Mercurial > vim
annotate src/fileio.c @ 2394:a3aca345aafa vim73
Add the 'undoreload' option to be able to undo a file reload.
author | Bram Moolenaar <bram@vim.org> |
---|---|
date | Sat, 24 Jul 2010 20:27:03 +0200 |
parents | d8e4b27cef80 |
children | 8f6106dd3d12 |
rev | line source |
---|---|
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 #if defined(MSDOS) || defined(WIN16) || defined(WIN32) || defined(_WIN64) | |
714 | 15 # include "vimio.h" /* for lseek(), must be before vim.h */ |
7 | 16 #endif |
17 | |
18 #if defined __EMX__ | |
714 | 19 # include "vimio.h" /* for mktemp(), CJW 1997-12-03 */ |
7 | 20 #endif |
21 | |
22 #include "vim.h" | |
23 | |
2014 | 24 #if defined(__TANDEM) || defined(__MINT__) |
7 | 25 # include <limits.h> /* for SSIZE_MAX */ |
26 #endif | |
27 | |
28 #if defined(HAVE_UTIME) && defined(HAVE_UTIME_H) | |
29 # include <utime.h> /* for struct utimbuf */ | |
30 #endif | |
31 | |
32 #define BUFSIZE 8192 /* size of normal write buffer */ | |
33 #define SMBUFSIZE 256 /* size of emergency write buffer */ | |
34 | |
35 #ifdef FEAT_CRYPT | |
2204
c493d6bfde09
A few more changes for encryption. Add test that encrypted file can be read.
Bram Moolenaar <bram@vim.org>
parents:
2180
diff
changeset
|
36 /* crypt_magic[0] is pkzip crypt, crypt_magic[1] is sha2+blowfish */ |
c493d6bfde09
A few more changes for encryption. Add test that encrypted file can be read.
Bram Moolenaar <bram@vim.org>
parents:
2180
diff
changeset
|
37 static char *crypt_magic[] = {"VimCrypt~01!", "VimCrypt~02!"}; |
c493d6bfde09
A few more changes for encryption. Add test that encrypted file can be read.
Bram Moolenaar <bram@vim.org>
parents:
2180
diff
changeset
|
38 static char crypt_magic_head[] = "VimCrypt~"; |
7 | 39 # define CRYPT_MAGIC_LEN 12 /* must be multiple of 4! */ |
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
40 |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
41 /* For blowfish, after the magic header, we store 8 bytes of salt and then 8 |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
42 * bytes of seed (initialisation vector). */ |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
43 static int crypt_salt_len[] = {0, 8}; |
2204
c493d6bfde09
A few more changes for encryption. Add test that encrypted file can be read.
Bram Moolenaar <bram@vim.org>
parents:
2180
diff
changeset
|
44 static int crypt_seed_len[] = {0, 8}; |
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
45 #define CRYPT_SALT_LEN_MAX 8 |
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
46 #define CRYPT_SEED_LEN_MAX 8 |
7 | 47 #endif |
48 | |
49 /* Is there any system that doesn't have access()? */ | |
574 | 50 #define USE_MCH_ACCESS |
7 | 51 |
1313 | 52 #if defined(sun) && defined(S_ISCHR) |
53 # define OPEN_CHR_FILES | |
54 static int is_dev_fd_file(char_u *fname); | |
55 #endif | |
7 | 56 #ifdef FEAT_MBYTE |
57 static char_u *next_fenc __ARGS((char_u **pp)); | |
58 # ifdef FEAT_EVAL | |
59 static char_u *readfile_charconvert __ARGS((char_u *fname, char_u *fenc, int *fdp)); | |
60 # endif | |
61 #endif | |
62 #ifdef FEAT_VIMINFO | |
63 static void check_marks_read __ARGS((void)); | |
64 #endif | |
65 #ifdef FEAT_CRYPT | |
2360
d8e4b27cef80
Change 'cryptmethod' from a number to a string option. Make it global-local.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
66 static int crypt_method_from_magic __ARGS((char *ptr, int len)); |
2267 | 67 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 | 68 #endif |
69 #ifdef UNIX | |
70 static void set_file_time __ARGS((char_u *fname, time_t atime, time_t mtime)); | |
71 #endif | |
633 | 72 static int set_rw_fname __ARGS((char_u *fname, char_u *sfname)); |
7 | 73 static int msg_add_fileformat __ARGS((int eol_type)); |
74 static void msg_add_eol __ARGS((void)); | |
75 static int check_mtime __ARGS((buf_T *buf, struct stat *s)); | |
76 static int time_differs __ARGS((long t1, long t2)); | |
77 #ifdef FEAT_AUTOCMD | |
661 | 78 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 | 79 static int au_find_group __ARGS((char_u *name)); |
80 | |
81 # define AUGROUP_DEFAULT -1 /* default autocmd group */ | |
1834 | 82 # define AUGROUP_ERROR -2 /* erroneous autocmd group */ |
676 | 83 # define AUGROUP_ALL -3 /* all autocmd groups */ |
7 | 84 #endif |
85 | |
86 #if defined(FEAT_CRYPT) || defined(FEAT_MBYTE) | |
87 # define HAS_BW_FLAGS | |
88 # define FIO_LATIN1 0x01 /* convert Latin1 */ | |
89 # define FIO_UTF8 0x02 /* convert UTF-8 */ | |
90 # define FIO_UCS2 0x04 /* convert UCS-2 */ | |
91 # define FIO_UCS4 0x08 /* convert UCS-4 */ | |
92 # define FIO_UTF16 0x10 /* convert UTF-16 */ | |
93 # ifdef WIN3264 | |
94 # define FIO_CODEPAGE 0x20 /* convert MS-Windows codepage */ | |
95 # define FIO_PUT_CP(x) (((x) & 0xffff) << 16) /* put codepage in top word */ | |
96 # define FIO_GET_CP(x) (((x)>>16) & 0xffff) /* get codepage from top word */ | |
97 # endif | |
98 # ifdef MACOS_X | |
99 # define FIO_MACROMAN 0x20 /* convert MacRoman */ | |
100 # endif | |
101 # define FIO_ENDIAN_L 0x80 /* little endian */ | |
102 # define FIO_ENCRYPTED 0x1000 /* encrypt written bytes */ | |
103 # define FIO_NOCONVERT 0x2000 /* skip encoding conversion */ | |
104 # define FIO_UCSBOM 0x4000 /* check for BOM at start of file */ | |
105 # define FIO_ALL -1 /* allow all formats */ | |
106 #endif | |
107 | |
108 /* When converting, a read() or write() may leave some bytes to be converted | |
109 * for the next call. The value is guessed... */ | |
110 #define CONV_RESTLEN 30 | |
111 | |
112 /* We have to guess how much a sequence of bytes may expand when converting | |
113 * with iconv() to be able to allocate a buffer. */ | |
114 #define ICONV_MULT 8 | |
115 | |
116 /* | |
117 * Structure to pass arguments from buf_write() to buf_write_bytes(). | |
118 */ | |
119 struct bw_info | |
120 { | |
121 int bw_fd; /* file descriptor */ | |
122 char_u *bw_buf; /* buffer with data to be written */ | |
1411 | 123 int bw_len; /* length of data */ |
7 | 124 #ifdef HAS_BW_FLAGS |
125 int bw_flags; /* FIO_ flags */ | |
126 #endif | |
127 #ifdef FEAT_MBYTE | |
128 char_u bw_rest[CONV_RESTLEN]; /* not converted bytes */ | |
129 int bw_restlen; /* nr of bytes in bw_rest[] */ | |
130 int bw_first; /* first write call */ | |
131 char_u *bw_conv_buf; /* buffer for writing converted chars */ | |
132 int bw_conv_buflen; /* size of bw_conv_buf */ | |
133 int bw_conv_error; /* set for conversion error */ | |
1947 | 134 linenr_T bw_conv_error_lnum; /* first line with error or zero */ |
135 linenr_T bw_start_lnum; /* line number at start of buffer */ | |
7 | 136 # ifdef USE_ICONV |
137 iconv_t bw_iconv_fd; /* descriptor for iconv() or -1 */ | |
138 # endif | |
139 #endif | |
140 }; | |
141 | |
142 static int buf_write_bytes __ARGS((struct bw_info *ip)); | |
143 | |
144 #ifdef FEAT_MBYTE | |
595 | 145 static linenr_T readfile_linenr __ARGS((linenr_T linecnt, char_u *p, char_u *endp)); |
7 | 146 static int ucs2bytes __ARGS((unsigned c, char_u **pp, int flags)); |
1948 | 147 static int need_conversion __ARGS((char_u *fenc)); |
7 | 148 static int get_fio_flags __ARGS((char_u *ptr)); |
149 static char_u *check_for_bom __ARGS((char_u *p, long size, int *lenp, int flags)); | |
150 static int make_bom __ARGS((char_u *buf, char_u *name)); | |
151 # ifdef WIN3264 | |
152 static int get_win_fio_flags __ARGS((char_u *ptr)); | |
153 # endif | |
154 # ifdef MACOS_X | |
155 static int get_mac_fio_flags __ARGS((char_u *ptr)); | |
156 # endif | |
157 #endif | |
158 static int move_lines __ARGS((buf_T *frombuf, buf_T *tobuf)); | |
2006 | 159 #ifdef TEMPDIRNAMES |
1997 | 160 static void vim_settempdir __ARGS((char_u *tempdir)); |
2006 | 161 #endif |
1834 | 162 #ifdef FEAT_AUTOCMD |
163 static char *e_auchangedbuf = N_("E812: Autocommands changed buffer or buffer name"); | |
164 #endif | |
595 | 165 |
7 | 166 void |
167 filemess(buf, name, s, attr) | |
168 buf_T *buf; | |
169 char_u *name; | |
170 char_u *s; | |
171 int attr; | |
172 { | |
173 int msg_scroll_save; | |
174 | |
175 if (msg_silent != 0) | |
176 return; | |
177 msg_add_fname(buf, name); /* put file name in IObuff with quotes */ | |
178 /* If it's extremely long, truncate it. */ | |
179 if (STRLEN(IObuff) > IOSIZE - 80) | |
180 IObuff[IOSIZE - 80] = NUL; | |
181 STRCAT(IObuff, s); | |
182 /* | |
183 * For the first message may have to start a new line. | |
184 * For further ones overwrite the previous one, reset msg_scroll before | |
185 * calling filemess(). | |
186 */ | |
187 msg_scroll_save = msg_scroll; | |
188 if (shortmess(SHM_OVERALL) && !exiting && p_verbose == 0) | |
189 msg_scroll = FALSE; | |
190 if (!msg_scroll) /* wait a bit when overwriting an error msg */ | |
191 check_for_delay(FALSE); | |
192 msg_start(); | |
193 msg_scroll = msg_scroll_save; | |
194 msg_scrolled_ign = TRUE; | |
195 /* may truncate the message to avoid a hit-return prompt */ | |
196 msg_outtrans_attr(msg_may_trunc(FALSE, IObuff), attr); | |
197 msg_clr_eos(); | |
198 out_flush(); | |
199 msg_scrolled_ign = FALSE; | |
200 } | |
201 | |
202 /* | |
203 * Read lines from file "fname" into the buffer after line "from". | |
204 * | |
205 * 1. We allocate blocks with lalloc, as big as possible. | |
206 * 2. Each block is filled with characters from the file with a single read(). | |
207 * 3. The lines are inserted in the buffer with ml_append(). | |
208 * | |
209 * (caller must check that fname != NULL, unless READ_STDIN is used) | |
210 * | |
211 * "lines_to_skip" is the number of lines that must be skipped | |
212 * "lines_to_read" is the number of lines that are appended | |
213 * When not recovering lines_to_skip is 0 and lines_to_read MAXLNUM. | |
214 * | |
215 * flags: | |
216 * READ_NEW starting to edit a new buffer | |
217 * READ_FILTER reading filter output | |
218 * READ_STDIN read from stdin instead of a file | |
219 * READ_BUFFER read from curbuf instead of a file (converting after reading | |
220 * stdin) | |
221 * READ_DUMMY read into a dummy buffer (to check if file contents changed) | |
2394
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
222 * READ_KEEP_UNDO don't clear undo info or read it from a file |
7 | 223 * |
224 * return FAIL for failure, OK otherwise | |
225 */ | |
226 int | |
227 readfile(fname, sfname, from, lines_to_skip, lines_to_read, eap, flags) | |
228 char_u *fname; | |
229 char_u *sfname; | |
230 linenr_T from; | |
231 linenr_T lines_to_skip; | |
232 linenr_T lines_to_read; | |
233 exarg_T *eap; /* can be NULL! */ | |
234 int flags; | |
235 { | |
236 int fd = 0; | |
237 int newfile = (flags & READ_NEW); | |
238 int check_readonly; | |
239 int filtering = (flags & READ_FILTER); | |
240 int read_stdin = (flags & READ_STDIN); | |
241 int read_buffer = (flags & READ_BUFFER); | |
1486 | 242 int set_options = newfile || read_buffer |
243 || (eap != NULL && eap->read_edit); | |
7 | 244 linenr_T read_buf_lnum = 1; /* next line to read from curbuf */ |
245 colnr_T read_buf_col = 0; /* next char to read from this line */ | |
246 char_u c; | |
247 linenr_T lnum = from; | |
248 char_u *ptr = NULL; /* pointer into read buffer */ | |
249 char_u *buffer = NULL; /* read buffer */ | |
250 char_u *new_buffer = NULL; /* init to shut up gcc */ | |
251 char_u *line_start = NULL; /* init to shut up gcc */ | |
252 int wasempty; /* buffer was empty before reading */ | |
253 colnr_T len; | |
254 long size = 0; | |
255 char_u *p; | |
2241
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
256 off_t filesize = 0; |
7 | 257 int skip_read = FALSE; |
258 #ifdef FEAT_CRYPT | |
259 char_u *cryptkey = NULL; | |
2204
c493d6bfde09
A few more changes for encryption. Add test that encrypted file can be read.
Bram Moolenaar <bram@vim.org>
parents:
2180
diff
changeset
|
260 int did_ask_for_key = FALSE; |
7 | 261 #endif |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
262 #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
|
263 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
|
264 int read_undo_file = FALSE; |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
265 #endif |
7 | 266 int split = 0; /* number of split lines */ |
267 #define UNKNOWN 0x0fffffff /* file size is unknown */ | |
268 linenr_T linecnt; | |
269 int error = FALSE; /* errors encountered */ | |
270 int ff_error = EOL_UNKNOWN; /* file format with errors */ | |
271 long linerest = 0; /* remaining chars in line */ | |
272 #ifdef UNIX | |
273 int perm = 0; | |
274 int swap_mode = -1; /* protection bits for swap file */ | |
275 #else | |
276 int perm; | |
277 #endif | |
278 int fileformat = 0; /* end-of-line format */ | |
279 int keep_fileformat = FALSE; | |
280 struct stat st; | |
281 int file_readonly; | |
282 linenr_T skip_count = 0; | |
283 linenr_T read_count = 0; | |
284 int msg_save = msg_scroll; | |
285 linenr_T read_no_eol_lnum = 0; /* non-zero lnum when last line of | |
286 * last read was missing the eol */ | |
287 int try_mac = (vim_strchr(p_ffs, 'm') != NULL); | |
288 int try_dos = (vim_strchr(p_ffs, 'd') != NULL); | |
289 int try_unix = (vim_strchr(p_ffs, 'x') != NULL); | |
290 int file_rewind = FALSE; | |
291 #ifdef FEAT_MBYTE | |
292 int can_retry; | |
595 | 293 linenr_T conv_error = 0; /* line nr with conversion error */ |
294 linenr_T illegal_byte = 0; /* line nr with illegal byte */ | |
7 | 295 int keep_dest_enc = FALSE; /* don't retry when char doesn't fit |
296 in destination encoding */ | |
595 | 297 int bad_char_behavior = BAD_REPLACE; |
298 /* BAD_KEEP, BAD_DROP or character to | |
299 * replace with */ | |
7 | 300 char_u *tmpname = NULL; /* name of 'charconvert' output file */ |
301 int fio_flags = 0; | |
302 char_u *fenc; /* fileencoding to use */ | |
303 int fenc_alloced; /* fenc_next is in allocated memory */ | |
304 char_u *fenc_next = NULL; /* next item in 'fencs' or NULL */ | |
305 int advance_fenc = FALSE; | |
306 long real_size = 0; | |
307 # ifdef USE_ICONV | |
308 iconv_t iconv_fd = (iconv_t)-1; /* descriptor for iconv() or -1 */ | |
309 # ifdef FEAT_EVAL | |
310 int did_iconv = FALSE; /* TRUE when iconv() failed and trying | |
311 'charconvert' next */ | |
312 # endif | |
313 # endif | |
314 int converted = FALSE; /* TRUE if conversion done */ | |
315 int notconverted = FALSE; /* TRUE if conversion wanted but it | |
316 wasn't possible */ | |
317 char_u conv_rest[CONV_RESTLEN]; | |
318 int conv_restlen = 0; /* nr of bytes in conv_rest[] */ | |
319 #endif | |
320 | |
1834 | 321 #ifdef FEAT_AUTOCMD |
322 /* Remember the initial values of curbuf, curbuf->b_ffname and | |
323 * curbuf->b_fname to detect whether they are altered as a result of | |
324 * executing nasty autocommands. Also check if "fname" and "sfname" | |
325 * point to one of these values. */ | |
326 buf_T *old_curbuf = curbuf; | |
327 char_u *old_b_ffname = curbuf->b_ffname; | |
328 char_u *old_b_fname = curbuf->b_fname; | |
329 int using_b_ffname = (fname == curbuf->b_ffname) | |
330 || (sfname == curbuf->b_ffname); | |
331 int using_b_fname = (fname == curbuf->b_fname) | |
332 || (sfname == curbuf->b_fname); | |
333 #endif | |
7 | 334 write_no_eol_lnum = 0; /* in case it was set by the previous read */ |
335 | |
336 /* | |
337 * If there is no file name yet, use the one for the read file. | |
338 * BF_NOTEDITED is set to reflect this. | |
339 * Don't do this for a read from a filter. | |
340 * Only do this when 'cpoptions' contains the 'f' flag. | |
341 */ | |
342 if (curbuf->b_ffname == NULL | |
343 && !filtering | |
344 && fname != NULL | |
345 && vim_strchr(p_cpo, CPO_FNAMER) != NULL | |
346 && !(flags & READ_DUMMY)) | |
347 { | |
633 | 348 if (set_rw_fname(fname, sfname) == FAIL) |
349 return FAIL; | |
7 | 350 } |
351 | |
167 | 352 /* After reading a file the cursor line changes but we don't want to |
353 * display the line. */ | |
354 ex_no_reprint = TRUE; | |
355 | |
968 | 356 /* don't display the file info for another buffer now */ |
357 need_fileinfo = FALSE; | |
358 | |
7 | 359 /* |
360 * For Unix: Use the short file name whenever possible. | |
361 * Avoids problems with networks and when directory names are changed. | |
362 * Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to | |
363 * another directory, which we don't detect. | |
364 */ | |
365 if (sfname == NULL) | |
366 sfname = fname; | |
367 #if defined(UNIX) || defined(__EMX__) | |
368 fname = sfname; | |
369 #endif | |
370 | |
371 #ifdef FEAT_AUTOCMD | |
372 /* | |
373 * The BufReadCmd and FileReadCmd events intercept the reading process by | |
374 * executing the associated commands instead. | |
375 */ | |
376 if (!filtering && !read_stdin && !read_buffer) | |
377 { | |
378 pos_T pos; | |
379 | |
380 pos = curbuf->b_op_start; | |
381 | |
382 /* Set '[ mark to the line above where the lines go (line 1 if zero). */ | |
383 curbuf->b_op_start.lnum = ((from == 0) ? 1 : from); | |
384 curbuf->b_op_start.col = 0; | |
385 | |
386 if (newfile) | |
387 { | |
388 if (apply_autocmds_exarg(EVENT_BUFREADCMD, NULL, sfname, | |
389 FALSE, curbuf, eap)) | |
390 #ifdef FEAT_EVAL | |
391 return aborting() ? FAIL : OK; | |
392 #else | |
393 return OK; | |
394 #endif | |
395 } | |
396 else if (apply_autocmds_exarg(EVENT_FILEREADCMD, sfname, sfname, | |
397 FALSE, NULL, eap)) | |
398 #ifdef FEAT_EVAL | |
399 return aborting() ? FAIL : OK; | |
400 #else | |
401 return OK; | |
402 #endif | |
403 | |
404 curbuf->b_op_start = pos; | |
405 } | |
406 #endif | |
407 | |
408 if ((shortmess(SHM_OVER) || curbuf->b_help) && p_verbose == 0) | |
409 msg_scroll = FALSE; /* overwrite previous file message */ | |
410 else | |
411 msg_scroll = TRUE; /* don't overwrite previous file message */ | |
412 | |
413 /* | |
414 * If the name ends in a path separator, we can't open it. Check here, | |
415 * because reading the file may actually work, but then creating the swap | |
416 * file may destroy it! Reported on MS-DOS and Win 95. | |
417 * If the name is too long we might crash further on, quit here. | |
418 */ | |
23 | 419 if (fname != NULL && *fname != NUL) |
420 { | |
39 | 421 p = fname + STRLEN(fname); |
422 if (after_pathsep(fname, p) || STRLEN(fname) >= MAXPATHL) | |
23 | 423 { |
424 filemess(curbuf, fname, (char_u *)_("Illegal file name"), 0); | |
425 msg_end(); | |
426 msg_scroll = msg_save; | |
427 return FAIL; | |
428 } | |
7 | 429 } |
430 | |
431 #ifdef UNIX | |
432 /* | |
433 * On Unix it is possible to read a directory, so we have to | |
434 * check for it before the mch_open(). | |
435 */ | |
436 if (!read_stdin && !read_buffer) | |
437 { | |
438 perm = mch_getperm(fname); | |
439 if (perm >= 0 && !S_ISREG(perm) /* not a regular file ... */ | |
440 # ifdef S_ISFIFO | |
441 && !S_ISFIFO(perm) /* ... or fifo */ | |
442 # endif | |
443 # ifdef S_ISSOCK | |
444 && !S_ISSOCK(perm) /* ... or socket */ | |
445 # endif | |
1313 | 446 # ifdef OPEN_CHR_FILES |
447 && !(S_ISCHR(perm) && is_dev_fd_file(fname)) | |
448 /* ... or a character special file named /dev/fd/<n> */ | |
449 # endif | |
7 | 450 ) |
451 { | |
452 if (S_ISDIR(perm)) | |
453 filemess(curbuf, fname, (char_u *)_("is a directory"), 0); | |
454 else | |
455 filemess(curbuf, fname, (char_u *)_("is not a file"), 0); | |
456 msg_end(); | |
457 msg_scroll = msg_save; | |
458 return FAIL; | |
459 } | |
1006 | 460 |
461 # if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
462 /* | |
463 * MS-Windows allows opening a device, but we will probably get stuck | |
464 * trying to read it. | |
465 */ | |
466 if (!p_odev && mch_nodetype(fname) == NODE_WRITABLE) | |
467 { | |
1303 | 468 filemess(curbuf, fname, (char_u *)_("is a device (disabled with 'opendevice' option)"), 0); |
1006 | 469 msg_end(); |
470 msg_scroll = msg_save; | |
471 return FAIL; | |
472 } | |
473 # endif | |
1004 | 474 } |
475 #endif | |
476 | |
7 | 477 /* set default 'fileformat' */ |
819 | 478 if (set_options) |
7 | 479 { |
480 if (eap != NULL && eap->force_ff != 0) | |
481 set_fileformat(get_fileformat_force(curbuf, eap), OPT_LOCAL); | |
482 else if (*p_ffs != NUL) | |
483 set_fileformat(default_fileformat(), OPT_LOCAL); | |
484 } | |
485 | |
486 /* set or reset 'binary' */ | |
487 if (eap != NULL && eap->force_bin != 0) | |
488 { | |
489 int oldval = curbuf->b_p_bin; | |
490 | |
491 curbuf->b_p_bin = (eap->force_bin == FORCE_BIN); | |
492 set_options_bin(oldval, curbuf->b_p_bin, OPT_LOCAL); | |
493 } | |
494 | |
495 /* | |
496 * When opening a new file we take the readonly flag from the file. | |
497 * Default is r/w, can be set to r/o below. | |
498 * Don't reset it when in readonly mode | |
499 * Only set/reset b_p_ro when BF_CHECK_RO is set. | |
500 */ | |
501 check_readonly = (newfile && (curbuf->b_flags & BF_CHECK_RO)); | |
164 | 502 if (check_readonly && !readonlymode) |
7 | 503 curbuf->b_p_ro = FALSE; |
504 | |
505 if (newfile && !read_stdin && !read_buffer) | |
506 { | |
507 /* Remember time of file. | |
508 * For RISCOS, also remember the filetype. | |
509 */ | |
510 if (mch_stat((char *)fname, &st) >= 0) | |
511 { | |
512 buf_store_time(curbuf, &st, fname); | |
513 curbuf->b_mtime_read = curbuf->b_mtime; | |
514 | |
515 #if defined(RISCOS) && defined(FEAT_OSFILETYPE) | |
516 /* Read the filetype into the buffer local filetype option. */ | |
517 mch_read_filetype(fname); | |
518 #endif | |
519 #ifdef UNIX | |
520 /* | |
521 * Use the protection bits of the original file for the swap file. | |
522 * This makes it possible for others to read the name of the | |
523 * edited file from the swapfile, but only if they can read the | |
524 * edited file. | |
525 * Remove the "write" and "execute" bits for group and others | |
526 * (they must not write the swapfile). | |
527 * Add the "read" and "write" bits for the user, otherwise we may | |
528 * not be able to write to the file ourselves. | |
529 * Setting the bits is done below, after creating the swap file. | |
530 */ | |
531 swap_mode = (st.st_mode & 0644) | 0600; | |
532 #endif | |
533 #ifdef FEAT_CW_EDITOR | |
534 /* Get the FSSpec on MacOS | |
535 * TODO: Update it properly when the buffer name changes | |
536 */ | |
537 (void)GetFSSpecFromPath(curbuf->b_ffname, &curbuf->b_FSSpec); | |
538 #endif | |
539 #ifdef VMS | |
540 curbuf->b_fab_rfm = st.st_fab_rfm; | |
22 | 541 curbuf->b_fab_rat = st.st_fab_rat; |
542 curbuf->b_fab_mrs = st.st_fab_mrs; | |
7 | 543 #endif |
544 } | |
545 else | |
546 { | |
547 curbuf->b_mtime = 0; | |
548 curbuf->b_mtime_read = 0; | |
549 curbuf->b_orig_size = 0; | |
550 curbuf->b_orig_mode = 0; | |
551 } | |
552 | |
553 /* Reset the "new file" flag. It will be set again below when the | |
554 * file doesn't exist. */ | |
555 curbuf->b_flags &= ~(BF_NEW | BF_NEW_W); | |
556 } | |
557 | |
558 /* | |
559 * for UNIX: check readonly with perm and mch_access() | |
560 * for RISCOS: same as Unix, otherwise file gets re-datestamped! | |
561 * for MSDOS and Amiga: check readonly by trying to open the file for writing | |
562 */ | |
563 file_readonly = FALSE; | |
564 if (read_stdin) | |
565 { | |
566 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
567 /* Force binary I/O on stdin to avoid CR-LF -> LF conversion. */ | |
568 setmode(0, O_BINARY); | |
569 #endif | |
570 } | |
571 else if (!read_buffer) | |
572 { | |
573 #ifdef USE_MCH_ACCESS | |
574 if ( | |
575 # ifdef UNIX | |
576 !(perm & 0222) || | |
577 # endif | |
578 mch_access((char *)fname, W_OK)) | |
579 file_readonly = TRUE; | |
580 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
581 #else | |
582 if (!newfile | |
583 || readonlymode | |
584 || (fd = mch_open((char *)fname, O_RDWR | O_EXTRA, 0)) < 0) | |
585 { | |
586 file_readonly = TRUE; | |
587 /* try to open ro */ | |
588 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
589 } | |
590 #endif | |
591 } | |
592 | |
593 if (fd < 0) /* cannot open at all */ | |
594 { | |
595 #ifndef UNIX | |
596 int isdir_f; | |
597 #endif | |
598 msg_scroll = msg_save; | |
599 #ifndef UNIX | |
600 /* | |
601 * On MSDOS and Amiga we can't open a directory, check here. | |
602 */ | |
603 isdir_f = (mch_isdir(fname)); | |
604 perm = mch_getperm(fname); /* check if the file exists */ | |
605 if (isdir_f) | |
606 { | |
607 filemess(curbuf, sfname, (char_u *)_("is a directory"), 0); | |
608 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
609 } | |
610 else | |
611 #endif | |
612 if (newfile) | |
613 { | |
2147
2bd29808d1f6
updated for version 7.2.429
Bram Moolenaar <bram@zimbu.org>
parents:
2095
diff
changeset
|
614 if (perm < 0 |
2bd29808d1f6
updated for version 7.2.429
Bram Moolenaar <bram@zimbu.org>
parents:
2095
diff
changeset
|
615 #ifdef ENOENT |
2bd29808d1f6
updated for version 7.2.429
Bram Moolenaar <bram@zimbu.org>
parents:
2095
diff
changeset
|
616 && errno == ENOENT |
2bd29808d1f6
updated for version 7.2.429
Bram Moolenaar <bram@zimbu.org>
parents:
2095
diff
changeset
|
617 #endif |
2bd29808d1f6
updated for version 7.2.429
Bram Moolenaar <bram@zimbu.org>
parents:
2095
diff
changeset
|
618 ) |
7 | 619 { |
620 /* | |
621 * Set the 'new-file' flag, so that when the file has | |
622 * been created by someone else, a ":w" will complain. | |
623 */ | |
624 curbuf->b_flags |= BF_NEW; | |
625 | |
626 /* Create a swap file now, so that other Vims are warned | |
627 * that we are editing this file. Don't do this for a | |
628 * "nofile" or "nowrite" buffer type. */ | |
629 #ifdef FEAT_QUICKFIX | |
630 if (!bt_dontwrite(curbuf)) | |
631 #endif | |
1834 | 632 { |
7 | 633 check_need_swap(newfile); |
1834 | 634 #ifdef FEAT_AUTOCMD |
635 /* SwapExists autocommand may mess things up */ | |
636 if (curbuf != old_curbuf | |
637 || (using_b_ffname | |
638 && (old_b_ffname != curbuf->b_ffname)) | |
639 || (using_b_fname | |
640 && (old_b_fname != curbuf->b_fname))) | |
641 { | |
642 EMSG(_(e_auchangedbuf)); | |
643 return FAIL; | |
644 } | |
645 #endif | |
646 } | |
592 | 647 if (dir_of_file_exists(fname)) |
648 filemess(curbuf, sfname, (char_u *)_("[New File]"), 0); | |
649 else | |
650 filemess(curbuf, sfname, | |
651 (char_u *)_("[New DIRECTORY]"), 0); | |
7 | 652 #ifdef FEAT_VIMINFO |
653 /* Even though this is a new file, it might have been | |
654 * edited before and deleted. Get the old marks. */ | |
655 check_marks_read(); | |
656 #endif | |
657 #ifdef FEAT_MBYTE | |
658 if (eap != NULL && eap->force_enc != 0) | |
659 { | |
660 /* set forced 'fileencoding' */ | |
661 fenc = enc_canonize(eap->cmd + eap->force_enc); | |
662 if (fenc != NULL) | |
663 set_string_option_direct((char_u *)"fenc", -1, | |
694 | 664 fenc, OPT_FREE|OPT_LOCAL, 0); |
7 | 665 vim_free(fenc); |
666 } | |
667 #endif | |
668 #ifdef FEAT_AUTOCMD | |
669 apply_autocmds_exarg(EVENT_BUFNEWFILE, sfname, sfname, | |
670 FALSE, curbuf, eap); | |
671 #endif | |
672 /* remember the current fileformat */ | |
673 save_file_ff(curbuf); | |
674 | |
675 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) | |
676 if (aborting()) /* autocmds may abort script processing */ | |
677 return FAIL; | |
678 #endif | |
679 return OK; /* a new file is not an error */ | |
680 } | |
681 else | |
682 { | |
550 | 683 filemess(curbuf, sfname, (char_u *)( |
684 # ifdef EFBIG | |
685 (errno == EFBIG) ? _("[File too big]") : | |
686 # endif | |
2147
2bd29808d1f6
updated for version 7.2.429
Bram Moolenaar <bram@zimbu.org>
parents:
2095
diff
changeset
|
687 # ifdef EOVERFLOW |
2bd29808d1f6
updated for version 7.2.429
Bram Moolenaar <bram@zimbu.org>
parents:
2095
diff
changeset
|
688 (errno == EOVERFLOW) ? _("[File too big]") : |
2bd29808d1f6
updated for version 7.2.429
Bram Moolenaar <bram@zimbu.org>
parents:
2095
diff
changeset
|
689 # endif |
550 | 690 _("[Permission Denied]")), 0); |
7 | 691 curbuf->b_p_ro = TRUE; /* must use "w!" now */ |
692 } | |
693 } | |
694 | |
695 return FAIL; | |
696 } | |
697 | |
698 /* | |
699 * Only set the 'ro' flag for readonly files the first time they are | |
700 * loaded. Help files always get readonly mode | |
701 */ | |
702 if ((check_readonly && file_readonly) || curbuf->b_help) | |
703 curbuf->b_p_ro = TRUE; | |
704 | |
819 | 705 if (set_options) |
7 | 706 { |
1486 | 707 /* Don't change 'eol' if reading from buffer as it will already be |
708 * correctly set when reading stdin. */ | |
709 if (!read_buffer) | |
710 { | |
711 curbuf->b_p_eol = TRUE; | |
712 curbuf->b_start_eol = TRUE; | |
713 } | |
7 | 714 #ifdef FEAT_MBYTE |
715 curbuf->b_p_bomb = FALSE; | |
1352 | 716 curbuf->b_start_bomb = FALSE; |
7 | 717 #endif |
718 } | |
719 | |
720 /* Create a swap file now, so that other Vims are warned that we are | |
721 * editing this file. | |
722 * Don't do this for a "nofile" or "nowrite" buffer type. */ | |
723 #ifdef FEAT_QUICKFIX | |
724 if (!bt_dontwrite(curbuf)) | |
725 #endif | |
726 { | |
727 check_need_swap(newfile); | |
1834 | 728 #ifdef FEAT_AUTOCMD |
729 if (!read_stdin && (curbuf != old_curbuf | |
730 || (using_b_ffname && (old_b_ffname != curbuf->b_ffname)) | |
731 || (using_b_fname && (old_b_fname != curbuf->b_fname)))) | |
732 { | |
733 EMSG(_(e_auchangedbuf)); | |
734 if (!read_buffer) | |
735 close(fd); | |
736 return FAIL; | |
737 } | |
738 #endif | |
7 | 739 #ifdef UNIX |
740 /* Set swap file protection bits after creating it. */ | |
1918 | 741 if (swap_mode > 0 && curbuf->b_ml.ml_mfp != NULL |
742 && curbuf->b_ml.ml_mfp->mf_fname != NULL) | |
7 | 743 (void)mch_setperm(curbuf->b_ml.ml_mfp->mf_fname, (long)swap_mode); |
744 #endif | |
745 } | |
746 | |
578 | 747 #if defined(HAS_SWAP_EXISTS_ACTION) |
7 | 748 /* If "Quit" selected at ATTENTION dialog, don't load the file */ |
749 if (swap_exists_action == SEA_QUIT) | |
750 { | |
751 if (!read_buffer && !read_stdin) | |
752 close(fd); | |
753 return FAIL; | |
754 } | |
755 #endif | |
756 | |
757 ++no_wait_return; /* don't wait for return yet */ | |
758 | |
759 /* | |
760 * Set '[ mark to the line above where the lines go (line 1 if zero). | |
761 */ | |
762 curbuf->b_op_start.lnum = ((from == 0) ? 1 : from); | |
763 curbuf->b_op_start.col = 0; | |
764 | |
765 #ifdef FEAT_AUTOCMD | |
766 if (!read_buffer) | |
767 { | |
768 int m = msg_scroll; | |
769 int n = msg_scrolled; | |
770 | |
771 /* | |
772 * The file must be closed again, the autocommands may want to change | |
773 * the file before reading it. | |
774 */ | |
775 if (!read_stdin) | |
776 close(fd); /* ignore errors */ | |
777 | |
778 /* | |
779 * The output from the autocommands should not overwrite anything and | |
780 * should not be overwritten: Set msg_scroll, restore its value if no | |
781 * output was done. | |
782 */ | |
783 msg_scroll = TRUE; | |
784 if (filtering) | |
785 apply_autocmds_exarg(EVENT_FILTERREADPRE, NULL, sfname, | |
786 FALSE, curbuf, eap); | |
787 else if (read_stdin) | |
788 apply_autocmds_exarg(EVENT_STDINREADPRE, NULL, sfname, | |
789 FALSE, curbuf, eap); | |
790 else if (newfile) | |
791 apply_autocmds_exarg(EVENT_BUFREADPRE, NULL, sfname, | |
792 FALSE, curbuf, eap); | |
793 else | |
794 apply_autocmds_exarg(EVENT_FILEREADPRE, sfname, sfname, | |
795 FALSE, NULL, eap); | |
796 if (msg_scrolled == n) | |
797 msg_scroll = m; | |
798 | |
799 #ifdef FEAT_EVAL | |
800 if (aborting()) /* autocmds may abort script processing */ | |
801 { | |
802 --no_wait_return; | |
803 msg_scroll = msg_save; | |
804 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
805 return FAIL; | |
806 } | |
807 #endif | |
808 /* | |
809 * Don't allow the autocommands to change the current buffer. | |
810 * Try to re-open the file. | |
1834 | 811 * |
812 * Don't allow the autocommands to change the buffer name either | |
813 * (cd for example) if it invalidates fname or sfname. | |
7 | 814 */ |
815 if (!read_stdin && (curbuf != old_curbuf | |
1834 | 816 || (using_b_ffname && (old_b_ffname != curbuf->b_ffname)) |
817 || (using_b_fname && (old_b_fname != curbuf->b_fname)) | |
7 | 818 || (fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0)) < 0)) |
819 { | |
820 --no_wait_return; | |
821 msg_scroll = msg_save; | |
822 if (fd < 0) | |
823 EMSG(_("E200: *ReadPre autocommands made the file unreadable")); | |
824 else | |
825 EMSG(_("E201: *ReadPre autocommands must not change current buffer")); | |
826 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
827 return FAIL; | |
828 } | |
829 } | |
830 #endif /* FEAT_AUTOCMD */ | |
831 | |
832 /* Autocommands may add lines to the file, need to check if it is empty */ | |
833 wasempty = (curbuf->b_ml.ml_flags & ML_EMPTY); | |
834 | |
835 if (!recoverymode && !filtering && !(flags & READ_DUMMY)) | |
836 { | |
837 /* | |
838 * Show the user that we are busy reading the input. Sometimes this | |
839 * may take a while. When reading from stdin another program may | |
840 * still be running, don't move the cursor to the last line, unless | |
841 * always using the GUI. | |
842 */ | |
843 if (read_stdin) | |
844 { | |
845 #ifndef ALWAYS_USE_GUI | |
846 mch_msg(_("Vim: Reading from stdin...\n")); | |
847 #endif | |
848 #ifdef FEAT_GUI | |
849 /* Also write a message in the GUI window, if there is one. */ | |
850 if (gui.in_use && !gui.dying && !gui.starting) | |
851 { | |
852 p = (char_u *)_("Reading from stdin..."); | |
853 gui_write(p, (int)STRLEN(p)); | |
854 } | |
855 #endif | |
856 } | |
857 else if (!read_buffer) | |
858 filemess(curbuf, sfname, (char_u *)"", 0); | |
859 } | |
860 | |
861 msg_scroll = FALSE; /* overwrite the file message */ | |
862 | |
863 /* | |
864 * Set linecnt now, before the "retry" caused by a wrong guess for | |
865 * fileformat, and after the autocommands, which may change them. | |
866 */ | |
867 linecnt = curbuf->b_ml.ml_line_count; | |
868 | |
