8985 { |
8986 /* restore curwin */ | |
8987 #ifdef FEAT_WINDOWS | |
8988 if (win_valid(aco->save_curwin)) | |
8989 #endif | |
8990 { | |
1906 | 8991 /* Restore the buffer which was previously edited by curwin, if |
1944 | 8992 * it was changed, we are still the same window and the buffer is |
1906 | 8993 * valid. */ |
7 | 8994 if (curwin == aco->new_curwin |
1906 | 8995 && curbuf != aco->new_curbuf |
8996 && buf_valid(aco->new_curbuf) | |
8997 && aco->new_curbuf->b_ml.ml_mfp != NULL) | |
7 | 8998 { |
3497 | 8999 # if defined(FEAT_SYN_HL) || defined(FEAT_SPELL) |
9000 if (curwin->w_s == &curbuf->b_s) | |
9001 curwin->w_s = &aco->new_curbuf->b_s; | |
9002 # endif | |
7 | 9003 --curbuf->b_nwindows; |
1906 | 9004 curbuf = aco->new_curbuf; |
7 | 9005 curwin->w_buffer = curbuf; |
9006 ++curbuf->b_nwindows; | |
9007 } | |
9008 | |
9009 curwin = aco->save_curwin; | |
9010 curbuf = curwin->w_buffer; | |
9011 } | |
9012 } | |
9013 } | |
9014 | |
9015 static int autocmd_nested = FALSE; | |
9016 | |
9017 /* | |
9018 * Execute autocommands for "event" and file name "fname". | |
9019 * Return TRUE if some commands were executed. | |
9020 */ | |
9021 int | |
9022 apply_autocmds(event, fname, fname_io, force, buf) | |
661 | 9023 event_T event; |
7 | 9024 char_u *fname; /* NULL or empty means use actual file name */ |
9025 char_u *fname_io; /* fname to use for <afile> on cmdline */ | |
9026 int force; /* when TRUE, ignore autocmd_busy */ | |
9027 buf_T *buf; /* buffer for <abuf> */ | |
9028 { | |
9029 return apply_autocmds_group(event, fname, fname_io, force, | |
9030 AUGROUP_ALL, buf, NULL); | |
9031 } | |
9032 | |
9033 /* | |
9034 * Like apply_autocmds(), but with extra "eap" argument. This takes care of | |
9035 * setting v:filearg. | |
9036 */ | |
9037 static int | |
9038 apply_autocmds_exarg(event, fname, fname_io, force, buf, eap) | |
661 | 9039 event_T event; |
7 | 9040 char_u *fname; |
9041 char_u *fname_io; | |
9042 int force; | |
9043 buf_T *buf; | |
9044 exarg_T *eap; | |
9045 { | |
9046 return apply_autocmds_group(event, fname, fname_io, force, | |
9047 AUGROUP_ALL, buf, eap); | |
9048 } | |
9049 | |
9050 /* | |
9051 * Like apply_autocmds(), but handles the caller's retval. If the script | |
9052 * processing is being aborted or if retval is FAIL when inside a try | |
9053 * conditional, no autocommands are executed. If otherwise the autocommands | |
9054 * cause the script to be aborted, retval is set to FAIL. | |
9055 */ | |
9056 int | |
9057 apply_autocmds_retval(event, fname, fname_io, force, buf, retval) | |
661 | 9058 event_T event; |
7 | 9059 char_u *fname; /* NULL or empty means use actual file name */ |
9060 char_u *fname_io; /* fname to use for <afile> on cmdline */ | |
9061 int force; /* when TRUE, ignore autocmd_busy */ | |
9062 buf_T *buf; /* buffer for <abuf> */ | |
9063 int *retval; /* pointer to caller's retval */ | |
9064 { | |
9065 int did_cmd; | |
9066 | |
532 | 9067 #ifdef FEAT_EVAL |
7 | 9068 if (should_abort(*retval)) |
9069 return FALSE; | |
532 | 9070 #endif |
7 | 9071 |
9072 did_cmd = apply_autocmds_group(event, fname, fname_io, force, | |
9073 AUGROUP_ALL, buf, NULL); | |
532 | 9074 if (did_cmd |
9075 #ifdef FEAT_EVAL | |
9076 && aborting() | |
9077 #endif | |
9078 ) | |
7 | 9079 *retval = FAIL; |
9080 return did_cmd; | |
9081 } | |
9082 | |
609 | 9083 /* |
9084 * Return TRUE when there is a CursorHold autocommand defined. | |
9085 */ | |
7 | 9086 int |
9087 has_cursorhold() | |
9088 { | |
661 | 9089 return (first_autopat[(int)(get_real_state() == NORMAL_BUSY |
9090 ? EVENT_CURSORHOLD : EVENT_CURSORHOLDI)] != NULL); | |
7 | 9091 } |
609 | 9092 |
9093 /* | |
9094 * Return TRUE if the CursorHold event can be triggered. | |
9095 */ | |
9096 int | |
9097 trigger_cursorhold() | |
9098 { | |
661 | 9099 int state; |
9100 | |
2976 | 9101 if (!did_cursorhold |
9102 && has_cursorhold() | |
9103 && !Recording | |
9104 && typebuf.tb_len == 0 | |
978 | 9105 #ifdef FEAT_INS_EXPAND |
9106 && !ins_compl_active() | |
9107 #endif | |
9108 ) | |
661 | 9109 { |
9110 state = get_real_state(); | |
9111 if (state == NORMAL_BUSY || (state & INSERT) != 0) | |
9112 return TRUE; | |
9113 } | |
9114 return FALSE; | |
609 | 9115 } |
661 | 9116 |
9117 /* | |
9118 * Return TRUE when there is a CursorMoved autocommand defined. | |
9119 */ | |
9120 int | |
9121 has_cursormoved() | |
9122 { | |
9123 return (first_autopat[(int)EVENT_CURSORMOVED] != NULL); | |
9124 } | |
9125 | |
9126 /* | |
9127 * Return TRUE when there is a CursorMovedI autocommand defined. | |
9128 */ | |
9129 int | |
9130 has_cursormovedI() | |
9131 { | |
9132 return (first_autopat[(int)EVENT_CURSORMOVEDI] != NULL); | |
9133 } | |
7 | 9134 |
3390 | 9135 /* |
4232 | 9136 * Return TRUE when there is a TextChanged autocommand defined. |
9137 */ | |
9138 int | |
9139 has_textchanged() | |
9140 { | |
9141 return (first_autopat[(int)EVENT_TEXTCHANGED] != NULL); | |
9142 } | |
9143 | |
9144 /* | |
9145 * Return TRUE when there is a TextChangedI autocommand defined. | |
9146 */ | |
9147 int | |
9148 has_textchangedI() | |
9149 { | |
9150 return (first_autopat[(int)EVENT_TEXTCHANGEDI] != NULL); | |
9151 } | |
9152 | |
9153 /* | |
3390 | 9154 * Return TRUE when there is an InsertCharPre autocommand defined. |
9155 */ | |
9156 int | |
9157 has_insertcharpre() | |
9158 { | |
9159 return (first_autopat[(int)EVENT_INSERTCHARPRE] != NULL); | |
9160 } | |
9161 | |
7 | 9162 static int |
9163 apply_autocmds_group(event, fname, fname_io, force, group, buf, eap) | |
661 | 9164 event_T event; |
7 | 9165 char_u *fname; /* NULL or empty means use actual file name */ |
9166 char_u *fname_io; /* fname to use for <afile> on cmdline, NULL means | |
9167 use fname */ | |
9168 int force; /* when TRUE, ignore autocmd_busy */ | |
9169 int group; /* group ID, or AUGROUP_ALL */ | |
9170 buf_T *buf; /* buffer for <abuf> */ | |
9171 exarg_T *eap; /* command arguments */ | |
9172 { | |
9173 char_u *sfname = NULL; /* short file name */ | |
9174 char_u *tail; | |
9175 int save_changed; | |
9176 buf_T *old_curbuf; | |