869 #ifdef FEAT_MBYTE | |
595 | 870 /* "++bad=" argument. */ |
871 if (eap != NULL && eap->bad_char != 0) | |
612 | 872 { |
595 | 873 bad_char_behavior = eap->bad_char; |
819 | 874 if (set_options) |
612 | 875 curbuf->b_bad_char = eap->bad_char; |
876 } | |
877 else | |
878 curbuf->b_bad_char = 0; | |
595 | 879 |
7 | 880 /* |
595 | 881 * Decide which 'encoding' to use or use first. |
7 | 882 */ |
883 if (eap != NULL && eap->force_enc != 0) | |
884 { | |
885 fenc = enc_canonize(eap->cmd + eap->force_enc); | |
886 fenc_alloced = TRUE; | |
595 | 887 keep_dest_enc = TRUE; |
7 | 888 } |
889 else if (curbuf->b_p_bin) | |
890 { | |
891 fenc = (char_u *)""; /* binary: don't convert */ | |
892 fenc_alloced = FALSE; | |
893 } | |
894 else if (curbuf->b_help) | |
895 { | |
896 char_u firstline[80]; | |
301 | 897 int fc; |
7 | 898 |
899 /* Help files are either utf-8 or latin1. Try utf-8 first, if this | |
900 * fails it must be latin1. | |
901 * Always do this when 'encoding' is "utf-8". Otherwise only do | |
902 * this when needed to avoid [converted] remarks all the time. | |
903 * It is needed when the first line contains non-ASCII characters. | |
904 * That is only in *.??x files. */ | |
905 fenc = (char_u *)"latin1"; | |
906 c = enc_utf8; | |
301 | 907 if (!c && !read_stdin) |
908 { | |
909 fc = fname[STRLEN(fname) - 1]; | |
910 if (TOLOWER_ASC(fc) == 'x') | |
911 { | |
912 /* Read the first line (and a bit more). Immediately rewind to | |
913 * the start of the file. If the read() fails "len" is -1. */ | |
914 len = vim_read(fd, firstline, 80); | |
915 lseek(fd, (off_t)0L, SEEK_SET); | |
916 for (p = firstline; p < firstline + len; ++p) | |
917 if (*p >= 0x80) | |
918 { | |
919 c = TRUE; | |
920 break; | |
921 } | |
922 } | |
7 | 923 } |
924 | |
925 if (c) | |
926 { | |
927 fenc_next = fenc; | |
928 fenc = (char_u *)"utf-8"; | |
929 | |
930 /* When the file is utf-8 but a character doesn't fit in | |
931 * 'encoding' don't retry. In help text editing utf-8 bytes | |
932 * doesn't make sense. */ | |
844 | 933 if (!enc_utf8) |
934 keep_dest_enc = TRUE; | |
7 | 935 } |
936 fenc_alloced = FALSE; | |
937 } | |
938 else if (*p_fencs == NUL) | |
939 { | |
940 fenc = curbuf->b_p_fenc; /* use format from buffer */ | |
941 fenc_alloced = FALSE; | |
942 } | |
943 else | |
944 { | |
945 fenc_next = p_fencs; /* try items in 'fileencodings' */ | |
946 fenc = next_fenc(&fenc_next); | |
947 fenc_alloced = TRUE; | |
948 } | |
949 #endif | |
950 | |
951 /* | |
952 * Jump back here to retry reading the file in different ways. | |
953 * Reasons to retry: | |
954 * - encoding conversion failed: try another one from "fenc_next" | |
955 * - BOM detected and fenc was set, need to setup conversion | |
956 * - "fileformat" check failed: try another | |
957 * | |
958 * Variables set for special retry actions: | |
959 * "file_rewind" Rewind the file to start reading it again. | |
960 * "advance_fenc" Advance "fenc" using "fenc_next". | |
961 * "skip_read" Re-use already read bytes (BOM detected). | |
962 * "did_iconv" iconv() conversion failed, try 'charconvert'. | |
963 * "keep_fileformat" Don't reset "fileformat". | |
964 * | |
965 * Other status indicators: | |
966 * "tmpname" When != NULL did conversion with 'charconvert'. | |
967 * Output file has to be deleted afterwards. | |
968 * "iconv_fd" When != -1 did conversion with iconv(). | |
969 */ | |
970 retry: | |
971 | |
972 if (file_rewind) | |
973 { | |
974 if (read_buffer) | |
975 { | |
976 read_buf_lnum = 1; | |
977 read_buf_col = 0; | |
978 } | |
979 else if (read_stdin || lseek(fd, (off_t)0L, SEEK_SET) != 0) | |
980 { | |
981 /* Can't rewind the file, give up. */ | |
982 error = TRUE; | |
983 goto failed; | |
984 } | |
985 /* Delete the previously read lines. */ | |
986 while (lnum > from) | |
987 ml_delete(lnum--, FALSE); | |
988 file_rewind = FALSE; | |
989 #ifdef FEAT_MBYTE | |
819 | 990 if (set_options) |
1352 | 991 { |
7 | 992 curbuf->b_p_bomb = FALSE; |
1352 | 993 curbuf->b_start_bomb = FALSE; |
994 } | |
595 | 995 conv_error = 0; |
7 | 996 #endif |
997 } | |
998 | |
2267 | 999 #ifdef FEAT_CRYPT |
1000 if (cryptkey != NULL) | |
1001 /* Need to reset the state, but keep the key, don't want to ask for it | |
1002 * again. */ | |
1003 crypt_pop_state(); | |
1004 #endif | |
1005 | |
7 | 1006 /* |
1007 * When retrying with another "fenc" and the first time "fileformat" | |
1008 * will be reset. | |
1009 */ | |
1010 if (keep_fileformat) | |
1011 keep_fileformat = FALSE; | |
1012 else | |
1013 { | |
1014 if (eap != NULL && eap->force_ff != 0) | |
1742 | 1015 { |
7 | 1016 fileformat = get_fileformat_force(curbuf, eap); |
1742 | 1017 try_unix = try_dos = try_mac = FALSE; |
1018 } | |
7 | 1019 else if (curbuf->b_p_bin) |
1020 fileformat = EOL_UNIX; /* binary: use Unix format */ | |
1021 else if (*p_ffs == NUL) | |
1022 fileformat = get_fileformat(curbuf);/* use format from buffer */ | |
1023 else | |
1024 fileformat = EOL_UNKNOWN; /* detect from file */ | |
1025 } | |
1026 | |
1027 #ifdef FEAT_MBYTE | |
1028 # ifdef USE_ICONV | |
1029 if (iconv_fd != (iconv_t)-1) | |
1030 { | |
1031 /* aborted conversion with iconv(), close the descriptor */ | |
1032 iconv_close(iconv_fd); | |
1033 iconv_fd = (iconv_t)-1; | |
1034 } | |
1035 # endif | |
1036 | |
1037 if (advance_fenc) | |
1038 { | |
1039 /* | |
1040 * Try the next entry in 'fileencodings'. | |
1041 */ | |
1042 advance_fenc = FALSE; | |
1043 | |
1044 if (eap != NULL && eap->force_enc != 0) | |
1045 { | |
1046 /* Conversion given with "++cc=" wasn't possible, read | |
1047 * without conversion. */ | |
1048 notconverted = TRUE; | |
595 | 1049 conv_error = 0; |
7 | 1050 if (fenc_alloced) |
1051 vim_free(fenc); | |
1052 fenc = (char_u *)""; | |
1053 fenc_alloced = FALSE; | |
1054 } | |
1055 else | |
1056 { | |
1057 if (fenc_alloced) | |
1058 vim_free(fenc); | |
1059 if (fenc_next != NULL) | |
1060 { | |
1061 fenc = next_fenc(&fenc_next); | |
1062 fenc_alloced = (fenc_next != NULL); | |
1063 } | |
1064 else | |
1065 { | |
1066 fenc = (char_u *)""; | |
1067 fenc_alloced = FALSE; | |
1068 } | |
1069 } | |
1070 if (tmpname != NULL) | |
1071 { | |
1072 mch_remove(tmpname); /* delete converted file */ | |
1073 vim_free(tmpname); | |
1074 tmpname = NULL; | |
1075 } | |
1076 } | |
1077 | |
1078 /* | |
1948 | 1079 * Conversion may be required when the encoding of the file is different |
1080 * from 'encoding' or 'encoding' is UTF-16, UCS-2 or UCS-4. | |
7 | 1081 */ |
1082 fio_flags = 0; | |
1948 | 1083 converted = need_conversion(fenc); |
1084 if (converted) | |
7 | 1085 { |
1086 | |
1087 /* "ucs-bom" means we need to check the first bytes of the file | |
1088 * for a BOM. */ | |
1089 if (STRCMP(fenc, ENC_UCSBOM) == 0) | |
1090 fio_flags = FIO_UCSBOM; | |
1091 | |
1092 /* | |
1093 * Check if UCS-2/4 or Latin1 to UTF-8 conversion needs to be | |
1094 * done. This is handled below after read(). Prepare the | |
1095 * fio_flags to avoid having to parse the string each time. | |
1096 * Also check for Unicode to Latin1 conversion, because iconv() | |
1097 * appears not to handle this correctly. This works just like | |
1098 * conversion to UTF-8 except how the resulting character is put in | |
1099 * the buffer. | |
1100 */ | |
1101 else if (enc_utf8 || STRCMP(p_enc, "latin1") == 0) | |
1102 fio_flags = get_fio_flags(fenc); | |
1103 | |
1104 # ifdef WIN3264 | |
1105 /* | |
1106 * Conversion from an MS-Windows codepage to UTF-8 or another codepage | |
1107 * is handled with MultiByteToWideChar(). | |
1108 */ | |
1109 if (fio_flags == 0) | |
1110 fio_flags = get_win_fio_flags(fenc); | |
1111 # endif | |
1112 | |
1113 # ifdef MACOS_X | |
1114 /* Conversion from Apple MacRoman to latin1 or UTF-8 */ | |
1115 if (fio_flags == 0) | |
1116 fio_flags = get_mac_fio_flags(fenc); | |
1117 # endif | |
1118 | |
1119 # ifdef USE_ICONV | |
1120 /* | |
1121 * Try using iconv() if we can't convert internally. | |
1122 */ | |
1123 if (fio_flags == 0 | |
1124 # ifdef FEAT_EVAL | |
1125 && !did_iconv | |
1126 # endif | |
1127 ) | |
1128 iconv_fd = (iconv_t)my_iconv_open( | |
1129 enc_utf8 ? (char_u *)"utf-8" : p_enc, fenc); | |
1130 # endif | |
1131 | |
1132 # ifdef FEAT_EVAL | |
1133 /* | |
1134 * Use the 'charconvert' expression when conversion is required | |
1135 * and we can't do it internally or with iconv(). | |
1136 */ | |
1137 if (fio_flags == 0 && !read_stdin && !read_buffer && *p_ccv != NUL | |
1138 # ifdef USE_ICONV | |
1139 && iconv_fd == (iconv_t)-1 | |
1140 # endif | |
1141 ) | |
1142 { | |
1143 # ifdef USE_ICONV | |
1144 did_iconv = FALSE; | |
1145 # endif | |
1146 /* Skip conversion when it's already done (retry for wrong | |
1147 * "fileformat"). */ | |
1148 if (tmpname == NULL) | |
1149 { | |
1150 tmpname = readfile_charconvert(fname, fenc, &fd); | |
1151 if (tmpname == NULL) | |
1152 { | |
1153 /* Conversion failed. Try another one. */ | |
1154 advance_fenc = TRUE; | |
1155 if (fd < 0) | |
1156 { | |
1157 /* Re-opening the original file failed! */ | |
1158 EMSG(_("E202: Conversion made file unreadable!")); | |
1159 error = TRUE; | |
1160 goto failed; | |
1161 } | |
1162 goto retry; | |
1163 } | |
1164 } | |
1165 } | |
1166 else | |
1167 # endif | |
1168 { | |
1169 if (fio_flags == 0 | |
1170 # ifdef USE_ICONV | |
1171 && iconv_fd == (iconv_t)-1 | |
1172 # endif | |
1173 ) | |
1174 { | |
1175 /* Conversion wanted but we can't. | |
1176 * Try the next conversion in 'fileencodings' */ | |
1177 advance_fenc = TRUE; | |
1178 goto retry; | |
1179 } | |
1180 } | |
1181 } | |
1182 | |
595 | 1183 /* Set "can_retry" when it's possible to rewind the file and try with |
7 | 1184 * another "fenc" value. It's FALSE when no other "fenc" to try, reading |
595 | 1185 * stdin or fixed at a specific encoding. */ |
1186 can_retry = (*fenc != NUL && !read_stdin && !keep_dest_enc); | |
7 | 1187 #endif |
1188 | |
1189 if (!skip_read) | |
1190 { | |
1191 linerest = 0; | |
1192 filesize = 0; | |
1193 skip_count = lines_to_skip; | |
1194 read_count = lines_to_read; | |
1195 #ifdef FEAT_MBYTE | |
1196 conv_restlen = 0; | |
1197 #endif | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1198 #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
|
1199 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
|
1200 && 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
|
1201 && 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
|
1202 && !filtering |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
1203 && !read_stdin |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
1204 && !read_buffer); |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1205 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
|
1206 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
|
1207 #endif |
7 | 1208 } |
1209 | |
1210 while (!error && !got_int) | |
1211 { | |
1212 /* | |
1213 * We allocate as much space for the file as we can get, plus | |
1214 * space for the old line plus room for one terminating NUL. | |
1215 * The amount is limited by the fact that read() only can read | |
1216 * upto max_unsigned characters (and other things). | |
1217 */ | |
1218 #if SIZEOF_INT <= 2 | |
1219 if (linerest >= 0x7ff0) | |
1220 { | |
1221 ++split; | |
1222 *ptr = NL; /* split line by inserting a NL */ | |
1223 size = 1; | |
1224 } | |
1225 else | |
1226 #endif | |
1227 { | |
1228 if (!skip_read) | |
1229 { | |
1230 #if SIZEOF_INT > 2 | |
1076 | 1231 # if defined(SSIZE_MAX) && (SSIZE_MAX < 0x10000L) |
7 | 1232 size = SSIZE_MAX; /* use max I/O size, 52K */ |
1233 # else | |
1234 size = 0x10000L; /* use buffer >= 64K */ | |
1235 # endif | |
1236 #else | |
1237 size = 0x7ff0L - linerest; /* limit buffer to 32K */ | |
1238 #endif | |
1239 | |
836 | 1240 for ( ; size >= 10; size = (long)((long_u)size >> 1)) |
7 | 1241 { |
1242 if ((new_buffer = lalloc((long_u)(size + linerest + 1), | |
1243 FALSE)) != NULL) | |
1244 break; | |
1245 } | |
1246 if (new_buffer == NULL) | |
1247 { | |
1248 do_outofmem_msg((long_u)(size * 2 + linerest + 1)); | |
1249 error = TRUE; | |
1250 break; | |
1251 } | |
1252 if (linerest) /* copy characters from the previous buffer */ | |
1253 mch_memmove(new_buffer, ptr - linerest, (size_t)linerest); | |
1254 vim_free(buffer); | |
1255 buffer = new_buffer; | |
1256 ptr = buffer + linerest; | |
1257 line_start = buffer; | |
1258 | |
1259 #ifdef FEAT_MBYTE | |
1260 /* May need room to translate into. | |
1261 * For iconv() we don't really know the required space, use a | |
1262 * factor ICONV_MULT. | |
1263 * latin1 to utf-8: 1 byte becomes up to 2 bytes | |
1264 * utf-16 to utf-8: 2 bytes become up to 3 bytes, 4 bytes | |
1265 * become up to 4 bytes, size must be multiple of 2 | |
1266 * ucs-2 to utf-8: 2 bytes become up to 3 bytes, size must be | |
1267 * multiple of 2 | |
1268 * ucs-4 to utf-8: 4 bytes become up to 6 bytes, size must be | |
1269 * multiple of 4 */ | |
835 | 1270 real_size = (int)size; |
7 | 1271 # ifdef USE_ICONV |
1272 if (iconv_fd != (iconv_t)-1) | |
1273 size = size / ICONV_MULT; | |
1274 else | |
1275 # endif | |
1276 if (fio_flags & FIO_LATIN1) | |
1277 size = size / 2; | |
1278 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
1279 size = (size * 2 / 3) & ~1; | |
1280 else if (fio_flags & FIO_UCS4) | |
1281 size = (size * 2 / 3) & ~3; | |
1282 else if (fio_flags == FIO_UCSBOM) | |
1283 size = size / ICONV_MULT; /* worst case */ | |
1284 # ifdef WIN3264 | |
1285 else if (fio_flags & FIO_CODEPAGE) | |
1286 size = size / ICONV_MULT; /* also worst case */ | |
1287 # endif | |
1288 # ifdef MACOS_X | |
1289 else if (fio_flags & FIO_MACROMAN) | |
1290 size = size / ICONV_MULT; /* also worst case */ | |
1291 # endif | |
1292 #endif | |
1293 | |
1294 #ifdef FEAT_MBYTE | |
1295 if (conv_restlen > 0) | |
1296 { | |
1297 /* Insert unconverted bytes from previous line. */ | |
1298 mch_memmove(ptr, conv_rest, conv_restlen); | |
1299 ptr += conv_restlen; | |
1300 size -= conv_restlen; | |
1301 } | |
1302 #endif | |
1303 | |
1304 if (read_buffer) | |
1305 { | |
1306 /* | |
1307 * Read bytes from curbuf. Used for converting text read | |
1308 * from stdin. | |
1309 */ | |
1310 if (read_buf_lnum > from) | |
1311 size = 0; | |
1312 else | |
1313 { | |
1314 int n, ni; | |
1315 long tlen; | |
1316 | |
1317 tlen = 0; | |
1318 for (;;) | |
1319 { | |
1320 p = ml_get(read_buf_lnum) + read_buf_col; | |
1321 n = (int)STRLEN(p); | |
1322 if ((int)tlen + n + 1 > size) | |
1323 { | |
1324 /* Filled up to "size", append partial line. | |
1325 * Change NL to NUL to reverse the effect done | |
1326 * below. */ | |
835 | 1327 n = (int)(size - tlen); |
7 | 1328 for (ni = 0; ni < n; ++ni) |
1329 { | |
1330 if (p[ni] == NL) | |
1331 ptr[tlen++] = NUL; | |
1332 else | |
1333 ptr[tlen++] = p[ni]; | |
1334 } | |
1335 read_buf_col += n; | |
1336 break; | |
1337 } | |
1338 else | |
1339 { | |
1340 /* Append whole line and new-line. Change NL | |
1341 * to NUL to reverse the effect done below. */ | |
1342 for (ni = 0; ni < n; ++ni) | |
1343 { | |
1344 if (p[ni] == NL) | |
1345 ptr[tlen++] = NUL; | |
1346 else | |
1347 ptr[tlen++] = p[ni]; | |
1348 } | |
1349 ptr[tlen++] = NL; | |
1350 read_buf_col = 0; | |
1351 if (++read_buf_lnum > from) | |
1352 { | |
1353 /* When the last line didn't have an | |
1354 * end-of-line don't add it now either. */ | |
1355 if (!curbuf->b_p_eol) | |
1356 --tlen; | |
1357 size = tlen; | |
1358 break; | |
1359 } | |
1360 } | |
1361 } | |
1362 } | |
1363 } | |
1364 else | |
1365 { | |
1366 /* | |
1367 * Read bytes from the file. | |
1368 */ | |
1369 size = vim_read(fd, ptr, size); | |
1370 } | |
1371 | |
1372 if (size <= 0) | |
1373 { | |
1374 if (size < 0) /* read error */ | |
1375 error = TRUE; | |
1376 #ifdef FEAT_MBYTE | |
1377 else if (conv_restlen > 0) | |
595 | 1378 { |
1597 | 1379 /* |
1380 * Reached end-of-file but some trailing bytes could | |
1381 * not be converted. Truncated file? | |
1382 */ | |
1383 | |
1384 /* When we did a conversion report an error. */ | |
1385 if (fio_flags != 0 | |
1386 # ifdef USE_ICONV | |
1387 || iconv_fd != (iconv_t)-1 | |
1388 # endif | |
1389 ) | |
1390 { | |
1391 if (conv_error == 0) | |
1392 conv_error = curbuf->b_ml.ml_line_count | |
1393 - linecnt + 1; | |
1394 } | |
1395 /* Remember the first linenr with an illegal byte */ | |
1396 else if (illegal_byte == 0) | |
1397 illegal_byte = curbuf->b_ml.ml_line_count | |
1398 - linecnt + 1; | |
1399 if (bad_char_behavior == BAD_DROP) | |
595 | 1400 { |
1597 | 1401 *(ptr - conv_restlen) = NUL; |
1402 conv_restlen = 0; | |
1403 } | |
1404 else | |
1405 { | |
1406 /* Replace the trailing bytes with the replacement | |
1407 * character if we were converting; if we weren't, | |
1408 * leave the UTF8 checking code to do it, as it | |
1409 * works slightly differently. */ | |
1410 if (bad_char_behavior != BAD_KEEP && (fio_flags != 0 | |
1411 # ifdef USE_ICONV | |
1412 || iconv_fd != (iconv_t)-1 | |
1413 # endif | |
1414 )) | |
1415 { | |
1416 while (conv_restlen > 0) | |
1417 { | |
1418 *(--ptr) = bad_char_behavior; | |
1419 --conv_restlen; | |
1420 } | |
1421 } | |
595 | 1422 fio_flags = 0; /* don't convert this */ |
834 | 1423 # ifdef USE_ICONV |
1424 if (iconv_fd != (iconv_t)-1) | |
1425 { | |
1426 iconv_close(iconv_fd); | |
1427 iconv_fd = (iconv_t)-1; | |
1428 } | |
1429 # endif | |
595 | 1430 } |
1431 } | |
7 | 1432 #endif |
1433 } | |
1434 | |
1435 #ifdef FEAT_CRYPT | |
1436 /* | |
1437 * At start of file: Check for magic number of encryption. | |
1438 */ | |
1439 if (filesize == 0) | |
1440 cryptkey = check_for_cryptkey(cryptkey, ptr, &size, | |
2267 | 1441 &filesize, newfile, sfname, |
1442 &did_ask_for_key); | |
7 | 1443 /* |
1444 * Decrypt the read bytes. | |
1445 */ | |
1446 if (cryptkey != NULL && size > 0) | |
2244 | 1447 crypt_decode(ptr, size); |
7 | 1448 #endif |
1449 } | |
1450 skip_read = FALSE; | |
1451 | |
1452 #ifdef FEAT_MBYTE | |
1453 /* | |
1454 * At start of file (or after crypt magic number): Check for BOM. | |
1455 * Also check for a BOM for other Unicode encodings, but not after | |
1456 * converting with 'charconvert' or when a BOM has already been | |
1457 * found. | |
1458 */ | |
1459 if ((filesize == 0 | |
1460 # ifdef FEAT_CRYPT | |
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
1461 || (filesize == (CRYPT_MAGIC_LEN |
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
1462 + crypt_salt_len[use_crypt_method] |
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
1463 + crypt_seed_len[use_crypt_method]) |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
1464 && cryptkey != NULL) |
7 | 1465 # endif |
1466 ) | |
1467 && (fio_flags == FIO_UCSBOM | |
1468 || (!curbuf->b_p_bomb | |
1469 && tmpname == NULL | |
1470 && (*fenc == 'u' || (*fenc == NUL && enc_utf8))))) | |
1471 { | |
1472 char_u *ccname; | |
1473 int blen; | |
1474 | |
1475 /* no BOM detection in a short file or in binary mode */ | |
1476 if (size < 2 || curbuf->b_p_bin) | |
1477 ccname = NULL; | |
1478 else | |
1479 ccname = check_for_bom(ptr, size, &blen, | |
1480 fio_flags == FIO_UCSBOM ? FIO_ALL : get_fio_flags(fenc)); | |
1481 if (ccname != NULL) | |
1482 { | |
1483 /* Remove BOM from the text */ | |
1484 filesize += blen; | |
1485 size -= blen; | |
1486 mch_memmove(ptr, ptr + blen, (size_t)size); | |
819 | 1487 if (set_options) |
1352 | 1488 { |
7 | 1489 curbuf->b_p_bomb = TRUE; |
1352 | 1490 curbuf->b_start_bomb = TRUE; |
1491 } | |
7 | 1492 } |
1493 | |
1494 if (fio_flags == FIO_UCSBOM) | |
1495 { | |
1496 if (ccname == NULL) | |
1497 { | |
1498 /* No BOM detected: retry with next encoding. */ | |
1499 advance_fenc = TRUE; | |
1500 } | |
1501 else | |
1502 { | |
1503 /* BOM detected: set "fenc" and jump back */ | |
1504 if (fenc_alloced) | |
1505 vim_free(fenc); | |
1506 fenc = ccname; | |
1507 fenc_alloced = FALSE; | |
1508 } | |
1509 /* retry reading without getting new bytes or rewinding */ | |
1510 skip_read = TRUE; | |
1511 goto retry; | |
1512 } | |
1513 } | |
1597 | 1514 |
1515 /* Include not converted bytes. */ | |
1516 ptr -= conv_restlen; | |
1517 size += conv_restlen; | |
1518 conv_restlen = 0; | |
7 | 1519 #endif |
1520 /* | |
1521 * Break here for a read error or end-of-file. | |
1522 */ | |
1523 if (size <= 0) | |
1524 break; | |
1525 | |
1526 #ifdef FEAT_MBYTE | |
1527 | |
1528 # ifdef USE_ICONV | |
1529 if (iconv_fd != (iconv_t)-1) | |
1530 { | |
1531 /* | |
1532 * Attempt conversion of the read bytes to 'encoding' using | |
1533 * iconv(). | |
1534 */ | |
1535 const char *fromp; | |
1536 char *top; | |
1537 size_t from_size; | |
1538 size_t to_size; | |
1539 | |
1540 fromp = (char *)ptr; | |
1541 from_size = size; | |
1542 ptr += size; | |
1543 top = (char *)ptr; | |
1544 to_size = real_size - size; | |
1545 | |
1546 /* | |
1547 * If there is conversion error or not enough room try using | |
179 | 1548 * another conversion. Except for when there is no |
1549 * alternative (help files). | |
7 | 1550 */ |
177 | 1551 while ((iconv(iconv_fd, (void *)&fromp, &from_size, |
1552 &top, &to_size) | |
7 | 1553 == (size_t)-1 && ICONV_ERRNO != ICONV_EINVAL) |
1554 || from_size > CONV_RESTLEN) | |
177 | 1555 { |
595 | 1556 if (can_retry) |
375 | 1557 goto rewind_retry; |
595 | 1558 if (conv_error == 0) |
1559 conv_error = readfile_linenr(linecnt, | |
1560 ptr, (char_u *)top); | |
1561 | |
1562 /* Deal with a bad byte and continue with the next. */ | |
177 | 1563 ++fromp; |
1564 --from_size; | |
595 | 1565 if (bad_char_behavior == BAD_KEEP) |
1566 { | |
1567 *top++ = *(fromp - 1); | |
1568 --to_size; | |
1569 } | |
1570 else if (bad_char_behavior != BAD_DROP) | |
1571 { | |
1572 *top++ = bad_char_behavior; | |
1573 --to_size; | |
1574 } | |
177 | 1575 } |
7 | 1576 |
1577 if (from_size > 0) | |
1578 { | |
1579 /* Some remaining characters, keep them for the next | |
1580 * round. */ | |
1581 mch_memmove(conv_rest, (char_u *)fromp, from_size); | |
1582 conv_restlen = (int)from_size; | |
1583 } | |
1584 | |
1585 /* move the linerest to before the converted characters */ | |
1586 line_start = ptr - linerest; | |
1587 mch_memmove(line_start, buffer, (size_t)linerest); | |
1588 size = (long)((char_u *)top - ptr); | |
1589 } | |
1590 # endif | |
1591 | |
1592 # ifdef WIN3264 | |
1593 if (fio_flags & FIO_CODEPAGE) | |
1594 { | |
595 | 1595 char_u *src, *dst; |
1596 WCHAR ucs2buf[3]; | |
1597 int ucs2len; | |
1598 int codepage = FIO_GET_CP(fio_flags); | |
1599 int bytelen; | |
1600 int found_bad; | |
1601 char replstr[2]; | |
1602 | |
7 | 1603 /* |
1604 * Conversion from an MS-Windows codepage or UTF-8 to UTF-8 or | |
595 | 1605 * a codepage, using standard MS-Windows functions. This |
1606 * requires two steps: | |
1607 * 1. convert from 'fileencoding' to ucs-2 | |
1608 * 2. convert from ucs-2 to 'encoding' | |
1609 * | |
1610 * Because there may be illegal bytes AND an incomplete byte | |
1611 * sequence at the end, we may have to do the conversion one | |
1612 * character at a time to get it right. | |
7 | 1613 */ |
595 | 1614 |
1615 /* Replacement string for WideCharToMultiByte(). */ | |
1616 if (bad_char_behavior > 0) | |
1617 replstr[0] = bad_char_behavior; | |
1618 else | |
1619 replstr[0] = '?'; | |
1620 replstr[1] = NUL; | |
1621 | |
1622 /* | |
1623 * Move the bytes to the end of the buffer, so that we have | |
1624 * room to put the result at the start. | |
1625 */ | |
1626 src = ptr + real_size - size; | |
1627 mch_memmove(src, ptr, size); | |
7 | 1628 |
1629 /* | |
595 | 1630 * Do the conversion. |
7 | 1631 */ |
595 | 1632 dst = ptr; |
1633 size = size; | |
1634 while (size > 0) | |
7 | 1635 { |
595 | 1636 found_bad = FALSE; |
7 | 1637 |
1638 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
595 | 1639 if (codepage == CP_UTF8) |
7 | 1640 { |
595 | 1641 /* Handle CP_UTF8 input ourselves to be able to handle |
1642 * trailing bytes properly. | |
1643 * Get one UTF-8 character from src. */ | |
835 | 1644 bytelen = (int)utf_ptr2len_len(src, size); |
595 | 1645 if (bytelen > size) |
1646 { | |
1647 /* Only got some bytes of a character. Normally | |
1648 * it's put in "conv_rest", but if it's too long | |
1649 * deal with it as if they were illegal bytes. */ | |
1650 if (bytelen <= CONV_RESTLEN) | |
1651 break; | |
1652 | |
1653 /* weird overlong byte sequence */ | |
1654 bytelen = size; | |
1655 found_bad = TRUE; | |
1656 } | |
1657 else | |
1658 { | |
799 | 1659 int u8c = utf_ptr2char(src); |
1660 | |
622 | 1661 if (u8c > 0xffff || (*src >= 0x80 && bytelen == 1)) |
595 | 1662 found_bad = TRUE; |
1663 ucs2buf[0] = u8c; | |
1664 ucs2len = 1; | |
1665 } | |
7 | 1666 } |
595 | 1667 else |
7 | 1668 # endif |
595 | 1669 { |
1670 /* We don't know how long the byte sequence is, try | |
1671 * from one to three bytes. */ | |
1672 for (bytelen = 1; bytelen <= size && bytelen <= 3; | |
1673 ++bytelen) | |
1674 { | |
1675 ucs2len = MultiByteToWideChar(codepage, | |
1676 MB_ERR_INVALID_CHARS, | |
1677 (LPCSTR)src, bytelen, | |
1678 ucs2buf, 3); | |
1679 if (ucs2len > 0) | |
1680 break; | |
1681 } | |
1682 if (ucs2len == 0) | |
1683 { | |
1684 /* If we have only one byte then it's probably an | |
1685 * incomplete byte sequence. Otherwise discard | |
1686 * one byte as a bad character. */ | |
1687 if (size == 1) | |
1688 break; | |
1689 found_bad = TRUE; | |
1690 bytelen = 1; | |
1691 } | |
1692 } | |
1693 | |
1694 if (!found_bad) | |
7 | 1695 { |
595 | 1696 int i; |
1697 | |
1698 /* Convert "ucs2buf[ucs2len]" to 'enc' in "dst". */ | |
1699 if (enc_utf8) | |
1700 { | |
1701 /* From UCS-2 to UTF-8. Cannot fail. */ | |
1702 for (i = 0; i < ucs2len; ++i) | |
1703 dst += utf_char2bytes(ucs2buf[i], dst); | |
1704 } | |
1705 else | |
1706 { | |
1707 BOOL bad = FALSE; | |
1708 int dstlen; | |
1709 | |
1710 /* From UCS-2 to "enc_codepage". If the | |
1711 * conversion uses the default character "?", | |
1712 * the data doesn't fit in this encoding. */ | |
1713 dstlen = WideCharToMultiByte(enc_codepage, 0, | |
1714 (LPCWSTR)ucs2buf, ucs2len, | |
835 | 1715 (LPSTR)dst, (int)(src - dst), |
595 | 1716 replstr, &bad); |
1717 if (bad) | |
1718 found_bad = TRUE; | |
1719 else | |
1720 dst += dstlen; | |
1721 } | |
7 | 1722 } |
595 | 1723 |
1724 if (found_bad) | |
1725 { | |
1726 /* Deal with bytes we can't convert. */ | |
1727 if (can_retry) | |
1728 goto rewind_retry; | |
1729 if (conv_error == 0) | |
1730 conv_error = readfile_linenr(linecnt, ptr, dst); | |
1731 if (bad_char_behavior != BAD_DROP) | |
1732 { | |
1733 if (bad_char_behavior == BAD_KEEP) | |
1734 { | |
1735 mch_memmove(dst, src, bytelen); | |
1736 dst += bytelen; | |
1737 } | |
1738 else | |
1739 *dst++ = bad_char_behavior; | |
1740 } | |
1741 } | |
1742 | |
1743 src += bytelen; | |
1744 size -= bytelen; | |
7 | 1745 } |
595 | 1746 |
1747 if (size > 0) | |
7 | 1748 { |
595 | 1749 /* An incomplete byte sequence remaining. */ |
1750 mch_memmove(conv_rest, src, size); | |
1751 conv_restlen = size; | |
7 | 1752 } |
595 | 1753 |
1754 /* The new size is equal to how much "dst" was advanced. */ | |
835 | 1755 size = (long)(dst - ptr); |
7 | 1756 } |
1757 else | |
1758 # endif | |
765 | 1759 # ifdef MACOS_CONVERT |
7 | 1760 if (fio_flags & FIO_MACROMAN) |
1761 { | |
1762 /* | |
1763 * Conversion from Apple MacRoman char encoding to UTF-8 or | |
18 | 1764 * latin1. This is in os_mac_conv.c. |
7 | 1765 */ |
18 | 1766 if (macroman2enc(ptr, &size, real_size) == FAIL) |
7 | 1767 goto rewind_retry; |
1768 } | |
1769 else | |
1770 # endif | |
1771 if (fio_flags != 0) | |
1772 { | |
1773 int u8c; | |
1774 char_u *dest; | |
1775 char_u *tail = NULL; | |
1776 | |
1777 /* | |
1778 * "enc_utf8" set: Convert Unicode or Latin1 to UTF-8. | |
1779 * "enc_utf8" not set: Convert Unicode to Latin1. | |
1780 * Go from end to start through the buffer, because the number | |
1781 * of bytes may increase. | |
1782 * "dest" points to after where the UTF-8 bytes go, "p" points | |
1783 * to after the next character to convert. | |
1784 */ | |
1785 dest = ptr + real_size; | |
1786 if (fio_flags == FIO_LATIN1 || fio_flags == FIO_UTF8) | |
1787 { | |
1788 p = ptr + size; | |
1789 if (fio_flags == FIO_UTF8) | |
1790 { | |
1791 /* Check for a trailing incomplete UTF-8 sequence */ | |
1792 tail = ptr + size - 1; | |
1793 while (tail > ptr && (*tail & 0xc0) == 0x80) | |
1794 --tail; | |
1795 if (tail + utf_byte2len(*tail) <= ptr + size) | |
1796 tail = NULL; | |
1797 else | |
1798 p = tail; | |
1799 } | |
1800 } | |
1801 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
1802 { | |
1803 /* Check for a trailing byte */ | |
1804 p = ptr + (size & ~1); | |
1805 if (size & 1) | |
1806 tail = p; | |
1807 if ((fio_flags & FIO_UTF16) && p > ptr) | |
1808 { | |
1809 /* Check for a trailing leading word */ | |
1810 if (fio_flags & FIO_ENDIAN_L) | |
1811 { | |
1812 u8c = (*--p << 8); | |
1813 u8c += *--p; | |
1814 } | |
1815 else | |
1816 { | |
1817 u8c = *--p; | |
1818 u8c += (*--p << 8); | |
1819 } | |
1820 if (u8c >= 0xd800 && u8c <= 0xdbff) | |
1821 tail = p; | |
1822 else | |
1823 p += 2; | |
1824 } | |
1825 } | |
1826 else /* FIO_UCS4 */ | |
1827 { | |
1828 /* Check for trailing 1, 2 or 3 bytes */ | |
1829 p = ptr + (size & ~3); | |
1830 if (size & 3) | |
1831 tail = p; | |
1832 } | |
1833 | |
1834 /* If there is a trailing incomplete sequence move it to | |
1835 * conv_rest[]. */ | |
1836 if (tail != NULL) | |
1837 { | |
1838 conv_restlen = (int)((ptr + size) - tail); | |
1839 mch_memmove(conv_rest, (char_u *)tail, conv_restlen); | |
1840 size -= conv_restlen; | |
1841 } | |
1842 | |
1843 | |
1844 while (p > ptr) | |
1845 { | |
1846 if (fio_flags & FIO_LATIN1) | |
1847 u8c = *--p; | |
1848 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
1849 { | |
1850 if (fio_flags & FIO_ENDIAN_L) | |
1851 { | |
1852 u8c = (*--p << 8); | |
1853 u8c += *--p; | |
1854 } | |
1855 else | |
1856 { | |
1857 u8c = *--p; | |
1858 u8c += (*--p << 8); | |
1859 } | |
1860 if ((fio_flags & FIO_UTF16) | |
1861 && u8c >= 0xdc00 && u8c <= 0xdfff) | |
1862 { | |
1863 int u16c; | |
1864 | |
1865 if (p == ptr) | |
1866 { | |
1867 /* Missing leading word. */ | |
1868 if (can_retry) | |
1869 goto rewind_retry; | |
595 | 1870 if (conv_error == 0) |
1871 conv_error = readfile_linenr(linecnt, | |
1872 ptr, p); | |
1873 if (bad_char_behavior == BAD_DROP) | |
1874 continue; | |
1875 if (bad_char_behavior != BAD_KEEP) | |
1876 u8c = bad_char_behavior; | |
7 | 1877 } |
1878 | |
1879 /* found second word of double-word, get the first | |
1880 * word and compute the resulting character */ | |
1881 if (fio_flags & FIO_ENDIAN_L) | |
1882 { | |
1883 u16c = (*--p << 8); | |
1884 u16c += *--p; | |
1885 } | |
1886 else | |
1887 { | |
1888 u16c = *--p; | |
1889 u16c += (*--p << 8); | |
1890 } | |
595 | 1891 u8c = 0x10000 + ((u16c & 0x3ff) << 10) |
1892 + (u8c & 0x3ff); | |
1893 | |
7 | 1894 /* Check if the word is indeed a leading word. */ |
1895 if (u16c < 0xd800 || u16c > 0xdbff) | |
1896 { | |
1897 if (can_retry) | |
1898 goto rewind_retry; | |
595 | 1899 if (conv_error == 0) |
1900 conv_error = readfile_linenr(linecnt, | |
1901 ptr, p); | |
1902 if (bad_char_behavior == BAD_DROP) | |
1903 continue; | |
1904 if (bad_char_behavior != BAD_KEEP) | |
1905 u8c = bad_char_behavior; | |
7 | 1906 } |
1907 } | |
1908 } | |
1909 else if (fio_flags & FIO_UCS4) | |
1910 { | |
1911 if (fio_flags & FIO_ENDIAN_L) | |
1912 { | |
1913 u8c = (*--p << 24); | |
1914 u8c += (*--p << 16); | |
1915 u8c += (*--p << 8); | |
1916 u8c += *--p; | |
1917 } | |
1918 else /* big endian */ | |
1919 { | |
1920 u8c = *--p; | |
1921 u8c += (*--p << 8); | |
1922 u8c += (*--p << 16); | |
1923 u8c += (*--p << 24); | |
1924 } | |
1925 } | |
1926 else /* UTF-8 */ | |
1927 { | |
1928 if (*--p < 0x80) | |
1929 u8c = *p; | |
1930 else | |
1931 { | |
1932 len = utf_head_off(ptr, p); | |
595 | 1933 p -= len; |
1934 u8c = utf_ptr2char(p); | |
7 | 1935 if (len == 0) |
1936 { | |
1937 /* Not a valid UTF-8 character, retry with | |
1938 * another fenc when possible, otherwise just | |
1939 * report the error. */ | |
1940 if (can_retry) | |
1941 goto rewind_retry; | |
595 | 1942 if (conv_error == 0) |
1943 conv_error = readfile_linenr(linecnt, | |
1944 ptr, p); | |
1945 if (bad_char_behavior == BAD_DROP) | |
1946 continue; | |
1947 if (bad_char_behavior != BAD_KEEP) | |
1948 u8c = bad_char_behavior; | |
7 | 1949 } |
1950 } | |
1951 } | |
1952 if (enc_utf8) /* produce UTF-8 */ | |
1953 { | |
1954 dest -= utf_char2len(u8c); | |
1955 (void)utf_char2bytes(u8c, dest); | |
1956 } | |
1957 else /* produce Latin1 */ | |
1958 { | |
1959 --dest; | |
1960 if (u8c >= 0x100) | |
1961 { | |
1962 /* character doesn't fit in latin1, retry with | |
1963 * another fenc when possible, otherwise just | |
1964 * report the error. */ | |
595 | 1965 if (can_retry) |
7 | 1966 goto rewind_retry; |
595 | 1967 if (conv_error == 0) |
1968 conv_error = readfile_linenr(linecnt, ptr, p); | |
1969 if (bad_char_behavior == BAD_DROP) | |
1970 ++dest; | |
1971 else if (bad_char_behavior == BAD_KEEP) | |
1972 *dest = u8c; | |
1973 else if (eap != NULL && eap->bad_char != 0) | |
1974 *dest = bad_char_behavior; | |
1975 else | |
1976 *dest = 0xBF; | |
7 | 1977 } |
1978 else | |
1979 *dest = u8c; | |
1980 } | |
1981 } | |
1982 | |
1983 /* move the linerest to before the converted characters */ | |
1984 line_start = dest - linerest; | |
1985 mch_memmove(line_start, buffer, (size_t)linerest); | |
1986 size = (long)((ptr + real_size) - dest); | |
1987 ptr = dest; | |
1988 } | |
1597 | 1989 else if (enc_utf8 && !curbuf->b_p_bin) |
1990 { | |
1991 int incomplete_tail = FALSE; | |
1992 | |
1993 /* Reading UTF-8: Check if the bytes are valid UTF-8. */ | |
1994 for (p = ptr; ; ++p) | |
7 | 1995 { |
835 | 1996 int todo = (int)((ptr + size) - p); |
595 | 1997 int l; |
1998 | |
1999 if (todo <= 0) | |
2000 break; | |
7 | 2001 if (*p >= 0x80) |
2002 { | |
2003 /* A length of 1 means it's an illegal byte. Accept | |
2004 * an incomplete character at the end though, the next | |
2005 * read() will get the next bytes, we'll check it | |
2006 * then. */ | |
595 | 2007 l = utf_ptr2len_len(p, todo); |
1597 | 2008 if (l > todo && !incomplete_tail) |
7 | 2009 { |
1597 | 2010 /* Avoid retrying with a different encoding when |
2011 * a truncated file is more likely, or attempting | |
2012 * to read the rest of an incomplete sequence when | |
2013 * we have already done so. */ | |
2014 if (p > ptr || filesize > 0) | |
2015 incomplete_tail = TRUE; | |
2016 /* Incomplete byte sequence, move it to conv_rest[] | |
2017 * and try to read the rest of it, unless we've | |
2018 * already done so. */ | |
2019 if (p > ptr) | |
2020 { | |
2021 conv_restlen = todo; | |
2022 mch_memmove(conv_rest, p, conv_restlen); | |
2023 size -= conv_restlen; | |
2024 break; | |
2025 } | |
7 | 2026 } |
1597 | 2027 if (l == 1 || l > todo) |
595 | 2028 { |
2029 /* Illegal byte. If we can try another encoding | |
1597 | 2030 * do that, unless at EOF where a truncated |
2031 * file is more likely than a conversion error. */ | |
2032 if (can_retry && !incomplete_tail) | |
595 | 2033 break; |
2034 # ifdef USE_ICONV | |
2035 /* When we did a conversion report an error. */ | |
2036 if (iconv_fd != (iconv_t)-1 && conv_error == 0) | |
2037 conv_error = readfile_linenr(linecnt, ptr, p); | |
2038 # endif | |
1597 | 2039 /* Remember the first linenr with an illegal byte */ |
2040 if (conv_error == 0 && illegal_byte == 0) | |
2041 illegal_byte = readfile_linenr(linecnt, ptr, p); | |
595 | 2042 |
2043 /* Drop, keep or replace the bad byte. */ | |
2044 if (bad_char_behavior == BAD_DROP) | |
2045 { | |
1597 | 2046 mch_memmove(p, p + 1, todo - 1); |
595 | 2047 --p; |
2048 --size; | |
2049 } | |
2050 else if (bad_char_behavior != BAD_KEEP) | |
2051 *p = bad_char_behavior; | |
2052 } | |
1597 | 2053 else |
2054 p += l - 1; | |
7 | 2055 } |
2056 } | |
1597 | 2057 if (p < ptr + size && !incomplete_tail) |
7 | 2058 { |
2059 /* Detected a UTF-8 error. */ | |
2060 rewind_retry: | |
595 | 2061 /* Retry reading with another conversion. */ |
7 | 2062 # if defined(FEAT_EVAL) && defined(USE_ICONV) |
595 | 2063 if (*p_ccv != NUL && iconv_fd != (iconv_t)-1) |
2064 /* iconv() failed, try 'charconvert' */ | |
2065 did_iconv = TRUE; | |
7 | 2066 else |
2067 # endif | |
595 | 2068 /* use next item from 'fileencodings' */ |
2069 advance_fenc = TRUE; | |
2070 file_rewind = TRUE; | |
2071 goto retry; | |
7 | 2072 } |
2073 } | |
2074 #endif | |
2075 | |
2076 /* count the number of characters (after conversion!) */ | |
2077 filesize += size; | |
2078 | |
2079 /* | |
2080 * when reading the first part of a file: guess EOL type | |
2081 */ | |
2082 if (fileformat == EOL_UNKNOWN) | |
2083 { | |
2084 /* First try finding a NL, for Dos and Unix */ | |
2085 if (try_dos || try_unix) | |
2086 { | |
2087 for (p = ptr; p < ptr + size; ++p) | |
2088 { | |
2089 if (*p == NL) | |
2090 { | |
2091 if (!try_unix | |
2092 || (try_dos && p > ptr && p[-1] == CAR)) | |
2093 fileformat = EOL_DOS; | |
2094 else | |
2095 fileformat = EOL_UNIX; | |
2096 break; | |
2097 } | |
2098 } | |
2099 | |
2100 /* Don't give in to EOL_UNIX if EOL_MAC is more likely */ | |
2101 if (fileformat == EOL_UNIX && try_mac) | |
2102 { | |
2103 /* Need to reset the counters when retrying fenc. */ | |
2104 try_mac = 1; | |
2105 try_unix = 1; | |
2106 for (; p >= ptr && *p != CAR; p--) | |
2107 ; | |
2108 if (p >= ptr) | |
2109 { | |
2110 for (p = ptr; p < ptr + size; ++p) | |
2111 { | |
2112 if (*p == NL) | |
2113 try_unix++; | |
2114 else if (*p == CAR) | |
2115 try_mac++; | |
2116 } | |
2117 if (try_mac > try_unix) | |
2118 fileformat = EOL_MAC; | |
2119 } | |
2120 } | |
2121 } | |
2122 | |
2123 /* No NL found: may use Mac format */ | |
2124 if (fileformat == EOL_UNKNOWN && try_mac) | |
2125 fileformat = EOL_MAC; | |
2126 | |
2127 /* Still nothing found? Use first format in 'ffs' */ | |
2128 if (fileformat == EOL_UNKNOWN) | |
2129 fileformat = default_fileformat(); | |
2130 | |
2131 /* if editing a new file: may set p_tx and p_ff */ | |
819 | 2132 if (set_options) |
7 | 2133 set_fileformat(fileformat, OPT_LOCAL); |
2134 } | |
2135 } | |
2136 | |
2137 /* | |
2138 * This loop is executed once for every character read. | |
2139 * Keep it fast! | |
2140 */ | |
2141 if (fileformat == EOL_MAC) | |
2142 { | |
2143 --ptr; | |
2144 while (++ptr, --size >= 0) | |
2145 { | |
2146 /* catch most common case first */ | |
2147 if ((c = *ptr) != NUL && c != CAR && c != NL) | |
2148 continue; | |
2149 if (c == NUL) | |
2150 *ptr = NL; /* NULs are replaced by newlines! */ | |
2151 else if (c == NL) | |
2152 *ptr = CAR; /* NLs are replaced by CRs! */ | |
2153 else | |
2154 { | |
2155 if (skip_count == 0) | |
2156 { | |
2157 *ptr = NUL; /* end of line */ | |
2158 len = (colnr_T) (ptr - line_start + 1); | |
2159 if (ml_append(lnum, line_start, len, newfile) == FAIL) | |
2160 { | |
2161 error = TRUE; | |
2162 break; | |
2163 } | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2164 #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
|
2165 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
|
2166 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
|
2167 #endif |
7 | 2168 ++lnum; |
2169 if (--read_count == 0) | |
2170 { | |
2171 error = TRUE; /* break loop */ | |
2172 line_start = ptr; /* nothing left to write */ | |
2173 break; | |
2174 } | |
2175 } | |
2176 else | |
2177 --skip_count; | |
2178 line_start = ptr + 1; | |
2179 } | |
2180 } | |
2181 } | |
2182 else | |
2183 { | |
2184 --ptr; | |
2185 while (++ptr, --size >= 0) | |
2186 { | |
2187 if ((c = *ptr) != NUL && c != NL) /* catch most common case */ | |
2188 continue; | |
2189 if (c == NUL) | |
2190 *ptr = NL; /* NULs are replaced by newlines! */ | |
2191 else | |
2192 { | |
2193 if (skip_count == 0) | |
2194 { | |
2195 *ptr = NUL; /* end of line */ | |
2196 len = (colnr_T)(ptr - line_start + 1); | |
2197 if (fileformat == EOL_DOS) | |
2198 { | |
2199 if (ptr[-1] == CAR) /* remove CR */ | |
2200 { | |
2201 ptr[-1] = NUL; | |
2202 --len; | |
2203 } | |
2204 /* | |
2205 * Reading in Dos format, but no CR-LF found! | |
2206 * When 'fileformats' includes "unix", delete all | |
2207 * the lines read so far and start all over again. | |
2208 * Otherwise give an error message later. | |
2209 */ | |
2210 else if (ff_error != EOL_DOS) | |
2211 { | |
2212 if ( try_unix | |
2213 && !read_stdin | |
2214 && (read_buffer | |
2215 || lseek(fd, (off_t)0L, SEEK_SET) == 0)) | |
2216 { | |
2217 fileformat = EOL_UNIX; | |
819 | 2218 if (set_options) |
7 | 2219 set_fileformat(EOL_UNIX, OPT_LOCAL); |
2220 file_rewind = TRUE; | |
2221 keep_fileformat = TRUE; | |
2222 goto retry; | |
2223 } | |
2224 ff_error = EOL_DOS; | |
2225 } | |
2226 } | |
2227 if (ml_append(lnum, line_start, len, newfile) == FAIL) | |
2228 { | |
2229 error = TRUE; | |
2230 break; | |
2231 } | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2232 #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
|
2233 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
|
2234 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
|
2235 #endif |
7 | 2236 ++lnum; |
2237 if (--read_count == 0) | |
2238 { | |
2239 error = TRUE; /* break loop */ | |
2240 line_start = ptr; /* nothing left to write */ | |
2241 break; | |
2242 } | |
2243 } | |
2244 else | |
2245 --skip_count; | |
2246 line_start = ptr + 1; | |
2247 } | |
2248 } | |
2249 } | |
2250 linerest = (long)(ptr - line_start); | |
2251 ui_breakcheck(); | |
2252 } | |
2253 | |
2254 failed: | |
2255 /* not an error, max. number of lines reached */ | |
2256 if (error && read_count == 0) | |
2257 error = FALSE; | |
2258 | |
2259 /* | |
2260 * If we get EOF in the middle of a line, note the fact and | |
2261 * complete the line ourselves. | |
2262 * In Dos format ignore a trailing CTRL-Z, unless 'binary' set. | |
2263 */ | |
2264 if (!error | |
2265 && !got_int | |
2266 && linerest != 0 | |
2267 && !(!curbuf->b_p_bin | |
2268 && fileformat == EOL_DOS | |
2269 && *line_start == Ctrl_Z | |
2270 && ptr == line_start + 1)) | |
2271 { | |
819 | 2272 /* remember for when writing */ |
2273 if (set_options) | |
7 | 2274 curbuf->b_p_eol = FALSE; |
2275 *ptr = NUL; | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2276 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
|
2277 if (ml_append(lnum, line_start, len, newfile) == FAIL) |
7 | 2278 error = TRUE; |
2279 else | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2280 { |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2281 #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
|
2282 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
|
2283 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
|
2284 #endif |
7 | 2285 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
|
2286 } |
7 | 2287 } |
2288 | |
819 | 2289 if (set_options) |
7 | 2290 save_file_ff(curbuf); /* remember the current file format */ |
2291 | |
2292 #ifdef FEAT_CRYPT | |
2267 | 2293 if (cryptkey != NULL) |
2294 { | |
2295 crypt_pop_state(); | |
2296 if (cryptkey != curbuf->b_p_key) | |
2297 free_crypt_key(cryptkey); | |
2298 /* don't set cryptkey to NULL, it's used below as a flag that | |
2299 * encryption was used */ | |
2300 } | |
7 | 2301 #endif |
2302 | |
2303 #ifdef FEAT_MBYTE | |
819 | 2304 /* If editing a new file: set 'fenc' for the current buffer. |
2305 * Also for ":read ++edit file". */ | |
2306 if (set_options) | |
7 | 2307 set_string_option_direct((char_u *)"fenc", -1, fenc, |
694 | 2308 OPT_FREE|OPT_LOCAL, 0); |
7 | 2309 if (fenc_alloced) |
2310 vim_free(fenc); | |
2311 # ifdef USE_ICONV | |
2312 if (iconv_fd != (iconv_t)-1) | |
2313 { | |
2314 iconv_close(iconv_fd); | |
2315 iconv_fd = (iconv_t)-1; | |
2316 } | |
2317 # endif | |
2318 #endif | |
2319 | |
2320 if (!read_buffer && !read_stdin) | |
2321 close(fd); /* errors are ignored */ | |
2003 | 2322 #ifdef HAVE_FD_CLOEXEC |
2323 else | |
2324 { | |
2325 int fdflags = fcntl(fd, F_GETFD); | |
2326 if (fdflags >= 0 && (fdflags & FD_CLOEXEC) == 0) | |
2327 fcntl(fd, F_SETFD, fdflags | FD_CLOEXEC); | |
2328 } | |
2329 #endif | |
7 | 2330 vim_free(buffer); |
2331 | |
2332 #ifdef HAVE_DUP | |
2333 if (read_stdin) | |
2334 { | |
2335 /* Use stderr for stdin, makes shell commands work. */ | |
2336 close(0); | |
1757 | 2337 ignored = dup(2); |
7 | 2338 } |
2339 #endif | |
2340 | |
2341 #ifdef FEAT_MBYTE | |
2342 if (tmpname != NULL) | |
2343 { | |
2344 mch_remove(tmpname); /* delete converted file */ | |
2345 vim_free(tmpname); | |
2346 } | |
2347 #endif | |
2348 --no_wait_return; /* may wait for return now */ | |
2349 | |
2350 /* | |
2351 * In recovery mode everything but autocommands is skipped. | |
2352 */ | |
2353 if (!recoverymode) | |
2354 { | |
2355 /* need to delete the last line, which comes from the empty buffer */ | |
2356 if (newfile && wasempty && !(curbuf->b_ml.ml_flags & ML_EMPTY)) | |
2357 { | |
2358 #ifdef FEAT_NETBEANS_INTG | |
2359 netbeansFireChanges = 0; | |
2360 #endif | |
2361 ml_delete(curbuf->b_ml.ml_line_count, FALSE); | |
2362 #ifdef FEAT_NETBEANS_INTG | |
2363 netbeansFireChanges = 1; | |
2364 #endif | |
2365 --linecnt; | |
2366 } | |
2367 linecnt = curbuf->b_ml.ml_line_count - linecnt; | |
2368 if (filesize == 0) | |
2369 linecnt = 0; | |
2370 if (newfile || read_buffer) | |
1201 | 2371 { |
7 | 2372 redraw_curbuf_later(NOT_VALID); |
1201 | 2373 #ifdef FEAT_DIFF |
2374 /* After reading the text into the buffer the diff info needs to | |
2375 * be updated. */ | |
2376 diff_invalidate(curbuf); | |
2377 #endif | |
2378 #ifdef FEAT_FOLDING | |
2379 /* All folds in the window are invalid now. Mark them for update | |
2380 * before triggering autocommands. */ | |
2381 foldUpdateAll(curwin); | |
2382 #endif | |
2383 } | |
7 | 2384 else if (linecnt) /* appended at least one line */ |
2385 appended_lines_mark(from, linecnt); | |
2386 | |
2387 #ifndef ALWAYS_USE_GUI | |
2388 /* | |
2389 * If we were reading from the same terminal as where messages go, | |
2390 * the screen will have been messed up. | |
2391 * Switch on raw mode now and clear the screen. | |
2392 */ | |
2393 if (read_stdin) | |
2394 { | |
2395 settmode(TMODE_RAW); /* set to raw mode */ | |
2396 starttermcap(); | |
2397 screenclear(); | |
2398 } | |
2399 #endif | |
2400 | |
2401 if (got_int) | |
2402 { | |
2403 if (!(flags & READ_DUMMY)) | |
2404 { | |
2405 filemess(curbuf, sfname, (char_u *)_(e_interr), 0); | |
2406 if (newfile) | |
2407 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
2408 } | |
2409 msg_scroll = msg_save; | |
2410 #ifdef FEAT_VIMINFO | |
2411 check_marks_read(); | |
2412 #endif | |
2413 return OK; /* an interrupt isn't really an error */ | |
2414 } | |
2415 | |
2416 if (!filtering && !(flags & READ_DUMMY)) | |
2417 { | |
2418 msg_add_fname(curbuf, sfname); /* fname in IObuff with quotes */ | |
2419 c = FALSE; | |
2420 | |
2421 #ifdef UNIX | |
2422 # ifdef S_ISFIFO | |
2423 if (S_ISFIFO(perm)) /* fifo or socket */ | |
2424 { | |
2425 STRCAT(IObuff, _("[fifo/socket]")); | |
2426 c = TRUE; | |
2427 } | |
2428 # else | |
2429 # ifdef S_IFIFO | |
2430 if ((perm & S_IFMT) == S_IFIFO) /* fifo */ | |
2431 { | |
2432 STRCAT(IObuff, _("[fifo]")); | |
2433 c = TRUE; | |
2434 } | |
2435 # endif | |
2436 # ifdef S_IFSOCK | |
2437 if ((perm & S_IFMT) == S_IFSOCK) /* or socket */ | |
2438 { | |
2439 STRCAT(IObuff, _("[socket]")); | |
2440 c = TRUE; | |
2441 } | |
2442 # endif | |
2443 # endif | |
1313 | 2444 # ifdef OPEN_CHR_FILES |
2445 if (S_ISCHR(perm)) /* or character special */ | |
2446 { | |
2447 STRCAT(IObuff, _("[character special]")); | |
2448 c = TRUE; | |
2449 } | |
2450 # endif | |
7 | 2451 #endif |
2452 if (curbuf->b_p_ro) | |
2453 { | |
2454 STRCAT(IObuff, shortmess(SHM_RO) ? _("[RO]") : _("[readonly]")); | |
2455 c = TRUE; | |
2456 } | |
2457 if (read_no_eol_lnum) | |
2458 { | |
2459 msg_add_eol(); | |
2460 c = TRUE; | |
2461 } | |
2462 if (ff_error == EOL_DOS) | |
2463 { | |
2464 STRCAT(IObuff, _("[CR missing]")); | |
2465 c = TRUE; | |
2466 } | |
2467 if (split) | |
2468 { | |
2469 STRCAT(IObuff, _("[long lines split]")); | |
2470 c = TRUE; | |
2471 } | |
2472 #ifdef FEAT_MBYTE | |
2473 if (notconverted) | |
2474 { | |
2475 STRCAT(IObuff, _("[NOT converted]")); | |
2476 c = TRUE; | |
2477 } | |
2478 else if (converted) | |
2479 { | |
2480 STRCAT(IObuff, _("[converted]")); | |
2481 c = TRUE; | |
2482 } | |
2483 #endif | |
2484 #ifdef FEAT_CRYPT | |
2485 if (cryptkey != NULL) | |
2486 { | |
2487 STRCAT(IObuff, _("[crypted]")); | |
2488 c = TRUE; | |
2489 } | |
2490 #endif | |
2491 #ifdef FEAT_MBYTE | |
595 | 2492 if (conv_error != 0) |
2493 { | |
2494 sprintf((char *)IObuff + STRLEN(IObuff), | |
2495 _("[CONVERSION ERROR in line %ld]"), (long)conv_error); | |
7 | 2496 c = TRUE; |
2497 } | |
2498 else if (illegal_byte > 0) | |
2499 { | |
2500 sprintf((char *)IObuff + STRLEN(IObuff), | |
2501 _("[ILLEGAL BYTE in line %ld]"), (long)illegal_byte); | |
2502 c = TRUE; | |
2503 } | |
2504 else | |
2505 #endif | |
2506 if (error) | |
2507 { | |
2508 STRCAT(IObuff, _("[READ ERRORS]")); | |
2509 c = TRUE; | |
2510 } | |
2511 if (msg_add_fileformat(fileformat)) | |
2512 c = TRUE; | |
2513 #ifdef FEAT_CRYPT | |
2514 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
|
2515 msg_add_lines(c, (long)linecnt, filesize |
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2516 - CRYPT_MAGIC_LEN |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2517 - crypt_salt_len[use_crypt_method] |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2518 - crypt_seed_len[use_crypt_method]); |
7 | 2519 else |
2520 #endif | |
2521 msg_add_lines(c, (long)linecnt, filesize); | |
2522 | |
2523 vim_free(keep_msg); | |
2524 keep_msg = NULL; | |
2525 msg_scrolled_ign = TRUE; | |
2526 #ifdef ALWAYS_USE_GUI | |
2527 /* Don't show the message when reading stdin, it would end up in a | |
2528 * message box (which might be shown when exiting!) */ | |
2529 if (read_stdin || read_buffer) | |
2530 p = msg_may_trunc(FALSE, IObuff); | |
2531 else | |
2532 #endif | |
2533 p = msg_trunc_attr(IObuff, FALSE, 0); | |
2534 if (read_stdin || read_buffer || restart_edit != 0 | |
540 | 2535 || (msg_scrolled != 0 && !need_wait_return)) |
7 | 2536 /* Need to repeat the message after redrawing when: |
2537 * - When reading from stdin (the screen will be cleared next). | |
2538 * - When restart_edit is set (otherwise there will be a delay | |
2539 * before redrawing). | |
2540 * - When the screen was scrolled but there is no wait-return | |
2541 * prompt. */ | |
679 | 2542 set_keep_msg(p, 0); |
7 | 2543 msg_scrolled_ign = FALSE; |
2544 } | |
2545 | |
2546 /* with errors writing the file requires ":w!" */ | |
2547 if (newfile && (error | |
2548 #ifdef FEAT_MBYTE | |
595 | 2549 || conv_error != 0 |
679 | 2550 || (illegal_byte > 0 && bad_char_behavior != BAD_KEEP) |
7 | 2551 #endif |
2552 )) | |
2553 curbuf->b_p_ro = TRUE; | |
2554 | |
2555 u_clearline(); /* cannot use "U" command after adding lines */ | |
2556 | |
2557 /* | |
2558 * In Ex mode: cursor at last new line. | |
2559 * Otherwise: cursor at first new line. | |
2560 */ | |
2561 if (exmode_active) | |
2562 curwin->w_cursor.lnum = from + linecnt; | |
2563 else | |
2564 curwin->w_cursor.lnum = from + 1; | |
2565 check_cursor_lnum(); | |
2566 beginline(BL_WHITE | BL_FIX); /* on first non-blank */ | |
2567 | |
2568 /* | |
2569 * Set '[ and '] marks to the newly read lines. | |
2570 */ | |
2571 curbuf->b_op_start.lnum = from + 1; | |
2572 curbuf->b_op_start.col = 0; | |
2573 curbuf->b_op_end.lnum = from + linecnt; | |
2574 curbuf->b_op_end.col = 0; | |
696 | 2575 |
2576 #ifdef WIN32 | |
2577 /* | |
2578 * Work around a weird problem: When a file has two links (only | |
2579 * possible on NTFS) and we write through one link, then stat() it | |
1651 | 2580 * through the other link, the timestamp information may be wrong. |
696 | 2581 * It's correct again after reading the file, thus reset the timestamp |
2582 * here. | |
2583 */ | |
2584 if (newfile && !read_stdin && !read_buffer | |
2585 && mch_stat((char *)fname, &st) >= 0) | |
2586 { | |
2587 buf_store_time(curbuf, &st, fname); | |
2588 curbuf->b_mtime_read = curbuf->b_mtime; | |
2589 } | |
2590 #endif | |
7 | 2591 } |
2592 msg_scroll = msg_save; | |
2593 | |
2594 #ifdef FEAT_VIMINFO | |
2595 /* | |
2596 * Get the marks before executing autocommands, so they can be used there. | |
2597 */ | |
2598 check_marks_read(); | |
2599 #endif | |
2600 | |
2601 /* | |
2602 * Trick: We remember if the last line of the read didn't have | |
2603 * an eol for when writing it again. This is required for | |
2604 * ":autocmd FileReadPost *.gz set bin|'[,']!gunzip" to work. | |
2605 */ | |
2606 write_no_eol_lnum = read_no_eol_lnum; | |
2607 | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2608 #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
|
2609 /* |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2610 * 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
|
2611 */ |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2612 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
|
2613 { |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2614 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
|
2615 |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2616 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
|
2617 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
|
2618 } |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2619 #endif |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2620 |
167 | 2621 #ifdef FEAT_AUTOCMD |
7 | 2622 if (!read_stdin && !read_buffer) |
2623 { | |
2624 int m = msg_scroll; | |
2625 int n = msg_scrolled; | |
2626 | |
2627 /* Save the fileformat now, otherwise the buffer will be considered | |
2628 * modified if the format/encoding was automatically detected. */ | |
819 | 2629 if (set_options) |
7 | 2630 save_file_ff(curbuf); |
2631 | |
2632 /* | |
2633 * The output from the autocommands should not overwrite anything and | |
2634 * should not be overwritten: Set msg_scroll, restore its value if no | |
2635 * output was done. | |
2636 */ | |
2637 msg_scroll = TRUE; | |
2638 if (filtering) | |
2639 apply_autocmds_exarg(EVENT_FILTERREADPOST, NULL, sfname, | |
2640 FALSE, curbuf, eap); | |
2641 else if (newfile) | |
2642 apply_autocmds_exarg(EVENT_BUFREADPOST, NULL, sfname, | |
2643 FALSE, curbuf, eap); | |
2644 else | |
2645 apply_autocmds_exarg(EVENT_FILEREADPOST, sfname, sfname, | |
2646 FALSE, NULL, eap); | |
2647 if (msg_scrolled == n) | |
2648 msg_scroll = m; | |
2649 #ifdef FEAT_EVAL | |
2650 if (aborting()) /* autocmds may abort script processing */ | |
2651 return FAIL; | |
2652 #endif | |
2653 } | |
2654 #endif | |
2655 | |
2656 if (recoverymode && error) | |
2657 return FAIL; | |
2658 return OK; | |
2659 } | |
2660 | |
1313 | 2661 #ifdef OPEN_CHR_FILES |
2662 /* | |
2663 * Returns TRUE if the file name argument is of the form "/dev/fd/\d\+", | |
2664 * which is the name of files used for process substitution output by | |
2665 * some shells on some operating systems, e.g., bash on SunOS. | |
2666 * Do not accept "/dev/fd/[012]", opening these may hang Vim. | |
2667 */ | |
2668 static int | |
2669 is_dev_fd_file(fname) | |
2670 char_u *fname; | |
2671 { | |
2672 return (STRNCMP(fname, "/dev/fd/", 8) == 0 | |
2673 && VIM_ISDIGIT(fname[8]) | |
2674 && *skipdigits(fname + 9) == NUL | |
2675 && (fname[9] != NUL | |
2676 || (fname[8] != '0' && fname[8] != '1' && fname[8] != '2'))); | |
2677 } | |
2678 #endif | |
2679 | |
595 | 2680 #ifdef FEAT_MBYTE |
2681 | |
2682 /* | |
2683 * From the current line count and characters read after that, estimate the | |
2684 * line number where we are now. | |
2685 * Used for error messages that include a line number. | |
2686 */ | |
2687 static linenr_T | |
2688 readfile_linenr(linecnt, p, endp) | |
2689 linenr_T linecnt; /* line count before reading more bytes */ | |
2690 char_u *p; /* start of more bytes read */ | |
2691 char_u *endp; /* end of more bytes read */ | |
2692 { | |
2693 char_u *s; | |
2694 linenr_T lnum; | |
2695 | |
2696 lnum = curbuf->b_ml.ml_line_count - linecnt + 1; | |
2697 for (s = p; s < endp; ++s) | |
2698 if (*s == '\n') | |
2699 ++lnum; | |
2700 return lnum; | |
2701 } | |
2702 #endif | |
2703 | |
7 | 2704 /* |
612 | 2705 * Fill "*eap" to force the 'fileencoding', 'fileformat' and 'binary to be |
2706 * equal to the buffer "buf". Used for calling readfile(). | |
7 | 2707 * Returns OK or FAIL. |
2708 */ | |
2709 int | |
2710 prep_exarg(eap, buf) | |
2711 exarg_T *eap; | |
2712 buf_T *buf; | |
2713 { | |
2714 eap->cmd = alloc((unsigned)(STRLEN(buf->b_p_ff) | |
2715 #ifdef FEAT_MBYTE | |
2716 + STRLEN(buf->b_p_fenc) | |
2717 #endif | |
2718 + 15)); | |
2719 if (eap->cmd == NULL) | |
2720 return FAIL; | |
2721 | |
2722 #ifdef FEAT_MBYTE | |
2723 sprintf((char *)eap->cmd, "e ++ff=%s ++enc=%s", buf->b_p_ff, buf->b_p_fenc); | |
2724 eap->force_enc = 14 + (int)STRLEN(buf->b_p_ff); | |
612 | 2725 eap->bad_char = buf->b_bad_char; |
7 | 2726 #else |
2727 sprintf((char *)eap->cmd, "e ++ff=%s", buf->b_p_ff); | |
2728 #endif | |
2729 eap->force_ff = 7; | |
612 | 2730 |
2731 eap->force_bin = buf->b_p_bin ? FORCE_BIN : FORCE_NOBIN; | |
819 | 2732 eap->read_edit = FALSE; |
612 | 2733 eap->forceit = FALSE; |
7 | 2734 return OK; |
2735 } | |
2736 | |
2737 #ifdef FEAT_MBYTE | |
2738 /* | |
2739 * Find next fileencoding to use from 'fileencodings'. | |
2740 * "pp" points to fenc_next. It's advanced to the next item. | |
2741 * When there are no more items, an empty string is returned and *pp is set to | |
2742 * NULL. | |
2743 * When *pp is not set to NULL, the result is in allocated memory. | |
2744 */ | |
2745 static char_u * | |
2746 next_fenc(pp) | |
2747 char_u **pp; | |
2748 { | |
2749 char_u *p; | |
2750 char_u *r; | |
2751 | |
2752 if (**pp == NUL) | |
2753 { | |
2754 *pp = NULL; | |
2755 return (char_u *)""; | |
2756 } | |
2757 p = vim_strchr(*pp, ','); | |
2758 if (p == NULL) | |
2759 { | |
2760 r = enc_canonize(*pp); | |
2761 *pp += STRLEN(*pp); | |
2762 } | |
2763 else | |
2764 { | |
2765 r = vim_strnsave(*pp, (int)(p - *pp)); | |
2766 *pp = p + 1; | |
2767 if (r != NULL) | |
2768 { | |
2769 p = enc_canonize(r); | |
2770 vim_free(r); | |
2771 r = p; | |
2772 } | |
2773 } | |
2774 if (r == NULL) /* out of memory */ | |
2775 { | |
2776 r = (char_u *)""; | |
2777 *pp = NULL; | |
2778 } | |
2779 return r; | |
2780 } | |
2781 | |
2782 # ifdef FEAT_EVAL | |
2783 /* | |
2784 * Convert a file with the 'charconvert' expression. | |
2785 * This closes the file which is to be read, converts it and opens the | |
2786 * resulting file for reading. | |
2787 * Returns name of the resulting converted file (the caller should delete it | |
2788 * after reading it). | |
2789 * Returns NULL if the conversion failed ("*fdp" is not set) . | |
2790 */ | |
2791 static char_u * | |
2792 readfile_charconvert(fname, fenc, fdp) | |
2793 char_u *fname; /* name of input file */ | |
2794 char_u *fenc; /* converted from */ | |
2795 int *fdp; /* in/out: file descriptor of file */ | |
2796 { | |
2797 char_u *tmpname; | |
2798 char_u *errmsg = NULL; | |
2799 | |
2800 tmpname = vim_tempname('r'); | |
2801 if (tmpname == NULL) | |
2802 errmsg = (char_u *)_("Can't find temp file for conversion"); | |
2803 else | |
2804 { | |
2805 close(*fdp); /* close the input file, ignore errors */ | |
2806 *fdp = -1; | |
2807 if (eval_charconvert(fenc, enc_utf8 ? (char_u *)"utf-8" : p_enc, | |
2808 fname, tmpname) == FAIL) | |
2809 errmsg = (char_u *)_("Conversion with 'charconvert' failed"); | |
2810 if (errmsg == NULL && (*fdp = mch_open((char *)tmpname, | |
2811 O_RDONLY | O_EXTRA, 0)) < 0) | |
2812 errmsg = (char_u *)_("can't read output of 'charconvert'"); | |
2813 } | |
2814 | |
2815 if (errmsg != NULL) | |
2816 { | |
2817 /* Don't use emsg(), it breaks mappings, the retry with | |
2818 * another type of conversion might still work. */ | |
2819 MSG(errmsg); | |
2820 if (tmpname != NULL) | |
2821 { | |
2822 mch_remove(tmpname); /* delete converted file */ | |
2823 vim_free(tmpname); | |
2824 tmpname = NULL; | |
2825 } | |
2826 } | |
2827 | |
2828 /* If the input file is closed, open it (caller should check for error). */ | |
2829 if (*fdp < 0) | |
2830 *fdp = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
2831 | |
2832 return tmpname; | |
2833 } | |
2834 # endif | |
2835 | |
2836 #endif | |
2837 | |
2838 #ifdef FEAT_VIMINFO | |
2839 /* | |
2840 * Read marks for the current buffer from the viminfo file, when we support | |
2841 * buffer marks and the buffer has a name. | |
2842 */ | |
2843 static void | |
2844 check_marks_read() | |
2845 { | |
2846 if (!curbuf->b_marks_read && get_viminfo_parameter('\'') > 0 | |
2847 && curbuf->b_ffname != NULL) | |
1733 | 2848 read_viminfo(NULL, VIF_WANT_MARKS); |
7 | 2849 |
2850 /* Always set b_marks_read; needed when 'viminfo' is changed to include | |
2851 * the ' parameter after opening a buffer. */ | |
2852 curbuf->b_marks_read = TRUE; | |
2853 } | |
2854 #endif | |
2855 | |
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2856 #if defined(FEAT_CRYPT) || defined(PROTO) |
7 | 2857 /* |
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2858 * Get the crypt method used for a file from "ptr[len]", the magic text at the |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2859 * start of the file. |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2860 * Returns -1 when no encryption used. |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2861 */ |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2862 static int |
2360
d8e4b27cef80
Change 'cryptmethod' from a number to a string option. Make it global-local.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
2863 crypt_method_from_magic(ptr, len) |
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2864 char *ptr; |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2865 int len; |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2866 { |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2867 int i; |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2868 |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2869 for (i = 0; i < (int)(sizeof(crypt_magic) / sizeof(crypt_magic[0])); i++) |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2870 { |
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2871 if (len < (CRYPT_MAGIC_LEN + crypt_salt_len[i] + crypt_seed_len[i])) |
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2872 continue; |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2873 if (memcmp(ptr, crypt_magic[i], CRYPT_MAGIC_LEN) == 0) |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2874 return i; |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2875 } |
2204
c493d6bfde09
A few more changes for encryption. Add test that encrypted file can be read.
Bram Moolenaar <bram@vim.org>
parents:
2180
diff
changeset
|
2876 |
2217
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
2877 i = (int)STRLEN(crypt_magic_head); |
2204
c493d6bfde09
A few more changes for encryption. Add test that encrypted file can be read.
Bram Moolenaar <bram@vim.org>
parents:
2180
diff
changeset
|
2878 if (len >= i && memcmp(ptr, crypt_magic_head, i) == 0) |
c493d6bfde09
A few more changes for encryption. Add test that encrypted file can be read.
Bram Moolenaar <bram@vim.org>
parents:
2180
diff
changeset
|
2879 EMSG(_("E821: File is encrypted with unknown method")); |
c493d6bfde09
A few more changes for encryption. Add test that encrypted file can be read.
Bram Moolenaar <bram@vim.org>
parents:
2180
diff
changeset
|
2880 |
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2881 return -1; |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2882 } |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2883 |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2884 /* |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2885 * Check for magic number used for encryption. Applies to the current buffer. |
7 | 2886 * If found, the magic number is removed from ptr[*sizep] and *sizep and |
2887 * *filesizep are updated. | |
2888 * Return the (new) encryption key, NULL for no encryption. | |
2889 */ | |
2890 static char_u * | |
2267 | 2891 check_for_cryptkey(cryptkey, ptr, sizep, filesizep, newfile, fname, did_ask) |
7 | 2892 char_u *cryptkey; /* previous encryption key or NULL */ |
2893 char_u *ptr; /* pointer to read bytes */ | |
2894 long *sizep; /* length of read bytes */ | |
2241
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
2895 off_t *filesizep; /* nr of bytes used from file */ |
7 | 2896 int newfile; /* editing a new buffer */ |
2267 | 2897 char_u *fname; /* file name to display */ |
2204
c493d6bfde09
A few more changes for encryption. Add test that encrypted file can be read.
Bram Moolenaar <bram@vim.org>
parents:
2180
diff
changeset
|
2898 int *did_ask; /* flag: whether already asked for key */ |
7 | 2899 { |
2360
d8e4b27cef80
Change 'cryptmethod' from a number to a string option. Make it global-local.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
2900 int method = crypt_method_from_magic((char *)ptr, *sizep); |
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2901 |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2902 if (method >= 0) |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2903 { |
2360
d8e4b27cef80
Change 'cryptmethod' from a number to a string option. Make it global-local.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
2904 set_crypt_method(curbuf, method); |
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2905 if (method > 0) |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2906 (void)blowfish_self_test(); |
2204
c493d6bfde09
A few more changes for encryption. Add test that encrypted file can be read.
Bram Moolenaar <bram@vim.org>
parents:
2180
diff
changeset
|
2907 if (cryptkey == NULL && !*did_ask) |
7 | 2908 { |
2909 if (*curbuf->b_p_key) | |
2910 cryptkey = curbuf->b_p_key; | |
2911 else | |
2912 { | |
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2913 /* When newfile is TRUE, store the typed key in the 'key' |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2914 * option and don't free it. bf needs hash of the key saved. |
2204
c493d6bfde09
A few more changes for encryption. Add test that encrypted file can be read.
Bram Moolenaar <bram@vim.org>
parents:
2180
diff
changeset
|
2915 * Don't ask for the key again when first time Enter was hit. |
c493d6bfde09
A few more changes for encryption. Add test that encrypted file can be read.
Bram Moolenaar <bram@vim.org>
parents:
2180
diff
changeset
|
2916 * Happens when retrying to detect encoding. */ |
2267 | 2917 smsg((char_u *)_(need_key_msg), fname); |
2918 msg_scroll = TRUE; | |
7 | 2919 cryptkey = get_crypt_key(newfile, FALSE); |
2204
c493d6bfde09
A few more changes for encryption. Add test that encrypted file can be read.
Bram Moolenaar <bram@vim.org>
parents:
2180
diff
changeset
|
2920 *did_ask = TRUE; |
c493d6bfde09
A few more changes for encryption. Add test that encrypted file can be read.