9177 int retval = FALSE; | |
9178 char_u *save_sourcing_name; | |
9179 linenr_T save_sourcing_lnum; | |
9180 char_u *save_autocmd_fname; | |
1723 | 9181 int save_autocmd_fname_full; |
7 | 9182 int save_autocmd_bufnr; |
9183 char_u *save_autocmd_match; | |
9184 int save_autocmd_busy; | |
9185 int save_autocmd_nested; | |
9186 static int nesting = 0; | |
9187 AutoPatCmd patcmd; | |
9188 AutoPat *ap; | |
9189 #ifdef FEAT_EVAL | |
9190 scid_T save_current_SID; | |
9191 void *save_funccalp; | |
9192 char_u *save_cmdarg; | |
9193 long save_cmdbang; | |
9194 #endif | |
9195 static int filechangeshell_busy = FALSE; | |
170 | 9196 #ifdef FEAT_PROFILE |
9197 proftime_T wait_time; | |
9198 #endif | |
7 | 9199 |
9200 /* | |
9201 * Quickly return if there are no autocommands for this event or | |
9202 * autocommands are blocked. | |
9203 */ | |
1410 | 9204 if (first_autopat[(int)event] == NULL || autocmd_blocked > 0) |
40 | 9205 goto BYPASS_AU; |
7 | 9206 |
9207 /* | |
9208 * When autocommands are busy, new autocommands are only executed when | |
9209 * explicitly enabled with the "nested" flag. | |
9210 */ | |
9211 if (autocmd_busy && !(force || autocmd_nested)) | |
40 | 9212 goto BYPASS_AU; |
7 | 9213 |
9214 #ifdef FEAT_EVAL | |
9215 /* | |
1201 | 9216 * Quickly return when immediately aborting on error, or when an interrupt |
7 | 9217 * occurred or an exception was thrown but not caught. |
9218 */ | |
9219 if (aborting()) | |
40 | 9220 goto BYPASS_AU; |
7 | 9221 #endif |
9222 | |
9223 /* | |
9224 * FileChangedShell never nests, because it can create an endless loop. | |
9225 */ | |
765 | 9226 if (filechangeshell_busy && (event == EVENT_FILECHANGEDSHELL |
9227 || event == EVENT_FILECHANGEDSHELLPOST)) | |
40 | 9228 goto BYPASS_AU; |
7 | 9229 |
9230 /* | |
9231 * Ignore events in 'eventignore'. | |
9232 */ | |
9233 if (event_ignored(event)) | |
40 | 9234 goto BYPASS_AU; |
7 | 9235 |
9236 /* | |
9237 * Allow nesting of autocommands, but restrict the depth, because it's | |
9238 * possible to create an endless loop. | |
9239 */ | |
9240 if (nesting == 10) | |
9241 { | |
9242 EMSG(_("E218: autocommand nesting too deep")); | |
40 | 9243 goto BYPASS_AU; |
7 | 9244 } |
9245 | |
9246 /* | |
9247 * Check if these autocommands are disabled. Used when doing ":all" or | |
9248 * ":ball". | |
9249 */ | |
9250 if ( (autocmd_no_enter | |
9251 && (event == EVENT_WINENTER || event == EVENT_BUFENTER)) | |
9252 || (autocmd_no_leave | |
9253 && (event == EVENT_WINLEAVE || event == EVENT_BUFLEAVE))) | |
40 | 9254 goto BYPASS_AU; |
7 | 9255 |
9256 /* | |
9257 * Save the autocmd_* variables and info about the current buffer. | |
9258 */ | |
9259 save_autocmd_fname = autocmd_fname; | |
1723 | 9260 save_autocmd_fname_full = autocmd_fname_full; |
7 | 9261 save_autocmd_bufnr = autocmd_bufnr; |
9262 save_autocmd_match = autocmd_match; | |
9263 save_autocmd_busy = autocmd_busy; | |
9264 save_autocmd_nested = autocmd_nested; | |
9265 save_changed = curbuf->b_changed; | |
9266 old_curbuf = curbuf; | |
9267 | |
9268 /* | |
9269 * Set the file name to be used for <afile>. | |
1471 | 9270 * Make a copy to avoid that changing a buffer name or directory makes it |
9271 * invalid. | |
7 | 9272 */ |
9273 if (fname_io == NULL) | |
9274 { | |
5521 | 9275 if (event == EVENT_COLORSCHEME) |
9276 autocmd_fname = NULL; | |
9277 else if (fname != NULL && *fname != NUL) | |
7 | 9278 autocmd_fname = fname; |
9279 else if (buf != NULL) | |
1723 | 9280 autocmd_fname = buf->b_ffname; |
7 | 9281 else |
9282 autocmd_fname = NULL; | |
9283 } | |
9284 else | |
9285 autocmd_fname = fname_io; | |
1471 | 9286 if (autocmd_fname != NULL) |
1723 | 9287 autocmd_fname = vim_strsave(autocmd_fname); |
9288 autocmd_fname_full = FALSE; /* call FullName_save() later */ | |
7 | 9289 |
9290 /* | |
9291 * Set the buffer number to be used for <abuf>. | |
9292 */ | |
9293 if (buf == NULL) | |
9294 autocmd_bufnr = 0; | |
9295 else | |
9296 autocmd_bufnr = buf->b_fnum; | |
9297 | |
9298 /* | |
9299 * When the file name is NULL or empty, use the file name of buffer "buf". | |
9300 * Always use the full path of the file name to match with, in case | |
9301 * "allow_dirs" is set. | |
9302 */ | |
9303 if (fname == NULL || *fname == NUL) | |
9304 { | |
9305 if (buf == NULL) | |
9306 fname = NULL; | |
9307 else | |
9308 { | |
9309 #ifdef FEAT_SYN_HL | |
9310 if (event == EVENT_SYNTAX) | |
9311 fname = buf->b_p_syn; | |
9312 else | |
9313 #endif | |
9314 if (event == EVENT_FILETYPE) | |
9315 fname = buf->b_p_ft; | |
9316 else | |
9317 { | |
9318 if (buf->b_sfname != NULL) | |
9319 sfname = vim_strsave(buf->b_sfname); | |
9320 fname = buf->b_ffname; | |
9321 } | |
9322 } | |
9323 if (fname == NULL) | |
9324 fname = (char_u *)""; | |
9325 fname = vim_strsave(fname); /* make a copy, so we can change it */ | |
9326 } | |
9327 else | |
9328 { | |
9329 sfname = vim_strsave(fname); | |
5521 | 9330 /* Don't try expanding FileType, Syntax, FuncUndefined, WindowID, |
9331 * ColorScheme or QuickFixCmd* */ | |
161 | 9332 if (event == EVENT_FILETYPE |
9333 || event == EVENT_SYNTAX | |
1867 | 9334 || event == EVENT_FUNCUNDEFINED |
161 | 9335 || event == EVENT_REMOTEREPLY |
649 | 9336 || event == EVENT_SPELLFILEMISSING |
161 | 9337 || event == EVENT_QUICKFIXCMDPRE |
5521 | 9338 || event == EVENT_COLORSCHEME |
161 | 9339 || event == EVENT_QUICKFIXCMDPOST) |
7 | 9340 fname = vim_strsave(fname); |
9341 else | |
9342 fname = FullName_save(fname, FALSE); | |
9343 } | |
9344 if (fname == NULL) /* out of memory */ | |
9345 { | |
9346 vim_free(sfname); | |
40 | 9347 retval = FALSE; |
9348 goto BYPASS_AU; | |
7 | 9349 } |
9350 | |
9351 #ifdef BACKSLASH_IN_FILENAME | |
9352 /* | |
9353 * Replace all backslashes with forward slashes. This makes the | |
9354 * autocommand patterns portable between Unix and MS-DOS. | |
9355 */ | |
9356 if (sfname != NULL) | |
9357 forward_slash(sfname); | |
9358 forward_slash(fname); | |
9359 #endif | |
9360 | |
9361 #ifdef VMS | |
9362 /* remove version for correct match */ | |
9363 if (sfname != NULL) | |