Bram Moolenaar <bram@vim.org>
parents:
2180
diff
changeset
|
2921 |
7 | 2922 /* check if empty key entered */ |
2923 if (cryptkey != NULL && *cryptkey == NUL) | |
2924 { | |
2925 if (cryptkey != curbuf->b_p_key) | |
2926 vim_free(cryptkey); | |
2927 cryptkey = NULL; | |
2928 } | |
2929 } | |
2930 } | |
2931 | |
2932 if (cryptkey != NULL) | |
2933 { | |
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2934 int seed_len = crypt_seed_len[method]; |
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2935 int salt_len = crypt_salt_len[method]; |
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2936 |
2267 | 2937 crypt_push_state(); |
2938 use_crypt_method = method; | |
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2939 if (method == 0) |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2940 crypt_init_keys(cryptkey); |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2941 else |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2942 { |
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2943 bf_key_init(cryptkey, ptr + CRYPT_MAGIC_LEN, salt_len); |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2944 bf_ofb_init(ptr + CRYPT_MAGIC_LEN + salt_len, seed_len); |
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2945 } |
7 | 2946 |
2947 /* Remove magic number from the text */ | |
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2948 *filesizep += CRYPT_MAGIC_LEN + salt_len + seed_len; |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2949 *sizep -= CRYPT_MAGIC_LEN + salt_len + seed_len; |
2267 | 2950 mch_memmove(ptr, ptr + CRYPT_MAGIC_LEN + salt_len + seed_len, |
2951 (size_t)*sizep); | |
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2952 } |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2953 } |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2954 /* 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
|
2955 * the 'key' option, except when starting up (called with -x argument) */ |
7 | 2956 else if (newfile && *curbuf->b_p_key && !starting) |
2957 set_option_value((char_u *)"key", 0L, (char_u *)"", OPT_LOCAL); | |
2958 | |
2959 return cryptkey; | |
2960 } | |
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2961 |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2962 /* |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2963 * Check for magic number used for encryption. Applies to the current buffer. |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2964 * If found and decryption is possible returns OK; |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2965 */ |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2966 int |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2967 prepare_crypt_read(fp) |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2968 FILE *fp; |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2969 { |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2970 int method; |
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2971 char_u buffer[CRYPT_MAGIC_LEN + CRYPT_SALT_LEN_MAX |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2972 + CRYPT_SEED_LEN_MAX + 2]; |
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2973 |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2974 if (fread(buffer, CRYPT_MAGIC_LEN, 1, fp) != 1) |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2975 return FAIL; |
2360
d8e4b27cef80
Change 'cryptmethod' from a number to a string option. Make it global-local.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
2976 method = crypt_method_from_magic((char *)buffer, |
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2977 CRYPT_MAGIC_LEN + |
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2281
diff
changeset
|
2978 CRYPT_SEED_LEN_MAX + |
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2281
diff
changeset
|
2979 CRYPT_SALT_LEN_MAX); |
2360
d8e4b27cef80
Change 'cryptmethod' from a number to a string option. Make it global-local.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
2980 if (method < 0 || method != get_crypt_method(curbuf)) |
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2981 return FAIL; |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2982 |
2267 | 2983 crypt_push_state(); |
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2984 if (method == 0) |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2985 crypt_init_keys(curbuf->b_p_key); |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2986 else |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2987 { |
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2988 int salt_len = crypt_salt_len[method]; |
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2989 int seed_len = crypt_seed_len[method]; |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2990 |
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2991 if (fread(buffer, salt_len + seed_len, 1, fp) != 1) |
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2992 return FAIL; |
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2993 bf_key_init(curbuf->b_p_key, buffer, salt_len); |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2994 bf_ofb_init(buffer + salt_len, seed_len); |
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2995 } |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2996 return OK; |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2997 } |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2998 |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2999 /* |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3000 * Prepare for writing encrypted bytes for buffer "buf". |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3001 * Returns a pointer to an allocated header of length "*lenp". |
2267 | 3002 * When out of memory returns NULL. |
3003 * Otherwise calls crypt_push_state(), call crypt_pop_state() later. | |
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3004 */ |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3005 char_u * |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3006 prepare_crypt_write(buf, lenp) |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3007 buf_T *buf; |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3008 int *lenp; |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3009 { |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3010 char_u *header; |
2360
d8e4b27cef80
Change 'cryptmethod' from a number to a string option. Make it global-local.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
3011 int seed_len = crypt_seed_len[get_crypt_method(buf)]; |
d8e4b27cef80
Change 'cryptmethod' from a number to a string option. Make it global-local.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
3012 int salt_len = crypt_salt_len[get_crypt_method(buf)]; |
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3013 char_u *salt; |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3014 char_u *seed; |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3015 |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3016 header = alloc_clear(CRYPT_MAGIC_LEN + CRYPT_SALT_LEN_MAX |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3017 + CRYPT_SEED_LEN_MAX + 2); |
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3018 if (header != NULL) |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3019 { |
2267 | 3020 crypt_push_state(); |
2360
d8e4b27cef80
Change 'cryptmethod' from a number to a string option. Make it global-local.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
3021 use_crypt_method = get_crypt_method(buf); /* select zip or blowfish */ |
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3022 vim_strncpy(header, (char_u *)crypt_magic[use_crypt_method], |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3023 CRYPT_MAGIC_LEN); |
2360
d8e4b27cef80
Change 'cryptmethod' from a number to a string option. Make it global-local.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
3024 if (use_crypt_method == 0) |
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3025 crypt_init_keys(buf->b_p_key); |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3026 else |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3027 { |
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3028 /* Using blowfish, add salt and seed. */ |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3029 salt = header + CRYPT_MAGIC_LEN; |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3030 seed = salt + salt_len; |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3031 sha2_seed(salt, salt_len, seed, seed_len); |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3032 bf_key_init(buf->b_p_key, salt, salt_len); |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3033 bf_ofb_init(seed, seed_len); |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3034 } |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3035 } |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3036 *lenp = CRYPT_MAGIC_LEN + salt_len + seed_len; |
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3037 return header; |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3038 } |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3039 |
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3040 #endif /* FEAT_CRYPT */ |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3041 |
7 | 3042 #ifdef UNIX |
3043 static void | |
3044 set_file_time(fname, atime, mtime) | |
3045 char_u *fname; | |
3046 time_t atime; /* access time */ | |
3047 time_t mtime; /* modification time */ | |
3048 { | |
3049 # if defined(HAVE_UTIME) && defined(HAVE_UTIME_H) | |
3050 struct utimbuf buf; | |
3051 | |
3052 buf.actime = atime; | |
3053 buf.modtime = mtime; | |
3054 (void)utime((char *)fname, &buf); | |
3055 # else | |
3056 # if defined(HAVE_UTIMES) | |
3057 struct timeval tvp[2]; | |
3058 | |
3059 tvp[0].tv_sec = atime; | |
3060 tvp[0].tv_usec = 0; | |
3061 tvp[1].tv_sec = mtime; | |
3062 tvp[1].tv_usec = 0; | |
3063 # ifdef NeXT | |
3064 (void)utimes((char *)fname, tvp); | |
3065 # else | |
3066 (void)utimes((char *)fname, (const struct timeval *)&tvp); | |
3067 # endif | |
3068 # endif | |
3069 # endif | |
3070 } | |
3071 #endif /* UNIX */ | |
3072 | |
22 | 3073 #if defined(VMS) && !defined(MIN) |
3074 /* Older DECC compiler for VAX doesn't define MIN() */ | |
3075 # define MIN(a, b) ((a) < (b) ? (a) : (b)) | |
3076 #endif | |
3077 | |
7 | 3078 /* |
1303 | 3079 * Return TRUE if a file appears to be read-only from the file permissions. |
3080 */ | |
3081 int | |
3082 check_file_readonly(fname, perm) | |
3083 char_u *fname; /* full path to file */ | |
3084 int perm; /* known permissions on file */ | |
3085 { | |
3086 #ifndef USE_MCH_ACCESS | |
3087 int fd = 0; | |
3088 #endif | |
3089 | |
3090 return ( | |
3091 #ifdef USE_MCH_ACCESS | |
3092 # ifdef UNIX | |
3093 (perm & 0222) == 0 || | |
3094 # endif | |
3095 mch_access((char *)fname, W_OK) | |
3096 #else | |
3097 (fd = mch_open((char *)fname, O_RDWR | O_EXTRA, 0)) < 0 | |
3098 ? TRUE : (close(fd), FALSE) | |
3099 #endif | |
3100 ); | |
3101 } | |
3102 | |
3103 | |
3104 /* | |
589 | 3105 * buf_write() - write to file "fname" lines "start" through "end" |
7 | 3106 * |
3107 * We do our own buffering here because fwrite() is so slow. | |
3108 * | |
589 | 3109 * If "forceit" is true, we don't care for errors when attempting backups. |
3110 * In case of an error everything possible is done to restore the original | |
1698 | 3111 * file. But when "forceit" is TRUE, we risk losing it. |
589 | 3112 * |
3113 * When "reset_changed" is TRUE and "append" == FALSE and "start" == 1 and | |
3114 * "end" == curbuf->b_ml.ml_line_count, reset curbuf->b_changed. | |
7 | 3115 * |
3116 * This function must NOT use NameBuff (because it's called by autowrite()). | |
3117 * | |
3118 * return FAIL for failure, OK otherwise | |
3119 */ | |
3120 int | |
3121 buf_write(buf, fname, sfname, start, end, eap, append, forceit, | |
3122 reset_changed, filtering) | |
3123 buf_T *buf; | |
3124 char_u *fname; | |
3125 char_u *sfname; | |
3126 linenr_T start, end; | |
3127 exarg_T *eap; /* for forced 'ff' and 'fenc', can be | |
3128 NULL! */ | |
589 | 3129 int append; /* append to the file */ |
7 | 3130 int forceit; |
3131 int reset_changed; | |
3132 int filtering; | |
3133 { | |
3134 int fd; | |
3135 char_u *backup = NULL; | |
3136 int backup_copy = FALSE; /* copy the original file? */ | |
3137 int dobackup; | |
3138 char_u *ffname; | |
3139 char_u *wfname = NULL; /* name of file to write to */ | |
3140 char_u *s; | |
3141 char_u *ptr; | |
3142 char_u c; | |
3143 int len; | |
3144 linenr_T lnum; | |
3145 long nchars; | |
3146 char_u *errmsg = NULL; | |
1947 | 3147 int errmsg_allocated = FALSE; |
7 | 3148 char_u *errnum = NULL; |
3149 char_u *buffer; | |
3150 char_u smallbuf[SMBUFSIZE]; | |
3151 char_u *backup_ext; | |
3152 int bufsize; | |
3153 long perm; /* file permissions */ | |
3154 int retval = OK; | |
3155 int newfile = FALSE; /* TRUE if file doesn't exist yet */ | |
3156 int msg_save = msg_scroll; | |
3157 int overwriting; /* TRUE if writing over original */ | |
3158 int no_eol = FALSE; /* no end-of-line written */ | |
3159 int device = FALSE; /* writing to a device */ | |
3160 struct stat st_old; | |
3161 int prev_got_int = got_int; | |
3162 int file_readonly = FALSE; /* overwritten file is read-only */ | |
3163 static char *err_readonly = "is read-only (cannot override: \"W\" in 'cpoptions')"; | |
3164 #if defined(UNIX) || defined(__EMX__XX) /*XXX fix me sometime? */ | |
3165 int made_writable = FALSE; /* 'w' bit has been set */ | |
3166 #endif | |
3167 /* writing everything */ | |
3168 int whole = (start == 1 && end == buf->b_ml.ml_line_count); | |
3169 #ifdef FEAT_AUTOCMD | |
3170 linenr_T old_line_count = buf->b_ml.ml_line_count; | |
3171 #endif | |
3172 int attr; | |
3173 int fileformat; | |
3174 int write_bin; | |
3175 struct bw_info write_info; /* info for buf_write_bytes() */ | |
3176 #ifdef FEAT_MBYTE | |
3177 int converted = FALSE; | |
3178 int notconverted = FALSE; | |
3179 char_u *fenc; /* effective 'fileencoding' */ | |
3180 char_u *fenc_tofree = NULL; /* allocated "fenc" */ | |
3181 #endif | |
3182 #ifdef HAS_BW_FLAGS | |
3183 int wb_flags = 0; | |
3184 #endif | |
3185 #ifdef HAVE_ACL | |
3186 vim_acl_T acl = NULL; /* ACL copied from original file to | |
3187 backup or new file */ | |
3188 #endif | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
3189 #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
|
3190 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
|
3191 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
|
3192 #endif |
7 | 3193 |
3194 if (fname == NULL || *fname == NUL) /* safety check */ | |
3195 return FAIL; | |
2028 | 3196 if (buf->b_ml.ml_mfp == NULL) |
3197 { | |
3198 /* This can happen during startup when there is a stray "w" in the | |
3199 * vimrc file. */ | |
3200 EMSG(_(e_emptybuf)); | |
3201 return FAIL; | |
3202 } | |
7 | 3203 |
3204 /* | |
3205 * Disallow writing from .exrc and .vimrc in current directory for | |
3206 * security reasons. | |
3207 */ | |
3208 if (check_secure()) | |
3209 return FAIL; | |
3210 | |
3211 /* Avoid a crash for a long name. */ | |
3212 if (STRLEN(fname) >= MAXPATHL) | |
3213 { | |
3214 EMSG(_(e_longname)); | |
3215 return FAIL; | |
3216 } | |
3217 | |
3218 #ifdef FEAT_MBYTE | |
3219 /* must init bw_conv_buf and bw_iconv_fd before jumping to "fail" */ | |
3220 write_info.bw_conv_buf = NULL; | |
3221 write_info.bw_conv_error = FALSE; | |
1947 | 3222 write_info.bw_conv_error_lnum = 0; |
7 | 3223 write_info.bw_restlen = 0; |
3224 # ifdef USE_ICONV | |
3225 write_info.bw_iconv_fd = (iconv_t)-1; | |
3226 # endif | |
3227 #endif | |
3228 | |
167 | 3229 /* After writing a file changedtick changes but we don't want to display |
3230 * the line. */ | |
3231 ex_no_reprint = TRUE; | |
3232 | |
7 | 3233 /* |
3234 * If there is no file name yet, use the one for the written file. | |
3235 * BF_NOTEDITED is set to reflect this (in case the write fails). | |
3236 * Don't do this when the write is for a filter command. | |
589 | 3237 * Don't do this when appending. |
3238 * Only do this when 'cpoptions' contains the 'F' flag. | |
7 | 3239 */ |
633 | 3240 if (buf->b_ffname == NULL |
3241 && reset_changed | |
7 | 3242 && whole |
3243 && buf == curbuf | |
236 | 3244 #ifdef FEAT_QUICKFIX |
3245 && !bt_nofile(buf) | |
3246 #endif | |
7 | 3247 && !filtering |
589 | 3248 && (!append || vim_strchr(p_cpo, CPO_FNAMEAPP) != NULL) |
7 | 3249 && vim_strchr(p_cpo, CPO_FNAMEW) != NULL) |
3250 { | |
633 | 3251 if (set_rw_fname(fname, sfname) == FAIL) |
7 | 3252 return FAIL; |
633 | 3253 buf = curbuf; /* just in case autocmds made "buf" invalid */ |
7 | 3254 } |
3255 | |
3256 if (sfname == NULL) | |
3257 sfname = fname; | |
3258 /* | |
3259 * For Unix: Use the short file name whenever possible. | |
3260 * Avoids problems with networks and when directory names are changed. | |
3261 * Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to | |
3262 * another directory, which we don't detect | |
3263 */ | |
3264 ffname = fname; /* remember full fname */ | |
3265 #ifdef UNIX | |
3266 fname = sfname; | |
3267 #endif | |
3268 | |
3269 if (buf->b_ffname != NULL && fnamecmp(ffname, buf->b_ffname) == 0) | |
3270 overwriting = TRUE; | |
3271 else | |
3272 overwriting = FALSE; | |
3273 | |
3274 if (exiting) | |
3275 settmode(TMODE_COOK); /* when exiting allow typahead now */ | |
3276 | |
3277 ++no_wait_return; /* don't wait for return yet */ | |
3278 | |
3279 /* | |
3280 * Set '[ and '] marks to the lines to be written. | |
3281 */ | |
3282 buf->b_op_start.lnum = start; | |
3283 buf->b_op_start.col = 0; | |
3284 buf->b_op_end.lnum = end; | |
3285 buf->b_op_end.col = 0; | |
3286 | |
3287 #ifdef FEAT_AUTOCMD | |
3288 { | |
3289 aco_save_T aco; | |
3290 int buf_ffname = FALSE; | |
3291 int buf_sfname = FALSE; | |
3292 int buf_fname_f = FALSE; | |
3293 int buf_fname_s = FALSE; | |
3294 int did_cmd = FALSE; | |
17 | 3295 int nofile_err = FALSE; |
161 | 3296 int empty_memline = (buf->b_ml.ml_mfp == NULL); |
7 | 3297 |
3298 /* | |
3299 * Apply PRE aucocommands. | |
3300 * Set curbuf to the buffer to be written. | |
3301 * Careful: The autocommands may call buf_write() recursively! | |
3302 */ | |
3303 if (ffname == buf->b_ffname) | |
3304 buf_ffname = TRUE; | |
3305 if (sfname == buf->b_sfname) | |
3306 buf_sfname = TRUE; | |
3307 if (fname == buf->b_ffname) | |
3308 buf_fname_f = TRUE; | |
3309 if (fname == buf->b_sfname) | |
3310 buf_fname_s = TRUE; | |
3311 | |
3312 /* set curwin/curbuf to buf and save a few things */ | |
3313 aucmd_prepbuf(&aco, buf); | |
3314 | |
3315 if (append) | |
3316 { | |
3317 if (!(did_cmd = apply_autocmds_exarg(EVENT_FILEAPPENDCMD, | |
3318 sfname, sfname, FALSE, curbuf, eap))) | |
17 | 3319 { |
635 | 3320 #ifdef FEAT_QUICKFIX |
18 | 3321 if (overwriting && bt_nofile(curbuf)) |
17 | 3322 nofile_err = TRUE; |
3323 else | |
635 | 3324 #endif |
17 | 3325 apply_autocmds_exarg(EVENT_FILEAPPENDPRE, |
7 | 3326 sfname, sfname, FALSE, curbuf, eap); |
17 | 3327 } |
7 | 3328 } |
3329 else if (filtering) | |
3330 { | |
3331 apply_autocmds_exarg(EVENT_FILTERWRITEPRE, | |
3332 NULL, sfname, FALSE, curbuf, eap); | |
3333 } | |
3334 else if (reset_changed && whole) | |
3335 { | |
3336 if (!(did_cmd = apply_autocmds_exarg(EVENT_BUFWRITECMD, | |
3337 sfname, sfname, FALSE, curbuf, eap))) | |
17 | 3338 { |
635 | 3339 #ifdef FEAT_QUICKFIX |
179 | 3340 if (overwriting && bt_nofile(curbuf)) |
17 | 3341 nofile_err = TRUE; |
3342 else | |
635 | 3343 #endif |
17 | 3344 apply_autocmds_exarg(EVENT_BUFWRITEPRE, |
7 | 3345 sfname, sfname, FALSE, curbuf, eap); |
17 | 3346 } |
7 | 3347 } |
3348 else | |
3349 { | |
3350 if (!(did_cmd = apply_autocmds_exarg(EVENT_FILEWRITECMD, | |
3351 sfname, sfname, FALSE, curbuf, eap))) | |
17 | 3352 { |
635 | 3353 #ifdef FEAT_QUICKFIX |
179 | 3354 if (overwriting && bt_nofile(curbuf)) |
17 | 3355 nofile_err = TRUE; |
3356 else | |
635 | 3357 #endif |
17 | 3358 apply_autocmds_exarg(EVENT_FILEWRITEPRE, |
7 | 3359 sfname, sfname, FALSE, curbuf, eap); |
17 | 3360 } |
7 | 3361 } |
3362 | |
3363 /* restore curwin/curbuf and a few other things */ | |
3364 aucmd_restbuf(&aco); | |
3365 | |
3366 /* | |
3367 * In three situations we return here and don't write the file: | |
3368 * 1. the autocommands deleted or unloaded the buffer. | |
3369 * 2. The autocommands abort script processing. | |
3370 * 3. If one of the "Cmd" autocommands was executed. | |
3371 */ | |
3372 if (!buf_valid(buf)) | |
3373 buf = NULL; | |
161 | 3374 if (buf == NULL || (buf->b_ml.ml_mfp == NULL && !empty_memline) |
532 | 3375 || did_cmd || nofile_err |
3376 #ifdef FEAT_EVAL | |
3377 || aborting() | |
3378 #endif | |
3379 ) | |
7 | 3380 { |
3381 --no_wait_return; | |
3382 msg_scroll = msg_save; | |
17 | 3383 if (nofile_err) |
3384 EMSG(_("E676: No matching autocommands for acwrite buffer")); | |
3385 | |
532 | 3386 if (nofile_err |
3387 #ifdef FEAT_EVAL | |
3388 || aborting() | |
3389 #endif | |
3390 ) | |
7 | 3391 /* An aborting error, interrupt or exception in the |
3392 * autocommands. */ | |
3393 return FAIL; | |
3394 if (did_cmd) | |
3395 { | |
3396 if (buf == NULL) | |
3397 /* The buffer was deleted. We assume it was written | |
3398 * (can't retry anyway). */ | |
3399 return OK; | |
3400 if (overwriting) | |
3401 { | |
3402 /* Assume the buffer was written, update the timestamp. */ | |
3403 ml_timestamp(buf); | |
589 | 3404 if (append) |
3405 buf->b_flags &= ~BF_NEW; | |
3406 else | |
3407 buf->b_flags &= ~BF_WRITE_MASK; | |
7 | 3408 } |
589 | 3409 if (reset_changed && buf->b_changed && !append |
39 | 3410 && (overwriting || vim_strchr(p_cpo, CPO_PLUS) != NULL)) |
7 | 3411 /* Buffer still changed, the autocommands didn't work |
3412 * properly. */ | |
3413 return FAIL; | |
3414 return OK; | |
3415 } | |
3416 #ifdef FEAT_EVAL | |
3417 if (!aborting()) | |
3418 #endif | |
3419 EMSG(_("E203: Autocommands deleted or unloaded buffer to be written")); | |
3420 return FAIL; | |
3421 } | |
3422 | |
3423 /* | |
3424 * The autocommands may have changed the number of lines in the file. | |
3425 * When writing the whole file, adjust the end. | |
3426 * When writing part of the file, assume that the autocommands only | |
3427 * changed the number of lines that are to be written (tricky!). | |
3428 */ | |
3429 if (buf->b_ml.ml_line_count != old_line_count) | |
3430 { | |
3431 if (whole) /* write all */ | |
3432 end = buf->b_ml.ml_line_count; | |
3433 else if (buf->b_ml.ml_line_count > old_line_count) /* more lines */ | |
3434 end += buf->b_ml.ml_line_count - old_line_count; | |
3435 else /* less lines */ | |
3436 { | |
3437 end -= old_line_count - buf->b_ml.ml_line_count; | |
3438 if (end < start) | |
3439 { | |
3440 --no_wait_return; | |
3441 msg_scroll = msg_save; | |
3442 EMSG(_("E204: Autocommand changed number of lines in unexpected way")); | |
3443 return FAIL; | |
3444 } | |
3445 } | |
3446 } | |
3447 | |
3448 /* | |
3449 * The autocommands may have changed the name of the buffer, which may | |
3450 * be kept in fname, ffname and sfname. | |
3451 */ | |
3452 if (buf_ffname) | |
3453 ffname = buf->b_ffname; | |
3454 if (buf_sfname) | |
3455 sfname = buf->b_sfname; | |
3456 if (buf_fname_f) | |
3457 fname = buf->b_ffname; | |
3458 if (buf_fname_s) | |
3459 fname = buf->b_sfname; | |
3460 } | |
3461 #endif | |
3462 | |
3463 #ifdef FEAT_NETBEANS_INTG | |
2210 | 3464 if (netbeans_active() && isNetbeansBuffer(buf)) |
7 | 3465 { |
3466 if (whole) | |
3467 { | |
3468 /* | |
3469 * b_changed can be 0 after an undo, but we still need to write | |
3470 * the buffer to NetBeans. | |
3471 */ | |
3472 if (buf->b_changed || isNetbeansModified(buf)) | |
3473 { | |
33 | 3474 --no_wait_return; /* may wait for return now */ |
3475 msg_scroll = msg_save; | |
3476 netbeans_save_buffer(buf); /* no error checking... */ | |
7 | 3477 return retval; |
3478 } | |
3479 else | |
3480 { | |
3481 errnum = (char_u *)"E656: "; | |
1653 | 3482 errmsg = (char_u *)_("NetBeans disallows writes of unmodified buffers"); |
7 | 3483 buffer = NULL; |
3484 goto fail; | |
3485 } | |
3486 } | |
3487 else | |
3488 { | |
3489 errnum = (char_u *)"E657: "; | |
3490 errmsg = (char_u *)_("Partial writes disallowed for NetBeans buffers"); | |
3491 buffer = NULL; | |
3492 goto fail; | |
3493 } | |
3494 } | |
3495 #endif | |
3496 | |
3497 if (shortmess(SHM_OVER) && !exiting) | |
3498 msg_scroll = FALSE; /* overwrite previous file message */ | |
3499 else | |
3500 msg_scroll = TRUE; /* don't overwrite previous file message */ | |
3501 if (!filtering) | |
3502 filemess(buf, | |
3503 #ifndef UNIX | |
3504 sfname, | |
3505 #else | |
3506 fname, | |
3507 #endif | |
3508 (char_u *)"", 0); /* show that we are busy */ | |
3509 msg_scroll = FALSE; /* always overwrite the file message now */ | |
3510 | |
3511 buffer = alloc(BUFSIZE); | |
3512 if (buffer == NULL) /* can't allocate big buffer, use small | |
3513 * one (to be able to write when out of | |
3514 * memory) */ | |
3515 { | |
3516 buffer = smallbuf; | |
3517 bufsize = SMBUFSIZE; | |
3518 } | |
3519 else | |
3520 bufsize = BUFSIZE; | |
3521 | |
3522 /* | |
3523 * Get information about original file (if there is one). | |
3524 */ | |
3525 #if defined(UNIX) && !defined(ARCHIE) | |
1438 | 3526 st_old.st_dev = 0; |
3527 st_old.st_ino = 0; | |
7 | 3528 perm = -1; |
3529 if (mch_stat((char *)fname, &st_old) < 0) | |
3530 newfile = TRUE; | |
3531 else | |
3532 { | |
3533 perm = st_old.st_mode; | |
3534 if (!S_ISREG(st_old.st_mode)) /* not a file */ | |
3535 { | |
3536 if (S_ISDIR(st_old.st_mode)) | |
3537 { | |
3538 errnum = (char_u *)"E502: "; | |
3539 errmsg = (char_u *)_("is a directory"); | |
3540 goto fail; | |
3541 } | |
3542 if (mch_nodetype(fname) != NODE_WRITABLE) | |
3543 { | |
3544 errnum = (char_u *)"E503: "; | |
3545 errmsg = (char_u *)_("is not a file or writable device"); | |
3546 goto fail; | |
3547 } | |
3548 /* It's a device of some kind (or a fifo) which we can write to | |
3549 * but for which we can't make a backup. */ | |
3550 device = TRUE; | |
3551 newfile = TRUE; | |
3552 perm = -1; | |
3553 } | |
3554 } | |
3555 #else /* !UNIX */ | |
3556 /* | |
3557 * Check for a writable device name. | |
3558 */ | |
3559 c = mch_nodetype(fname); | |
3560 if (c == NODE_OTHER) | |
3561 { | |
3562 errnum = (char_u *)"E503: "; | |
3563 errmsg = (char_u *)_("is not a file or writable device"); | |
3564 goto fail; | |
3565 } | |
3566 if (c == NODE_WRITABLE) | |
3567 { | |
1004 | 3568 # if defined(MSDOS) || defined(MSWIN) || defined(OS2) |
3569 /* MS-Windows allows opening a device, but we will probably get stuck | |
3570 * trying to write to it. */ | |
3571 if (!p_odev) | |
3572 { | |
3573 errnum = (char_u *)"E796: "; | |
3574 errmsg = (char_u *)_("writing to device disabled with 'opendevice' option"); | |
3575 goto fail; | |
3576 } | |
3577 # endif | |
7 | 3578 device = TRUE; |
3579 newfile = TRUE; | |
3580 perm = -1; | |
3581 } | |
3582 else | |
3583 { | |
3584 perm = mch_getperm(fname); | |
3585 if (perm < 0) | |
3586 newfile = TRUE; | |
3587 else if (mch_isdir(fname)) | |
3588 { | |
3589 errnum = (char_u *)"E502: "; | |
3590 errmsg = (char_u *)_("is a directory"); | |
3591 goto fail; | |
3592 } | |
3593 if (overwriting) | |
3594 (void)mch_stat((char *)fname, &st_old); | |
3595 } | |
3596 #endif /* !UNIX */ | |
3597 | |
3598 if (!device && !newfile) | |
3599 { | |
3600 /* | |
3601 * Check if the file is really writable (when renaming the file to | |
3602 * make a backup we won't discover it later). | |
3603 */ | |
1303 | 3604 file_readonly = check_file_readonly(fname, (int)perm); |
3605 | |
7 | 3606 if (!forceit && file_readonly) |
3607 { | |
3608 if (vim_strchr(p_cpo, CPO_FWRITE) != NULL) | |
3609 { | |
3610 errnum = (char_u *)"E504: "; | |
3611 errmsg = (char_u *)_(err_readonly); | |
3612 } | |
3613 else | |
3614 { | |
3615 errnum = (char_u *)"E505: "; | |
3616 errmsg = (char_u *)_("is read-only (add ! to override)"); | |
3617 } | |
3618 goto fail; | |
3619 } | |
3620 | |
3621 /* | |
3622 * Check if the timestamp hasn't changed since reading the file. | |
3623 */ | |
3624 if (overwriting) | |
3625 { | |
3626 retval = check_mtime(buf, &st_old); | |
3627 if (retval == FAIL) | |
3628 goto fail; | |
3629 } | |
3630 } | |
3631 | |
3632 #ifdef HAVE_ACL | |
3633 /* | |
3634 * For systems that support ACL: get the ACL from the original file. | |
3635 */ | |
3636 if (!newfile) | |
3637 acl = mch_get_acl(fname); | |
3638 #endif | |
3639 | |
3640 /* | |
3641 * If 'backupskip' is not empty, don't make a backup for some files. | |
3642 */ | |
3643 dobackup = (p_wb || p_bk || *p_pm != NUL); | |
3644 #ifdef FEAT_WILDIGN | |
3645 if (dobackup && *p_bsk != NUL && match_file_list(p_bsk, sfname, ffname)) | |
3646 dobackup = FALSE; | |
3647 #endif | |
3648 | |
3649 /* | |
3650 * Save the value of got_int and reset it. We don't want a previous | |
3651 * interruption cancel writing, only hitting CTRL-C while writing should | |
3652 * abort it. | |
3653 */ | |
3654 prev_got_int = got_int; | |
3655 got_int = FALSE; | |
3656 | |
3657 /* Mark the buffer as 'being saved' to prevent changed buffer warnings */ | |
3658 buf->b_saving = TRUE; | |
3659 | |
3660 /* | |
3661 * If we are not appending or filtering, the file exists, and the | |
3662 * 'writebackup', 'backup' or 'patchmode' option is set, need a backup. | |
3663 * When 'patchmode' is set also make a backup when appending. | |
3664 * | |
3665 * Do not make any backup, if 'writebackup' and 'backup' are both switched | |
3666 * off. This helps when editing large files on almost-full disks. | |
3667 */ | |
3668 if (!(append && *p_pm == NUL) && !filtering && perm >= 0 && dobackup) | |
3669 { | |
3670 #if defined(UNIX) || defined(WIN32) | |
3671 struct stat st; | |
3672 #endif | |
3673 | |
3674 if ((bkc_flags & BKC_YES) || append) /* "yes" */ | |
3675 backup_copy = TRUE; | |
3676 #if defined(UNIX) || defined(WIN32) | |
3677 else if ((bkc_flags & BKC_AUTO)) /* "auto" */ | |
3678 { | |
3679 int i; | |
3680 | |
3681 # ifdef UNIX | |
3682 /* | |
3683 * Don't rename the file when: | |
3684 * - it's a hard link | |
3685 * - it's a symbolic link | |
3686 * - we don't have write permission in the directory | |
3687 * - we can't set the owner/group of the new file | |
3688 */ | |
3689 if (st_old.st_nlink > 1 | |
3690 || mch_lstat((char *)fname, &st) < 0 | |
3691 || st.st_dev != st_old.st_dev | |
557 | 3692 || st.st_ino != st_old.st_ino |
3693 # ifndef HAVE_FCHOWN | |
3694 || st.st_uid != st_old.st_uid | |
3695 || st.st_gid != st_old.st_gid | |
3696 # endif | |
3697 ) | |
7 | 3698 backup_copy = TRUE; |
3699 else | |
696 | 3700 # else |
3701 # ifdef WIN32 | |
3702 /* On NTFS file systems hard links are possible. */ | |
3703 if (mch_is_linked(fname)) | |
3704 backup_copy = TRUE; | |
3705 else | |
3706 # endif | |
7 | 3707 # endif |
3708 { | |
3709 /* | |
3710 * Check if we can create a file and set the owner/group to | |
3711 * the ones from the original file. | |
3712 * First find a file name that doesn't exist yet (use some | |
3713 * arbitrary numbers). | |
3714 */ | |
3715 STRCPY(IObuff, fname); | |
3716 for (i = 4913; ; i += 123) | |
3717 { | |
3718 sprintf((char *)gettail(IObuff), "%d", i); | |
557 | 3719 if (mch_lstat((char *)IObuff, &st) < 0) |
7 | 3720 break; |
3721 } | |
557 | 3722 fd = mch_open((char *)IObuff, |
3723 O_CREAT|O_WRONLY|O_EXCL|O_NOFOLLOW, perm); | |
7 | 3724 if (fd < 0) /* can't write in directory */ |
3725 backup_copy = TRUE; | |
3726 else | |
3727 { | |
3728 # ifdef UNIX | |
557 | 3729 # ifdef HAVE_FCHOWN |
1757 | 3730 ignored = fchown(fd, st_old.st_uid, st_old.st_gid); |
557 | 3731 # endif |
7 | 3732 if (mch_stat((char *)IObuff, &st) < 0 |
3733 || st.st_uid != st_old.st_uid | |
3734 || st.st_gid != st_old.st_gid | |
1877 | 3735 || (long)st.st_mode != perm) |
7 | 3736 backup_copy = TRUE; |
3737 # endif | |
567 | 3738 /* Close the file before removing it, on MS-Windows we |
3739 * can't delete an open file. */ | |
3740 close(fd); | |
7 | 3741 mch_remove(IObuff); |
3742 } | |
3743 } | |
3744 } | |
3745 | |
3746 # ifdef UNIX | |
3747 /* | |
3748 * Break symlinks and/or hardlinks if we've been asked to. | |
3749 */ | |
3750 if ((bkc_flags & BKC_BREAKSYMLINK) || (bkc_flags & BKC_BREAKHARDLINK)) | |
3751 { | |
3752 int lstat_res; | |
3753 | |
3754 lstat_res = mch_lstat((char *)fname, &st); | |
3755 | |
3756 /* Symlinks. */ | |
3757 if ((bkc_flags & BKC_BREAKSYMLINK) | |
3758 && lstat_res == 0 | |
3759 && st.st_ino != st_old.st_ino) | |
3760 backup_copy = FALSE; | |
3761 | |
3762 /* Hardlinks. */ | |
3763 if ((bkc_flags & BKC_BREAKHARDLINK) | |
3764 && st_old.st_nlink > 1 | |
3765 && (lstat_res != 0 || st.st_ino == st_old.st_ino)) | |
3766 backup_copy = FALSE; | |
3767 } | |
3768 #endif | |
3769 | |
3770 #endif | |
3771 | |
3772 /* make sure we have a valid backup extension to use */ | |
3773 if (*p_bex == NUL) | |
3774 { | |
3775 #ifdef RISCOS | |
3776 backup_ext = (char_u *)"/bak"; | |
3777 #else | |
3778 backup_ext = (char_u *)".bak"; | |
3779 #endif | |
3780 } | |
3781 else | |
3782 backup_ext = p_bex; | |
3783 | |
3784 if (backup_copy | |
3785 && (fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0)) >= 0) | |
3786 { | |
3787 int bfd; | |
3788 char_u *copybuf, *wp; | |
3789 int some_error = FALSE; | |
3790 struct stat st_new; | |
3791 char_u *dirp; | |
3792 char_u *rootname; | |
344 | 3793 #if defined(UNIX) && !defined(SHORT_FNAME) |
7 | 3794 int did_set_shortname; |
3795 #endif | |
3796 | |
3797 copybuf = alloc(BUFSIZE + 1); | |
3798 if (copybuf == NULL) | |
3799 { | |
3800 some_error = TRUE; /* out of memory */ | |
3801 goto nobackup; | |
3802 } | |
3803 | |
3804 /* | |
3805 * Try to make the backup in each directory in the 'bdir' option. | |
3806 * | |
3807 * Unix semantics has it, that we may have a writable file, | |
3808 * that cannot be recreated with a simple open(..., O_CREAT, ) e.g: | |
3809 * - the directory is not writable, | |
3810 * - the file may be a symbolic link, | |
3811 * - the file may belong to another user/group, etc. | |
3812 * | |
3813 * For these reasons, the existing writable file must be truncated | |
3814 * and reused. Creation of a backup COPY will be attempted. | |
3815 */ | |
3816 dirp = p_bdir; | |
3817 while (*dirp) | |
3818 { | |
3819 #ifdef UNIX | |
3820 st_new.st_ino = 0; | |
3821 st_new.st_dev = 0; | |
3822 st_new.st_gid = 0; | |
3823 #endif | |
3824 | |
3825 /* | |
3826 * Isolate one directory name, using an entry in 'bdir'. | |
3827 */ | |
3828 (void)copy_option_part(&dirp, copybuf, BUFSIZE, ","); | |
3829 rootname = get_file_in_dir(fname, copybuf); | |
3830 if (rootname == NULL) | |
3831 { | |
3832 some_error = TRUE; /* out of memory */ | |
3833 goto nobackup; | |
3834 } | |
3835 | |
344 | 3836 #if defined(UNIX) && !defined(SHORT_FNAME) |
7 | 3837 did_set_shortname = FALSE; |
3838 #endif | |
3839 | |
3840 /* | |
3841 * May try twice if 'shortname' not set. | |
3842 */ | |
3843 for (;;) | |
3844 { | |
3845 /* | |
3846 * Make backup file name. | |
3847 */ | |
3848 backup = buf_modname( | |
3849 #ifdef SHORT_FNAME | |
3850 TRUE, | |
3851 #else | |
3852 (buf->b_p_sn || buf->b_shortname), | |
3853 #endif | |
3854 rootname, backup_ext, FALSE); | |
3855 if (backup == NULL) | |
3856 { | |
3857 vim_free(rootname); | |
3858 some_error = TRUE; /* out of memory */ | |
3859 goto nobackup; | |
3860 } | |
3861 | |
3862 /* | |
3863 * Check if backup file already exists. | |
3864 */ | |
3865 if (mch_stat((char *)backup, &st_new) >= 0) | |
3866 { | |
3867 #ifdef UNIX | |
3868 /* | |