9364 vms_remove_version(sfname); | |
9365 vms_remove_version(fname); | |
9366 #endif | |
9367 | |
9368 /* | |
9369 * Set the name to be used for <amatch>. | |
9370 */ | |
9371 autocmd_match = fname; | |
9372 | |
9373 | |
9374 /* Don't redraw while doing auto commands. */ | |
9375 ++RedrawingDisabled; | |
9376 save_sourcing_name = sourcing_name; | |
9377 sourcing_name = NULL; /* don't free this one */ | |
9378 save_sourcing_lnum = sourcing_lnum; | |
9379 sourcing_lnum = 0; /* no line number here */ | |
9380 | |
9381 #ifdef FEAT_EVAL | |
9382 save_current_SID = current_SID; | |
9383 | |
170 | 9384 # ifdef FEAT_PROFILE |
788 | 9385 if (do_profiling == PROF_YES) |
170 | 9386 prof_child_enter(&wait_time); /* doesn't count for the caller itself */ |
9387 # endif | |
9388 | |
7 | 9389 /* Don't use local function variables, if called from a function */ |
9390 save_funccalp = save_funccal(); | |
9391 #endif | |
9392 | |
9393 /* | |
9394 * When starting to execute autocommands, save the search patterns. | |
9395 */ | |
9396 if (!autocmd_busy) | |
9397 { | |
9398 save_search_patterns(); | |
9399 saveRedobuff(); | |
9400 did_filetype = keep_filetype; | |
9401 } | |
9402 | |
9403 /* | |
9404 * Note that we are applying autocmds. Some commands need to know. | |
9405 */ | |
9406 autocmd_busy = TRUE; | |
9407 filechangeshell_busy = (event == EVENT_FILECHANGEDSHELL); | |
9408 ++nesting; /* see matching decrement below */ | |
9409 | |
9410 /* Remember that FileType was triggered. Used for did_filetype(). */ | |
9411 if (event == EVENT_FILETYPE) | |
9412 did_filetype = TRUE; | |
9413 | |
9414 tail = gettail(fname); | |
9415 | |
9416 /* Find first autocommand that matches */ | |
9417 patcmd.curpat = first_autopat[(int)event]; | |
9418 patcmd.nextcmd = NULL; | |
9419 patcmd.group = group; | |
9420 patcmd.fname = fname; | |
9421 patcmd.sfname = sfname; | |
9422 patcmd.tail = tail; | |
9423 patcmd.event = event; | |
40 | 9424 patcmd.arg_bufnr = autocmd_bufnr; |
9425 patcmd.next = NULL; | |
7 | 9426 auto_next_pat(&patcmd, FALSE); |
9427 | |
9428 /* found one, start executing the autocommands */ | |
9429 if (patcmd.curpat != NULL) | |
9430 { | |
40 | 9431 /* add to active_apc_list */ |
9432 patcmd.next = active_apc_list; | |
9433 active_apc_list = &patcmd; | |
9434 | |
7 | 9435 #ifdef FEAT_EVAL |
9436 /* set v:cmdarg (only when there is a matching pattern) */ | |
9437 save_cmdbang = get_vim_var_nr(VV_CMDBANG); | |
9438 if (eap != NULL) | |
9439 { | |
9440 save_cmdarg = set_cmdarg(eap, NULL); | |
9441 set_vim_var_nr(VV_CMDBANG, (long)eap->forceit); | |
9442 } | |
9443 else | |
9444 save_cmdarg = NULL; /* avoid gcc warning */ | |
9445 #endif | |
9446 retval = TRUE; | |
9447 /* mark the last pattern, to avoid an endless loop when more patterns | |
9448 * are added when executing autocommands */ | |
9449 for (ap = patcmd.curpat; ap->next != NULL; ap = ap->next) | |
9450 ap->last = FALSE; | |
9451 ap->last = TRUE; | |
9452 check_lnums(TRUE); /* make sure cursor and topline are valid */ | |
9453 do_cmdline(NULL, getnextac, (void *)&patcmd, | |
9454 DOCMD_NOWAIT|DOCMD_VERBOSE|DOCMD_REPEAT); | |
9455 #ifdef FEAT_EVAL | |
9456 if (eap != NULL) | |
9457 { | |
9458 (void)set_cmdarg(NULL, save_cmdarg); | |
9459 set_vim_var_nr(VV_CMDBANG, save_cmdbang); | |
9460 } | |
9461 #endif | |
40 | 9462 /* delete from active_apc_list */ |
9463 if (active_apc_list == &patcmd) /* just in case */ | |
9464 active_apc_list = patcmd.next; | |
7 | 9465 } |
9466 | |
9467 --RedrawingDisabled; | |
9468 autocmd_busy = save_autocmd_busy; | |
9469 filechangeshell_busy = FALSE; | |
9470 autocmd_nested = save_autocmd_nested; | |
9471 vim_free(sourcing_name); | |
9472 sourcing_name = save_sourcing_name; | |
9473 sourcing_lnum = save_sourcing_lnum; | |
1471 | 9474 vim_free(autocmd_fname); |
7 | 9475 autocmd_fname = save_autocmd_fname; |
1723 | 9476 autocmd_fname_full = save_autocmd_fname_full; |
7 | 9477 autocmd_bufnr = save_autocmd_bufnr; |
9478 autocmd_match = save_autocmd_match; | |
9479 #ifdef FEAT_EVAL | |
9480 current_SID = save_current_SID; | |
9481 restore_funccal(save_funccalp); | |
170 | 9482 # ifdef FEAT_PROFILE |
788 | 9483 if (do_profiling == PROF_YES) |
170 | 9484 prof_child_exit(&wait_time); |
9485 # endif | |
7 | 9486 #endif |
9487 vim_free(fname); | |
9488 vim_free(sfname); | |
9489 --nesting; /* see matching increment above */ | |
9490 | |
9491 /* | |
9492 * When stopping to execute autocommands, restore the search patterns and | |
5958 | 9493 * the redo buffer. Free any buffers in the au_pending_free_buf list and |
9494 * free any windows in the au_pending_free_win list. | |
7 | 9495 */ |
9496 if (!autocmd_busy) | |
9497 { | |
9498 restore_search_patterns(); | |
9499 restoreRedobuff(); | |
9500 did_filetype = FALSE; | |
5816 | 9501 while (au_pending_free_buf != NULL) |
9502 { | |
9503 buf_T *b = au_pending_free_buf->b_next; | |
9504 vim_free(au_pending_free_buf); | |
9505 au_pending_free_buf = b; | |
9506 } | |
5958 | 9507 while (au_pending_free_win != NULL) |
9508 { | |
9509 win_T *w = au_pending_free_win->w_next; | |
9510 vim_free(au_pending_free_win); | |
9511 au_pending_free_win = w; | |
9512 } | |
7 | 9513 } |
9514 | |
9515 /* | |
9516 * Some events don't set or reset the Changed flag. | |
9517 * Check if still in the same buffer! | |
9518 */ | |
9519 if (curbuf == old_curbuf | |
9520 && (event == EVENT_BUFREADPOST | |
9521 || event == EVENT_BUFWRITEPOST | |
9522 || event == EVENT_FILEAPPENDPOST | |
9523 || event == EVENT_VIMLEAVE | |
9524 || event == EVENT_VIMLEAVEPRE)) | |
9525 { | |
9526 #ifdef FEAT_TITLE | |
9527 if (curbuf->b_changed != save_changed) | |
9528 need_maketitle = TRUE; | |
9529 #endif | |
9530 curbuf->b_changed = save_changed; | |
9531 } | |
9532 | |
9533 au_cleanup(); /* may really delete removed patterns/commands now */ | |
40 | 9534 |
9535 BYPASS_AU: | |
9536 /* When wiping out a buffer make sure all its buffer-local autocommands | |
9537 * are deleted. */ | |
9538 if (event == EVENT_BUFWIPEOUT && buf != NULL) | |
9539 aubuflocal_remove(buf); | |