3869 * Check if backup file is same as original file. | |
3870 * May happen when modname() gave the same file back. | |
3871 * E.g. silly link, or file name-length reached. | |
3872 * If we don't check here, we either ruin the file | |
3873 * when copying or erase it after writing. jw. | |
3874 */ | |
3875 if (st_new.st_dev == st_old.st_dev | |
3876 && st_new.st_ino == st_old.st_ino) | |
3877 { | |
3878 vim_free(backup); | |
3879 backup = NULL; /* no backup file to delete */ | |
3880 # ifndef SHORT_FNAME | |
3881 /* | |
3882 * may try again with 'shortname' set | |
3883 */ | |
3884 if (!(buf->b_shortname || buf->b_p_sn)) | |
3885 { | |
3886 buf->b_shortname = TRUE; | |
3887 did_set_shortname = TRUE; | |
3888 continue; | |
3889 } | |
3890 /* setting shortname didn't help */ | |
3891 if (did_set_shortname) | |
3892 buf->b_shortname = FALSE; | |
3893 # endif | |
3894 break; | |
3895 } | |
3896 #endif | |
3897 | |
3898 /* | |
3899 * If we are not going to keep the backup file, don't | |
3900 * delete an existing one, try to use another name. | |
3901 * Change one character, just before the extension. | |
3902 */ | |
3903 if (!p_bk) | |
3904 { | |
3905 wp = backup + STRLEN(backup) - 1 | |
3906 - STRLEN(backup_ext); | |
3907 if (wp < backup) /* empty file name ??? */ | |
3908 wp = backup; | |
3909 *wp = 'z'; | |
3910 while (*wp > 'a' | |
3911 && mch_stat((char *)backup, &st_new) >= 0) | |
3912 --*wp; | |
3913 /* They all exist??? Must be something wrong. */ | |
3914 if (*wp == 'a') | |
3915 { | |
3916 vim_free(backup); | |
3917 backup = NULL; | |
3918 } | |
3919 } | |
3920 } | |
3921 break; | |
3922 } | |
3923 vim_free(rootname); | |
3924 | |
3925 /* | |
3926 * Try to create the backup file | |
3927 */ | |
3928 if (backup != NULL) | |
3929 { | |
3930 /* remove old backup, if present */ | |
3931 mch_remove(backup); | |
3932 /* Open with O_EXCL to avoid the file being created while | |
3933 * we were sleeping (symlink hacker attack?) */ | |
3934 bfd = mch_open((char *)backup, | |
557 | 3935 O_WRONLY|O_CREAT|O_EXTRA|O_EXCL|O_NOFOLLOW, |
3936 perm & 0777); | |
7 | 3937 if (bfd < 0) |
3938 { | |
3939 vim_free(backup); | |
3940 backup = NULL; | |
3941 } | |
3942 else | |
3943 { | |
3944 /* set file protection same as original file, but | |
3945 * strip s-bit */ | |
3946 (void)mch_setperm(backup, perm & 0777); | |
3947 | |
3948 #ifdef UNIX | |
3949 /* | |
3950 * Try to set the group of the backup same as the | |
3951 * original file. If this fails, set the protection | |
3952 * bits for the group same as the protection bits for | |
3953 * others. | |
3954 */ | |
557 | 3955 if (st_new.st_gid != st_old.st_gid |
7 | 3956 # ifdef HAVE_FCHOWN /* sequent-ptx lacks fchown() */ |
557 | 3957 && fchown(bfd, (uid_t)-1, st_old.st_gid) != 0 |
7 | 3958 # endif |
3959 ) | |
3960 mch_setperm(backup, | |
3961 (perm & 0707) | ((perm & 07) << 3)); | |
1583 | 3962 # ifdef HAVE_SELINUX |
3963 mch_copy_sec(fname, backup); | |
3964 # endif | |
7 | 3965 #endif |
3966 | |
3967 /* | |
3968 * copy the file. | |
3969 */ | |
3970 write_info.bw_fd = bfd; | |
3971 write_info.bw_buf = copybuf; | |
3972 #ifdef HAS_BW_FLAGS | |
3973 write_info.bw_flags = FIO_NOCONVERT; | |
3974 #endif | |
3975 while ((write_info.bw_len = vim_read(fd, copybuf, | |
3976 BUFSIZE)) > 0) | |
3977 { | |
3978 if (buf_write_bytes(&write_info) == FAIL) | |
3979 { | |
3980 errmsg = (char_u *)_("E506: Can't write to backup file (add ! to override)"); | |
3981 break; | |
3982 } | |
3983 ui_breakcheck(); | |
3984 if (got_int) | |
3985 { | |
3986 errmsg = (char_u *)_(e_interr); | |
3987 break; | |
3988 } | |
3989 } | |
3990 | |
3991 if (close(bfd) < 0 && errmsg == NULL) | |
3992 errmsg = (char_u *)_("E507: Close error for backup file (add ! to override)"); | |
3993 if (write_info.bw_len < 0) | |
3994 errmsg = (char_u *)_("E508: Can't read file for backup (add ! to override)"); | |
3995 #ifdef UNIX | |
3996 set_file_time(backup, st_old.st_atime, st_old.st_mtime); | |
3997 #endif | |
3998 #ifdef HAVE_ACL | |
3999 mch_set_acl(backup, acl); | |
4000 #endif | |
1583 | 4001 #ifdef HAVE_SELINUX |
4002 mch_copy_sec(fname, backup); | |
4003 #endif | |
7 | 4004 break; |
4005 } | |
4006 } | |
4007 } | |
4008 nobackup: | |
4009 close(fd); /* ignore errors for closing read file */ | |
4010 vim_free(copybuf); | |
4011 | |
4012 if (backup == NULL && errmsg == NULL) | |
4013 errmsg = (char_u *)_("E509: Cannot create backup file (add ! to override)"); | |
4014 /* ignore errors when forceit is TRUE */ | |
4015 if ((some_error || errmsg != NULL) && !forceit) | |
4016 { | |
4017 retval = FAIL; | |
4018 goto fail; | |
4019 } | |
4020 errmsg = NULL; | |
4021 } | |
4022 else | |
4023 { | |
4024 char_u *dirp; | |
4025 char_u *p; | |
4026 char_u *rootname; | |
4027 | |
4028 /* | |
4029 * Make a backup by renaming the original file. | |
4030 */ | |
4031 /* | |
4032 * If 'cpoptions' includes the "W" flag, we don't want to | |
4033 * overwrite a read-only file. But rename may be possible | |
4034 * anyway, thus we need an extra check here. | |
4035 */ | |
4036 if (file_readonly && vim_strchr(p_cpo, CPO_FWRITE) != NULL) | |
4037 { | |
4038 errnum = (char_u *)"E504: "; | |
4039 errmsg = (char_u *)_(err_readonly); | |
4040 goto fail; | |
4041 } | |
4042 | |
4043 /* | |
4044 * | |
4045 * Form the backup file name - change path/fo.o.h to | |
4046 * path/fo.o.h.bak Try all directories in 'backupdir', first one | |
4047 * that works is used. | |
4048 */ | |
4049 dirp = p_bdir; | |
4050 while (*dirp) | |
4051 { | |
4052 /* | |
4053 * Isolate one directory name and make the backup file name. | |
4054 */ | |
4055 (void)copy_option_part(&dirp, IObuff, IOSIZE, ","); | |
4056 rootname = get_file_in_dir(fname, IObuff); | |
4057 if (rootname == NULL) | |
4058 backup = NULL; | |
4059 else | |
4060 { | |
4061 backup = buf_modname( | |
4062 #ifdef SHORT_FNAME | |
4063 TRUE, | |
4064 #else | |
4065 (buf->b_p_sn || buf->b_shortname), | |
4066 #endif | |
4067 rootname, backup_ext, FALSE); | |
4068 vim_free(rootname); | |
4069 } | |
4070 | |
4071 if (backup != NULL) | |
4072 { | |
4073 /* | |
4074 * If we are not going to keep the backup file, don't | |
4075 * delete an existing one, try to use another name. | |
4076 * Change one character, just before the extension. | |
4077 */ | |
4078 if (!p_bk && mch_getperm(backup) >= 0) | |
4079 { | |
4080 p = backup + STRLEN(backup) - 1 - STRLEN(backup_ext); | |
4081 if (p < backup) /* empty file name ??? */ | |
4082 p = backup; | |
4083 *p = 'z'; | |
4084 while (*p > 'a' && mch_getperm(backup) >= 0) | |
4085 --*p; | |
4086 /* They all exist??? Must be something wrong! */ | |
4087 if (*p == 'a') | |
4088 { | |
4089 vim_free(backup); | |
4090 backup = NULL; | |
4091 } | |
4092 } | |
4093 } | |
4094 if (backup != NULL) | |
4095 { | |
4096 /* | |
531 | 4097 * Delete any existing backup and move the current version |
4098 * to the backup. For safety, we don't remove the backup | |
4099 * until the write has finished successfully. And if the | |
4100 * 'backup' option is set, leave it around. | |
7 | 4101 */ |
4102 /* | |
4103 * If the renaming of the original file to the backup file | |
4104 * works, quit here. | |
4105 */ | |
4106 if (vim_rename(fname, backup) == 0) | |
4107 break; | |
4108 | |
4109 vim_free(backup); /* don't do the rename below */ | |
4110 backup = NULL; | |
4111 } | |
4112 } | |
4113 if (backup == NULL && !forceit) | |
4114 { | |
4115 errmsg = (char_u *)_("E510: Can't make backup file (add ! to override)"); | |
4116 goto fail; | |
4117 } | |
4118 } | |
4119 } | |
4120 | |
4121 #if defined(UNIX) && !defined(ARCHIE) | |
4122 /* When using ":w!" and the file was read-only: make it writable */ | |
4123 if (forceit && perm >= 0 && !(perm & 0200) && st_old.st_uid == getuid() | |
4124 && vim_strchr(p_cpo, CPO_FWRITE) == NULL) | |
4125 { | |
4126 perm |= 0200; | |
4127 (void)mch_setperm(fname, perm); | |
4128 made_writable = TRUE; | |
4129 } | |
4130 #endif | |
4131 | |
819 | 4132 /* When using ":w!" and writing to the current file, 'readonly' makes no |
164 | 4133 * sense, reset it, unless 'Z' appears in 'cpoptions'. */ |
4134 if (forceit && overwriting && vim_strchr(p_cpo, CPO_KEEPRO) == NULL) | |
7 | 4135 { |
4136 buf->b_p_ro = FALSE; | |
4137 #ifdef FEAT_TITLE | |
4138 need_maketitle = TRUE; /* set window title later */ | |
4139 #endif | |
4140 #ifdef FEAT_WINDOWS | |
4141 status_redraw_all(); /* redraw status lines later */ | |
4142 #endif | |
4143 } | |
4144 | |
4145 if (end > buf->b_ml.ml_line_count) | |
4146 end = buf->b_ml.ml_line_count; | |
4147 if (buf->b_ml.ml_flags & ML_EMPTY) | |
4148 start = end + 1; | |
4149 | |
4150 /* | |
4151 * If the original file is being overwritten, there is a small chance that | |
4152 * we crash in the middle of writing. Therefore the file is preserved now. | |
4153 * This makes all block numbers positive so that recovery does not need | |
4154 * the original file. | |
4155 * Don't do this if there is a backup file and we are exiting. | |
4156 */ | |
39 | 4157 if (reset_changed && !newfile && overwriting |
7 | 4158 && !(exiting && backup != NULL)) |
4159 { | |
4160 ml_preserve(buf, FALSE); | |
4161 if (got_int) | |
4162 { | |
4163 errmsg = (char_u *)_(e_interr); | |
4164 goto restore_backup; | |
4165 } | |
4166 } | |
4167 | |
4168 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */ | |
4169 /* | |
4170 * Before risking to lose the original file verify if there's | |
4171 * a resource fork to preserve, and if cannot be done warn | |
4172 * the users. This happens when overwriting without backups. | |
4173 */ | |
4174 if (backup == NULL && overwriting && !append) | |
4175 if (mch_has_resource_fork(fname)) | |
4176 { | |
4177 errmsg = (char_u *)_("E460: The resource fork would be lost (add ! to override)"); | |
4178 goto restore_backup; | |
4179 } | |
4180 #endif | |
4181 | |
4182 #ifdef VMS | |
4183 vms_remove_version(fname); /* remove version */ | |
4184 #endif | |
1651 | 4185 /* Default: write the file directly. May write to a temp file for |
7 | 4186 * multi-byte conversion. */ |
4187 wfname = fname; | |
4188 | |
4189 #ifdef FEAT_MBYTE | |
4190 /* Check for forced 'fileencoding' from "++opt=val" argument. */ | |
4191 if (eap != NULL && eap->force_enc != 0) | |
4192 { | |
4193 fenc = eap->cmd + eap->force_enc; | |
4194 fenc = enc_canonize(fenc); | |
4195 fenc_tofree = fenc; | |
4196 } | |
4197 else | |
4198 fenc = buf->b_p_fenc; | |
4199 | |
4200 /* | |
1948 | 4201 * Check if the file needs to be converted. |
7 | 4202 */ |
1948 | 4203 converted = need_conversion(fenc); |
7 | 4204 |
4205 /* | |
4206 * Check if UTF-8 to UCS-2/4 or Latin1 conversion needs to be done. Or | |
4207 * Latin1 to Unicode conversion. This is handled in buf_write_bytes(). | |
4208 * Prepare the flags for it and allocate bw_conv_buf when needed. | |
4209 */ | |
4210 if (converted && (enc_utf8 || STRCMP(p_enc, "latin1") == 0)) | |
4211 { | |
4212 wb_flags = get_fio_flags(fenc); | |
4213 if (wb_flags & (FIO_UCS2 | FIO_UCS4 | FIO_UTF16 | FIO_UTF8)) | |
4214 { | |
4215 /* Need to allocate a buffer to translate into. */ | |
4216 if (wb_flags & (FIO_UCS2 | FIO_UTF16 | FIO_UTF8)) | |
4217 write_info.bw_conv_buflen = bufsize * 2; | |
4218 else /* FIO_UCS4 */ | |
4219 write_info.bw_conv_buflen = bufsize * 4; | |
4220 write_info.bw_conv_buf | |
4221 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
4222 if (write_info.bw_conv_buf == NULL) | |
4223 end = 0; | |
4224 } | |
4225 } | |
4226 | |
4227 # ifdef WIN3264 | |
4228 if (converted && wb_flags == 0 && (wb_flags = get_win_fio_flags(fenc)) != 0) | |
4229 { | |
4230 /* Convert UTF-8 -> UCS-2 and UCS-2 -> DBCS. Worst-case * 4: */ | |
4231 write_info.bw_conv_buflen = bufsize * 4; | |
4232 write_info.bw_conv_buf | |
4233 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
4234 if (write_info.bw_conv_buf == NULL) | |
4235 end = 0; | |
4236 } | |
4237 # endif | |
4238 | |
4239 # ifdef MACOS_X | |
4240 if (converted && wb_flags == 0 && (wb_flags = get_mac_fio_flags(fenc)) != 0) | |
4241 { | |
4242 write_info.bw_conv_buflen = bufsize * 3; | |
4243 write_info.bw_conv_buf | |
4244 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
4245 if (write_info.bw_conv_buf == NULL) | |
4246 end = 0; | |
4247 } | |
4248 # endif | |
4249 | |
4250 # if defined(FEAT_EVAL) || defined(USE_ICONV) | |
4251 if (converted && wb_flags == 0) | |
4252 { | |
4253 # ifdef USE_ICONV | |
4254 /* | |
4255 * Use iconv() conversion when conversion is needed and it's not done | |
4256 * internally. | |
4257 */ | |
4258 write_info.bw_iconv_fd = (iconv_t)my_iconv_open(fenc, | |
4259 enc_utf8 ? (char_u *)"utf-8" : p_enc); | |
4260 if (write_info.bw_iconv_fd != (iconv_t)-1) | |
4261 { | |
4262 /* We're going to use iconv(), allocate a buffer to convert in. */ | |
4263 write_info.bw_conv_buflen = bufsize * ICONV_MULT; | |
4264 write_info.bw_conv_buf | |
4265 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
4266 if (write_info.bw_conv_buf == NULL) | |
4267 end = 0; | |
4268 write_info.bw_first = TRUE; | |
4269 } | |
4270 # ifdef FEAT_EVAL | |
4271 else | |
4272 # endif | |
4273 # endif | |
4274 | |
4275 # ifdef FEAT_EVAL | |
4276 /* | |
4277 * When the file needs to be converted with 'charconvert' after | |
4278 * writing, write to a temp file instead and let the conversion | |
4279 * overwrite the original file. | |
4280 */ | |
4281 if (*p_ccv != NUL) | |
4282 { | |
4283 wfname = vim_tempname('w'); | |
4284 if (wfname == NULL) /* Can't write without a tempfile! */ | |
4285 { | |
4286 errmsg = (char_u *)_("E214: Can't find temp file for writing"); | |
4287 goto restore_backup; | |
4288 } | |
4289 } | |
4290 # endif | |
4291 } | |
4292 # endif | |
4293 if (converted && wb_flags == 0 | |
4294 # ifdef USE_ICONV | |
4295 && write_info.bw_iconv_fd == (iconv_t)-1 | |
4296 # endif | |
4297 # ifdef FEAT_EVAL | |
4298 && wfname == fname | |
4299 # endif | |
4300 ) | |
4301 { | |
4302 if (!forceit) | |
4303 { | |
4304 errmsg = (char_u *)_("E213: Cannot convert (add ! to write without conversion)"); | |
4305 goto restore_backup; | |
4306 } | |
4307 notconverted = TRUE; | |
4308 } | |
4309 #endif | |
4310 | |
4311 /* | |
4312 * Open the file "wfname" for writing. | |
4313 * We may try to open the file twice: If we can't write to the | |
4314 * file and forceit is TRUE we delete the existing file and try to create | |
4315 * a new one. If this still fails we may have lost the original file! | |
4316 * (this may happen when the user reached his quotum for number of files). | |
4317 * Appending will fail if the file does not exist and forceit is FALSE. | |
4318 */ | |
4319 while ((fd = mch_open((char *)wfname, O_WRONLY | O_EXTRA | (append | |
4320 ? (forceit ? (O_APPEND | O_CREAT) : O_APPEND) | |
4321 : (O_CREAT | O_TRUNC)) | |
216 | 4322 , perm < 0 ? 0666 : (perm & 0777))) < 0) |
7 | 4323 { |
4324 /* | |
4325 * A forced write will try to create a new file if the old one is | |
4326 * still readonly. This may also happen when the directory is | |
4327 * read-only. In that case the mch_remove() will fail. | |
4328 */ | |
4329 if (errmsg == NULL) | |
4330 { | |
4331 #ifdef UNIX | |
4332 struct stat st; | |
4333 | |
4334 /* Don't delete the file when it's a hard or symbolic link. */ | |
4335 if ((!newfile && st_old.st_nlink > 1) | |
4336 || (mch_lstat((char *)fname, &st) == 0 | |
4337 && (st.st_dev != st_old.st_dev | |
4338 || st.st_ino != st_old.st_ino))) | |
4339 errmsg = (char_u *)_("E166: Can't open linked file for writing"); | |
4340 else | |
4341 #endif | |
4342 { | |
4343 errmsg = (char_u *)_("E212: Can't open file for writing"); | |
4344 if (forceit && vim_strchr(p_cpo, CPO_FWRITE) == NULL | |
4345 && perm >= 0) | |
4346 { | |
4347 #ifdef UNIX | |
4348 /* we write to the file, thus it should be marked | |
4349 writable after all */ | |
4350 if (!(perm & 0200)) | |
4351 made_writable = TRUE; | |
4352 perm |= 0200; | |
4353 if (st_old.st_uid != getuid() || st_old.st_gid != getgid()) | |
4354 perm &= 0777; | |
4355 #endif | |
4356 if (!append) /* don't remove when appending */ | |
4357 mch_remove(wfname); | |
4358 continue; | |
4359 } | |
4360 } | |
4361 } | |
4362 | |
4363 restore_backup: | |
4364 { | |
4365 struct stat st; | |
4366 | |
4367 /* | |
4368 * If we failed to open the file, we don't need a backup. Throw it | |
4369 * away. If we moved or removed the original file try to put the | |
4370 * backup in its place. | |
4371 */ | |
4372 if (backup != NULL && wfname == fname) | |
4373 { | |
4374 if (backup_copy) | |
4375 { | |
4376 /* | |
4377 * There is a small chance that we removed the original, | |
4378 * try to move the copy in its place. | |
4379 * This may not work if the vim_rename() fails. | |
4380 * In that case we leave the copy around. | |
4381 */ | |
4382 /* If file does not exist, put the copy in its place */ | |
4383 if (mch_stat((char *)fname, &st) < 0) | |
4384 vim_rename(backup, fname); | |
4385 /* if original file does exist throw away the copy */ | |
4386 if (mch_stat((char *)fname, &st) >= 0) | |
4387 mch_remove(backup); | |
4388 } | |
4389 else | |
4390 { | |
4391 /* try to put the original file back */ | |
4392 vim_rename(backup, fname); | |
4393 } | |
4394 } | |
4395 | |
4396 /* if original file no longer exists give an extra warning */ | |
4397 if (!newfile && mch_stat((char *)fname, &st) < 0) | |
4398 end = 0; | |
4399 } | |
4400 | |
4401 #ifdef FEAT_MBYTE | |
4402 if (wfname != fname) | |
4403 vim_free(wfname); | |
4404 #endif | |
4405 goto fail; | |
4406 } | |
4407 errmsg = NULL; | |
4408 | |
4409 #if defined(MACOS_CLASSIC) || defined(WIN3264) | |
4410 /* TODO: Is it need for MACOS_X? (Dany) */ | |
4411 /* | |
4412 * On macintosh copy the original files attributes (i.e. the backup) | |
1201 | 4413 * This is done in order to preserve the resource fork and the |
4414 * Finder attribute (label, comments, custom icons, file creator) | |
7 | 4415 */ |
4416 if (backup != NULL && overwriting && !append) | |
4417 { | |
4418 if (backup_copy) | |
4419 (void)mch_copy_file_attribute(wfname, backup); | |
4420 else | |
4421 (void)mch_copy_file_attribute(backup, wfname); | |
4422 } | |
4423 | |
4424 if (!overwriting && !append) | |
4425 { | |
4426 if (buf->b_ffname != NULL) | |
4427 (void)mch_copy_file_attribute(buf->b_ffname, wfname); | |
1201 | 4428 /* Should copy resource fork */ |
7 | 4429 } |
4430 #endif | |
4431 | |
4432 write_info.bw_fd = fd; | |
4433 | |
4434 #ifdef FEAT_CRYPT | |
2267 | 4435 if (*buf->b_p_key != NUL && !filtering) |
7 | 4436 { |
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4437 char_u *header; |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4438 int header_len; |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4439 |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4440 header = prepare_crypt_write(buf, &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
|
4441 if (header == NULL) |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4442 end = 0; |
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4443 else |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4444 { |
2239
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 magic number, so that Vim knows that this file is |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4446 * encrypted when reading it again. This also undergoes utf-8 to |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4447 * ucs-2/4 conversion when needed. */ |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4448 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
|
4449 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
|
4450 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
|
4451 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
|
4452 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
|
4453 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
|
4454 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
|
4455 } |
7 | 4456 } |
4457 #endif | |
4458 | |
4459 write_info.bw_buf = buffer; | |
4460 nchars = 0; | |
4461 | |
4462 /* use "++bin", "++nobin" or 'binary' */ | |
4463 if (eap != NULL && eap->force_bin != 0) | |
4464 write_bin = (eap->force_bin == FORCE_BIN); | |
4465 else | |
4466 write_bin = buf->b_p_bin; | |
4467 | |
4468 #ifdef FEAT_MBYTE | |
4469 /* | |
4470 * The BOM is written just after the encryption magic number. | |
24 | 4471 * Skip it when appending and the file already existed, the BOM only makes |
4472 * sense at the start of the file. | |
7 | 4473 */ |
24 | 4474 if (buf->b_p_bomb && !write_bin && (!append || perm < 0)) |
7 | 4475 { |
4476 write_info.bw_len = make_bom(buffer, fenc); | |
4477 if (write_info.bw_len > 0) | |
4478 { | |
4479 /* don't convert, do encryption */ | |
4480 write_info.bw_flags = FIO_NOCONVERT | wb_flags; | |
4481 if (buf_write_bytes(&write_info) == FAIL) | |
4482 end = 0; | |
4483 else | |
4484 nchars += write_info.bw_len; | |
4485 } | |
4486 } | |
1947 | 4487 write_info.bw_start_lnum = start; |
7 | 4488 #endif |
4489 | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4490 #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
|
4491 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
|
4492 && !filtering && reset_changed); |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4493 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
|
4494 /* 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
|
4495 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
|
4496 #endif |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4497 |
7 | 4498 write_info.bw_len = bufsize; |
4499 #ifdef HAS_BW_FLAGS | |
4500 write_info.bw_flags = wb_flags; | |
4501 #endif | |
4502 fileformat = get_fileformat_force(buf, eap); | |
4503 s = buffer; | |
4504 len = 0; | |
4505 for (lnum = start; lnum <= end; ++lnum) | |
4506 { | |
4507 /* | |
4508 * The next while loop is done once for each character written. | |
4509 * Keep it fast! | |
4510 */ | |
4511 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
|
4512 #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
|
4513 if (write_undo_file) |
2217
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
4514 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
|
4515 #endif |
7 | 4516 while ((c = *++ptr) != NUL) |
4517 { | |
4518 if (c == NL) | |
4519 *s = NUL; /* replace newlines with NULs */ | |
4520 else if (c == CAR && fileformat == EOL_MAC) | |
4521 *s = NL; /* Mac: replace CRs with NLs */ | |
4522 else | |
4523 *s = c; | |
4524 ++s; | |
4525 if (++len != bufsize) | |
4526 continue; | |
4527 if (buf_write_bytes(&write_info) == FAIL) | |
4528 { | |
4529 end = 0; /* write error: break loop */ | |
4530 break; | |
4531 } | |
4532 nchars += bufsize; | |
4533 s = buffer; | |
4534 len = 0; | |
1947 | 4535 #ifdef FEAT_MBYTE |
4536 write_info.bw_start_lnum = lnum; | |
4537 #endif | |
7 | 4538 } |
4539 /* write failed or last line has no EOL: stop here */ | |
4540 if (end == 0 | |
4541 || (lnum == end | |
4542 && write_bin | |
4543 && (lnum == write_no_eol_lnum | |
4544 || (lnum == buf->b_ml.ml_line_count && !buf->b_p_eol)))) | |
4545 { | |
4546 ++lnum; /* written the line, count it */ | |
4547 no_eol = TRUE; | |
4548 break; | |
4549 } | |
4550 if (fileformat == EOL_UNIX) | |
4551 *s++ = NL; | |
4552 else | |
4553 { | |
4554 *s++ = CAR; /* EOL_MAC or EOL_DOS: write CR */ | |
4555 if (fileformat == EOL_DOS) /* write CR-NL */ | |
4556 { | |
4557 if (++len == bufsize) | |
4558 { | |
4559 if (buf_write_bytes(&write_info) == FAIL) | |
4560 { | |
4561 end = 0; /* write error: break loop */ | |
4562 break; | |
4563 } | |
4564 nchars += bufsize; | |
4565 s = buffer; | |
4566 len = 0; | |
4567 } | |
4568 *s++ = NL; | |
4569 } | |
4570 } | |
4571 if (++len == bufsize && end) | |
4572 { | |
4573 if (buf_write_bytes(&write_info) == FAIL) | |
4574 { | |
4575 end = 0; /* write error: break loop */ | |
4576 break; | |
4577 } | |
4578 nchars += bufsize; | |
4579 s = buffer; | |
4580 len = 0; | |
4581 | |
4582 ui_breakcheck(); | |
4583 if (got_int) | |
4584 { | |
4585 end = 0; /* Interrupted, break loop */ | |
4586 break; | |
4587 } | |
4588 } | |
4589 #ifdef VMS | |
4590 /* | |
4591 * On VMS there is a problem: newlines get added when writing blocks | |
4592 * at a time. Fix it by writing a line at a time. | |
4593 * This is much slower! | |
22 | 4594 * Explanation: VAX/DECC RTL insists that records in some RMS |
4595 * structures end with a newline (carriage return) character, and if | |
4596 * they don't it adds one. | |
4597 * With other RMS structures it works perfect without this fix. | |
7 | 4598 */ |
1431 | 4599 if (buf->b_fab_rfm == FAB$C_VFC |
4600 || ((buf->b_fab_rat & (FAB$M_FTN | FAB$M_CR)) != 0)) | |
22 | 4601 { |
4602 int b2write; | |
4603 | |
4604 buf->b_fab_mrs = (buf->b_fab_mrs == 0 | |
4605 ? MIN(4096, bufsize) | |
4606 : MIN(buf->b_fab_mrs, bufsize)); | |
4607 | |
4608 b2write = len; | |
4609 while (b2write > 0) | |
7 | 4610 { |
22 | 4611 write_info.bw_len = MIN(b2write, buf->b_fab_mrs); |
4612 if (buf_write_bytes(&write_info) == FAIL) | |
4613 { | |
4614 end = 0; | |
4615 break; | |
4616 } | |
4617 b2write -= MIN(b2write, buf->b_fab_mrs); | |
7 | 4618 } |
4619 write_info.bw_len = bufsize; | |
4620 nchars += len; | |
4621 s = buffer; | |
4622 len = 0; | |
4623 } | |
4624 #endif | |
4625 } | |
4626 if (len > 0 && end > 0) | |
4627 { | |
4628 write_info.bw_len = len; | |
4629 if (buf_write_bytes(&write_info) == FAIL) | |
4630 end = 0; /* write error */ | |
4631 nchars += len; | |
4632 } | |
4633 | |
4634 #if defined(UNIX) && defined(HAVE_FSYNC) | |
4635 /* On many journalling file systems there is a bug that causes both the | |
4636 * original and the backup file to be lost when halting the system right | |
4637 * after writing the file. That's because only the meta-data is | |
4638 * journalled. Syncing the file slows down the system, but assures it has | |
10 | 4639 * been written to disk and we don't lose it. |
4640 * For a device do try the fsync() but don't complain if it does not work | |
36 | 4641 * (could be a pipe). |
4642 * If the 'fsync' option is FALSE, don't fsync(). Useful for laptops. */ | |
4643 if (p_fs && fsync(fd) != 0 && !device) | |
7 | 4644 { |
4645 errmsg = (char_u *)_("E667: Fsync failed"); | |
4646 end = 0; | |
4647 } | |
4648 #endif | |
4649 | |
1583 | 4650 #ifdef HAVE_SELINUX |
4651 /* Probably need to set the security context. */ | |
4652 if (!backup_copy) | |
4653 mch_copy_sec(backup, wfname); | |
4654 #endif | |
4655 | |
557 | 4656 #ifdef UNIX |
4657 /* When creating a new file, set its owner/group to that of the original | |
4658 * file. Get the new device and inode number. */ | |
4659 if (backup != NULL && !backup_copy) | |
4660 { | |
4661 # ifdef HAVE_FCHOWN | |
4662 struct stat st; | |
4663 | |
4664 /* don't change the owner when it's already OK, some systems remove | |
4665 * permission or ACL stuff */ | |
4666 if (mch_stat((char *)wfname, &st) < 0 | |
4667 || st.st_uid != st_old.st_uid | |
4668 || st.st_gid != st_old.st_gid) | |
4669 { | |
1757 | 4670 ignored = fchown(fd, st_old.st_uid, st_old.st_gid); |
557 | 4671 if (perm >= 0) /* set permission again, may have changed */ |
4672 (void)mch_setperm(wfname, perm); | |
4673 } | |
4674 # endif | |
4675 buf_setino(buf); | |
4676 } | |
1873 | 4677 else if (!buf->b_dev_valid) |
617 | 4678 /* Set the inode when creating a new file. */ |
4679 buf_setino(buf); | |
557 | 4680 #endif |
4681 | |
7 | 4682 if (close(fd) != 0) |
4683 { | |
4684 errmsg = (char_u *)_("E512: Close failed"); | |
4685 end = 0; | |
4686 } | |
4687 | |
4688 #ifdef UNIX | |
4689 if (made_writable) | |
4690 perm &= ~0200; /* reset 'w' bit for security reasons */ | |
4691 #endif | |
4692 if (perm >= 0) /* set perm. of new file same as old file */ | |
4693 (void)mch_setperm(wfname, perm); | |
4694 #ifdef RISCOS | |
4695 if (!append && !filtering) | |
4696 /* Set the filetype after writing the file. */ | |
4697 mch_set_filetype(wfname, buf->b_p_oft); | |
4698 #endif | |
4699 #ifdef HAVE_ACL | |
4700 /* Probably need to set the ACL before changing the user (can't set the | |
4701 * ACL on a file the user doesn't own). */ | |
4702 if (!backup_copy) | |
4703 mch_set_acl(wfname, acl); | |
4704 #endif | |
2267 | 4705 #ifdef FEAT_CRYPT |
4706 if (wb_flags & FIO_ENCRYPTED) | |
4707 crypt_pop_state(); | |
4708 #endif | |
7 | 4709 |
4710 | |
4711 #if defined(FEAT_MBYTE) && defined(FEAT_EVAL) | |
4712 if (wfname != fname) | |
4713 { | |
4714 /* | |
4715 * The file was written to a temp file, now it needs to be converted | |
4716 * with 'charconvert' to (overwrite) the output file. | |
4717 */ | |
4718 if (end != 0) | |
4719 { | |
4720 if (eval_charconvert(enc_utf8 ? (char_u *)"utf-8" : p_enc, fenc, | |
4721 wfname, fname) == FAIL) | |
4722 { | |
4723 write_info.bw_conv_error = TRUE; | |
4724 end = 0; | |
4725 } | |
4726 } | |
4727 mch_remove(wfname); | |
4728 vim_free(wfname); | |
4729 } | |
4730 #endif | |
4731 | |
4732 if (end == 0) | |
4733 { | |
4734 if (errmsg == NULL) | |
4735 { | |
4736 #ifdef FEAT_MBYTE | |
4737 if (write_info.bw_conv_error) | |
1947 | 4738 { |
4739 if (write_info.bw_conv_error_lnum == 0) | |
4740 errmsg = (char_u *)_("E513: write error, conversion failed (make 'fenc' empty to override)"); | |
4741 else | |
4742 { | |
4743 errmsg_allocated = TRUE; | |
4744 errmsg = alloc(300); | |
4745 vim_snprintf((char *)errmsg, 300, _("E513: write error, conversion failed in line %ld (make 'fenc' empty to override)"), | |
4746 (long)write_info.bw_conv_error_lnum); | |
4747 } | |
4748 } | |
7 | 4749 else |
4750 #endif | |
4751 if (got_int) | |
4752 errmsg = (char_u *)_(e_interr); | |
4753 else | |
4754 errmsg = (char_u *)_("E514: write error (file system full?)"); | |
4755 } | |
4756 | |
4757 /* | |
4758 * If we have a backup file, try to put it in place of the new file, | |
1698 | 4759 * because the new file is probably corrupt. This avoids losing the |
7 | 4760 * original file when trying to make a backup when writing the file a |
4761 * second time. | |
4762 * When "backup_copy" is set we need to copy the backup over the new | |
4763 * file. Otherwise rename the backup file. | |
4764 * If this is OK, don't give the extra warning message. | |
4765 */ | |
4766 if (backup != NULL) | |
4767 { | |
4768 if (backup_copy) | |
4769 { | |
4770 /* This may take a while, if we were interrupted let the user | |
4771 * know we got the message. */ | |
4772 if (got_int) | |
4773 { | |
4774 MSG(_(e_interr)); | |
4775 out_flush(); | |
4776 } | |
4777 if ((fd = mch_open((char *)backup, O_RDONLY | O_EXTRA, 0)) >= 0) | |
4778 { | |
4779 if ((write_info.bw_fd = mch_open((char *)fname, | |
194 | 4780 O_WRONLY | O_CREAT | O_TRUNC | O_EXTRA, |
4781 perm & 0777)) >= 0) | |
7 | 4782 { |
4783 /* copy the file. */ | |
4784 write_info.bw_buf = smallbuf; | |
4785 #ifdef HAS_BW_FLAGS | |
4786 write_info.bw_flags = FIO_NOCONVERT; | |
4787 #endif | |
4788 while ((write_info.bw_len = vim_read(fd, smallbuf, | |
4789 SMBUFSIZE)) > 0) | |
4790 if (buf_write_bytes(&write_info) == FAIL) | |
4791 break; | |
4792 | |
4793 if (close(write_info.bw_fd) >= 0 | |
4794 && write_info.bw_len == 0) | |
4795 end = 1; /* success */ | |
4796 } | |
4797 close(fd); /* ignore errors for closing read file */ | |
4798 } | |
4799 } | |
4800 else | |
4801 { | |
4802 if (vim_rename(backup, fname) == 0) | |
4803 end = 1; | |
4804 } | |
4805 } | |
4806 goto fail; | |
4807 } | |
4808 | |
4809 lnum -= start; /* compute number of written lines */ | |
4810 --no_wait_return; /* may wait for return now */ | |
4811 | |
4812 #if !(defined(UNIX) || defined(VMS)) | |
4813 fname = sfname; /* use shortname now, for the messages */ | |
4814 #endif | |
4815 if (!filtering) | |
4816 { | |
4817 msg_add_fname(buf, fname); /* put fname in IObuff with quotes */ | |
4818 c = FALSE; | |
4819 #ifdef FEAT_MBYTE | |
4820 if (write_info.bw_conv_error) | |
4821 { | |
4822 STRCAT(IObuff, _(" CONVERSION ERROR")); | |
4823 c = TRUE; | |
1947 | 4824 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
|
4825 vim_snprintf_add((char *)IObuff, IOSIZE, _(" in line %ld;"), |
1947 | 4826 (long)write_info.bw_conv_error_lnum); |
7 | 4827 } |
4828 else if (notconverted) | |
4829 { | |
4830 STRCAT(IObuff, _("[NOT converted]")); | |
4831 c = TRUE; | |
4832 } | |
4833 else if (converted) | |
4834 { | |
4835 STRCAT(IObuff, _("[converted]")); | |
4836 c = TRUE; | |
4837 } | |
4838 #endif | |
4839 if (device) | |
4840 { | |
4841 STRCAT(IObuff, _("[Device]")); | |
4842 c = TRUE; | |
4843 } | |
4844 else if (newfile) | |
4845 { | |
4846 STRCAT(IObuff, shortmess(SHM_NEW) ? _("[New]") : _("[New File]")); | |
4847 c = TRUE; | |
4848 } | |
4849 if (no_eol) | |
4850 { | |
4851 msg_add_eol(); | |
4852 c = TRUE; | |
4853 } | |
4854 /* may add [unix/dos/mac] */ | |
4855 if (msg_add_fileformat(fileformat)) | |
4856 c = TRUE; | |
4857 #ifdef FEAT_CRYPT | |
4858 if (wb_flags & FIO_ENCRYPTED) | |
4859 { | |
4860 STRCAT(IObuff, _("[crypted]")); | |
4861 c = TRUE; | |
4862 } | |
4863 #endif | |
4864 msg_add_lines(c, (long)lnum, nchars); /* add line/char count */ | |
4865 if (!shortmess(SHM_WRITE)) | |
4866 { | |
4867 if (append) | |
4868 STRCAT(IObuff, shortmess(SHM_WRI) ? _(" [a]") : _(" appended")); | |
4869 else | |
4870 STRCAT(IObuff, shortmess(SHM_WRI) ? _(" [w]") : _(" written")); | |
4871 } | |
4872 | |
679 | 4873 set_keep_msg(msg_trunc_attr(IObuff, FALSE, 0), 0); |
7 | 4874 } |
4875 | |
39 | 4876 /* When written everything correctly: reset 'modified'. Unless not |
4877 * writing to the original file and '+' is not in 'cpoptions'. */ | |
589 | 4878 if (reset_changed && whole && !append |
7 | 4879 #ifdef FEAT_MBYTE |
4880 && !write_info.bw_conv_error | |
4881 #endif | |
39 | 4882 && (overwriting || vim_strchr(p_cpo, CPO_PLUS) != NULL) |
4883 ) | |
7 | 4884 { |
4885 unchanged(buf, TRUE); | |
4886 u_unchanged(buf); | |
2281
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
4887 u_update_save_nr(buf); |
7 | 4888 } |
4889 | |
4890 /* | |
4891 * If written to the current file, update the timestamp of the swap file | |
4892 * and reset the BF_WRITE_MASK flags. Also sets buf->b_mtime. | |
4893 */ | |
4894 if (overwriting) | |
4895 { | |
4896 ml_timestamp(buf); | |
589 | 4897 if (append) |
4898 buf->b_flags &= ~BF_NEW; | |
4899 else | |
4900 buf->b_flags &= ~BF_WRITE_MASK; | |
7 | 4901 } |
4902 | |
4903 /* | |
4904 * If we kept a backup until now, and we are in patch mode, then we make | |
4905 * the backup file our 'original' file. | |
4906 */ | |
4907 if (*p_pm && dobackup) | |
4908 { | |
4909 char *org = (char *)buf_modname( | |
4910 #ifdef SHORT_FNAME | |
4911 TRUE, | |
4912 #else | |
4913 (buf->b_p_sn || buf->b_shortname), | |
4914 #endif | |
4915 fname, p_pm, FALSE); | |
4916 | |
4917 if (backup != NULL) | |
4918 { | |
4919 struct stat st; | |
4920 | |
4921 /* | |
4922 * If the original file does not exist yet | |
4923 * the current backup file becomes the original file | |
4924 */ | |
4925 if (org == NULL) | |
4926 EMSG(_("E205: Patchmode: can't save original file")); | |
4927 else if (mch_stat(org, &st) < 0) | |
4928 { | |
4929 vim_rename(backup, (char_u *)org); | |
4930 vim_free(backup); /* don't delete the file */ | |
4931 backup = NULL; | |
4932 #ifdef UNIX | |
4933 set_file_time((char_u *)org, st_old.st_atime, st_old.st_mtime); | |
4934 #endif | |
4935 } | |
4936 } | |
4937 /* | |
4938 * If there is no backup file, remember that a (new) file was | |
4939 * created. | |
4940 */ | |
4941 else | |
4942 { | |
4943 int empty_fd; | |
4944 | |
4945 if (org == NULL | |
557 | 4946 || (empty_fd = mch_open(org, |
4947 O_CREAT | O_EXTRA | O_EXCL | O_NOFOLLOW, | |