9540 | |
7 | 9541 return retval; |
9542 } | |
9543 | |
1410 | 9544 # ifdef FEAT_EVAL |
9545 static char_u *old_termresponse = NULL; | |
9546 # endif | |
9547 | |
9548 /* | |
9549 * Block triggering autocommands until unblock_autocmd() is called. | |
9550 * Can be used recursively, so long as it's symmetric. | |
9551 */ | |
9552 void | |
9553 block_autocmds() | |
9554 { | |
9555 # ifdef FEAT_EVAL | |
9556 /* Remember the value of v:termresponse. */ | |
9557 if (autocmd_blocked == 0) | |
9558 old_termresponse = get_vim_var_str(VV_TERMRESPONSE); | |
9559 # endif | |
9560 ++autocmd_blocked; | |
9561 } | |
9562 | |
9563 void | |
9564 unblock_autocmds() | |
9565 { | |
9566 --autocmd_blocked; | |
9567 | |
9568 # ifdef FEAT_EVAL | |
9569 /* When v:termresponse was set while autocommands were blocked, trigger | |
9570 * the autocommands now. Esp. useful when executing a shell command | |
9571 * during startup (vimdiff). */ | |
9572 if (autocmd_blocked == 0 | |
9573 && get_vim_var_str(VV_TERMRESPONSE) != old_termresponse) | |
9574 apply_autocmds(EVENT_TERMRESPONSE, NULL, NULL, FALSE, curbuf); | |
9575 # endif | |
9576 } | |
9577 | |
5008
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|
9578 int |
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|
9579 is_autocmd_blocked() |
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|
9580 { |
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parents:
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diff
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|
9581 return autocmd_blocked != 0; |
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|
9582 } |
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|
9583 |
7 | 9584 /* |
9585 * Find next autocommand pattern that matches. | |
9586 */ | |
9587 static void | |
9588 auto_next_pat(apc, stop_at_last) | |
9589 AutoPatCmd *apc; | |
9590 int stop_at_last; /* stop when 'last' flag is set */ | |
9591 { | |
9592 AutoPat *ap; | |
9593 AutoCmd *cp; | |
9594 char_u *name; | |
9595 char *s; | |
9596 | |
9597 vim_free(sourcing_name); | |
9598 sourcing_name = NULL; | |
9599 | |
9600 for (ap = apc->curpat; ap != NULL && !got_int; ap = ap->next) | |
9601 { | |
9602 apc->curpat = NULL; | |
9603 | |
1723 | 9604 /* Only use a pattern when it has not been removed, has commands and |
40 | 9605 * the group matches. For buffer-local autocommands only check the |
9606 * buffer number. */ | |
7 | 9607 if (ap->pat != NULL && ap->cmds != NULL |
9608 && (apc->group == AUGROUP_ALL || apc->group == ap->group)) | |
9609 { | |
40 | 9610 /* execution-condition */ |
9611 if (ap->buflocal_nr == 0 | |
153 | 9612 ? (match_file_pat(NULL, ap->reg_prog, apc->fname, |
9613 apc->sfname, apc->tail, ap->allow_dirs)) | |
40 | 9614 : ap->buflocal_nr == apc->arg_bufnr) |
7 | 9615 { |
9616 name = event_nr2name(apc->event); | |
9617 s = _("%s Auto commands for \"%s\""); | |
9618 sourcing_name = alloc((unsigned)(STRLEN(s) | |
9619 + STRLEN(name) + ap->patlen + 1)); | |
9620 if (sourcing_name != NULL) | |
9621 { | |
9622 sprintf((char *)sourcing_name, s, | |
9623 (char *)name, (char *)ap->pat); | |
9624 if (p_verbose >= 8) | |
292 | 9625 { |
9626 verbose_enter(); | |
273 | 9627 smsg((char_u *)_("Executing %s"), sourcing_name); |
292 | 9628 verbose_leave(); |
9629 } | |
7 | 9630 } |
9631 | |
9632 apc->curpat = ap; | |
9633 apc->nextcmd = ap->cmds; | |
9634 /* mark last command */ | |
9635 for (cp = ap->cmds; cp->next != NULL; cp = cp->next) | |
9636 cp->last = FALSE; | |
9637 cp->last = TRUE; | |
9638 } | |
9639 line_breakcheck(); | |
9640 if (apc->curpat != NULL) /* found a match */ | |
9641 break; | |
9642 } | |
9643 if (stop_at_last && ap->last) | |
9644 break; | |
9645 } | |
9646 } | |
9647 | |
9648 /* | |
9649 * Get next autocommand command. | |
9650 * Called by do_cmdline() to get the next line for ":if". | |
9651 * Returns allocated string, or NULL for end of autocommands. | |
9652 */ | |
3997 | 9653 char_u * |
7 | 9654 getnextac(c, cookie, indent) |
1880 | 9655 int c UNUSED; |
7 | 9656 void *cookie; |
1880 | 9657 int indent UNUSED; |
7 | 9658 { |
9659 AutoPatCmd *acp = (AutoPatCmd *)cookie; | |
9660 char_u *retval; | |
9661 AutoCmd *ac; | |
9662 | |
9663 /* Can be called again after returning the last line. */ | |
9664 if (acp->curpat == NULL) | |
9665 return NULL; | |
9666 | |
9667 /* repeat until we find an autocommand to execute */ | |
9668 for (;;) | |
9669 { | |
9670 /* skip removed commands */ | |
9671 while (acp->nextcmd != NULL && acp->nextcmd->cmd == NULL) | |
9672 if (acp->nextcmd->last) | |
9673 acp->nextcmd = NULL; | |
9674 else | |
9675 acp->nextcmd = acp->nextcmd->next; | |
9676 | |
9677 if (acp->nextcmd != NULL) | |
9678 break; | |
9679 | |
9680 /* at end of commands, find next pattern that matches */ | |
9681 if (acp->curpat->last) | |
9682 acp->curpat = NULL; | |
9683 else | |
9684 acp->curpat = acp->curpat->next; | |
9685 if (acp->curpat != NULL) | |
9686 auto_next_pat(acp, TRUE); | |
9687 if (acp->curpat == NULL) | |
9688 return NULL; | |
9689 } | |
9690 | |
9691 ac = acp->nextcmd; | |
9692 | |
9693 if (p_verbose >= 9) | |
9694 { | |
292 | 9695 verbose_enter_scroll(); |
273 | 9696 smsg((char_u *)_("autocommand %s"), ac->cmd); |
7 | 9697 msg_puts((char_u *)"\n"); /* don't overwrite this either */ |
292 | 9698 verbose_leave_scroll(); |
7 | 9699 } |
9700 retval = vim_strsave(ac->cmd); | |
9701 autocmd_nested = ac->nested; | |
9702 #ifdef FEAT_EVAL | |
9703 current_SID = ac->scriptID; | |
9704 #endif | |
9705 if (ac->last) | |
9706 acp->nextcmd = NULL; | |
9707 else | |
9708 acp->nextcmd = ac->next; | |
9709 return retval; | |
9710 } | |
9711 | |
9712 /* | |
9713 * Return TRUE if there is a matching autocommand for "fname". | |
40 | 9714 * To account for buffer-local autocommands, function needs to know |
9715 * in which buffer the file will be opened. | |
7 | 9716 */ |
9717 int | |
40 | 9718 has_autocmd(event, sfname, buf) |
661 | 9719 event_T event; |
7 | 9720 char_u *sfname; |
40 | 9721 buf_T *buf; |
7 | 9722 { |
9723 AutoPat *ap; | |