216 | 4948 perm < 0 ? 0666 : (perm & 0777))) < 0) |
7 | 4949 EMSG(_("E206: patchmode: can't touch empty original file")); |
4950 else | |
4951 close(empty_fd); | |
4952 } | |
4953 if (org != NULL) | |
4954 { | |
4955 mch_setperm((char_u *)org, mch_getperm(fname) & 0777); | |
4956 vim_free(org); | |
4957 } | |
4958 } | |
4959 | |
4960 /* | |
4961 * Remove the backup unless 'backup' option is set | |
4962 */ | |
4963 if (!p_bk && backup != NULL && mch_remove(backup) != 0) | |
4964 EMSG(_("E207: Can't delete backup file")); | |
4965 | |
4966 #ifdef FEAT_SUN_WORKSHOP | |
4967 if (usingSunWorkShop) | |
4968 workshop_file_saved((char *) ffname); | |
4969 #endif | |
4970 | |
4971 goto nofail; | |
4972 | |
4973 /* | |
4974 * Finish up. We get here either after failure or success. | |
4975 */ | |
4976 fail: | |
4977 --no_wait_return; /* may wait for return now */ | |
4978 nofail: | |
4979 | |
4980 /* Done saving, we accept changed buffer warnings again */ | |
4981 buf->b_saving = FALSE; | |
4982 | |
4983 vim_free(backup); | |
4984 if (buffer != smallbuf) | |
4985 vim_free(buffer); | |
4986 #ifdef FEAT_MBYTE | |
4987 vim_free(fenc_tofree); | |
4988 vim_free(write_info.bw_conv_buf); | |
4989 # ifdef USE_ICONV | |
4990 if (write_info.bw_iconv_fd != (iconv_t)-1) | |
4991 { | |
4992 iconv_close(write_info.bw_iconv_fd); | |
4993 write_info.bw_iconv_fd = (iconv_t)-1; | |
4994 } | |
4995 # endif | |
4996 #endif | |
4997 #ifdef HAVE_ACL | |
4998 mch_free_acl(acl); | |
4999 #endif | |
5000 | |
5001 if (errmsg != NULL) | |
5002 { | |
835 | 5003 int numlen = errnum != NULL ? (int)STRLEN(errnum) : 0; |
7 | 5004 |
5005 attr = hl_attr(HLF_E); /* set highlight for error messages */ | |
5006 msg_add_fname(buf, | |
5007 #ifndef UNIX | |
5008 sfname | |
5009 #else | |
5010 fname | |
5011 #endif | |
5012 ); /* put file name in IObuff with quotes */ | |
5013 if (STRLEN(IObuff) + STRLEN(errmsg) + numlen >= IOSIZE) | |
5014 IObuff[IOSIZE - STRLEN(errmsg) - numlen - 1] = NUL; | |
5015 /* If the error message has the form "is ...", put the error number in | |
5016 * front of the file name. */ | |
5017 if (errnum != NULL) | |
5018 { | |
1620 | 5019 STRMOVE(IObuff + numlen, IObuff); |
7 | 5020 mch_memmove(IObuff, errnum, (size_t)numlen); |
5021 } | |
5022 STRCAT(IObuff, errmsg); | |
5023 emsg(IObuff); | |
1947 | 5024 if (errmsg_allocated) |
5025 vim_free(errmsg); | |
7 | 5026 |
5027 retval = FAIL; | |
5028 if (end == 0) | |
5029 { | |
5030 MSG_PUTS_ATTR(_("\nWARNING: Original file may be lost or damaged\n"), | |
5031 attr | MSG_HIST); | |
5032 MSG_PUTS_ATTR(_("don't quit the editor until the file is successfully written!"), | |
5033 attr | MSG_HIST); | |
5034 | |
5035 /* Update the timestamp to avoid an "overwrite changed file" | |
5036 * prompt when writing again. */ | |
5037 if (mch_stat((char *)fname, &st_old) >= 0) | |
5038 { | |
5039 buf_store_time(buf, &st_old, fname); | |
5040 buf->b_mtime_read = buf->b_mtime; | |
5041 } | |
5042 } | |
5043 } | |
5044 msg_scroll = msg_save; | |
5045 | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5046 #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
|
5047 /* |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5048 * 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
|
5049 * file. |
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 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
|
5052 { |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5053 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
|
5054 |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5055 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
|
5056 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
|
5057 } |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5058 #endif |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5059 |
7 | 5060 #ifdef FEAT_AUTOCMD |
5061 #ifdef FEAT_EVAL | |
5062 if (!should_abort(retval)) | |
5063 #else | |
5064 if (!got_int) | |
5065 #endif | |
5066 { | |
5067 aco_save_T aco; | |
5068 | |
5069 write_no_eol_lnum = 0; /* in case it was set by the previous read */ | |
5070 | |
5071 /* | |
5072 * Apply POST autocommands. | |
5073 * Careful: The autocommands may call buf_write() recursively! | |
5074 */ | |
5075 aucmd_prepbuf(&aco, buf); | |
5076 | |
5077 if (append) | |
5078 apply_autocmds_exarg(EVENT_FILEAPPENDPOST, fname, fname, | |
5079 FALSE, curbuf, eap); | |
5080 else if (filtering) | |
5081 apply_autocmds_exarg(EVENT_FILTERWRITEPOST, NULL, fname, | |
5082 FALSE, curbuf, eap); | |
5083 else if (reset_changed && whole) | |
5084 apply_autocmds_exarg(EVENT_BUFWRITEPOST, fname, fname, | |
5085 FALSE, curbuf, eap); | |
5086 else | |
5087 apply_autocmds_exarg(EVENT_FILEWRITEPOST, fname, fname, | |
5088 FALSE, curbuf, eap); | |
5089 | |
5090 /* restore curwin/curbuf and a few other things */ | |
5091 aucmd_restbuf(&aco); | |
5092 | |
5093 #ifdef FEAT_EVAL | |
5094 if (aborting()) /* autocmds may abort script processing */ | |
5095 retval = FALSE; | |
5096 #endif | |
5097 } | |
5098 #endif | |
5099 | |
5100 got_int |= prev_got_int; | |
5101 | |
5102 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */ | |
5103 /* Update machine specific information. */ | |
5104 mch_post_buffer_write(buf); | |
5105 #endif | |
5106 return retval; | |
5107 } | |
5108 | |
5109 /* | |
633 | 5110 * Set the name of the current buffer. Use when the buffer doesn't have a |
5111 * name and a ":r" or ":w" command with a file name is used. | |
5112 */ | |
5113 static int | |
5114 set_rw_fname(fname, sfname) | |
5115 char_u *fname; | |
5116 char_u *sfname; | |
5117 { | |
5118 #ifdef FEAT_AUTOCMD | |
1905 | 5119 buf_T *buf = curbuf; |
5120 | |
633 | 5121 /* It's like the unnamed buffer is deleted.... */ |
5122 if (curbuf->b_p_bl) | |
5123 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); | |
5124 apply_autocmds(EVENT_BUFWIPEOUT, NULL, NULL, FALSE, curbuf); | |
5125 # ifdef FEAT_EVAL | |
5126 if (aborting()) /* autocmds may abort script processing */ | |
5127 return FAIL; | |
5128 # endif | |
1905 | 5129 if (curbuf != buf) |
5130 { | |
5131 /* We are in another buffer now, don't do the renaming. */ | |
5132 EMSG(_(e_auchangedbuf)); | |
5133 return FAIL; | |
5134 } | |
633 | 5135 #endif |
5136 | |
5137 if (setfname(curbuf, fname, sfname, FALSE) == OK) | |
5138 curbuf->b_flags |= BF_NOTEDITED; | |
5139 | |
5140 #ifdef FEAT_AUTOCMD | |
5141 /* ....and a new named one is created */ | |
5142 apply_autocmds(EVENT_BUFNEW, NULL, NULL, FALSE, curbuf); | |
5143 if (curbuf->b_p_bl) | |
5144 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf); | |
5145 # ifdef FEAT_EVAL | |
5146 if (aborting()) /* autocmds may abort script processing */ | |
5147 return FAIL; | |
5148 # endif | |
5149 | |
5150 /* Do filetype detection now if 'filetype' is empty. */ | |
5151 if (*curbuf->b_p_ft == NUL) | |
5152 { | |
819 | 5153 if (au_has_group((char_u *)"filetypedetect")) |
676 | 5154 (void)do_doautocmd((char_u *)"filetypedetect BufRead", FALSE); |
717 | 5155 do_modelines(0); |
633 | 5156 } |
5157 #endif | |
5158 | |
5159 return OK; | |
5160 } | |
5161 | |
5162 /* | |
7 | 5163 * Put file name into IObuff with quotes. |
5164 */ | |
33 | 5165 void |
7 | 5166 msg_add_fname(buf, fname) |
5167 buf_T *buf; | |
5168 char_u *fname; | |
5169 { | |
5170 if (fname == NULL) | |
5171 fname = (char_u *)"-stdin-"; | |
5172 home_replace(buf, fname, IObuff + 1, IOSIZE - 4, TRUE); | |
5173 IObuff[0] = '"'; | |
5174 STRCAT(IObuff, "\" "); | |
5175 } | |
5176 | |
5177 /* | |
5178 * Append message for text mode to IObuff. | |
5179 * Return TRUE if something appended. | |
5180 */ | |
5181 static int | |
5182 msg_add_fileformat(eol_type) | |
5183 int eol_type; | |
5184 { | |
5185 #ifndef USE_CRNL | |
5186 if (eol_type == EOL_DOS) | |
5187 { | |
5188 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[dos]") : _("[dos format]")); | |
5189 return TRUE; | |
5190 } | |
5191 #endif | |
5192 #ifndef USE_CR | |
5193 if (eol_type == EOL_MAC) | |
5194 { | |
5195 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[mac]") : _("[mac format]")); | |
5196 return TRUE; | |
5197 } | |
5198 #endif | |
5199 #if defined(USE_CRNL) || defined(USE_CR) | |
5200 if (eol_type == EOL_UNIX) | |
5201 { | |
5202 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[unix]") : _("[unix format]")); | |
5203 return TRUE; | |
5204 } | |
5205 #endif | |
5206 return FALSE; | |
5207 } | |
5208 | |
5209 /* | |
5210 * Append line and character count to IObuff. | |
5211 */ | |
33 | 5212 void |
7 | 5213 msg_add_lines(insert_space, lnum, nchars) |
5214 int insert_space; | |
5215 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
|
5216 off_t nchars; |
7 | 5217 { |
5218 char_u *p; | |
5219 | |
5220 p = IObuff + STRLEN(IObuff); | |
5221 | |
5222 if (insert_space) | |
5223 *p++ = ' '; | |
5224 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
|
5225 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
|
5226 #ifdef LONG_LONG_OFF_T |
2261
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5227 "%ldL, %lldC", lnum, 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
|
5228 #else |
2261
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5229 /* 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
|
5230 "%ldL, %ldC", lnum, (long)nchars |
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5231 #endif |
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5232 ); |
7 | 5233 else |
5234 { | |
5235 if (lnum == 1) | |
5236 STRCPY(p, _("1 line, ")); | |
5237 else | |
5238 sprintf((char *)p, _("%ld lines, "), lnum); | |
5239 p += STRLEN(p); | |
5240 if (nchars == 1) | |
5241 STRCPY(p, _("1 character")); | |
5242 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
|
5243 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
|
5244 #ifdef LONG_LONG_OFF_T |
2261
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5245 _("%lld characters"), 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
|
5246 #else |
2261
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5247 /* 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
|
5248 _("%ld characters"), (long)nchars |
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5249 #endif |
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5250 ); |
7 | 5251 } |
5252 } | |
5253 | |
5254 /* | |
5255 * Append message for missing line separator to IObuff. | |
5256 */ | |
5257 static void | |
5258 msg_add_eol() | |
5259 { | |
5260 STRCAT(IObuff, shortmess(SHM_LAST) ? _("[noeol]") : _("[Incomplete last line]")); | |
5261 } | |
5262 | |
5263 /* | |
5264 * Check modification time of file, before writing to it. | |
5265 * The size isn't checked, because using a tool like "gzip" takes care of | |
5266 * using the same timestamp but can't set the size. | |
5267 */ | |
5268 static int | |
5269 check_mtime(buf, st) | |
5270 buf_T *buf; | |
5271 struct stat *st; | |
5272 { | |
5273 if (buf->b_mtime_read != 0 | |
5274 && time_differs((long)st->st_mtime, buf->b_mtime_read)) | |
5275 { | |
5276 msg_scroll = TRUE; /* don't overwrite messages here */ | |
5277 msg_silent = 0; /* must give this prompt */ | |
5278 /* don't use emsg() here, don't want to flush the buffers */ | |
5279 MSG_ATTR(_("WARNING: The file has been changed since reading it!!!"), | |
5280 hl_attr(HLF_E)); | |
5281 if (ask_yesno((char_u *)_("Do you really want to write to it"), | |
5282 TRUE) == 'n') | |
5283 return FAIL; | |
5284 msg_scroll = FALSE; /* always overwrite the file message now */ | |
5285 } | |
5286 return OK; | |
5287 } | |
5288 | |
5289 static int | |
5290 time_differs(t1, t2) | |
5291 long t1, t2; | |
5292 { | |
5293 #if defined(__linux__) || defined(MSDOS) || defined(MSWIN) | |
5294 /* On a FAT filesystem, esp. under Linux, there are only 5 bits to store | |
5295 * the seconds. Since the roundoff is done when flushing the inode, the | |
5296 * time may change unexpectedly by one second!!! */ | |
5297 return (t1 - t2 > 1 || t2 - t1 > 1); | |
5298 #else | |
5299 return (t1 != t2); | |
5300 #endif | |
5301 } | |
5302 | |
5303 /* | |
5304 * Call write() to write a number of bytes to the file. | |
5305 * Also handles encryption and 'encoding' conversion. | |
5306 * | |
5307 * Return FAIL for failure, OK otherwise. | |
5308 */ | |
5309 static int | |
5310 buf_write_bytes(ip) | |
5311 struct bw_info *ip; | |
5312 { | |
5313 int wlen; | |
5314 char_u *buf = ip->bw_buf; /* data to write */ | |
5315 int len = ip->bw_len; /* length of data */ | |
5316 #ifdef HAS_BW_FLAGS | |
5317 int flags = ip->bw_flags; /* extra flags */ | |
5318 #endif | |
5319 | |
5320 #ifdef FEAT_MBYTE | |
5321 /* | |
5322 * Skip conversion when writing the crypt magic number or the BOM. | |
5323 */ | |
5324 if (!(flags & FIO_NOCONVERT)) | |
5325 { | |
5326 char_u *p; | |
5327 unsigned c; | |
5328 int n; | |
5329 | |
5330 if (flags & FIO_UTF8) | |
5331 { | |
5332 /* | |
5333 * Convert latin1 in the buffer to UTF-8 in the file. | |
5334 */ | |
5335 p = ip->bw_conv_buf; /* translate to buffer */ | |
5336 for (wlen = 0; wlen < len; ++wlen) | |
5337 p += utf_char2bytes(buf[wlen], p); | |
5338 buf = ip->bw_conv_buf; | |
5339 len = (int)(p - ip->bw_conv_buf); | |
5340 } | |
5341 else if (flags & (FIO_UCS4 | FIO_UTF16 | FIO_UCS2 | FIO_LATIN1)) | |
5342 { | |
5343 /* | |
5344 * Convert UTF-8 bytes in the buffer to UCS-2, UCS-4, UTF-16 or | |
5345 * Latin1 chars in the file. | |
5346 */ | |
5347 if (flags & FIO_LATIN1) | |
5348 p = buf; /* translate in-place (can only get shorter) */ | |
5349 else | |
5350 p = ip->bw_conv_buf; /* translate to buffer */ | |
5351 for (wlen = 0; wlen < len; wlen += n) | |
5352 { | |
5353 if (wlen == 0 && ip->bw_restlen != 0) | |
5354 { | |
5355 int l; | |
5356 | |
5357 /* Use remainder of previous call. Append the start of | |
5358 * buf[] to get a full sequence. Might still be too | |
5359 * short! */ | |
5360 l = CONV_RESTLEN - ip->bw_restlen; | |
5361 if (l > len) | |
5362 l = len; | |
5363 mch_memmove(ip->bw_rest + ip->bw_restlen, buf, (size_t)l); | |
474 | 5364 n = utf_ptr2len_len(ip->bw_rest, ip->bw_restlen + l); |
7 | 5365 if (n > ip->bw_restlen + len) |
5366 { | |
5367 /* We have an incomplete byte sequence at the end to | |
5368 * be written. We can't convert it without the | |
5369 * remaining bytes. Keep them for the next call. */ | |
5370 if (ip->bw_restlen + len > CONV_RESTLEN) | |
5371 return FAIL; | |
5372 ip->bw_restlen += len; | |
5373 break; | |
5374 } | |
5375 if (n > 1) | |
5376 c = utf_ptr2char(ip->bw_rest); | |
5377 else | |
5378 c = ip->bw_rest[0]; | |
5379 if (n >= ip->bw_restlen) | |
5380 { | |
5381 n -= ip->bw_restlen; | |
5382 ip->bw_restlen = 0; | |
5383 } | |
5384 else | |
5385 { | |
5386 ip->bw_restlen -= n; | |
5387 mch_memmove(ip->bw_rest, ip->bw_rest + n, | |
5388 (size_t)ip->bw_restlen); | |
5389 n = 0; | |
5390 } | |
5391 } | |
5392 else | |
5393 { | |
474 | 5394 n = utf_ptr2len_len(buf + wlen, len - wlen); |
7 | 5395 if (n > len - wlen) |
5396 { | |
5397 /* We have an incomplete byte sequence at the end to | |
5398 * be written. We can't convert it without the | |
5399 * remaining bytes. Keep them for the next call. */ | |
5400 if (len - wlen > CONV_RESTLEN) | |
5401 return FAIL; | |
5402 ip->bw_restlen = len - wlen; | |
5403 mch_memmove(ip->bw_rest, buf + wlen, | |
5404 (size_t)ip->bw_restlen); | |
5405 break; | |
5406 } | |
5407 if (n > 1) | |
5408 c = utf_ptr2char(buf + wlen); | |
5409 else | |
5410 c = buf[wlen]; | |
5411 } | |
5412 | |
1947 | 5413 if (ucs2bytes(c, &p, flags) && !ip->bw_conv_error) |
5414 { | |
5415 ip->bw_conv_error = TRUE; | |
5416 ip->bw_conv_error_lnum = ip->bw_start_lnum; | |
5417 } | |
5418 if (c == NL) | |
5419 ++ip->bw_start_lnum; | |
7 | 5420 } |
5421 if (flags & FIO_LATIN1) | |
5422 len = (int)(p - buf); | |
5423 else | |
5424 { | |
5425 buf = ip->bw_conv_buf; | |
5426 len = (int)(p - ip->bw_conv_buf); | |
5427 } | |
5428 } | |
5429 | |
5430 # ifdef WIN3264 | |
5431 else if (flags & FIO_CODEPAGE) | |
5432 { | |
5433 /* | |
5434 * Convert UTF-8 or codepage to UCS-2 and then to MS-Windows | |
5435 * codepage. | |
5436 */ | |
5437 char_u *from; | |
5438 size_t fromlen; | |
5439 char_u *to; | |
5440 int u8c; | |
5441 BOOL bad = FALSE; | |
5442 int needed; | |
5443 | |
5444 if (ip->bw_restlen > 0) | |
5445 { | |
5446 /* Need to concatenate the remainder of the previous call and | |
5447 * the bytes of the current call. Use the end of the | |
5448 * conversion buffer for this. */ | |
5449 fromlen = len + ip->bw_restlen; | |
5450 from = ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; | |
5451 mch_memmove(from, ip->bw_rest, (size_t)ip->bw_restlen); | |
5452 mch_memmove(from + ip->bw_restlen, buf, (size_t)len); | |
5453 } | |
5454 else | |
5455 { | |
5456 from = buf; | |
5457 fromlen = len; | |
5458 } | |
5459 | |
5460 to = ip->bw_conv_buf; | |
5461 if (enc_utf8) | |
5462 { | |
5463 /* Convert from UTF-8 to UCS-2, to the start of the buffer. | |
5464 * The buffer has been allocated to be big enough. */ | |
5465 while (fromlen > 0) | |
5466 { | |
835 | 5467 n = (int)utf_ptr2len_len(from, (int)fromlen); |
7 | 5468 if (n > (int)fromlen) /* incomplete byte sequence */ |
5469 break; | |
5470 u8c = utf_ptr2char(from); | |
5471 *to++ = (u8c & 0xff); | |
5472 *to++ = (u8c >> 8); | |
5473 fromlen -= n; | |
5474 from += n; | |
5475 } | |
5476 | |
5477 /* Copy remainder to ip->bw_rest[] to be used for the next | |
5478 * call. */ | |
5479 if (fromlen > CONV_RESTLEN) | |
5480 { | |
5481 /* weird overlong sequence */ | |
5482 ip->bw_conv_error = TRUE; | |
5483 return FAIL; | |
5484 } | |
5485 mch_memmove(ip->bw_rest, from, fromlen); | |
835 | 5486 ip->bw_restlen = (int)fromlen; |
7 | 5487 } |
5488 else | |
5489 { | |
5490 /* Convert from enc_codepage to UCS-2, to the start of the | |
5491 * buffer. The buffer has been allocated to be big enough. */ | |
5492 ip->bw_restlen = 0; | |
5493 needed = MultiByteToWideChar(enc_codepage, | |
1142 | 5494 MB_ERR_INVALID_CHARS, (LPCSTR)from, (int)fromlen, |
7 | 5495 NULL, 0); |
5496 if (needed == 0) | |
5497 { | |
5498 /* When conversion fails there may be a trailing byte. */ | |
5499 needed = MultiByteToWideChar(enc_codepage, | |
1142 | 5500 MB_ERR_INVALID_CHARS, (LPCSTR)from, (int)fromlen - 1, |
7 | 5501 NULL, 0); |
5502 if (needed == 0) | |
5503 { | |
5504 /* Conversion doesn't work. */ | |
5505 ip->bw_conv_error = TRUE; | |
5506 return FAIL; | |
5507 } | |
5508 /* Save the trailing byte for the next call. */ | |
5509 ip->bw_rest[0] = from[fromlen - 1]; | |
5510 ip->bw_restlen = 1; | |
5511 } | |
5512 needed = MultiByteToWideChar(enc_codepage, MB_ERR_INVALID_CHARS, | |
1142 | 5513 (LPCSTR)from, (int)(fromlen - ip->bw_restlen), |
7 | 5514 (LPWSTR)to, needed); |
5515 if (needed == 0) | |
5516 { | |
5517 /* Safety check: Conversion doesn't work. */ | |
5518 ip->bw_conv_error = TRUE; | |
5519 return FAIL; | |
5520 } | |
5521 to += needed * 2; | |
5522 } | |
5523 | |
5524 fromlen = to - ip->bw_conv_buf; | |
5525 buf = to; | |
5526 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
5527 if (FIO_GET_CP(flags) == CP_UTF8) | |
5528 { | |
5529 /* Convert from UCS-2 to UTF-8, using the remainder of the | |
5530 * conversion buffer. Fails when out of space. */ | |
5531 for (from = ip->bw_conv_buf; fromlen > 1; fromlen -= 2) | |
5532 { | |
5533 u8c = *from++; | |
5534 u8c += (*from++ << 8); | |
5535 to += utf_char2bytes(u8c, to); | |
5536 if (to + 6 >= ip->bw_conv_buf + ip->bw_conv_buflen) | |
5537 { | |
5538 ip->bw_conv_error = TRUE; | |
5539 return FAIL; | |
5540 } | |
5541 } | |
835 | 5542 len = (int)(to - buf); |
7 | 5543 } |
5544 else | |
5545 #endif | |
5546 { | |
5547 /* Convert from UCS-2 to the codepage, using the remainder of | |
5548 * the conversion buffer. If the conversion uses the default | |
5549 * character "0", the data doesn't fit in this encoding, so | |
5550 * fail. */ | |
5551 len = WideCharToMultiByte(FIO_GET_CP(flags), 0, | |
5552 (LPCWSTR)ip->bw_conv_buf, (int)fromlen / sizeof(WCHAR), | |
1142 | 5553 (LPSTR)to, (int)(ip->bw_conv_buflen - fromlen), 0, |
5554 &bad); | |
7 | 5555 if (bad) |
5556 { | |
5557 ip->bw_conv_error = TRUE; | |
5558 return FAIL; | |
5559 } | |
5560 } | |
5561 } | |
5562 # endif | |
5563 | |
765 | 5564 # ifdef MACOS_CONVERT |
7 | 5565 else if (flags & FIO_MACROMAN) |
5566 { | |
5567 /* | |
5568 * Convert UTF-8 or latin1 to Apple MacRoman. | |
5569 */ | |
5570 char_u *from; | |
5571 size_t fromlen; | |
5572 | |
5573 if (ip->bw_restlen > 0) | |
5574 { | |
5575 /* Need to concatenate the remainder of the previous call and | |
5576 * the bytes of the current call. Use the end of the | |
5577 * conversion buffer for this. */ | |
5578 fromlen = len + ip->bw_restlen; | |
5579 from = ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; | |
5580 mch_memmove(from, ip->bw_rest, (size_t)ip->bw_restlen); | |
5581 mch_memmove(from + ip->bw_restlen, buf, (size_t)len); | |
5582 } | |
5583 else | |
5584 { | |
5585 from = buf; | |
5586 fromlen = len; | |
5587 } | |
5588 | |
18 | 5589 if (enc2macroman(from, fromlen, |
5590 ip->bw_conv_buf, &len, ip->bw_conv_buflen, | |
5591 ip->bw_rest, &ip->bw_restlen) == FAIL) | |
7 | 5592 { |
5593 ip->bw_conv_error = TRUE; | |
5594 return FAIL; | |
5595 } | |
5596 buf = ip->bw_conv_buf; | |
5597 } | |
5598 # endif | |
5599 | |
5600 # ifdef USE_ICONV | |
5601 if (ip->bw_iconv_fd != (iconv_t)-1) | |
5602 { | |
5603 const char *from; | |
5604 size_t fromlen; | |
5605 char *to; | |
5606 size_t tolen; | |
5607 | |
5608 /* Convert with iconv(). */ | |
5609 if (ip->bw_restlen > 0) | |
5610 { | |
1836 | 5611 char *fp; |
5612 | |
7 | 5613 /* Need to concatenate the remainder of the previous call and |
5614 * the bytes of the current call. Use the end of the | |
5615 * conversion buffer for this. */ | |
5616 fromlen = len + ip->bw_restlen; | |
1836 | 5617 fp = (char *)ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; |
5618 mch_memmove(fp, ip->bw_rest, (size_t)ip->bw_restlen); | |
5619 mch_memmove(fp + ip->bw_restlen, buf, (size_t)len); | |
5620 from = fp; | |
7 | 5621 tolen = ip->bw_conv_buflen - fromlen; |
5622 } | |
5623 else | |
5624 { | |
5625 from = (const char *)buf; | |
5626 fromlen = len; | |
5627 tolen = ip->bw_conv_buflen; | |
5628 } | |
5629 to = (char *)ip->bw_conv_buf; | |
5630 | |
5631 if (ip->bw_first) | |
5632 { | |
5633 size_t save_len = tolen; | |
5634 | |
5635 /* output the initial shift state sequence */ | |
5636 (void)iconv(ip->bw_iconv_fd, NULL, NULL, &to, &tolen); | |
5637 | |
5638 /* There is a bug in iconv() on Linux (which appears to be | |
5639 * wide-spread) which sets "to" to NULL and messes up "tolen". | |
5640 */ | |
5641 if (to == NULL) | |
5642 { | |
5643 to = (char *)ip->bw_conv_buf; | |
5644 tolen = save_len; | |
5645 } | |
5646 ip->bw_first = FALSE; | |
5647 } | |
5648 | |
5649 /* | |
5650 * If iconv() has an error or there is not enough room, fail. | |
5651 */ | |
5652 if ((iconv(ip->bw_iconv_fd, (void *)&from, &fromlen, &to, &tolen) | |
5653 == (size_t)-1 && ICONV_ERRNO != ICONV_EINVAL) | |
5654 || fromlen > CONV_RESTLEN) | |
5655 { | |
5656 ip->bw_conv_error = TRUE; | |
5657 return FAIL; | |
5658 } | |
5659 | |
5660 /* copy remainder to ip->bw_rest[] to be used for the next call. */ | |
5661 if (fromlen > 0) | |
5662 mch_memmove(ip->bw_rest, (void *)from, fromlen); | |
5663 ip->bw_restlen = (int)fromlen; | |
5664 | |
5665 buf = ip->bw_conv_buf; | |
5666 len = (int)((char_u *)to - ip->bw_conv_buf); | |
5667 } | |
5668 # endif | |
5669 } | |
5670 #endif /* FEAT_MBYTE */ | |
5671 | |
5672 #ifdef FEAT_CRYPT | |
5673 if (flags & FIO_ENCRYPTED) /* encrypt the data */ | |
2244 | 5674 crypt_encode(buf, len, buf); |
7 | 5675 #endif |
5676 | |
5677 /* Repeat the write(), it may be interrupted by a signal. */ | |
1142 | 5678 while (len > 0) |
7 | 5679 { |
5680 wlen = vim_write(ip->bw_fd, buf, len); | |
5681 if (wlen <= 0) /* error! */ | |
5682 return FAIL; | |
5683 len -= wlen; | |
5684 buf += wlen; | |
5685 } | |
5686 return OK; | |
5687 } | |
5688 | |
5689 #ifdef FEAT_MBYTE | |
5690 /* | |
5691 * Convert a Unicode character to bytes. | |
1947 | 5692 * Return TRUE for an error, FALSE when it's OK. |
7 | 5693 */ |
5694 static int | |
5695 ucs2bytes(c, pp, flags) | |
5696 unsigned c; /* in: character */ | |
5697 char_u **pp; /* in/out: pointer to result */ | |
5698 int flags; /* FIO_ flags */ | |
5699 { | |
5700 char_u *p = *pp; | |
5701 int error = FALSE; | |
5702 int cc; | |
5703 | |
5704 | |
5705 if (flags & FIO_UCS4) | |
5706 { | |
5707 if (flags & FIO_ENDIAN_L) | |
5708 { | |
5709 *p++ = c; | |
5710 *p++ = (c >> 8); | |
5711 *p++ = (c >> 16); | |
5712 *p++ = (c >> 24); | |
5713 } | |
5714 else | |
5715 { | |
5716 *p++ = (c >> 24); | |
5717 *p++ = (c >> 16); | |
5718 *p++ = (c >> 8); | |
5719 *p++ = c; | |
5720 } | |
5721 } | |
5722 else if (flags & (FIO_UCS2 | FIO_UTF16)) | |
5723 { | |
5724 if (c >= 0x10000) | |
5725 { | |
5726 if (flags & FIO_UTF16) | |
5727 { | |
5728 /* Make two words, ten bits of the character in each. First | |
5729 * word is 0xd800 - 0xdbff, second one 0xdc00 - 0xdfff */ | |
5730 c -= 0x10000; | |
5731 if (c >= 0x100000) | |
5732 error = TRUE; | |
5733 cc = ((c >> 10) & 0x3ff) + 0xd800; | |
5734 if (flags & FIO_ENDIAN_L) | |
5735 { | |
5736 *p++ = cc; | |
5737 *p++ = ((unsigned)cc >> 8); | |
5738 } | |
5739 else | |
5740 { | |
5741 *p++ = ((unsigned)cc >> 8); | |
5742 *p++ = cc; | |
5743 } | |
5744 c = (c & 0x3ff) + 0xdc00; | |
5745 } | |
5746 else | |
5747 error = TRUE; | |
5748 } | |
5749 if (flags & FIO_ENDIAN_L) | |
5750 { | |
5751 *p++ = c; | |
5752 *p++ = (c >> 8); | |
5753 } | |
5754 else | |
5755 { | |
5756 *p++ = (c >> 8); | |
5757 *p++ = c; | |
5758 } | |
5759 } | |
5760 else /* Latin1 */ | |
5761 { | |
5762 if (c >= 0x100) | |
5763 { | |
5764 error = TRUE; | |
5765 *p++ = 0xBF; | |
5766 } | |
5767 else | |
5768 *p++ = c; | |
5769 } | |
5770 | |
5771 *pp = p; | |
5772 return error; | |
5773 } | |
5774 | |
5775 /* | |
1948 | 5776 * Return TRUE if file encoding "fenc" requires conversion from or to |
5777 * 'encoding'. | |
7 | 5778 */ |
5779 static int | |
1948 | 5780 need_conversion(fenc) |
5781 char_u *fenc; | |
7 | 5782 { |
1948 | 5783 int same_encoding; |
5784 int enc_flags; | |
5785 int fenc_flags; | |
5786 | |
5787 if (*fenc == NUL || STRCMP(p_enc, fenc) == 0) | |
2217
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
5788 { |
1948 | 5789 same_encoding = TRUE; |
2217
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
5790 fenc_flags = 0; |
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
5791 } |
1948 | 5792 else |
5793 { | |
5794 /* Ignore difference between "ansi" and "latin1", "ucs-4" and | |
5795 * "ucs-4be", etc. */ | |
5796 enc_flags = get_fio_flags(p_enc); | |
5797 fenc_flags = get_fio_flags(fenc); | |
5798 same_encoding = (enc_flags != 0 && fenc_flags == enc_flags); | |
5799 } | |
5800 if (same_encoding) | |
5801 { | |
5802 /* Specified encoding matches with 'encoding'. This requires | |
5803 * conversion when 'encoding' is Unicode but not UTF-8. */ | |
5804 return enc_unicode != 0; | |
5805 } | |
5806 | |
5807 /* Encodings differ. However, conversion is not needed when 'enc' is any | |
5808 * Unicode encoding and the file is UTF-8. */ | |
5809 return !(enc_utf8 && fenc_flags == FIO_UTF8); | |
7 | 5810 } |
5811 | |
5812 /* | |
5813 * Check "ptr" for a unicode encoding and return the FIO_ flags needed for the | |
5814 * internal conversion. | |
5815 * if "ptr" is an empty string, use 'encoding'. | |
5816 */ | |
5817 static int | |
5818 get_fio_flags(ptr) | |
5819 char_u *ptr; | |
5820 { | |
5821 int prop; | |
5822 | |
5823 if (*ptr == NUL) | |
5824 ptr = p_enc; | |
5825 | |
5826 prop = enc_canon_props(ptr); | |
5827 if (prop & ENC_UNICODE) | |
5828 { | |
5829 if (prop & ENC_2BYTE) | |
5830 { | |
5831 if (prop & ENC_ENDIAN_L) | |
5832 return FIO_UCS2 | FIO_ENDIAN_L; | |
5833 return FIO_UCS2; | |
5834 } | |
5835 if (prop & ENC_4BYTE) | |
5836 { | |
5837 if (prop & ENC_ENDIAN_L) | |
5838 return FIO_UCS4 | FIO_ENDIAN_L; | |
5839 return FIO_UCS4; | |
5840 } | |
5841 if (prop & ENC_2WORD) | |
5842 { | |
5843 if (prop & ENC_ENDIAN_L) | |
5844 return FIO_UTF16 | FIO_ENDIAN_L; | |
5845 return FIO_UTF16; | |
5846 } | |
5847 return FIO_UTF8; | |
5848 } | |
5849 if (prop & ENC_LATIN1) | |
5850 return FIO_LATIN1; | |
5851 /* must be ENC_DBCS, requires iconv() */ | |
5852 return 0; | |
5853 } | |
5854 | |
5855 #ifdef WIN3264 | |
5856 /* | |
5857 * Check "ptr" for a MS-Windows codepage name and return the FIO_ flags needed | |
5858 * for the conversion MS-Windows can do for us. Also accept "utf-8". | |
5859 * Used for conversion between 'encoding' and 'fileencoding'. | |
5860 */ | |
5861 static int | |
5862 get_win_fio_flags(ptr) | |
5863 char_u *ptr; | |
5864 { | |
5865 int cp; | |
5866 | |
5867 /* Cannot do this when 'encoding' is not utf-8 and not a codepage. */ | |
5868 if (!enc_utf8 && enc_codepage <= 0) | |
5869 return 0; | |
5870 | |
5871 cp = encname2codepage(ptr); | |
5872 if (cp == 0) | |
5873 { | |
5874 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
5875 if (STRCMP(ptr, "utf-8") == 0) | |
5876 cp = CP_UTF8; | |
5877 else | |
5878 # endif | |
5879 return 0; | |
5880 } | |
5881 return FIO_PUT_CP(cp) | FIO_CODEPAGE; | |
5882 } | |
5883 #endif | |
5884 | |
5885 #ifdef MACOS_X | |
5886 /* | |
5887 * Check "ptr" for a Carbon supported encoding and return the FIO_ flags | |
5888 * needed for the internal conversion to/from utf-8 or latin1. | |
5889 */ | |
5890 static int | |
5891 get_mac_fio_flags(ptr) | |
5892 char_u *ptr; | |
5893 { | |
5894 if ((enc_utf8 || STRCMP(p_enc, "latin1") == 0) | |
5895 && (enc_canon_props(ptr) & ENC_MACROMAN)) | |
5896 return FIO_MACROMAN; | |
5897 return 0; | |
5898 } | |
5899 #endif | |
5900 | |
5901 /* | |
5902 * Check for a Unicode BOM (Byte Order Mark) at the start of p[size]. | |
5903 * "size" must be at least 2. | |
5904 * Return the name of the encoding and set "*lenp" to the length. | |
5905 * Returns NULL when no BOM found. | |
5906 */ | |
5907 static char_u * | |
5908 check_for_bom(p, size, lenp, flags) | |
5909 char_u *p; | |
5910 long size; | |
5911 int *lenp; | |
5912 int flags; | |
5913 { | |
5914 char *name = NULL; | |
5915 int len = 2; | |
5916 | |
5917 if (p[0] == 0xef && p[1] == 0xbb && size >= 3 && p[2] == 0xbf | |
1688 | 5918 && (flags == FIO_ALL || flags == FIO_UTF8 || flags == 0)) |
7 | 5919 { |
5920 name = "utf-8"; /* EF BB BF */ | |
5921 len = 3; | |
5922 } | |
5923 else if (p[0] == 0xff && p[1] == 0xfe) | |
5924 { | |
5925 if (size >= 4 && p[2] == 0 && p[3] == 0 | |
5926 && (flags == FIO_ALL || flags == (FIO_UCS4 | FIO_ENDIAN_L))) | |
5927 { | |
5928 name = "ucs-4le"; /* FF FE 00 00 */ | |
5929 len = 4; | |
5930 } | |
1735 | 5931 else if (flags == (FIO_UCS2 | FIO_ENDIAN_L)) |
7 | 5932 name = "ucs-2le"; /* FF FE */ |
1735 | 5933 else if (flags == FIO_ALL || flags == (FIO_UTF16 | FIO_ENDIAN_L)) |
5934 /* utf-16le is preferred, it also works for ucs-2le text */ | |
7 | 5935 name = "utf-16le"; /* FF FE */ |
5936 } | |
5937 else if (p[0] == 0xfe && p[1] == 0xff | |
5938 && (flags == FIO_ALL || flags == FIO_UCS2 || flags == FIO_UTF16)) | |
5939 { | |
1547 | 5940 /* Default to utf-16, it works also for ucs-2 text. */ |
5941 if (flags == FIO_UCS2) | |
5942 name = "ucs-2"; /* FE FF */ | |
5943 else | |
7 | 5944 name = "utf-16"; /* FE FF */ |
5945 } | |
5946 else if (size >= 4 && p[0] == 0 && p[1] == 0 && p[2] == 0xfe | |
5947 && p[3] == 0xff && (flags == FIO_ALL || flags == FIO_UCS4)) | |
5948 { | |
5949 name = "ucs-4"; /* 00 00 FE FF */ | |
5950 len = 4; | |
5951 } | |
5952 | |
5953 *lenp = len; | |
5954 return (char_u *)name; | |
5955 } | |
5956 | |
5957 /* | |
5958 * Generate a BOM in "buf[4]" for encoding "name". | |
5959 * Return the length of the BOM (zero when no BOM). | |
5960 */ | |
5961 static int | |
5962 make_bom(buf, name) | |
5963 char_u *buf; | |
5964 char_u *name; | |
5965 { | |
5966 int flags; | |
5967 char_u *p; | |
5968 | |
5969 flags = get_fio_flags(name); | |
5970 | |
5971 /* Can't put a BOM in a non-Unicode file. */ | |
5972 if (flags == FIO_LATIN1 || flags == 0) | |
5973 return 0; | |
5974 | |
5975 if (flags == FIO_UTF8) /* UTF-8 */ | |
5976 { | |
5977 buf[0] = 0xef; | |
5978 buf[1] = 0xbb; | |
5979 buf[2] = 0xbf; | |
5980 return 3; | |
5981 } | |
5982 p = buf; | |
5983 (void)ucs2bytes(0xfeff, &p, flags); | |
5984 return (int)(p - buf); | |
5985 } | |
5986 #endif | |
5987 | |
1418 | 5988 #if defined(FEAT_VIMINFO) || defined(FEAT_BROWSE) || \ |
1471 | 5989 defined(FEAT_QUICKFIX) || defined(FEAT_AUTOCMD) || defined(PROTO) |
7 | 5990 /* |
5991 * Try to find a shortname by comparing the fullname with the current | |
5992 * directory. | |
1411 | 5993 * Returns "full_path" or pointer into "full_path" if shortened. |
5994 */ | |
5995 char_u * | |
5996 shorten_fname1(full_path) | |
5997 char_u *full_path; | |
5998 { | |
5999 char_u dirname[MAXPATHL]; | |
6000 char_u *p = full_path; | |
6001 | |
6002 if (mch_dirname(dirname, MAXPATHL) == OK) | |
6003 { | |
6004 p = shorten_fname(full_path, dirname); | |
6005 if (p == NULL || *p == NUL) | |
6006 p = full_path; | |
6007 } | |
6008 return p; | |
6009 } | |
1418 | 6010 #endif |
1411 | 6011 |
6012 /* | |
6013 * Try to find a shortname by comparing the fullname with the current | |
6014 * directory. | |
7 | 6015 * Returns NULL if not shorter name possible, pointer into "full_path" |
6016 * otherwise. | |
6017 */ | |
6018 char_u * | |
6019 shorten_fname(full_path, dir_name) | |
6020 char_u *full_path; | |
6021 char_u *dir_name; | |
6022 { | |
6023 int len; | |
6024 char_u *p; | |
6025 | |
6026 if (full_path == NULL) | |
6027 return NULL; | |
6028 len = (int)STRLEN(dir_name); | |
6029 if (fnamencmp(dir_name, full_path, len) == 0) | |
6030 { | |
6031 p = full_path + len; | |
6032 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
6033 /* | |
6034 * MSDOS: when a file is in the root directory, dir_name will end in a | |
6035 * slash, since C: by itself does not define a specific dir. In this | |
6036 * case p may already be correct. <negri> | |
6037 */ | |
6038 if (!((len > 2) && (*(p - 2) == ':'))) | |
6039 #endif | |
6040 { | |
6041 if (vim_ispathsep(*p)) | |
6042 ++p; | |
6043 #ifndef VMS /* the path separator is always part of the path */ | |
6044 else | |
6045 p = NULL; | |
6046 #endif | |
6047 } | |
6048 } | |
6049 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
6050 /* | |
6051 * When using a file in the current drive, remove the drive name: | |
6052 * "A:\dir\file" -> "\dir\file". This helps when moving a session file on | |
6053 * a floppy from "A:\dir" to "B:\dir". | |
6054 */ | |
6055 else if (len > 3 | |
6056 && TOUPPER_LOC(full_path[0]) == TOUPPER_LOC(dir_name[0]) | |
6057 && full_path[1] == ':' | |
6058 && vim_ispathsep(full_path[2])) | |
6059 p = full_path + 2; | |
6060 #endif | |
6061 else | |
6062 p = NULL; | |
6063 return p; | |
6064 } | |
6065 | |
6066 /* | |
6067 * Shorten filenames for all buffers. | |
6068 * When "force" is TRUE: Use full path from now on for files currently being | |
6069 * edited, both for file name and swap file name. Try to shorten the file | |
6070 * names a bit, if safe to do so. | |
6071 * When "force" is FALSE: Only try to shorten absolute file names. | |
6072 * For buffers that have buftype "nofile" or "scratch": never change the file | |
6073 * name. | |
6074 */ | |
6075 void | |
6076 shorten_fnames(force) | |
6077 int force; | |
6078 { | |
6079 char_u dirname[MAXPATHL]; | |
6080 buf_T *buf; | |
6081 char_u *p; | |
6082 | |
6083 mch_dirname(dirname, MAXPATHL); | |
6084 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