9724 char_u *fname; | |
9725 char_u *tail = gettail(sfname); | |
9726 int retval = FALSE; | |
9727 | |
9728 fname = FullName_save(sfname, FALSE); | |
9729 if (fname == NULL) | |
9730 return FALSE; | |
9731 | |
9732 #ifdef BACKSLASH_IN_FILENAME | |
9733 /* | |
9734 * Replace all backslashes with forward slashes. This makes the | |
9735 * autocommand patterns portable between Unix and MS-DOS. | |
9736 */ | |
9737 sfname = vim_strsave(sfname); | |
9738 if (sfname != NULL) | |
9739 forward_slash(sfname); | |
9740 forward_slash(fname); | |
9741 #endif | |
9742 | |
9743 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next) | |
9744 if (ap->pat != NULL && ap->cmds != NULL | |
856 | 9745 && (ap->buflocal_nr == 0 |
153 | 9746 ? match_file_pat(NULL, ap->reg_prog, |
9747 fname, sfname, tail, ap->allow_dirs) | |
856 | 9748 : buf != NULL && ap->buflocal_nr == buf->b_fnum |
40 | 9749 )) |
7 | 9750 { |
9751 retval = TRUE; | |
9752 break; | |
9753 } | |
9754 | |
9755 vim_free(fname); | |
9756 #ifdef BACKSLASH_IN_FILENAME | |
9757 vim_free(sfname); | |
9758 #endif | |
9759 | |
9760 return retval; | |
9761 } | |
9762 | |
9763 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) | |
9764 /* | |
9765 * Function given to ExpandGeneric() to obtain the list of autocommand group | |
9766 * names. | |
9767 */ | |
9768 char_u * | |
9769 get_augroup_name(xp, idx) | |
1880 | 9770 expand_T *xp UNUSED; |
7 | 9771 int idx; |
9772 { | |
9773 if (idx == augroups.ga_len) /* add "END" add the end */ | |
9774 return (char_u *)"END"; | |
9775 if (idx >= augroups.ga_len) /* end of list */ | |
9776 return NULL; | |
9777 if (AUGROUP_NAME(idx) == NULL) /* skip deleted entries */ | |
9778 return (char_u *)""; | |
9779 return AUGROUP_NAME(idx); /* return a name */ | |
9780 } | |
9781 | |
9782 static int include_groups = FALSE; | |
9783 | |
9784 char_u * | |
9785 set_context_in_autocmd(xp, arg, doautocmd) | |
9786 expand_T *xp; | |
9787 char_u *arg; | |
1733 | 9788 int doautocmd; /* TRUE for :doauto*, FALSE for :autocmd */ |
7 | 9789 { |
9790 char_u *p; | |
9791 int group; | |
9792 | |
9793 /* check for a group name, skip it if present */ | |
9794 include_groups = FALSE; | |
9795 p = arg; | |
9796 group = au_get_grouparg(&arg); | |
9797 if (group == AUGROUP_ERROR) | |
9798 return NULL; | |
9799 /* If there only is a group name that's what we expand. */ | |
9800 if (*arg == NUL && group != AUGROUP_ALL && !vim_iswhite(arg[-1])) | |
9801 { | |
9802 arg = p; | |
9803 group = AUGROUP_ALL; | |
9804 } | |
9805 | |
9806 /* skip over event name */ | |
9807 for (p = arg; *p != NUL && !vim_iswhite(*p); ++p) | |
9808 if (*p == ',') | |
9809 arg = p + 1; | |
9810 if (*p == NUL) | |
9811 { | |
9812 if (group == AUGROUP_ALL) | |
9813 include_groups = TRUE; | |
9814 xp->xp_context = EXPAND_EVENTS; /* expand event name */ | |
9815 xp->xp_pattern = arg; | |
9816 return NULL; | |
9817 } | |
9818 | |
9819 /* skip over pattern */ | |
9820 arg = skipwhite(p); | |
9821 while (*arg && (!vim_iswhite(*arg) || arg[-1] == '\\')) | |
9822 arg++; | |
9823 if (*arg) | |
9824 return arg; /* expand (next) command */ | |
9825 | |
9826 if (doautocmd) | |
9827 xp->xp_context = EXPAND_FILES; /* expand file names */ | |
9828 else | |
9829 xp->xp_context = EXPAND_NOTHING; /* pattern is not expanded */ | |
9830 return NULL; | |
9831 } | |
9832 | |
9833 /* | |
9834 * Function given to ExpandGeneric() to obtain the list of event names. | |
9835 */ | |
9836 char_u * | |
9837 get_event_name(xp, idx) | |
1880 | 9838 expand_T *xp UNUSED; |
7 | 9839 int idx; |
9840 { | |
9841 if (idx < augroups.ga_len) /* First list group names, if wanted */ | |
9842 { | |
9843 if (!include_groups || AUGROUP_NAME(idx) == NULL) | |
9844 return (char_u *)""; /* skip deleted entries */ | |
9845 return AUGROUP_NAME(idx); /* return a name */ | |
9846 } | |
9847 return (char_u *)event_names[idx - augroups.ga_len].name; | |
9848 } | |
9849 | |
9850 #endif /* FEAT_CMDL_COMPL */ | |
9851 | |
9852 /* | |
615 | 9853 * Return TRUE if autocmd is supported. |
9854 */ | |
9855 int | |
9856 autocmd_supported(name) | |
9857 char_u *name; | |
9858 { | |
9859 char_u *p; | |
9860 | |
9861 return (event_name2nr(name, &p) != NUM_EVENTS); | |
9862 } | |
9863 | |
9864 /* | |
612 | 9865 * Return TRUE if an autocommand is defined for a group, event and |
9866 * pattern: The group can be omitted to accept any group. "event" and "pattern" | |
9867 * can be NULL to accept any event and pattern. "pattern" can be NULL to accept | |
9868 * any pattern. Buffer-local patterns <buffer> or <buffer=N> are accepted. | |
9869 * Used for: | |
9870 * exists("#Group") or | |
9871 * exists("#Group#Event") or | |
9872 * exists("#Group#Event#pat") or | |
9873 * exists("#Event") or | |
9874 * exists("#Event#pat") | |
7 | 9875 */ |
9876 int | |
612 | 9877 au_exists(arg) |
9878 char_u *arg; | |
7 | 9879 { |
612 | 9880 char_u *arg_save; |
9881 char_u *pattern = NULL; | |
7 | 9882 char_u *event_name; |
9883 char_u *p; | |
661 | 9884 event_T event; |
7 | 9885 AutoPat *ap; |
40 | 9886 buf_T *buflocal_buf = NULL; |
612 | 9887 int group; |
9888 int retval = FALSE; | |
9889 | |
615 | 9890 /* Make a copy so that we can change the '#' chars to a NUL. */ |
612 | 9891 arg_save = vim_strsave(arg); |
9892 if (arg_save == NULL) | |
9893 return FALSE; | |
615 | 9894 p = vim_strchr(arg_save, '#'); |
612 | 9895 if (p != NULL) |
9896 *p++ = NUL; | |
9897 | |
9898 /* First, look for an autocmd group name */ | |
9899 group = au_find_group(arg_save); | |
9900 if (group == AUGROUP_ERROR) | |
9901 { | |
9902 /* Didn't match a group name, assume the first argument is an event. */ | |
9903 group = AUGROUP_ALL; | |
9904 event_name = arg_save; | |
9905 } | |
9906 else | |
9907 { | |
9908 if (p == NULL) | |
9909 { | |
9910 /* "Group": group name is present and it's recognized */ | |
9911 retval = TRUE; | |
9912 goto theend; | |
9913 } | |
9914 | |
9915 /* Must be "Group#Event" or "Group#Event#pat". */ | |
9916 event_name = p; | |
9917 p = vim_strchr(event_name, '#'); | |
9918 if (p != NULL) | |