6085 { | |
6086 if (buf->b_fname != NULL | |
6087 #ifdef FEAT_QUICKFIX | |
6088 && !bt_nofile(buf) | |
6089 #endif | |
6090 && !path_with_url(buf->b_fname) | |
6091 && (force | |
6092 || buf->b_sfname == NULL | |
6093 || mch_isFullName(buf->b_sfname))) | |
6094 { | |
6095 vim_free(buf->b_sfname); | |
6096 buf->b_sfname = NULL; | |
6097 p = shorten_fname(buf->b_ffname, dirname); | |
6098 if (p != NULL) | |
6099 { | |
6100 buf->b_sfname = vim_strsave(p); | |
6101 buf->b_fname = buf->b_sfname; | |
6102 } | |
6103 if (p == NULL || buf->b_fname == NULL) | |
6104 buf->b_fname = buf->b_ffname; | |
9 | 6105 } |
6106 | |
6107 /* Always make the swap file name a full path, a "nofile" buffer may | |
6108 * also have a swap file. */ | |
6109 mf_fullname(buf->b_ml.ml_mfp); | |
7 | 6110 } |
6111 #ifdef FEAT_WINDOWS | |
6112 status_redraw_all(); | |
672 | 6113 redraw_tabline = TRUE; |
7 | 6114 #endif |
6115 } | |
6116 | |
6117 #if (defined(FEAT_DND) && defined(FEAT_GUI_GTK)) \ | |
6118 || defined(FEAT_GUI_MSWIN) \ | |
6119 || defined(FEAT_GUI_MAC) \ | |
6120 || defined(PROTO) | |
6121 /* | |
6122 * Shorten all filenames in "fnames[count]" by current directory. | |
6123 */ | |
6124 void | |
6125 shorten_filenames(fnames, count) | |
6126 char_u **fnames; | |
6127 int count; | |
6128 { | |
6129 int i; | |
6130 char_u dirname[MAXPATHL]; | |
6131 char_u *p; | |
6132 | |
6133 if (fnames == NULL || count < 1) | |
6134 return; | |
6135 mch_dirname(dirname, sizeof(dirname)); | |
6136 for (i = 0; i < count; ++i) | |
6137 { | |
6138 if ((p = shorten_fname(fnames[i], dirname)) != NULL) | |
6139 { | |
6140 /* shorten_fname() returns pointer in given "fnames[i]". If free | |
6141 * "fnames[i]" first, "p" becomes invalid. So we need to copy | |
6142 * "p" first then free fnames[i]. */ | |
6143 p = vim_strsave(p); | |
6144 vim_free(fnames[i]); | |
6145 fnames[i] = p; | |
6146 } | |
6147 } | |
6148 } | |
6149 #endif | |
6150 | |
6151 /* | |
1651 | 6152 * add extension to file name - change path/fo.o.h to path/fo.o.h.ext or |
7 | 6153 * fo_o_h.ext for MSDOS or when shortname option set. |
6154 * | |
6155 * Assumed that fname is a valid name found in the filesystem we assure that | |
6156 * the return value is a different name and ends in 'ext'. | |
6157 * "ext" MUST be at most 4 characters long if it starts with a dot, 3 | |
6158 * characters otherwise. | |
6159 * Space for the returned name is allocated, must be freed later. | |
6160 * Returns NULL when out of memory. | |
6161 */ | |
6162 char_u * | |
6163 modname(fname, ext, prepend_dot) | |
6164 char_u *fname, *ext; | |
6165 int prepend_dot; /* may prepend a '.' to file name */ | |
6166 { | |
6167 return buf_modname( | |
6168 #ifdef SHORT_FNAME | |
6169 TRUE, | |
6170 #else | |
6171 (curbuf->b_p_sn || curbuf->b_shortname), | |
6172 #endif | |
6173 fname, ext, prepend_dot); | |
6174 } | |
6175 | |
6176 char_u * | |
6177 buf_modname(shortname, fname, ext, prepend_dot) | |
6178 int shortname; /* use 8.3 file name */ | |
6179 char_u *fname, *ext; | |
6180 int prepend_dot; /* may prepend a '.' to file name */ | |
6181 { | |
6182 char_u *retval; | |
6183 char_u *s; | |
6184 char_u *e; | |
6185 char_u *ptr; | |
6186 int fnamelen, extlen; | |
6187 | |
6188 extlen = (int)STRLEN(ext); | |
6189 | |
6190 /* | |
6191 * If there is no file name we must get the name of the current directory | |
6192 * (we need the full path in case :cd is used). | |
6193 */ | |
6194 if (fname == NULL || *fname == NUL) | |
6195 { | |
6196 retval = alloc((unsigned)(MAXPATHL + extlen + 3)); | |
6197 if (retval == NULL) | |
6198 return NULL; | |
6199 if (mch_dirname(retval, MAXPATHL) == FAIL || | |
6200 (fnamelen = (int)STRLEN(retval)) == 0) | |
6201 { | |
6202 vim_free(retval); | |
6203 return NULL; | |
6204 } | |
39 | 6205 if (!after_pathsep(retval, retval + fnamelen)) |
7 | 6206 { |
6207 retval[fnamelen++] = PATHSEP; | |
6208 retval[fnamelen] = NUL; | |
6209 } | |
6210 #ifndef SHORT_FNAME | |
6211 prepend_dot = FALSE; /* nothing to prepend a dot to */ | |
6212 #endif | |
6213 } | |
6214 else | |
6215 { | |
6216 fnamelen = (int)STRLEN(fname); | |
6217 retval = alloc((unsigned)(fnamelen + extlen + 3)); | |
6218 if (retval == NULL) | |
6219 return NULL; | |
6220 STRCPY(retval, fname); | |
6221 #ifdef VMS | |
6222 vms_remove_version(retval); /* we do not need versions here */ | |
6223 #endif | |
6224 } | |
6225 | |
6226 /* | |
6227 * search backwards until we hit a '/', '\' or ':' replacing all '.' | |
6228 * by '_' for MSDOS or when shortname option set and ext starts with a dot. | |
6229 * Then truncate what is after the '/', '\' or ':' to 8 characters for | |
6230 * MSDOS and 26 characters for AMIGA, a lot more for UNIX. | |
6231 */ | |
391 | 6232 for (ptr = retval + fnamelen; ptr > retval; mb_ptr_back(retval, ptr)) |
7 | 6233 { |
6234 #ifndef RISCOS | |
6235 if (*ext == '.' | |
391 | 6236 # ifdef USE_LONG_FNAME |
7 | 6237 && (!USE_LONG_FNAME || shortname) |
391 | 6238 # else |
6239 # ifndef SHORT_FNAME | |
7 | 6240 && shortname |
391 | 6241 # endif |
7 | 6242 # endif |
6243 ) | |
6244 if (*ptr == '.') /* replace '.' by '_' */ | |
6245 *ptr = '_'; | |
391 | 6246 #endif |
7 | 6247 if (vim_ispathsep(*ptr)) |
391 | 6248 { |
6249 ++ptr; | |
7 | 6250 break; |
391 | 6251 } |
6252 } | |
7 | 6253 |
6254 /* the file name has at most BASENAMELEN characters. */ | |
6255 #ifndef SHORT_FNAME | |
6256 if (STRLEN(ptr) > (unsigned)BASENAMELEN) | |
6257 ptr[BASENAMELEN] = '\0'; | |
6258 #endif | |
6259 | |
6260 s = ptr + STRLEN(ptr); | |
6261 | |
6262 /* | |
6263 * For 8.3 file names we may have to reduce the length. | |
6264 */ | |
6265 #ifdef USE_LONG_FNAME | |
6266 if (!USE_LONG_FNAME || shortname) | |
6267 #else | |
6268 # ifndef SHORT_FNAME | |
6269 if (shortname) | |
6270 # endif | |
6271 #endif | |
6272 { | |
6273 /* | |
6274 * If there is no file name, or the file name ends in '/', and the | |
6275 * extension starts with '.', put a '_' before the dot, because just | |
6276 * ".ext" is invalid. | |
6277 */ | |
6278 if (fname == NULL || *fname == NUL | |
6279 || vim_ispathsep(fname[STRLEN(fname) - 1])) | |
6280 { | |
6281 #ifdef RISCOS | |
6282 if (*ext == '/') | |
6283 #else | |
6284 if (*ext == '.') | |
6285 #endif | |
6286 *s++ = '_'; | |
6287 } | |
6288 /* | |
6289 * If the extension starts with '.', truncate the base name at 8 | |
6290 * characters | |
6291 */ | |
6292 #ifdef RISCOS | |
6293 /* We normally use '/', but swap files are '_' */ | |
6294 else if (*ext == '/' || *ext == '_') | |
6295 #else | |
6296 else if (*ext == '.') | |
6297 #endif | |
6298 { | |
1877 | 6299 if ((size_t)(s - ptr) > (size_t)8) |
7 | 6300 { |
6301 s = ptr + 8; | |
6302 *s = '\0'; | |
6303 } | |
6304 } | |
6305 /* | |
6306 * If the extension doesn't start with '.', and the file name | |
6307 * doesn't have an extension yet, append a '.' | |
6308 */ | |
6309 #ifdef RISCOS | |
6310 else if ((e = vim_strchr(ptr, '/')) == NULL) | |
6311 *s++ = '/'; | |
6312 #else | |
6313 else if ((e = vim_strchr(ptr, '.')) == NULL) | |
6314 *s++ = '.'; | |
6315 #endif | |
6316 /* | |
6317 * If the extension doesn't start with '.', and there already is an | |
1201 | 6318 * extension, it may need to be truncated |
7 | 6319 */ |
6320 else if ((int)STRLEN(e) + extlen > 4) | |
6321 s = e + 4 - extlen; | |
6322 } | |
6323 #if defined(OS2) || defined(USE_LONG_FNAME) || defined(WIN3264) | |
6324 /* | |
6325 * If there is no file name, and the extension starts with '.', put a | |
6326 * '_' before the dot, because just ".ext" may be invalid if it's on a | |
6327 * FAT partition, and on HPFS it doesn't matter. | |
6328 */ | |
6329 else if ((fname == NULL || *fname == NUL) && *ext == '.') | |
6330 *s++ = '_'; | |
6331 #endif | |
6332 | |
6333 /* | |
1651 | 6334 * Append the extension. |
7 | 6335 * ext can start with '.' and cannot exceed 3 more characters. |
6336 */ | |
6337 STRCPY(s, ext); | |
6338 | |
6339 #ifndef SHORT_FNAME | |
6340 /* | |
6341 * Prepend the dot. | |
6342 */ | |
6343 if (prepend_dot && !shortname && *(e = gettail(retval)) != | |
6344 #ifdef RISCOS | |
6345 '/' | |
6346 #else | |
6347 '.' | |
6348 #endif | |
6349 #ifdef USE_LONG_FNAME | |
6350 && USE_LONG_FNAME | |
6351 #endif | |
6352 ) | |
6353 { | |
1620 | 6354 STRMOVE(e + 1, e); |
7 | 6355 #ifdef RISCOS |
6356 *e = '/'; | |
6357 #else | |
6358 *e = '.'; | |
6359 #endif | |
6360 } | |
6361 #endif | |
6362 | |
6363 /* | |
6364 * Check that, after appending the extension, the file name is really | |
6365 * different. | |
6366 */ | |
6367 if (fname != NULL && STRCMP(fname, retval) == 0) | |
6368 { | |
6369 /* we search for a character that can be replaced by '_' */ | |
6370 while (--s >= ptr) | |
6371 { | |
6372 if (*s != '_') | |
6373 { | |
6374 *s = '_'; | |
6375 break; | |
6376 } | |
6377 } | |
6378 if (s < ptr) /* fname was "________.<ext>", how tricky! */ | |
6379 *ptr = 'v'; | |
6380 } | |
6381 return retval; | |
6382 } | |
6383 | |
6384 /* | |
6385 * Like fgets(), but if the file line is too long, it is truncated and the | |
6386 * rest of the line is thrown away. Returns TRUE for end-of-file. | |
6387 */ | |
6388 int | |
6389 vim_fgets(buf, size, fp) | |
6390 char_u *buf; | |
6391 int size; | |
6392 FILE *fp; | |
6393 { | |
6394 char *eof; | |
6395 #define FGETS_SIZE 200 | |
6396 char tbuf[FGETS_SIZE]; | |
6397 | |
6398 buf[size - 2] = NUL; | |
6399 #ifdef USE_CR | |
6400 eof = fgets_cr((char *)buf, size, fp); | |
6401 #else | |
6402 eof = fgets((char *)buf, size, fp); | |
6403 #endif | |
6404 if (buf[size - 2] != NUL && buf[size - 2] != '\n') | |
6405 { | |
6406 buf[size - 1] = NUL; /* Truncate the line */ | |
6407 | |
6408 /* Now throw away the rest of the line: */ | |
6409 do | |
6410 { | |
6411 tbuf[FGETS_SIZE - 2] = NUL; | |
6412 #ifdef USE_CR | |
1757 | 6413 ignoredp = fgets_cr((char *)tbuf, FGETS_SIZE, fp); |
7 | 6414 #else |
1757 | 6415 ignoredp = fgets((char *)tbuf, FGETS_SIZE, fp); |
7 | 6416 #endif |
6417 } while (tbuf[FGETS_SIZE - 2] != NUL && tbuf[FGETS_SIZE - 2] != '\n'); | |
6418 } | |
6419 return (eof == NULL); | |
6420 } | |
6421 | |
6422 #if defined(USE_CR) || defined(PROTO) | |
6423 /* | |
6424 * Like vim_fgets(), but accept any line terminator: CR, CR-LF or LF. | |
6425 * Returns TRUE for end-of-file. | |
6426 * Only used for the Mac, because it's much slower than vim_fgets(). | |
6427 */ | |
6428 int | |
6429 tag_fgets(buf, size, fp) | |
6430 char_u *buf; | |
6431 int size; | |
6432 FILE *fp; | |
6433 { | |
6434 int i = 0; | |
6435 int c; | |
6436 int eof = FALSE; | |
6437 | |
6438 for (;;) | |
6439 { | |
6440 c = fgetc(fp); | |
6441 if (c == EOF) | |
6442 { | |
6443 eof = TRUE; | |
6444 break; | |
6445 } | |
6446 if (c == '\r') | |
6447 { | |
6448 /* Always store a NL for end-of-line. */ | |
6449 if (i < size - 1) | |
6450 buf[i++] = '\n'; | |
6451 c = fgetc(fp); | |
6452 if (c != '\n') /* Macintosh format: single CR. */ | |
6453 ungetc(c, fp); | |
6454 break; | |
6455 } | |
6456 if (i < size - 1) | |
6457 buf[i++] = c; | |
6458 if (c == '\n') | |
6459 break; | |
6460 } | |
6461 buf[i] = NUL; | |
6462 return eof; | |
6463 } | |
6464 #endif | |
6465 | |
6466 /* | |
6467 * rename() only works if both files are on the same file system, this | |
6468 * function will (attempts to?) copy the file across if rename fails -- webb | |
6469 * Return -1 for failure, 0 for success. | |
6470 */ | |
6471 int | |
6472 vim_rename(from, to) | |
6473 char_u *from; | |
6474 char_u *to; | |
6475 { | |
6476 int fd_in; | |
6477 int fd_out; | |
6478 int n; | |
6479 char *errmsg = NULL; | |
6480 char *buffer; | |
6481 #ifdef AMIGA | |
6482 BPTR flock; | |
6483 #endif | |
6484 struct stat st; | |
194 | 6485 long perm; |
199 | 6486 #ifdef HAVE_ACL |
6487 vim_acl_T acl; /* ACL from original file */ | |
6488 #endif | |
1779 | 6489 #if defined(UNIX) || defined(CASE_INSENSITIVE_FILENAME) |
6490 int use_tmp_file = FALSE; | |
6491 #endif | |
7 | 6492 |
6493 /* | |
1779 | 6494 * When the names are identical, there is nothing to do. When they refer |
6495 * to the same file (ignoring case and slash/backslash differences) but | |
6496 * the file name differs we need to go through a temp file. | |
7 | 6497 */ |
6498 if (fnamecmp(from, to) == 0) | |
1779 | 6499 { |
6500 #ifdef CASE_INSENSITIVE_FILENAME | |
6501 if (STRCMP(gettail(from), gettail(to)) != 0) | |
6502 use_tmp_file = TRUE; | |
6503 else | |
6504 #endif | |
6505 return 0; | |
6506 } | |
7 | 6507 |
6508 /* | |
6509 * Fail if the "from" file doesn't exist. Avoids that "to" is deleted. | |
6510 */ | |
6511 if (mch_stat((char *)from, &st) < 0) | |
6512 return -1; | |
6513 | |
1778 | 6514 #ifdef UNIX |
6515 { | |
6516 struct stat st_to; | |
6517 | |
6518 /* It's possible for the source and destination to be the same file. | |
6519 * This happens when "from" and "to" differ in case and are on a FAT32 | |
6520 * filesystem. In that case go through a temp file name. */ | |
6521 if (mch_stat((char *)to, &st_to) >= 0 | |
6522 && st.st_dev == st_to.st_dev | |
6523 && st.st_ino == st_to.st_ino) | |
1779 | 6524 use_tmp_file = TRUE; |
6525 } | |
6526 #endif | |
6527 | |
6528 #if defined(UNIX) || defined(CASE_INSENSITIVE_FILENAME) | |
6529 if (use_tmp_file) | |
6530 { | |
6531 char tempname[MAXPATHL + 1]; | |
6532 | |
6533 /* | |
6534 * Find a name that doesn't exist and is in the same directory. | |
6535 * Rename "from" to "tempname" and then rename "tempname" to "to". | |
6536 */ | |
6537 if (STRLEN(from) >= MAXPATHL - 5) | |
6538 return -1; | |
6539 STRCPY(tempname, from); | |
6540 for (n = 123; n < 99999; ++n) | |
6541 { | |
6542 sprintf((char *)gettail((char_u *)tempname), "%d", n); | |
6543 if (mch_stat(tempname, &st) < 0) | |
6544 { | |
6545 if (mch_rename((char *)from, tempname) == 0) | |
1778 | 6546 { |
1779 | 6547 if (mch_rename(tempname, (char *)to) == 0) |
6548 return 0; | |
6549 /* Strange, the second step failed. Try moving the | |
6550 * file back and return failure. */ | |
6551 mch_rename(tempname, (char *)from); | |
1778 | 6552 return -1; |
6553 } | |
1779 | 6554 /* If it fails for one temp name it will most likely fail |
6555 * for any temp name, give up. */ | |
6556 return -1; | |
6557 } | |
6558 } | |
6559 return -1; | |
1778 | 6560 } |
6561 #endif | |
6562 | |
7 | 6563 /* |
6564 * Delete the "to" file, this is required on some systems to make the | |
6565 * mch_rename() work, on other systems it makes sure that we don't have | |
6566 * two files when the mch_rename() fails. | |
6567 */ | |
6568 | |
6569 #ifdef AMIGA | |
6570 /* | |
6571 * With MSDOS-compatible filesystems (crossdos, messydos) it is possible | |
6572 * that the name of the "to" file is the same as the "from" file, even | |
1201 | 6573 * though the names are different. To avoid the chance of accidentally |
7 | 6574 * deleting the "from" file (horror!) we lock it during the remove. |
6575 * | |
6576 * When used for making a backup before writing the file: This should not | |
6577 * happen with ":w", because startscript() should detect this problem and | |
6578 * set buf->b_shortname, causing modname() to return a correct ".bak" file | |
6579 * name. This problem does exist with ":w filename", but then the | |
6580 * original file will be somewhere else so the backup isn't really | |
6581 * important. If autoscripting is off the rename may fail. | |
6582 */ | |
6583 flock = Lock((UBYTE *)from, (long)ACCESS_READ); | |
6584 #endif | |
6585 mch_remove(to); | |
6586 #ifdef AMIGA | |
6587 if (flock) | |
6588 UnLock(flock); | |
6589 #endif | |
6590 | |
6591 /* | |
6592 * First try a normal rename, return if it works. | |
6593 */ | |
6594 if (mch_rename((char *)from, (char *)to) == 0) | |
6595 return 0; | |
6596 | |
6597 /* | |
6598 * Rename() failed, try copying the file. | |
6599 */ | |
194 | 6600 perm = mch_getperm(from); |
199 | 6601 #ifdef HAVE_ACL |
6602 /* For systems that support ACL: get the ACL from the original file. */ | |
6603 acl = mch_get_acl(from); | |
6604 #endif | |
7 | 6605 fd_in = mch_open((char *)from, O_RDONLY|O_EXTRA, 0); |
6606 if (fd_in == -1) | |
1651 | 6607 { |
6608 #ifdef HAVE_ACL | |
6609 mch_free_acl(acl); | |
6610 #endif | |
7 | 6611 return -1; |
1651 | 6612 } |
194 | 6613 |
6614 /* Create the new file with same permissions as the original. */ | |
557 | 6615 fd_out = mch_open((char *)to, |
6616 O_CREAT|O_EXCL|O_WRONLY|O_EXTRA|O_NOFOLLOW, (int)perm); | |
7 | 6617 if (fd_out == -1) |
6618 { | |
6619 close(fd_in); | |
1651 | 6620 #ifdef HAVE_ACL |
6621 mch_free_acl(acl); | |
6622 #endif | |
7 | 6623 return -1; |
6624 } | |
6625 | |
6626 buffer = (char *)alloc(BUFSIZE); | |
6627 if (buffer == NULL) | |
6628 { | |
1651 | 6629 close(fd_out); |
7 | 6630 close(fd_in); |
1651 | 6631 #ifdef HAVE_ACL |
6632 mch_free_acl(acl); | |
6633 #endif | |
7 | 6634 return -1; |
6635 } | |
6636 | |
6637 while ((n = vim_read(fd_in, buffer, BUFSIZE)) > 0) | |
6638 if (vim_write(fd_out, buffer, n) != n) | |
6639 { | |
6640 errmsg = _("E208: Error writing to \"%s\""); | |
6641 break; | |
6642 } | |
6643 | |
6644 vim_free(buffer); | |
6645 close(fd_in); | |
6646 if (close(fd_out) < 0) | |
6647 errmsg = _("E209: Error closing \"%s\""); | |
6648 if (n < 0) | |
6649 { | |
6650 errmsg = _("E210: Error reading \"%s\""); | |
6651 to = from; | |
6652 } | |
1201 | 6653 #ifndef UNIX /* for Unix mch_open() already set the permission */ |
194 | 6654 mch_setperm(to, perm); |
570 | 6655 #endif |
199 | 6656 #ifdef HAVE_ACL |
6657 mch_set_acl(to, acl); | |
1651 | 6658 mch_free_acl(acl); |
199 | 6659 #endif |
7 | 6660 if (errmsg != NULL) |
6661 { | |
6662 EMSG2(errmsg, to); | |
6663 return -1; | |
6664 } | |
6665 mch_remove(from); | |
6666 return 0; | |
6667 } | |
6668 | |
6669 static int already_warned = FALSE; | |
6670 | |
6671 /* | |
6672 * Check if any not hidden buffer has been changed. | |
6673 * Postpone the check if there are characters in the stuff buffer, a global | |
6674 * command is being executed, a mapping is being executed or an autocommand is | |
6675 * busy. | |
6676 * Returns TRUE if some message was written (screen should be redrawn and | |
6677 * cursor positioned). | |
6678 */ | |
6679 int | |
6680 check_timestamps(focus) | |
6681 int focus; /* called for GUI focus event */ | |
6682 { | |
6683 buf_T *buf; | |
6684 int didit = 0; | |
6685 int n; | |
6686 | |
6687 /* Don't check timestamps while system() or another low-level function may | |
6688 * cause us to lose and gain focus. */ | |
6689 if (no_check_timestamps > 0) | |
6690 return FALSE; | |
6691 | |
6692 /* Avoid doing a check twice. The OK/Reload dialog can cause a focus | |
6693 * event and we would keep on checking if the file is steadily growing. | |
6694 * Do check again after typing something. */ | |
6695 if (focus && did_check_timestamps) | |
6696 { | |
6697 need_check_timestamps = TRUE; | |
6698 return FALSE; | |
6699 } | |
6700 | |
6701 if (!stuff_empty() || global_busy || !typebuf_typed() | |
6702 #ifdef FEAT_AUTOCMD | |
1834 | 6703 || autocmd_busy || curbuf_lock > 0 || allbuf_lock > 0 |
7 | 6704 #endif |
6705 ) | |
6706 need_check_timestamps = TRUE; /* check later */ | |
6707 else | |
6708 { | |
6709 ++no_wait_return; | |
6710 did_check_timestamps = TRUE; | |
6711 already_warned = FALSE; | |
6712 for (buf = firstbuf; buf != NULL; ) | |
6713 { | |
6714 /* Only check buffers in a window. */ | |
6715 if (buf->b_nwindows > 0) | |
6716 { | |
6717 n = buf_check_timestamp(buf, focus); | |
6718 if (didit < n) | |
6719 didit = n; | |
6720 if (n > 0 && !buf_valid(buf)) | |
6721 { | |
6722 /* Autocommands have removed the buffer, start at the | |
6723 * first one again. */ | |
6724 buf = firstbuf; | |
6725 continue; | |
6726 } | |
6727 } | |
6728 buf = buf->b_next; | |
6729 } | |
6730 --no_wait_return; | |
6731 need_check_timestamps = FALSE; | |
6732 if (need_wait_return && didit == 2) | |
6733 { | |
6734 /* make sure msg isn't overwritten */ | |
6735 msg_puts((char_u *)"\n"); | |
6736 out_flush(); | |
6737 } | |
6738 } | |
6739 return didit; | |
6740 } | |
6741 | |
6742 /* | |
6743 * Move all the lines from buffer "frombuf" to buffer "tobuf". | |
6744 * Return OK or FAIL. When FAIL "tobuf" is incomplete and/or "frombuf" is not | |
6745 * empty. | |
6746 */ | |
6747 static int | |
6748 move_lines(frombuf, tobuf) | |
6749 buf_T *frombuf; | |
6750 buf_T *tobuf; | |
6751 { | |
6752 buf_T *tbuf = curbuf; | |
6753 int retval = OK; | |
6754 linenr_T lnum; | |
6755 char_u *p; | |
6756 | |
6757 /* Copy the lines in "frombuf" to "tobuf". */ | |
6758 curbuf = tobuf; | |
6759 for (lnum = 1; lnum <= frombuf->b_ml.ml_line_count; ++lnum) | |
6760 { | |
6761 p = vim_strsave(ml_get_buf(frombuf, lnum, FALSE)); | |
6762 if (p == NULL || ml_append(lnum - 1, p, 0, FALSE) == FAIL) | |
6763 { | |
6764 vim_free(p); | |
6765 retval = FAIL; | |
6766 break; | |
6767 } | |
6768 vim_free(p); | |
6769 } | |
6770 | |
6771 /* Delete all the lines in "frombuf". */ | |
6772 if (retval != FAIL) | |
6773 { | |
6774 curbuf = frombuf; | |
1055 | 6775 for (lnum = curbuf->b_ml.ml_line_count; lnum > 0; --lnum) |
6776 if (ml_delete(lnum, FALSE) == FAIL) | |
7 | 6777 { |
6778 /* Oops! We could try putting back the saved lines, but that | |
6779 * might fail again... */ | |
6780 retval = FAIL; | |
6781 break; | |
6782 } | |
6783 } | |
6784 | |
6785 curbuf = tbuf; | |
6786 return retval; | |
6787 } | |
6788 | |
6789 /* | |
6790 * Check if buffer "buf" has been changed. | |
6791 * Also check if the file for a new buffer unexpectedly appeared. | |
6792 * return 1 if a changed buffer was found. | |
6793 * return 2 if a message has been displayed. | |
6794 * return 0 otherwise. | |
6795 */ | |
6796 int | |
6797 buf_check_timestamp(buf, focus) | |
6798 buf_T *buf; | |
1877 | 6799 int focus UNUSED; /* called for GUI focus event */ |
7 | 6800 { |
6801 struct stat st; | |
6802 int stat_res; | |
6803 int retval = 0; | |
6804 char_u *path; | |
6805 char_u *tbuf; | |
6806 char *mesg = NULL; | |
188 | 6807 char *mesg2 = ""; |
7 | 6808 int helpmesg = FALSE; |
6809 int reload = FALSE; | |
6810 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
6811 int can_reload = FALSE; | |
6812 #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
|
6813 off_t orig_size = buf->b_orig_size; |
7 | 6814 int orig_mode = buf->b_orig_mode; |
6815 #ifdef FEAT_GUI | |
6816 int save_mouse_correct = need_mouse_correct; | |
6817 #endif | |
6818 #ifdef FEAT_AUTOCMD | |
6819 static int busy = FALSE; | |
179 | 6820 int n; |
6821 char_u *s; | |
6822 #endif | |
6823 char *reason; | |
7 | 6824 |
6825 /* If there is no file name, the buffer is not loaded, 'buftype' is | |
6826 * set, we are in the middle of a save or being called recursively: ignore | |
6827 * this buffer. */ | |
6828 if (buf->b_ffname == NULL | |
6829 || buf->b_ml.ml_mfp == NULL | |
6830 #if defined(FEAT_QUICKFIX) | |
6831 || *buf->b_p_bt != NUL | |
6832 #endif | |
6833 || buf->b_saving | |
6834 #ifdef FEAT_AUTOCMD | |
6835 || busy | |
6836 #endif | |
33 | 6837 #ifdef FEAT_NETBEANS_INTG |
6838 || isNetbeansBuffer(buf) | |
6839 #endif | |
7 | 6840 ) |
6841 return 0; | |
6842 | |
6843 if ( !(buf->b_flags & BF_NOTEDITED) | |
6844 && buf->b_mtime != 0 | |
6845 && ((stat_res = mch_stat((char *)buf->b_ffname, &st)) < 0 | |
6846 || time_differs((long)st.st_mtime, buf->b_mtime) | |
6847 #ifdef HAVE_ST_MODE | |
6848 || (int)st.st_mode != buf->b_orig_mode | |
6849 #else | |
6850 || mch_getperm(buf->b_ffname) != buf->b_orig_mode | |
6851 #endif | |
6852 )) | |
6853 { | |
6854 retval = 1; | |
6855 | |
628 | 6856 /* set b_mtime to stop further warnings (e.g., when executing |
6857 * FileChangedShell autocmd) */ | |
7 | 6858 if (stat_res < 0) |
6859 { | |
6860 buf->b_mtime = 0; | |
6861 buf->b_orig_size = 0; | |
6862 buf->b_orig_mode = 0; | |
6863 } | |
6864 else | |
6865 buf_store_time(buf, &st, buf->b_ffname); | |
6866 | |
6867 /* Don't do anything for a directory. Might contain the file | |
6868 * explorer. */ | |
6869 if (mch_isdir(buf->b_fname)) | |
6870 ; | |
6871 | |
6872 /* | |
6873 * If 'autoread' is set, the buffer has no changes and the file still | |
6874 * exists, reload the buffer. Use the buffer-local option value if it | |
6875 * was set, the global option value otherwise. | |
6876 */ | |
6877 else if ((buf->b_p_ar >= 0 ? buf->b_p_ar : p_ar) | |
6878 && !bufIsChanged(buf) && stat_res >= 0) | |
6879 reload = TRUE; | |
6880 else | |
6881 { | |
179 | 6882 if (stat_res < 0) |
6883 reason = "deleted"; | |
6884 else if (bufIsChanged(buf)) | |
6885 reason = "conflict"; | |
6886 else if (orig_size != buf->b_orig_size || buf_contents_changed(buf)) | |
6887 reason = "changed"; | |
6888 else if (orig_mode != buf->b_orig_mode) | |
6889 reason = "mode"; | |
6890 else | |
6891 reason = "time"; | |
6892 | |
7 | 6893 #ifdef FEAT_AUTOCMD |
6894 /* | |
6895 * Only give the warning if there are no FileChangedShell | |
6896 * autocommands. | |
6897 * Avoid being called recursively by setting "busy". | |
6898 */ | |
6899 busy = TRUE; | |
532 | 6900 # ifdef FEAT_EVAL |
179 | 6901 set_vim_var_string(VV_FCS_REASON, (char_u *)reason, -1); |
6902 set_vim_var_string(VV_FCS_CHOICE, (char_u *)"", -1); | |
532 | 6903 # endif |
1834 | 6904 ++allbuf_lock; |
7 | 6905 n = apply_autocmds(EVENT_FILECHANGEDSHELL, |
6906 buf->b_fname, buf->b_fname, FALSE, buf); | |
1834 | 6907 --allbuf_lock; |
7 | 6908 busy = FALSE; |
6909 if (n) | |
6910 { | |
6911 if (!buf_valid(buf)) | |
6912 EMSG(_("E246: FileChangedShell autocommand deleted buffer")); | |
532 | 6913 # ifdef FEAT_EVAL |
179 | 6914 s = get_vim_var_str(VV_FCS_CHOICE); |
6915 if (STRCMP(s, "reload") == 0 && *reason != 'd') | |
6916 reload = TRUE; | |
6917 else if (STRCMP(s, "ask") == 0) | |
6918 n = FALSE; | |
6919 else | |
532 | 6920 # endif |
179 | 6921 return 2; |
7 | 6922 } |
179 | 6923 if (!n) |
7 | 6924 #endif |
6925 { | |
179 | 6926 if (*reason == 'd') |
6927 mesg = _("E211: File \"%s\" no longer available"); | |
7 | 6928 else |
6929 { | |
6930 helpmesg = TRUE; | |
6931 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
6932 can_reload = TRUE; | |
6933 #endif | |
6934 /* | |
6935 * Check if the file contents really changed to avoid | |
6936 * giving a warning when only the timestamp was set (e.g., | |
6937 * checked out of CVS). Always warn when the buffer was | |
6938 * changed. | |
6939 */ | |
179 | 6940 if (reason[2] == 'n') |
6941 { | |
7 | 6942 mesg = _("W12: Warning: File \"%s\" has changed and the buffer was changed in Vim as well"); |
179 | 6943 mesg2 = _("See \":help W12\" for more info."); |
6944 } | |
6945 else if (reason[1] == 'h') | |
6946 { | |
7 | 6947 mesg = _("W11: Warning: File \"%s\" has changed since editing started"); |
179 | 6948 mesg2 = _("See \":help W11\" for more info."); |
6949 } | |
6950 else if (*reason == 'm') | |
6951 { | |
7 | 6952 mesg = _("W16: Warning: Mode of file \"%s\" has changed since editing started"); |
179 | 6953 mesg2 = _("See \":help W16\" for more info."); |
6954 } | |
1913 | 6955 else |
6956 /* Only timestamp changed, store it to avoid a warning | |
6957 * in check_mtime() later. */ | |
6958 buf->b_mtime_read = buf->b_mtime; | |
7 | 6959 } |
6960 } | |
6961 } | |
6962 | |
6963 } | |
6964 else if ((buf->b_flags & BF_NEW) && !(buf->b_flags & BF_NEW_W) | |
6965 && vim_fexists(buf->b_ffname)) | |
6966 { | |
6967 retval = 1; | |
6968 mesg = _("W13: Warning: File \"%s\" has been created after editing started"); | |
6969 buf->b_flags |= BF_NEW_W; | |
6970 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
6971 can_reload = TRUE; | |
6972 #endif | |
6973 } | |
6974 | |
6975 if (mesg != NULL) | |
6976 { | |
6977 path = home_replace_save(buf, buf->b_fname); | |
6978 if (path != NULL) | |
6979 { | |
179 | 6980 if (!helpmesg) |
7 | 6981 mesg2 = ""; |
6982 tbuf = alloc((unsigned)(STRLEN(path) + STRLEN(mesg) | |
6983 + STRLEN(mesg2) + 2)); | |
6984 sprintf((char *)tbuf, mesg, path); | |
1848 | 6985 #ifdef FEAT_EVAL |
6986 /* Set warningmsg here, before the unimportant and output-specific | |
6987 * mesg2 has been appended. */ | |
6988 set_vim_var_string(VV_WARNINGMSG, tbuf, -1); | |
6989 #endif | |
7 | 6990 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) |
6991 if (can_reload) | |
6992 { | |
6993 if (*mesg2 != NUL) | |
6994 { | |
6995 STRCAT(tbuf, "\n"); | |
6996 STRCAT(tbuf, mesg2); | |
6997 } | |
6998 if (do_dialog(VIM_WARNING, (char_u *)_("Warning"), tbuf, | |
6999 (char_u *)_("&OK\n&Load File"), 1, NULL) == 2) | |
7000 reload = TRUE; | |
7001 } | |
7002 else | |
7003 #endif | |
7004 if (State > NORMAL_BUSY || (State & CMDLINE) || already_warned) | |
7005 { | |
7006 if (*mesg2 != NUL) | |
7007 { | |
7008 STRCAT(tbuf, "; "); | |
7009 STRCAT(tbuf, mesg2); | |
7010 } | |
7011 EMSG(tbuf); | |
7012 retval = 2; | |
7013 } | |
7014 else | |
7015 { | |
8 | 7016 # ifdef FEAT_AUTOCMD |
7 | 7017 if (!autocmd_busy) |
8 | 7018 # endif |
7 | 7019 { |
7020 msg_start(); | |
7021 msg_puts_attr(tbuf, hl_attr(HLF_E) + MSG_HIST); | |
7022 if (*mesg2 != NUL) | |
7023 msg_puts_attr((char_u *)mesg2, | |
7024 hl_attr(HLF_W) + MSG_HIST); | |
7025 msg_clr_eos(); | |
7026 (void)msg_end(); | |
7027 if (emsg_silent == 0) | |
7028 { | |
7029 out_flush(); | |
8 | 7030 # ifdef FEAT_GUI |
7 | 7031 if (!focus) |
8 | 7032 # endif |
7 | 7033 /* give the user some time to think about it */ |
7034 ui_delay(1000L, TRUE); | |
7035 | |
7036 /* don't redraw and erase the message */ | |
7037 redraw_cmdline = FALSE; | |
7038 } | |
7039 } | |
7040 already_warned = TRUE; | |
7041 } | |
7042 | |
7043 vim_free(path); | |
7044 vim_free(tbuf); | |
7045 } | |
7046 } | |
7047 | |
7048 if (reload) | |
311 | 7049 /* Reload the buffer. */ |
628 | 7050 buf_reload(buf, orig_mode); |
7 | 7051 |
765 | 7052 #ifdef FEAT_AUTOCMD |
1620 | 7053 /* Trigger FileChangedShell when the file was changed in any way. */ |
7054 if (buf_valid(buf) && retval != 0) | |
765 | 7055 (void)apply_autocmds(EVENT_FILECHANGEDSHELLPOST, |
7056 buf->b_fname, buf->b_fname, FALSE, buf); | |
7057 #endif | |
7 | 7058 #ifdef FEAT_GUI |
7059 /* restore this in case an autocommand has set it; it would break | |
7060 * 'mousefocus' */ | |
7061 need_mouse_correct = save_mouse_correct; | |
7062 #endif | |
7063 | |
7064 return retval; | |
7065 } | |
7066 | |
311 | 7067 /* |
7068 * Reload a buffer that is already loaded. | |
7069 * Used when the file was changed outside of Vim. | |
628 | 7070 * "orig_mode" is buf->b_orig_mode before the need for reloading was detected. |
7071 * buf->b_orig_mode may have been reset already. | |
311 | 7072 */ |
7073 void | |
628 | 7074 buf_reload(buf, orig_mode) |
311 | 7075 buf_T *buf; |
628 | 7076 int orig_mode; |
311 | 7077 { |
7078 exarg_T ea; | |
7079 pos_T old_cursor; | |
7080 linenr_T old_topline; | |
7081 int old_ro = buf->b_p_ro; | |
7082 buf_T *savebuf; | |
7083 int saved = OK; | |
7084 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
|
7085 int flags = READ_NEW; |
311 | 7086 |
7087 /* set curwin/curbuf for "buf" and save some things */ | |
7088 aucmd_prepbuf(&aco, buf); | |
7089 | |
7090 /* We only want to read the text from the file, not reset the syntax | |
7091 * highlighting, clear marks, diff status, etc. Force the fileformat | |
7092 * and encoding to be the same. */ | |
7093 if (prep_exarg(&ea, buf) == OK) | |
7094 { | |
7095 old_cursor = curwin->w_cursor; | |
7096 old_topline = curwin->w_topline; | |
7097 | |
2394
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7098 if (saved == OK && (p_ur < 0 || curbuf->b_ml.ml_line_count <= p_ur)) |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7099 { |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7100 /* 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
|
7101 * 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
|
7102 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
|
7103 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
|
7104 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
|
7105 } |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7106 |
311 | 7107 /* |
7108 * To behave like when a new file is edited (matters for | |
7109 * BufReadPost autocommands) we first need to delete the current | |
7110 * buffer contents. But if reading the file fails we should keep | |
7111 * the old contents. Can't use memory only, the file might be | |
7112 * too big. Use a hidden buffer to move the buffer contents to. | |
7113 */ | |
2394
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7114 if (bufempty() || saved == FAIL) |
311 | 7115 savebuf = NULL; |
7116 else | |
7117 { | |
7118 /* Allocate a buffer without putting it in the buffer list. */ | |
7119 savebuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY); | |
837 | 7120 if (savebuf != NULL && buf == curbuf) |
311 | 7121 { |
7122 /* Open the memline. */ | |
7123 curbuf = savebuf; | |
7124 curwin->w_buffer = savebuf; | |
625 | 7125 saved = ml_open(curbuf); |
311 | 7126 curbuf = buf; |
7127 curwin->w_buffer = buf; | |
7128 } | |
837 | 7129 if (savebuf == NULL || saved == FAIL || buf != curbuf |
311 | 7130 || move_lines(buf, savebuf) == FAIL) |
7131 { | |
7132 EMSG2(_("E462: Could not prepare for reloading \"%s\""), | |
7133 buf->b_fname); | |
7134 saved = FAIL; | |
7135 } | |
7136 } | |
7137 | |
7138 if (saved == OK) | |
7139 { | |
7140 curbuf->b_flags |= BF_CHECK_RO; /* check for RO again */ | |
7141 #ifdef FEAT_AUTOCMD | |
7142 keep_filetype = TRUE; /* don't detect 'filetype' */ | |
7143 #endif | |
7144 if (readfile(buf->b_ffname, buf->b_fname, (linenr_T)0, | |
7145 (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
|
7146 (linenr_T)MAXLNUM, &ea, flags) == FAIL) |
311 | 7147 { |
7148 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) | |
7149 if (!aborting()) | |
7150 #endif | |
7151 EMSG2(_("E321: Could not reload \"%s\""), buf->b_fname); | |
837 | 7152 if (savebuf != NULL && buf_valid(savebuf) && buf == curbuf) |
311 | 7153 { |
7154 /* Put the text back from the save buffer. First | |
7155 * delete any lines that readfile() added. */ | |
7156 while (!bufempty()) | |
837 | 7157 if (ml_delete(buf->b_ml.ml_line_count, FALSE) == FAIL) |
311 | 7158 break; |
7159 (void)move_lines(savebuf, buf); | |
7160 } | |
7161 } | |
2394
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7162 else if (buf == curbuf) /* "buf" still valid */ |
311 | 7163 { |
7164 /* Mark the buffer as unmodified and free undo info. */ | |
7165 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
|
7166 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
|
7167 { |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7168 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
|
7169 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
|
7170 } |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7171 else |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7172 /* 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
|
7173 u_unchanged(curbuf); |
311 | 7174 } |
7175 } | |
7176 vim_free(ea.cmd); | |
7177 | |
837 | 7178 if (savebuf != NULL && buf_valid(savebuf)) |
311 | 7179 wipe_buffer(savebuf, FALSE); |
7180 | |
7181 #ifdef FEAT_DIFF | |
7182 /* Invalidate diff info if necessary. */ | |
837 | 7183 diff_invalidate(curbuf); |
311 | 7184 #endif |
7185 | |
7186 /* Restore the topline and cursor position and check it (lines may | |
7187 * have been removed). */ | |
7188 if (old_topline > curbuf->b_ml.ml_line_count) | |
7189 curwin->w_topline = curbuf->b_ml.ml_line_count; | |
7190 else | |
7191 curwin->w_topline = old_topline; | |
7192 curwin->w_cursor = old_cursor; | |
7193 check_cursor(); | |
7194 update_topline(); | |
7195 #ifdef FEAT_AUTOCMD | |
7196 keep_filetype = FALSE; | |
7197 #endif | |
7198 #ifdef FEAT_FOLDING | |