9919 *p++ = NUL; /* "Group#Event#pat" */ | |
9920 } | |
9921 | |
9922 pattern = p; /* "pattern" is NULL when there is no pattern */ | |
7 | 9923 |
9924 /* find the index (enum) for the event name */ | |
9925 event = event_name2nr(event_name, &p); | |
9926 | |
9927 /* return FALSE if the event name is not recognized */ | |
612 | 9928 if (event == NUM_EVENTS) |
9929 goto theend; | |
7 | 9930 |
9931 /* Find the first autocommand for this event. | |
9932 * If there isn't any, return FALSE; | |
9933 * If there is one and no pattern given, return TRUE; */ | |
9934 ap = first_autopat[(int)event]; | |
9935 if (ap == NULL) | |
612 | 9936 goto theend; |
7 | 9937 |
40 | 9938 /* if pattern is "<buffer>", special handling is needed which uses curbuf */ |
9939 /* for pattern "<buffer=N>, fnamecmp() will work fine */ | |
1962 | 9940 if (pattern != NULL && STRICMP(pattern, "<buffer>") == 0) |
40 | 9941 buflocal_buf = curbuf; |
9942 | |
7 | 9943 /* Check if there is an autocommand with the given pattern. */ |
9944 for ( ; ap != NULL; ap = ap->next) | |
40 | 9945 /* only use a pattern when it has not been removed and has commands. */ |
9946 /* For buffer-local autocommands, fnamecmp() works fine. */ | |
7 | 9947 if (ap->pat != NULL && ap->cmds != NULL |
612 | 9948 && (group == AUGROUP_ALL || ap->group == group) |
1962 | 9949 && (pattern == NULL |
9950 || (buflocal_buf == NULL | |
9951 ? fnamecmp(ap->pat, pattern) == 0 | |
9952 : ap->buflocal_nr == buflocal_buf->b_fnum))) | |
612 | 9953 { |
9954 retval = TRUE; | |
9955 break; | |
9956 } | |
9957 | |
9958 theend: | |
9959 vim_free(arg_save); | |
9960 return retval; | |
7 | 9961 } |
40 | 9962 |
934 | 9963 #else /* FEAT_AUTOCMD */ |
9964 | |
9965 /* | |
9966 * Prepare for executing commands for (hidden) buffer "buf". | |
9967 * This is the non-autocommand version, it simply saves "curbuf" and sets | |
9968 * "curbuf" and "curwin" to match "buf". | |
9969 */ | |
9970 void | |
9971 aucmd_prepbuf(aco, buf) | |
9972 aco_save_T *aco; /* structure to save values in */ | |
9973 buf_T *buf; /* new curbuf */ | |
9974 { | |
1906 | 9975 aco->save_curbuf = curbuf; |
9976 --curbuf->b_nwindows; | |
934 | 9977 curbuf = buf; |
9978 curwin->w_buffer = buf; | |
1906 | 9979 ++curbuf->b_nwindows; |
934 | 9980 } |
9981 | |
9982 /* | |
9983 * Restore after executing commands for a (hidden) buffer. | |
9984 * This is the non-autocommand version. | |
9985 */ | |
9986 void | |
9987 aucmd_restbuf(aco) | |
9988 aco_save_T *aco; /* structure holding saved values */ | |
9989 { | |
1906 | 9990 --curbuf->b_nwindows; |
9991 curbuf = aco->save_curbuf; | |
934 | 9992 curwin->w_buffer = curbuf; |
1906 | 9993 ++curbuf->b_nwindows; |
934 | 9994 } |
9995 | |
7 | 9996 #endif /* FEAT_AUTOCMD */ |
9997 | |
934 | 9998 |
7 | 9999 #if defined(FEAT_AUTOCMD) || defined(FEAT_WILDIGN) || defined(PROTO) |
10000 /* | |
153 | 10001 * Try matching a filename with a "pattern" ("prog" is NULL), or use the |
10002 * precompiled regprog "prog" ("pattern" is NULL). That avoids calling | |
10003 * vim_regcomp() often. | |
7 | 10004 * Used for autocommands and 'wildignore'. |
10005 * Returns TRUE if there is a match, FALSE otherwise. | |
10006 */ | |
10007 int | |
153 | 10008 match_file_pat(pattern, prog, fname, sfname, tail, allow_dirs) |
7 | 10009 char_u *pattern; /* pattern to match with */ |
153 | 10010 regprog_T *prog; /* pre-compiled regprog or NULL */ |
7 | 10011 char_u *fname; /* full path of file name */ |
10012 char_u *sfname; /* short file name or NULL */ | |
10013 char_u *tail; /* tail of path */ | |
10014 int allow_dirs; /* allow matching with dir */ | |
10015 { | |
10016 regmatch_T regmatch; | |
10017 int result = FALSE; | |
10018 #ifdef FEAT_OSFILETYPE | |
10019 int no_pattern = FALSE; /* TRUE if check is filetype only */ | |
10020 char_u *type_start; | |
10021 char_u c; | |
10022 int match = FALSE; | |
10023 #endif | |
10024 | |
4242 | 10025 regmatch.rm_ic = p_fic; /* ignore case if 'fileignorecase' is set */ |
7 | 10026 #ifdef FEAT_OSFILETYPE |
10027 if (*pattern == '<') | |
10028 { | |
10029 /* There is a filetype condition specified with this pattern. | |
10030 * Check the filetype matches first. If not, don't bother with the | |
10031 * pattern (set regprog to NULL). | |
10032 * Always use magic for the regexp. | |
10033 */ | |
10034 | |
10035 for (type_start = pattern + 1; (c = *pattern); pattern++) | |
10036 { | |
10037 if ((c == ';' || c == '>') && match == FALSE) | |
10038 { | |
10039 *pattern = NUL; /* Terminate the string */ | |
2976 | 10040 /* TODO: match with 'filetype' of buffer that "fname" comes |
10041 * from. */ | |
7 | 10042 match = mch_check_filetype(fname, type_start); |
10043 *pattern = c; /* Restore the terminator */ | |
10044 type_start = pattern + 1; | |
10045 } | |
10046 if (c == '>') | |
10047 break; | |
10048 } | |
10049 | |
10050 /* (c should never be NUL, but check anyway) */ | |
10051 if (match == FALSE || c == NUL) | |
10052 regmatch.regprog = NULL; /* Doesn't match - don't check pat. */ | |
10053 else if (*pattern == NUL) | |
10054 { | |
10055 regmatch.regprog = NULL; /* Vim will try to free regprog later */ | |
10056 no_pattern = TRUE; /* Always matches - don't check pat. */ | |
10057 } | |
10058 else | |
10059 regmatch.regprog = vim_regcomp(pattern + 1, RE_MAGIC); | |
10060 } | |
10061 else | |
10062 #endif | |
153 | 10063 { |
10064 if (prog != NULL) | |
10065 regmatch.regprog = prog; | |
10066 else | |
10067 regmatch.regprog = vim_regcomp(pattern, RE_MAGIC); | |
10068 } | |
7 | 10069 |
10070 /* | |
10071 * Try for a match with the pattern with: | |
10072 * 1. the full file name, when the pattern has a '/'. | |
10073 * 2. the short file name, when the pattern has a '/'. | |
10074 * 3. the tail of the file name, when the pattern has no '/'. | |
10075 */ | |
10076 if ( | |
10077 #ifdef FEAT_OSFILETYPE | |
10078 /* If the check is for a filetype only and we don't care | |
10079 * about the path then skip all the regexp stuff. | |
10080 */ | |
10081 no_pattern || | |
10082 #endif | |
10083 (regmatch.regprog != NULL | |
10084 && ((allow_dirs | |
10085 && (vim_regexec(®match, fname, (colnr_T)0) | |
10086 || (sfname != NULL | |
10087 && vim_regexec(®match, sfname, (colnr_T)0)))) | |
10088 || (!allow_dirs && vim_regexec(®match, tail, (colnr_T)0))))) | |
10089 result = TRUE; | |
10090 | |
153 | 10091 if (prog == NULL) |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4354
diff
changeset
|
10092 vim_regfree(regmatch.regprog); |
7 | 10093 return result; |
10094 } | |
10095 #endif | |
10096 | |
10097 #if defined(FEAT_WILDIGN) || defined(PROTO) | |
10098 /* | |
10099 * Return TRUE if a file matches with a pattern in "list". | |
10100 * "list" is a comma-separated list of patterns, like 'wildignore'. | |
10101 * "sfname" is the short file name or NULL, "ffname" the long file name. | |
10102 */ | |
10103 int | |
10104 match_file_list(list, sfname, ffname) | |
10105 char_u *list; | |
10106 char_u *sfname; | |
10107 char_u *ffname; | |
10108 { | |
10109 char_u buf[100]; | |
10110 char_u *tail; | |
10111 char_u *regpat; | |
10112 char allow_dirs; | |
10113 int match; | |
10114 char_u *p; | |
10115 | |
10116 tail = gettail(sfname); | |
10117 | |
10118 /* try all patterns in 'wildignore' */ | |
10119 p = list; | |
10120 while (*p) | |
10121 { | |
10122 copy_option_part(&p, buf, 100, ","); | |
10123 regpat = file_pat_to_reg_pat(buf, NULL, &allow_dirs, FALSE); | |
10124 if (regpat == NULL) | |
10125 break; | |
153 | 10126 match = match_file_pat(regpat, NULL, ffname, sfname, |
10127 tail, (int)allow_dirs); | |
7 | 10128 vim_free(regpat); |
10129 if (match) | |
10130 return TRUE; | |
10131 } | |
10132 return FALSE; | |
10133 } | |
10134 #endif | |
10135 | |
10136 /* | |
10137 * Convert the given pattern "pat" which has shell style wildcards in it, into | |
10138 * a regular expression, and return the result in allocated memory. If there | |
10139 * is a directory path separator to be matched, then TRUE is put in | |
10140 * allow_dirs, otherwise FALSE is put there -- webb. | |
10141 * Handle backslashes before special characters, like "\*" and "\ ". | |
10142 * | |
10143 * If FEAT_OSFILETYPE defined then pass initial <type> through unchanged. Eg: | |
10144 * '<html>myfile' becomes '<html>^myfile$' -- leonard. | |
10145 * | |
10146 * Returns NULL when out of memory. | |
10147 */ | |
10148 char_u * | |
10149 file_pat_to_reg_pat(pat, pat_end, allow_dirs, no_bslash) | |
10150 char_u *pat; | |
10151 char_u *pat_end; /* first char after pattern or NULL */ | |
10152 char *allow_dirs; /* Result passed back out in here */ | |
1877 | 10153 int no_bslash UNUSED; /* Don't use a backward slash as pathsep */ |
7 | 10154 { |
10155 int size; | |
10156 char_u *endp; | |
10157 char_u *reg_pat; | |
10158 char_u *p; | |
10159 int i; | |
10160 int nested = 0; | |
10161 int add_dollar = TRUE; | |
10162 #ifdef FEAT_OSFILETYPE | |
10163 int check_length = 0; | |
10164 #endif | |
10165 | |
10166 if (allow_dirs != NULL) | |
10167 *allow_dirs = FALSE; | |
10168 if (pat_end == NULL) | |
10169 pat_end = pat + STRLEN(pat); | |
10170 | |
10171 #ifdef FEAT_OSFILETYPE | |
10172 /* Find out how much of the string is the filetype check */ | |
10173 if (*pat == '<') | |
10174 { | |
10175 /* Count chars until the next '>' */ | |
10176 for (p = pat + 1; p < pat_end && *p != '>'; p++) | |
10177 ; | |
10178 if (p < pat_end) | |
10179 { | |
10180 /* Pattern is of the form <.*>.* */ | |
10181 check_length = p - pat + 1; | |
10182 if (p + 1 >= pat_end) | |
10183 { | |
10184 /* The 'pattern' is a filetype check ONLY */ | |
10185 reg_pat = (char_u *)alloc(check_length + 1); | |
10186 if (reg_pat != NULL) | |
10187 { | |
10188 mch_memmove(reg_pat, pat, (size_t)check_length); | |
10189 reg_pat[check_length] = NUL; | |
10190 } | |
10191 return reg_pat; | |
10192 } | |
10193 } | |
10194 /* else: there was no closing '>' - assume it was a normal pattern */ | |
10195 | |
10196 } | |
10197 pat += check_length; | |
10198 size = 2 + check_length; | |
10199 #else | |
10200 size = 2; /* '^' at start, '$' at end */ | |
10201 #endif | |
10202 | |
10203 for (p = pat; p < pat_end; p++) | |
10204 { | |
10205 switch (*p) | |
10206 { | |
10207 case '*': | |
10208 case '.': | |
10209 case ',': | |
10210 case '{': | |
10211 case '}': | |
10212 case '~': | |
10213 size += 2; /* extra backslash */ | |
10214 break; | |
10215 #ifdef BACKSLASH_IN_FILENAME | |
10216 case '\\': | |
10217 case '/': | |
10218 size += 4; /* could become "[\/]" */ | |
10219 break; | |
10220 #endif | |
10221 default: | |
10222 size++; | |
10223 # ifdef FEAT_MBYTE | |
474 | 10224 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
7 | 10225 { |
10226 ++p; | |
10227 ++size; | |
10228 } | |
10229 # endif | |
10230 break; | |
10231 } | |
10232 } | |
10233 reg_pat = alloc(size + 1); | |
10234 if (reg_pat == NULL) | |
10235 return NULL; | |
10236 | |
10237 #ifdef FEAT_OSFILETYPE | |
10238 /* Copy the type check in to the start. */ | |
10239 if (check_length) | |
10240 mch_memmove(reg_pat, pat - check_length, (size_t)check_length); | |
10241 i = check_length; | |
10242 #else | |
10243 i = 0; | |
10244 #endif | |
10245 | |
10246 if (pat[0] == '*') | |
10247 while (pat[0] == '*' && pat < pat_end - 1) | |
10248 pat++; | |
10249 else | |
10250 reg_pat[i++] = '^'; | |
10251 endp = pat_end - 1; | |
10252 if (*endp == '*') | |
10253 { | |
10254 while (endp - pat > 0 && *endp == '*') | |
10255 endp--; | |
10256 add_dollar = FALSE; | |
10257 } | |
10258 for (p = pat; *p && nested >= 0 && p <= endp; p++) | |
10259 { | |
10260 switch (*p) | |
10261 { | |
10262 case '*': | |
10263 reg_pat[i++] = '.'; | |
10264 reg_pat[i++] = '*'; | |
444 | 10265 while (p[1] == '*') /* "**" matches like "*" */ |
10266 ++p; | |
7 | 10267 break; |
10268 case '.': | |
10269 case '~': | |
10270 reg_pat[i++] = '\\'; | |
10271 reg_pat[i++] = *p; | |
10272 break; | |
10273 case '?': | |
10274 reg_pat[i++] = '.'; | |
10275 break; | |
10276 case '\\': | |
10277 if (p[1] == NUL) | |
10278 break; | |
10279 #ifdef BACKSLASH_IN_FILENAME | |
10280 if (!no_bslash) | |
10281 { | |
10282 /* translate: | |
10283 * "\x" to "\\x" e.g., "dir\file" | |
10284 * "\*" to "\\.*" e.g., "dir\*.c" | |
10285 * "\?" to "\\." e.g., "dir\??.c" | |
10286 * "\+" to "\+" e.g., "fileX\+.c" | |
10287 */ | |
10288 if ((vim_isfilec(p[1]) || p[1] == '*' || p[1] == '?') | |
10289 && p[1] != '+') | |
10290 { | |
10291 reg_pat[i++] = '['; | |
10292 reg_pat[i++] = '\\'; | |
10293 reg_pat[i++] = '/'; | |
10294 reg_pat[i++] = ']'; | |
10295 if (allow_dirs != NULL) | |
10296 *allow_dirs = TRUE; | |
10297 break; | |
10298 } | |
10299 } | |
10300 #endif | |
2243
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10301 /* Undo escaping from ExpandEscape(): |
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10302 * foo\?bar -> foo?bar |
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10303 * foo\%bar -> foo%bar |
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10304 * foo\,bar -> foo,bar |
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10305 * foo\ bar -> foo bar |
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10306 * Don't unescape \, * and others that are also special in a |
5104
93cccad6a26b
updated for version 7.3.1295
Bram Moolenaar <bram@vim.org>
parents:
5008
diff
changeset
|
10307 * regexp. |
93cccad6a26b
updated for version 7.3.1295
Bram Moolenaar <bram@vim.org>
parents:
5008
diff
changeset
|
10308 * An escaped { must be unescaped since we use magic not |
5259
6b7ab6a4f31a
updated for version 7.4b.006
Bram Moolenaar <bram@vim.org>
parents:
5231
diff
changeset
|
10309 * verymagic. Use "\\\{n,m\}"" to get "\{n,m}". |
5104
93cccad6a26b
updated for version 7.3.1295
Bram Moolenaar <bram@vim.org>
parents:
5008
diff
changeset
|
10310 */ |
7 | 10311 if (*++p == '?' |
10312 #ifdef BACKSLASH_IN_FILENAME | |
10313 && no_bslash | |
10314 #endif | |
10315 ) | |
10316 reg_pat[i++] = '?'; | |
10317 else | |
5104
93cccad6a26b
updated for version 7.3.1295
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diff
changeset
|
10318 if (*p == ',' || *p == '%' || *p == '#' |
5259
6b7ab6a4f31a
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Bram Moolenaar <bram@vim.org>
parents:
5231
diff
changeset
|
10319 || *p == ' ' || *p == '{' || *p == '}') |
2243
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10320 reg_pat[i++] = *p; |
5259
6b7ab6a4f31a
updated for version 7.4b.006
Bram Moolenaar <bram@vim.org>
parents:
5231
diff
changeset
|
10321 else if (*p == '\\' && p[1] == '\\' && p[2] == '{') |
6b7ab6a4f31a
updated for version 7.4b.006
Bram Moolenaar <bram@vim.org>
parents:
5231
diff
changeset
|
10322 { |
6b7ab6a4f31a
updated for version 7.4b.006
Bram Moolenaar <bram@vim.org>
parents:
5231
diff
changeset
|
10323 reg_pat[i++] = '\\'; |
6b7ab6a4f31a
updated for version 7.4b.006
Bram Moolenaar <bram@vim.org>
parents:
5231
diff
changeset
|
10324 reg_pat[i++] = '{'; |
6b7ab6a4f31a
updated for version 7.4b.006
Bram Moolenaar <bram@vim.org>
parents:
5231
diff
changeset
|
10325 p += 2; |
6b7ab6a4f31a
updated for version 7.4b.006
Bram Moolenaar <bram@vim.org>
parents:
5231
diff
changeset
|
10326 } |
7 | 10327 else |
10328 { | |
10329 if (allow_dirs != NULL && vim_ispathsep(*p) | |
10330 #ifdef BACKSLASH_IN_FILENAME | |
10331 && (!no_bslash || *p != '\\') | |
10332 #endif | |
10333 ) | |
10334 *allow_dirs = TRUE; | |
10335 reg_pat[i++] = '\\'; | |
10336 reg_pat[i++] = *p; | |
10337 } | |
10338 break; | |
10339 #ifdef BACKSLASH_IN_FILENAME | |
10340 case '/': | |
10341 reg_pat[i++] = '['; | |
10342 reg_pat[i++] = '\\'; | |
10343 reg_pat[i++] = '/'; | |
10344 reg_pat[i++] = ']'; | |
10345 if (allow_dirs != NULL) | |
10346 *allow_dirs = TRUE; | |
10347 break; | |
10348 #endif | |
10349 case '{': | |
10350 reg_pat[i++] = '\\'; | |
10351 reg_pat[i++] = '('; | |
10352 nested++; | |
10353 break; | |
10354 case '}': | |
10355 reg_pat[i++] = '\\'; | |
10356 reg_pat[i++] = ')'; | |
10357 --nested; | |
10358 break; | |
10359 case ',': | |
10360 if (nested) | |
10361 { | |
10362 reg_pat[i++] = '\\'; | |
10363 reg_pat[i++] = '|'; | |
10364 } | |
10365 else | |
10366 reg_pat[i++] = ','; | |
10367 break; | |
10368 default: | |
10369 # ifdef FEAT_MBYTE | |
474 | 10370 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
7 | 10371 reg_pat[i++] = *p++; |
10372 else | |
10373 # endif | |
10374 if (allow_dirs != NULL && vim_ispathsep(*p)) | |
10375 *allow_dirs = TRUE; | |
10376 reg_pat[i++] = *p; | |
10377 break; | |
10378 } | |
10379 } | |
10380 if (add_dollar) | |
10381 reg_pat[i++] = '$'; | |
10382 reg_pat[i] = NUL; | |
10383 if (nested != 0) | |
10384 { | |
10385 if (nested < 0) | |
10386 EMSG(_("E219: Missing {.")); | |
10387 else | |
10388 EMSG(_("E220: Missing }.")); | |
10389 vim_free(reg_pat); | |
10390 reg_pat = NULL; | |
10391 } | |
10392 return reg_pat; | |
10393 } | |
2664 | 10394 |
10395 #if defined(EINTR) || defined(PROTO) | |
10396 /* | |
10397 * Version of read() that retries when interrupted by EINTR (possibly | |
10398 * by a SIGWINCH). | |
10399 */ | |
10400 long | |
10401 read_eintr(fd, buf, bufsize) | |
10402 int fd; | |
10403 void *buf; | |
10404 size_t bufsize; | |
10405 { | |
10406 long ret; | |
10407 | |
10408 for (;;) | |
10409 { | |
10410 ret = vim_read(fd, buf, bufsize); | |
10411 if (ret >= 0 || errno != EINTR) | |
10412 break; | |
10413 } | |
10414 return ret; | |
10415 } | |
10416 | |
10417 /* | |
10418 * Version of write() that retries when interrupted by EINTR (possibly | |
10419 * by a SIGWINCH). | |
10420 */ | |
10421 long | |
10422 write_eintr(fd, buf, bufsize) | |
10423 int fd; | |
10424 void *buf; | |
10425 size_t bufsize; | |
10426 { | |
10427 long ret = 0; | |
10428 long wlen; | |
10429 | |
10430 /* Repeat the write() so long it didn't fail, other than being interrupted | |
10431 * by a signal. */ | |
10432 while (ret < (long)bufsize) | |
10433 { | |
2666 | 10434 wlen = vim_write(fd, (char *)buf + ret, bufsize - ret); |
2664 | 10435 if (wlen < 0) |
10436 { | |
10437 if (errno != EINTR) | |
10438 break; | |
10439 } | |
10440 else | |
10441 ret += wlen; | |
10442 } | |
10443 return ret; | |
10444 } | |
10445 #endif |