7199 { | |
1863 | 7200 win_T *wp; |
7201 tabpage_T *tp; | |
311 | 7202 |
7203 /* Update folds unless they are defined manually. */ | |
1863 | 7204 FOR_ALL_TAB_WINDOWS(tp, wp) |
311 | 7205 if (wp->w_buffer == curwin->w_buffer |
7206 && !foldmethodIsManual(wp)) | |
7207 foldUpdateAll(wp); | |
7208 } | |
7209 #endif | |
7210 /* If the mode didn't change and 'readonly' was set, keep the old | |
7211 * value; the user probably used the ":view" command. But don't | |
7212 * reset it, might have had a read error. */ | |
7213 if (orig_mode == curbuf->b_orig_mode) | |
7214 curbuf->b_p_ro |= old_ro; | |
7215 } | |
7216 | |
7217 /* restore curwin/curbuf and a few other things */ | |
7218 aucmd_restbuf(&aco); | |
7219 /* Careful: autocommands may have made "buf" invalid! */ | |
7220 } | |
7221 | |
7 | 7222 void |
7223 buf_store_time(buf, st, fname) | |
7224 buf_T *buf; | |
7225 struct stat *st; | |
1877 | 7226 char_u *fname UNUSED; |
7 | 7227 { |
7228 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
|
7229 buf->b_orig_size = st->st_size; |
7 | 7230 #ifdef HAVE_ST_MODE |
7231 buf->b_orig_mode = (int)st->st_mode; | |
7232 #else | |
7233 buf->b_orig_mode = mch_getperm(fname); | |
7234 #endif | |
7235 } | |
7236 | |
7237 /* | |
7238 * Adjust the line with missing eol, used for the next write. | |
7239 * Used for do_filter(), when the input lines for the filter are deleted. | |
7240 */ | |
7241 void | |
7242 write_lnum_adjust(offset) | |
7243 linenr_T offset; | |
7244 { | |
167 | 7245 if (write_no_eol_lnum != 0) /* only if there is a missing eol */ |
7 | 7246 write_no_eol_lnum += offset; |
7247 } | |
7248 | |
7249 #if defined(TEMPDIRNAMES) || defined(PROTO) | |
7250 static long temp_count = 0; /* Temp filename counter. */ | |
7251 | |
7252 /* | |
7253 * Delete the temp directory and all files it contains. | |
7254 */ | |
7255 void | |
7256 vim_deltempdir() | |
7257 { | |
7258 char_u **files; | |
7259 int file_count; | |
7260 int i; | |
7261 | |
7262 if (vim_tempdir != NULL) | |
7263 { | |
7264 sprintf((char *)NameBuff, "%s*", vim_tempdir); | |
7265 if (gen_expand_wildcards(1, &NameBuff, &file_count, &files, | |
7266 EW_DIR|EW_FILE|EW_SILENT) == OK) | |
7267 { | |
7268 for (i = 0; i < file_count; ++i) | |
7269 mch_remove(files[i]); | |
7270 FreeWild(file_count, files); | |
7271 } | |
7272 gettail(NameBuff)[-1] = NUL; | |
7273 (void)mch_rmdir(NameBuff); | |
7274 | |
7275 vim_free(vim_tempdir); | |
7276 vim_tempdir = NULL; | |
7277 } | |
7278 } | |
7279 #endif | |
7280 | |
2006 | 7281 #ifdef TEMPDIRNAMES |
7 | 7282 /* |
1997 | 7283 * Directory "tempdir" was created. Expand this name to a full path and put |
7284 * it in "vim_tempdir". This avoids that using ":cd" would confuse us. | |
7285 * "tempdir" must be no longer than MAXPATHL. | |
7286 */ | |
7287 static void | |
7288 vim_settempdir(tempdir) | |
7289 char_u *tempdir; | |
7290 { | |
7291 char_u *buf; | |
7292 | |
7293 buf = alloc((unsigned)MAXPATHL + 2); | |
7294 if (buf != NULL) | |
7295 { | |
7296 if (vim_FullName(tempdir, buf, MAXPATHL, FALSE) == FAIL) | |
7297 STRCPY(buf, tempdir); | |
7298 # ifdef __EMX__ | |
7299 if (vim_strchr(buf, '/') != NULL) | |
7300 STRCAT(buf, "/"); | |
7301 else | |
7302 # endif | |
7303 add_pathsep(buf); | |
7304 vim_tempdir = vim_strsave(buf); | |
7305 vim_free(buf); | |
7306 } | |
7307 } | |
2006 | 7308 #endif |
1997 | 7309 |
7310 /* | |
7 | 7311 * vim_tempname(): Return a unique name that can be used for a temp file. |
7312 * | |
7313 * The temp file is NOT created. | |
7314 * | |
7315 * The returned pointer is to allocated memory. | |
7316 * The returned pointer is NULL if no valid name was found. | |
7317 */ | |
7318 char_u * | |
7319 vim_tempname(extra_char) | |
1877 | 7320 int extra_char UNUSED; /* char to use in the name instead of '?' */ |
7 | 7321 { |
7322 #ifdef USE_TMPNAM | |
7323 char_u itmp[L_tmpnam]; /* use tmpnam() */ | |
7324 #else | |
7325 char_u itmp[TEMPNAMELEN]; | |
7326 #endif | |
7327 | |
7328 #ifdef TEMPDIRNAMES | |
7329 static char *(tempdirs[]) = {TEMPDIRNAMES}; | |
7330 int i; | |
7331 # ifndef EEXIST | |
7332 struct stat st; | |
7333 # endif | |
7334 | |
7335 /* | |
7336 * This will create a directory for private use by this instance of Vim. | |
7337 * This is done once, and the same directory is used for all temp files. | |
7338 * This method avoids security problems because of symlink attacks et al. | |
7339 * It's also a bit faster, because we only need to check for an existing | |
7340 * file when creating the directory and not for each temp file. | |
7341 */ | |
7342 if (vim_tempdir == NULL) | |
7343 { | |
7344 /* | |
7345 * Try the entries in TEMPDIRNAMES to create the temp directory. | |
7346 */ | |
1877 | 7347 for (i = 0; i < (int)(sizeof(tempdirs) / sizeof(char *)); ++i) |
7 | 7348 { |
2047
85da03763130
updated for version 7.2.333
Bram Moolenaar <bram@zimbu.org>
parents:
2028
diff
changeset
|
7349 # ifndef HAVE_MKDTEMP |
1997 | 7350 size_t itmplen; |
7351 long nr; | |
7352 long off; | |
7353 # endif | |
7354 | |
7 | 7355 /* expand $TMP, leave room for "/v1100000/999999999" */ |
7356 expand_env((char_u *)tempdirs[i], itmp, TEMPNAMELEN - 20); | |
7357 if (mch_isdir(itmp)) /* directory exists */ | |
7358 { | |
7359 # ifdef __EMX__ | |
7360 /* If $TMP contains a forward slash (perhaps using bash or | |
7361 * tcsh), don't add a backslash, use a forward slash! | |
7362 * Adding 2 backslashes didn't work. */ | |
7363 if (vim_strchr(itmp, '/') != NULL) | |
7364 STRCAT(itmp, "/"); | |
7365 else | |
7366 # endif | |
7367 add_pathsep(itmp); | |
1997 | 7368 |
7369 # ifdef HAVE_MKDTEMP | |
7370 /* Leave room for filename */ | |
7371 STRCAT(itmp, "vXXXXXX"); | |
7372 if (mkdtemp((char *)itmp) != NULL) | |
7373 vim_settempdir(itmp); | |
7374 # else | |
7 | 7375 /* Get an arbitrary number of up to 6 digits. When it's |
7376 * unlikely that it already exists it will be faster, | |
7377 * otherwise it doesn't matter. The use of mkdir() avoids any | |
7378 * security problems because of the predictable number. */ | |
7379 nr = (mch_get_pid() + (long)time(NULL)) % 1000000L; | |
2047
85da03763130
updated for version 7.2.333
Bram Moolenaar <bram@zimbu.org>
parents:
2028
diff
changeset
|
7380 itmplen = STRLEN(itmp); |
7 | 7381 |
7382 /* Try up to 10000 different values until we find a name that | |
7383 * doesn't exist. */ | |
7384 for (off = 0; off < 10000L; ++off) | |
7385 { | |
7386 int r; | |
1997 | 7387 # if defined(UNIX) || defined(VMS) |
7 | 7388 mode_t umask_save; |
1997 | 7389 # endif |
7390 | |
7391 sprintf((char *)itmp + itmplen, "v%ld", nr + off); | |
7392 # ifndef EEXIST | |
7 | 7393 /* If mkdir() does not set errno to EEXIST, check for |
7394 * existing file here. There is a race condition then, | |
7395 * although it's fail-safe. */ | |
7396 if (mch_stat((char *)itmp, &st) >= 0) | |
7397 continue; | |
1997 | 7398 # endif |
7399 # if defined(UNIX) || defined(VMS) | |
7 | 7400 /* Make sure the umask doesn't remove the executable bit. |
7401 * "repl" has been reported to use "177". */ | |
7402 umask_save = umask(077); | |
1997 | 7403 # endif |
7 | 7404 r = vim_mkdir(itmp, 0700); |
1997 | 7405 # if defined(UNIX) || defined(VMS) |
7 | 7406 (void)umask(umask_save); |
1997 | 7407 # endif |
7 | 7408 if (r == 0) |
7409 { | |
1997 | 7410 vim_settempdir(itmp); |
7 | 7411 break; |
7412 } | |
1997 | 7413 # ifdef EEXIST |
7 | 7414 /* If the mkdir() didn't fail because the file/dir exists, |
7415 * we probably can't create any dir here, try another | |
7416 * place. */ | |
7417 if (errno != EEXIST) | |
1997 | 7418 # endif |
7 | 7419 break; |
7420 } | |
1997 | 7421 # endif /* HAVE_MKDTEMP */ |
7 | 7422 if (vim_tempdir != NULL) |
7423 break; | |
7424 } | |
7425 } | |
7426 } | |
7427 | |
7428 if (vim_tempdir != NULL) | |
7429 { | |
7430 /* There is no need to check if the file exists, because we own the | |
7431 * directory and nobody else creates a file in it. */ | |
7432 sprintf((char *)itmp, "%s%ld", vim_tempdir, temp_count++); | |
7433 return vim_strsave(itmp); | |
7434 } | |
7435 | |
7436 return NULL; | |
7437 | |
7438 #else /* TEMPDIRNAMES */ | |
7439 | |
7440 # ifdef WIN3264 | |
7441 char szTempFile[_MAX_PATH + 1]; | |
7442 char buf4[4]; | |
7443 char_u *retval; | |
7444 char_u *p; | |
7445 | |
7446 STRCPY(itmp, ""); | |
7447 if (GetTempPath(_MAX_PATH, szTempFile) == 0) | |
7448 szTempFile[0] = NUL; /* GetTempPath() failed, use current dir */ | |
7449 strcpy(buf4, "VIM"); | |
7450 buf4[2] = extra_char; /* make it "VIa", "VIb", etc. */ | |
7451 if (GetTempFileName(szTempFile, buf4, 0, itmp) == 0) | |
7452 return NULL; | |
7453 /* GetTempFileName() will create the file, we don't want that */ | |
7454 (void)DeleteFile(itmp); | |
7455 | |
7456 /* Backslashes in a temp file name cause problems when filtering with | |
7457 * "sh". NOTE: This also checks 'shellcmdflag' to help those people who | |
7458 * didn't set 'shellslash'. */ | |
7459 retval = vim_strsave(itmp); | |
7460 if (*p_shcf == '-' || p_ssl) | |
7461 for (p = retval; *p; ++p) | |
7462 if (*p == '\\') | |
7463 *p = '/'; | |
7464 return retval; | |
7465 | |
7466 # else /* WIN3264 */ | |
7467 | |
7468 # ifdef USE_TMPNAM | |
7469 /* tmpnam() will make its own name */ | |
7470 if (*tmpnam((char *)itmp) == NUL) | |
7471 return NULL; | |
7472 # else | |
7473 char_u *p; | |
7474 | |
7475 # ifdef VMS_TEMPNAM | |
7476 /* mktemp() is not working on VMS. It seems to be | |
7477 * a do-nothing function. Therefore we use tempnam(). | |
7478 */ | |
7479 sprintf((char *)itmp, "VIM%c", extra_char); | |
7480 p = (char_u *)tempnam("tmp:", (char *)itmp); | |
7481 if (p != NULL) | |
7482 { | |
7483 /* VMS will use '.LOG' if we don't explicitly specify an extension, | |
7484 * and VIM will then be unable to find the file later */ | |
7485 STRCPY(itmp, p); | |
7486 STRCAT(itmp, ".txt"); | |
7487 free(p); | |
7488 } | |
7489 else | |
7490 return NULL; | |
7491 # else | |
7492 STRCPY(itmp, TEMPNAME); | |
7493 if ((p = vim_strchr(itmp, '?')) != NULL) | |
7494 *p = extra_char; | |
7495 if (mktemp((char *)itmp) == NULL) | |
7496 return NULL; | |
7497 # endif | |
7498 # endif | |
7499 | |
7500 return vim_strsave(itmp); | |
7501 # endif /* WIN3264 */ | |
7502 #endif /* TEMPDIRNAMES */ | |
7503 } | |
7504 | |
7505 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO) | |
7506 /* | |
7507 * Convert all backslashes in fname to forward slashes in-place. | |
7508 */ | |
7509 void | |
7510 forward_slash(fname) | |
7511 char_u *fname; | |
7512 { | |
7513 char_u *p; | |
7514 | |
7515 for (p = fname; *p != NUL; ++p) | |
7516 # ifdef FEAT_MBYTE | |
7517 /* The Big5 encoding can have '\' in the trail byte. */ | |
474 | 7518 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
7 | 7519 ++p; |
7520 else | |
7521 # endif | |
7522 if (*p == '\\') | |
7523 *p = '/'; | |
7524 } | |
7525 #endif | |
7526 | |
7527 | |
7528 /* | |
7529 * Code for automatic commands. | |
7530 * | |
7531 * Only included when "FEAT_AUTOCMD" has been defined. | |
7532 */ | |
7533 | |
7534 #if defined(FEAT_AUTOCMD) || defined(PROTO) | |
7535 | |
7536 /* | |
7537 * The autocommands are stored in a list for each event. | |
7538 * Autocommands for the same pattern, that are consecutive, are joined | |
7539 * together, to avoid having to match the pattern too often. | |
7540 * The result is an array of Autopat lists, which point to AutoCmd lists: | |
7541 * | |
7542 * first_autopat[0] --> Autopat.next --> Autopat.next --> NULL | |
7543 * Autopat.cmds Autopat.cmds | |
7544 * | | | |
7545 * V V | |
7546 * AutoCmd.next AutoCmd.next | |
7547 * | | | |
7548 * V V | |
7549 * AutoCmd.next NULL | |
7550 * | | |
7551 * V | |
7552 * NULL | |
7553 * | |
7554 * first_autopat[1] --> Autopat.next --> NULL | |
7555 * Autopat.cmds | |
7556 * | | |
7557 * V | |
7558 * AutoCmd.next | |
7559 * | | |
7560 * V | |
7561 * NULL | |
7562 * etc. | |
7563 * | |
7564 * The order of AutoCmds is important, this is the order in which they were | |
7565 * defined and will have to be executed. | |
7566 */ | |
7567 typedef struct AutoCmd | |
7568 { | |
7569 char_u *cmd; /* The command to be executed (NULL | |
7570 when command has been removed) */ | |
7571 char nested; /* If autocommands nest here */ | |
7572 char last; /* last command in list */ | |
7573 #ifdef FEAT_EVAL | |
7574 scid_T scriptID; /* script ID where defined */ | |
7575 #endif | |
7576 struct AutoCmd *next; /* Next AutoCmd in list */ | |
7577 } AutoCmd; | |
7578 | |
7579 typedef struct AutoPat | |
7580 { | |
7581 int group; /* group ID */ | |
7582 char_u *pat; /* pattern as typed (NULL when pattern | |
7583 has been removed) */ | |
7584 int patlen; /* strlen() of pat */ | |
153 | 7585 regprog_T *reg_prog; /* compiled regprog for pattern */ |
7 | 7586 char allow_dirs; /* Pattern may match whole path */ |
7587 char last; /* last pattern for apply_autocmds() */ | |
7588 AutoCmd *cmds; /* list of commands to do */ | |
7589 struct AutoPat *next; /* next AutoPat in AutoPat list */ | |
40 | 7590 int buflocal_nr; /* !=0 for buffer-local AutoPat */ |
7 | 7591 } AutoPat; |
7592 | |
7593 static struct event_name | |
7594 { | |
7595 char *name; /* event name */ | |
661 | 7596 event_T event; /* event number */ |
7 | 7597 } event_names[] = |
7598 { | |
7599 {"BufAdd", EVENT_BUFADD}, | |
7600 {"BufCreate", EVENT_BUFADD}, | |
7601 {"BufDelete", EVENT_BUFDELETE}, | |
7602 {"BufEnter", EVENT_BUFENTER}, | |
7603 {"BufFilePost", EVENT_BUFFILEPOST}, | |
7604 {"BufFilePre", EVENT_BUFFILEPRE}, | |
7605 {"BufHidden", EVENT_BUFHIDDEN}, | |
7606 {"BufLeave", EVENT_BUFLEAVE}, | |
7607 {"BufNew", EVENT_BUFNEW}, | |
7608 {"BufNewFile", EVENT_BUFNEWFILE}, | |
7609 {"BufRead", EVENT_BUFREADPOST}, | |
7610 {"BufReadCmd", EVENT_BUFREADCMD}, | |
7611 {"BufReadPost", EVENT_BUFREADPOST}, | |
7612 {"BufReadPre", EVENT_BUFREADPRE}, | |
7613 {"BufUnload", EVENT_BUFUNLOAD}, | |
7614 {"BufWinEnter", EVENT_BUFWINENTER}, | |
7615 {"BufWinLeave", EVENT_BUFWINLEAVE}, | |
7616 {"BufWipeout", EVENT_BUFWIPEOUT}, | |
7617 {"BufWrite", EVENT_BUFWRITEPRE}, | |
7618 {"BufWritePost", EVENT_BUFWRITEPOST}, | |
7619 {"BufWritePre", EVENT_BUFWRITEPRE}, | |
7620 {"BufWriteCmd", EVENT_BUFWRITECMD}, | |
7621 {"CmdwinEnter", EVENT_CMDWINENTER}, | |
7622 {"CmdwinLeave", EVENT_CMDWINLEAVE}, | |
12 | 7623 {"ColorScheme", EVENT_COLORSCHEME}, |
661 | 7624 {"CursorHold", EVENT_CURSORHOLD}, |
7625 {"CursorHoldI", EVENT_CURSORHOLDI}, | |
7626 {"CursorMoved", EVENT_CURSORMOVED}, | |
7627 {"CursorMovedI", EVENT_CURSORMOVEDI}, | |
7 | 7628 {"EncodingChanged", EVENT_ENCODINGCHANGED}, |
7629 {"FileEncoding", EVENT_ENCODINGCHANGED}, | |
7630 {"FileAppendPost", EVENT_FILEAPPENDPOST}, | |
7631 {"FileAppendPre", EVENT_FILEAPPENDPRE}, | |
7632 {"FileAppendCmd", EVENT_FILEAPPENDCMD}, | |
7633 {"FileChangedShell",EVENT_FILECHANGEDSHELL}, | |
765 | 7634 {"FileChangedShellPost",EVENT_FILECHANGEDSHELLPOST}, |
7 | 7635 {"FileChangedRO", EVENT_FILECHANGEDRO}, |
7636 {"FileReadPost", EVENT_FILEREADPOST}, | |
7637 {"FileReadPre", EVENT_FILEREADPRE}, | |
7638 {"FileReadCmd", EVENT_FILEREADCMD}, | |
7639 {"FileType", EVENT_FILETYPE}, | |
7640 {"FileWritePost", EVENT_FILEWRITEPOST}, | |
7641 {"FileWritePre", EVENT_FILEWRITEPRE}, | |
7642 {"FileWriteCmd", EVENT_FILEWRITECMD}, | |
7643 {"FilterReadPost", EVENT_FILTERREADPOST}, | |
7644 {"FilterReadPre", EVENT_FILTERREADPRE}, | |
7645 {"FilterWritePost", EVENT_FILTERWRITEPOST}, | |
7646 {"FilterWritePre", EVENT_FILTERWRITEPRE}, | |
7647 {"FocusGained", EVENT_FOCUSGAINED}, | |
7648 {"FocusLost", EVENT_FOCUSLOST}, | |
7649 {"FuncUndefined", EVENT_FUNCUNDEFINED}, | |
7650 {"GUIEnter", EVENT_GUIENTER}, | |
946 | 7651 {"GUIFailed", EVENT_GUIFAILED}, |
11 | 7652 {"InsertChange", EVENT_INSERTCHANGE}, |
7653 {"InsertEnter", EVENT_INSERTENTER}, | |
7654 {"InsertLeave", EVENT_INSERTLEAVE}, | |
434 | 7655 {"MenuPopup", EVENT_MENUPOPUP}, |
161 | 7656 {"QuickFixCmdPost", EVENT_QUICKFIXCMDPOST}, |
7657 {"QuickFixCmdPre", EVENT_QUICKFIXCMDPRE}, | |
7 | 7658 {"RemoteReply", EVENT_REMOTEREPLY}, |
574 | 7659 {"SessionLoadPost", EVENT_SESSIONLOADPOST}, |
723 | 7660 {"ShellCmdPost", EVENT_SHELLCMDPOST}, |
7661 {"ShellFilterPost", EVENT_SHELLFILTERPOST}, | |
715 | 7662 {"SourcePre", EVENT_SOURCEPRE}, |
1061 | 7663 {"SourceCmd", EVENT_SOURCECMD}, |
649 | 7664 {"SpellFileMissing",EVENT_SPELLFILEMISSING}, |
7 | 7665 {"StdinReadPost", EVENT_STDINREADPOST}, |
7666 {"StdinReadPre", EVENT_STDINREADPRE}, | |
674 | 7667 {"SwapExists", EVENT_SWAPEXISTS}, |
7 | 7668 {"Syntax", EVENT_SYNTAX}, |
676 | 7669 {"TabEnter", EVENT_TABENTER}, |
7670 {"TabLeave", EVENT_TABLEAVE}, | |
7 | 7671 {"TermChanged", EVENT_TERMCHANGED}, |
7672 {"TermResponse", EVENT_TERMRESPONSE}, | |
7673 {"User", EVENT_USER}, | |
7674 {"VimEnter", EVENT_VIMENTER}, | |
7675 {"VimLeave", EVENT_VIMLEAVE}, | |
7676 {"VimLeavePre", EVENT_VIMLEAVEPRE}, | |
7677 {"WinEnter", EVENT_WINENTER}, | |
7678 {"WinLeave", EVENT_WINLEAVE}, | |
765 | 7679 {"VimResized", EVENT_VIMRESIZED}, |
661 | 7680 {NULL, (event_T)0} |
7 | 7681 }; |
7682 | |
7683 static AutoPat *first_autopat[NUM_EVENTS] = | |
7684 { | |
7685 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
7686 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
7687 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
7688 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
18 | 7689 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, |
7690 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL | |
7 | 7691 }; |
7692 | |
7693 /* | |
7694 * struct used to keep status while executing autocommands for an event. | |
7695 */ | |
7696 typedef struct AutoPatCmd | |
7697 { | |
7698 AutoPat *curpat; /* next AutoPat to examine */ | |
7699 AutoCmd *nextcmd; /* next AutoCmd to execute */ | |
7700 int group; /* group being used */ | |
7701 char_u *fname; /* fname to match with */ | |
7702 char_u *sfname; /* sfname to match with */ | |
7703 char_u *tail; /* tail of fname */ | |
661 | 7704 event_T event; /* current event */ |
40 | 7705 int arg_bufnr; /* initially equal to <abuf>, set to zero when |
7706 buf is deleted */ | |
7707 struct AutoPatCmd *next; /* chain of active apc-s for auto-invalidation*/ | |
7 | 7708 } AutoPatCmd; |
7709 | |
297 | 7710 static AutoPatCmd *active_apc_list = NULL; /* stack of active autocommands */ |
40 | 7711 |
7 | 7712 /* |
7713 * augroups stores a list of autocmd group names. | |
7714 */ | |
297 | 7715 static garray_T augroups = {0, 0, sizeof(char_u *), 10, NULL}; |
7 | 7716 #define AUGROUP_NAME(i) (((char_u **)augroups.ga_data)[i]) |
7717 | |
7718 /* | |
7719 * The ID of the current group. Group 0 is the default one. | |
7720 */ | |
7721 static int current_augroup = AUGROUP_DEFAULT; | |
7722 | |
7723 static int au_need_clean = FALSE; /* need to delete marked patterns */ | |
7724 | |
661 | 7725 static void show_autocmd __ARGS((AutoPat *ap, event_T event)); |
7 | 7726 static void au_remove_pat __ARGS((AutoPat *ap)); |
7727 static void au_remove_cmds __ARGS((AutoPat *ap)); | |
7728 static void au_cleanup __ARGS((void)); | |
7729 static int au_new_group __ARGS((char_u *name)); | |
7730 static void au_del_group __ARGS((char_u *name)); | |
661 | 7731 static event_T event_name2nr __ARGS((char_u *start, char_u **end)); |
7732 static char_u *event_nr2name __ARGS((event_T event)); | |
7 | 7733 static char_u *find_end_event __ARGS((char_u *arg, int have_group)); |
661 | 7734 static int event_ignored __ARGS((event_T event)); |
7 | 7735 static int au_get_grouparg __ARGS((char_u **argp)); |
661 | 7736 static int do_autocmd_event __ARGS((event_T event, char_u *pat, int nested, char_u *cmd, int forceit, int group)); |
7 | 7737 static char_u *getnextac __ARGS((int c, void *cookie, int indent)); |
661 | 7738 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 | 7739 static void auto_next_pat __ARGS((AutoPatCmd *apc, int stop_at_last)); |
7740 | |
40 | 7741 |
661 | 7742 static event_T last_event; |
7 | 7743 static int last_group; |
1410 | 7744 static int autocmd_blocked = 0; /* block all autocmds */ |
7 | 7745 |
7746 /* | |
7747 * Show the autocommands for one AutoPat. | |
7748 */ | |
7749 static void | |
7750 show_autocmd(ap, event) | |
7751 AutoPat *ap; | |
661 | 7752 event_T event; |
7 | 7753 { |
7754 AutoCmd *ac; | |
7755 | |
7756 /* Check for "got_int" (here and at various places below), which is set | |
7757 * when "q" has been hit for the "--more--" prompt */ | |
7758 if (got_int) | |
7759 return; | |
7760 if (ap->pat == NULL) /* pattern has been removed */ | |
7761 return; | |
7762 | |
7763 msg_putchar('\n'); | |
7764 if (got_int) | |
7765 return; | |
7766 if (event != last_event || ap->group != last_group) | |
7767 { | |
7768 if (ap->group != AUGROUP_DEFAULT) | |
7769 { | |
7770 if (AUGROUP_NAME(ap->group) == NULL) | |
7771 msg_puts_attr((char_u *)_("--Deleted--"), hl_attr(HLF_E)); | |
7772 else | |
7773 msg_puts_attr(AUGROUP_NAME(ap->group), hl_attr(HLF_T)); | |
7774 msg_puts((char_u *)" "); | |
7775 } | |
7776 msg_puts_attr(event_nr2name(event), hl_attr(HLF_T)); | |
7777 last_event = event; | |
7778 last_group = ap->group; | |
7779 msg_putchar('\n'); | |
7780 if (got_int) | |
7781 return; | |
7782 } | |
7783 msg_col = 4; | |
7784 msg_outtrans(ap->pat); | |
7785 | |
7786 for (ac = ap->cmds; ac != NULL; ac = ac->next) | |
7787 { | |
7788 if (ac->cmd != NULL) /* skip removed commands */ | |
7789 { | |
7790 if (msg_col >= 14) | |
7791 msg_putchar('\n'); | |
7792 msg_col = 14; | |
7793 if (got_int) | |
7794 return; | |
7795 msg_outtrans(ac->cmd); | |
500 | 7796 #ifdef FEAT_EVAL |
7797 if (p_verbose > 0) | |
7798 last_set_msg(ac->scriptID); | |
7799 #endif | |
7 | 7800 if (got_int) |
7801 return; | |
7802 if (ac->next != NULL) | |
7803 { | |
7804 msg_putchar('\n'); | |
7805 if (got_int) | |
7806 return; | |
7807 } | |
7808 } | |
7809 } | |
7810 } | |
7811 | |
7812 /* | |
7813 * Mark an autocommand pattern for deletion. | |
7814 */ | |
7815 static void | |
7816 au_remove_pat(ap) | |
7817 AutoPat *ap; | |
7818 { | |
7819 vim_free(ap->pat); | |
7820 ap->pat = NULL; | |
40 | 7821 ap->buflocal_nr = -1; |
7 | 7822 au_need_clean = TRUE; |
7823 } | |
7824 | |
7825 /* | |
7826 * Mark all commands for a pattern for deletion. | |
7827 */ | |
7828 static void | |
7829 au_remove_cmds(ap) | |
7830 AutoPat *ap; | |
7831 { | |
7832 AutoCmd *ac; | |
7833 | |
7834 for (ac = ap->cmds; ac != NULL; ac = ac->next) | |
7835 { | |
7836 vim_free(ac->cmd); | |
7837 ac->cmd = NULL; | |
7838 } | |
7839 au_need_clean = TRUE; | |
7840 } | |
7841 | |
7842 /* | |
7843 * Cleanup autocommands and patterns that have been deleted. | |
7844 * This is only done when not executing autocommands. | |
7845 */ | |
7846 static void | |
7847 au_cleanup() | |
7848 { | |
7849 AutoPat *ap, **prev_ap; | |
7850 AutoCmd *ac, **prev_ac; | |
661 | 7851 event_T event; |
7 | 7852 |
7853 if (autocmd_busy || !au_need_clean) | |
7854 return; | |
7855 | |
7856 /* loop over all events */ | |
661 | 7857 for (event = (event_T)0; (int)event < (int)NUM_EVENTS; |
7858 event = (event_T)((int)event + 1)) | |
7 | 7859 { |
7860 /* loop over all autocommand patterns */ | |
7861 prev_ap = &(first_autopat[(int)event]); | |
7862 for (ap = *prev_ap; ap != NULL; ap = *prev_ap) | |
7863 { | |
7864 /* loop over all commands for this pattern */ | |
7865 prev_ac = &(ap->cmds); | |
7866 for (ac = *prev_ac; ac != NULL; ac = *prev_ac) | |
7867 { | |
7868 /* remove the command if the pattern is to be deleted or when | |
7869 * the command has been marked for deletion */ | |
7870 if (ap->pat == NULL || ac->cmd == NULL) | |
7871 { | |
7872 *prev_ac = ac->next; | |
7873 vim_free(ac->cmd); | |
7874 vim_free(ac); | |
7875 } | |
7876 else | |
7877 prev_ac = &(ac->next); | |
7878 } | |
7879 | |
7880 /* remove the pattern if it has been marked for deletion */ | |
7881 if (ap->pat == NULL) | |
7882 { | |
7883 *prev_ap = ap->next; | |
153 | 7884 vim_free(ap->reg_prog); |
7 | 7885 vim_free(ap); |
7886 } | |
7887 else | |
7888 prev_ap = &(ap->next); | |
7889 } | |
7890 } | |
7891 | |
7892 au_need_clean = FALSE; | |
7893 } | |
7894 | |
7895 /* | |
40 | 7896 * Called when buffer is freed, to remove/invalidate related buffer-local |
7897 * autocmds. | |
7898 */ | |
7899 void | |
7900 aubuflocal_remove(buf) | |
7901 buf_T *buf; | |
7902 { | |
7903 AutoPat *ap; | |
661 | 7904 event_T event; |
40 | 7905 AutoPatCmd *apc; |
7906 | |
7907 /* invalidate currently executing autocommands */ | |
7908 for (apc = active_apc_list; apc; apc = apc->next) | |
7909 if (buf->b_fnum == apc->arg_bufnr) | |
7910 apc->arg_bufnr = 0; | |
7911 | |
7912 /* invalidate buflocals looping through events */ | |
661 | 7913 for (event = (event_T)0; (int)event < (int)NUM_EVENTS; |
7914 event = (event_T)((int)event + 1)) | |
40 | 7915 /* loop over all autocommand patterns */ |
7916 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next) | |
7917 if (ap->buflocal_nr == buf->b_fnum) | |
7918 { | |
7919 au_remove_pat(ap); | |
7920 if (p_verbose >= 6) | |
292 | 7921 { |
7922 verbose_enter(); | |
40 | 7923 smsg((char_u *) |
7924 _("auto-removing autocommand: %s <buffer=%d>"), | |
7925 event_nr2name(event), buf->b_fnum); | |
292 | 7926 verbose_leave(); |
7927 } | |
40 | 7928 } |
7929 au_cleanup(); | |
7930 } | |
7931 | |
7932 /* | |
7 | 7933 * Add an autocmd group name. |
7934 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error. | |
7935 */ | |
7936 static int | |
7937 au_new_group(name) | |
7938 char_u *name; | |
7939 { | |
7940 int i; | |
7941 | |
7942 i = au_find_group(name); | |
7943 if (i == AUGROUP_ERROR) /* the group doesn't exist yet, add it */ | |
7944 { | |
7945 /* First try using a free entry. */ | |
7946 for (i = 0; i < augroups.ga_len; ++i) | |
7947 if (AUGROUP_NAME(i) == NULL) | |
7948 break; | |
7949 if (i == augroups.ga_len && ga_grow(&augroups, 1) == FAIL) | |
7950 return AUGROUP_ERROR; | |
7951 | |
7952 AUGROUP_NAME(i) = vim_strsave(name); | |
7953 if (AUGROUP_NAME(i) == NULL) | |
7954 return AUGROUP_ERROR; | |
7955 if (i == augroups.ga_len) | |
7956 ++augroups.ga_len; | |
7957 } | |
7958 | |
7959 return i; | |
7960 } | |
7961 | |
7962 static void | |
7963 au_del_group(name) | |
7964 char_u *name; | |
7965 { | |
7966 int i; | |
7967 | |
7968 i = au_find_group(name); | |
7969 if (i == AUGROUP_ERROR) /* the group doesn't exist */ | |
7970 EMSG2(_("E367: No such group: \"%s\""), name); | |
7971 else | |
7972 { | |
7973 vim_free(AUGROUP_NAME(i)); | |
7974 AUGROUP_NAME(i) = NULL; | |
7975 } | |
7976 } | |
7977 | |
7978 /* | |
7979 * Find the ID of an autocmd group name. | |
7980 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error. | |
7981 */ | |
7982 static int | |
7983 au_find_group(name) | |
7984 char_u *name; | |
7985 { | |
7986 int i; | |
7987 | |
7988 for (i = 0; i < augroups.ga_len; ++i) | |
7989 if (AUGROUP_NAME(i) != NULL && STRCMP(AUGROUP_NAME(i), name) == 0) | |
7990 return i; | |
7991 return AUGROUP_ERROR; | |
7992 } | |
7993 | |
461 | 7994 /* |
7995 * Return TRUE if augroup "name" exists. | |
7996 */ | |
7997 int | |
7998 au_has_group(name) | |
7999 char_u *name; | |
8000 { | |
8001 return au_find_group(name) != AUGROUP_ERROR; | |
8002 } | |
8003 | |
7 | 8004 /* |
8005 * ":augroup {name}". | |
8006 */ | |
8007 void | |
8008 do_augroup(arg, del_group) | |
8009 char_u *arg; | |
8010 int del_group; | |
8011 { | |
8012 int i; | |
8013 | |
8014 if (del_group) | |
8015 { | |
8016 if (*arg == NUL) | |
8017 EMSG(_(e_argreq)); | |
8018 else | |
8019 au_del_group(arg); | |
8020 } | |
8021 else if (STRICMP(arg, "end") == 0) /* ":aug end": back to group 0 */ | |
8022 current_augroup = AUGROUP_DEFAULT; | |
8023 else if (*arg) /* ":aug xxx": switch to group xxx */ | |
8024 { | |
8025 i = au_new_group(arg); | |
8026 if (i != AUGROUP_ERROR) | |
8027 current_augroup = i; | |
8028 } | |
8029 else /* ":aug": list the group names */ | |
8030 { | |
8031 msg_start(); | |
8032 for (i = 0; i < augroups.ga_len; ++i) | |
8033 { | |
8034 if (AUGROUP_NAME(i) != NULL) | |
8035 { | |
8036 msg_puts(AUGROUP_NAME(i)); | |
8037 msg_puts((char_u *)" "); | |
8038 } | |
8039 } | |
8040 msg_clr_eos(); | |
8041 msg_end(); | |
8042 } | |
8043 } | |
8044 | |
355 | 8045 #if defined(EXITFREE) || defined(PROTO) |
8046 void | |
8047 free_all_autocmds() | |
8048 { | |
8049 for (current_augroup = -1; current_augroup < augroups.ga_len; | |
8050 ++current_augroup) | |
8051 do_autocmd((char_u *)"", TRUE); | |
8052 ga_clear_strings(&augroups); | |
8053 } | |
8054 #endif | |
8055 | |
7 | 8056 /* |
8057 * Return the event number for event name "start". | |
8058 * Return NUM_EVENTS if the event name was not found. | |
8059 * Return a pointer to the next event name in "end". | |
8060 */ | |
661 | 8061 static event_T |
7 | 8062 event_name2nr(start, end) |
8063 char_u *start; | |
8064 char_u **end; | |
8065 { | |
8066 char_u *p; | |
8067 int i; | |
8068 int len; | |
8069 | |
8070 /* the event name ends with end of line, a blank or a comma */ | |
8071 for (p = start; *p && !vim_iswhite(*p) && *p != ','; ++p) | |
8072 ; | |
8073 for (i = 0; event_names[i].name != NULL; ++i) | |
8074 { | |
8075 len = (int)STRLEN(event_names[i].name); | |
8076 if (len == p - start && STRNICMP(event_names[i].name, start, len) == 0) | |
8077 break; | |
8078 } | |
8079 if (*p == ',') | |
8080 ++p; | |
8081 *end = p; | |
8082 if (event_names[i].name == NULL) | |
8083 return NUM_EVENTS; | |
8084 return event_names[i].event; | |
8085 } | |
8086 | |
8087 /* | |
8088 * Return the name for event "event". | |
8089 */ | |
8090 static char_u * | |
8091 event_nr2name(event) | |
661 | 8092 event_T event; |
7 | 8093 { |
8094 int i; | |
8095 | |
8096 for (i = 0; event_names[i].name != NULL; ++i) | |
8097 if (event_names[i].event == event) | |
8098 return (char_u *)event_names[i].name; | |
8099 return (char_u *)"Unknown"; | |
8100 } | |
8101 | |
8102 /* | |
8103 * Scan over the events. "*" stands for all events. | |
8104 */ | |
8105 static char_u * | |
8106 find_end_event(arg, have_group) | |
8107 char_u *arg; | |
8108 int have_group; /* TRUE when group name was found */ | |
8109 { | |
8110 char_u *pat; | |
8111 char_u *p; | |
8112 | |
8113 if (*arg == '*') | |
8114 { | |
8115 if (arg[1] && !vim_iswhite(arg[1])) | |
8116 { | |
8117 EMSG2(_("E215: Illegal character after *: %s"), arg); | |
8118 return NULL; | |
8119 } | |
8120 pat = arg + 1; | |
8121 } | |
8122 else | |
8123 { | |
8124 for (pat = arg; *pat && !vim_iswhite(*pat); pat = p) | |
8125 { | |
8126 if ((int)event_name2nr(pat, &p) >= (int)NUM_EVENTS) | |
8127 { | |
8128 if (have_group) | |
8129 EMSG2(_("E216: No such event: %s"), pat); | |
8130 else | |
8131 EMSG2(_("E216: No such group or event: %s"), pat); | |
8132 return NULL; | |
8133 } | |
8134 } | |
8135 } | |
8136 return pat; | |
8137 } | |
8138 | |
8139 /* | |
8140 * Return TRUE if "event" is included in 'eventignore'. | |
8141 */ | |
8142 static int | |
8143 event_ignored(event) | |
661 | 8144 event_T event; |
7 | 8145 { |
8146 char_u *p = p_ei; | |
8147 | |
844 | 8148 while (*p != NUL) |
8149 { | |
8150 if (STRNICMP(p, "all", 3) == 0 && (p[3] == NUL || p[3] == ',')) | |
8151 return TRUE; | |
7 | 8152 if (event_name2nr(p, &p) == event) |
8153 return TRUE; | |
844 | 8154 } |
7 | 8155 |
8156 return FALSE; | |
8157 } | |
8158 | |
8159 /* | |
8160 * Return OK when the contents of p_ei is valid, FAIL otherwise. | |
8161 */ | |
8162 int | |
8163 check_ei() | |
8164 { | |
8165 char_u *p = p_ei; | |
8166 | |
8167 while (*p) | |
844 | 8168 { |
8169 if (STRNICMP(p, "all", 3) == 0 && (p[3] == NUL || p[3] == ',')) | |
8170 { | |
8171 p += 3; | |
8172 if (*p == ',') | |
8173 ++p; | |
8174 } | |
8175 else if (event_name2nr(p, &p) == NUM_EVENTS) | |
7 | 8176 return FAIL; |
844 | 8177 } |
7 | 8178 |
8179 return OK; | |
8180 } | |
8181 | |
123 | 8182 # if defined(FEAT_SYN_HL) || defined(PROTO) |
8183 | |
8184 /* | |
8185 * Add "what" to 'eventignore' to skip loading syntax highlighting for every | |
8186 * buffer loaded into the window. "what" must start with a comma. | |
8187 * Returns the old value of 'eventignore' in allocated memory. | |
8188 */ | |
8189 char_u * | |
8190 au_event_disable(what) | |
8191 char *what; | |
8192 { | |
8193 char_u *new_ei; | |
8194 char_u *save_ei; | |
8195 | |
8196 save_ei = vim_strsave(p_ei); | |
8197 if (save_ei != NULL) | |
8198 { | |
557 | 8199 new_ei = vim_strnsave(p_ei, (int)(STRLEN(p_ei) + STRLEN(what))); |
123 | 8200 if (new_ei != NULL) |
8201 { | |
2095
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
8202 if (*what == ',' && *p_ei == NUL) |
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
8203 STRCPY(new_ei, what + 1); |
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
8204 else |
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
8205 STRCAT(new_ei, what); |
694 | 8206 set_string_option_direct((char_u *)"ei", -1, new_ei, |
8207 OPT_FREE, SID_NONE); | |
123 | 8208 vim_free(new_ei); |
8209 } | |
8210 } | |
8211 return save_ei; | |
8212 } | |
8213 | |
8214 void | |
8215 au_event_restore(old_ei) | |
8216 char_u *old_ei; | |
8217 { | |
8218 if (old_ei != NULL) | |
8219 { | |
694 | 8220 set_string_option_direct((char_u *)"ei", -1, old_ei, |
8221 OPT_FREE, SID_NONE); | |
123 | 8222 vim_free(old_ei); |
8223 } | |
8224 } | |
8225 # endif /* FEAT_SYN_HL */ | |
8226 | |
7 | 8227 /* |
8228 * do_autocmd() -- implements the :autocmd command. Can be used in the | |
8229 * following ways: | |
8230 * | |
8231 * :autocmd <event> <pat> <cmd> Add <cmd> to the list of commands that | |
8232 * will be automatically executed for <event> | |
8233 * when editing a file matching <pat>, in | |
8234 * the current group. | |
8235 * :autocmd <event> <pat> Show the auto-commands associated with | |
8236 * <event> and <pat>. | |
8237 * :autocmd <event> Show the auto-commands associated with | |
8238 * <event>. | |
8239 * :autocmd Show all auto-commands. | |
8240 * :autocmd! <event> <pat> <cmd> Remove all auto-commands associated with | |
8241 * <event> and <pat>, and add the command | |
8242 * <cmd>, for the current group. | |
8243 * :autocmd! <event> <pat> Remove all auto-commands associated with | |
8244 * <event> and <pat> for the current group. | |
8245 * :autocmd! <event> Remove all auto-commands associated with | |
8246 * <event> for the current group. | |
8247 * :autocmd! Remove ALL auto-commands for the current | |
8248 * group. | |
8249 * | |
8250 * Multiple events and patterns may be given separated by commas. Here are | |
8251 * some examples: | |
8252 * :autocmd bufread,bufenter *.c,*.h set tw=0 smartindent noic | |
8253 * :autocmd bufleave * set tw=79 nosmartindent ic infercase | |
8254 * | |
8255 * :autocmd * *.c show all autocommands for *.c files. | |
609 | 8256 * |
8257 * Mostly a {group} argument can optionally appear before <event>. | |
7 | 8258 */ |
8259 void | |
8260 do_autocmd(arg, forceit) | |
8261 char_u *arg; | |
8262 int forceit; | |
8263 { | |
8264 char_u *pat; | |
8265 char_u *envpat = NULL; | |
8266 char_u *cmd; | |
661 | 8267 event_T event; |
7 | 8268 int need_free = FALSE; |
8269 int nested = FALSE; | |
8270 int group; | |
8271 | |
8272 /* | |
8273 * Check for a legal group name. If not, use AUGROUP_ALL. | |
8274 */ | |
8275 group = au_get_grouparg(&arg); | |
8276 if (arg == NULL) /* out of memory */ | |
8277 return; | |
8278 | |
8279 /* | |
8280 * Scan over the events. | |
8281 * If we find an illegal name, return here, don't do anything. | |
8282 */ | |
8283 pat = find_end_event(arg, group != AUGROUP_ALL); | |
8284 if (pat == NULL) | |
8285 return; | |
8286 | |
8287 /* | |
8288 * Scan over the pattern. Put a NUL at the end. | |
8289 */ | |
8290 pat = skipwhite(pat); | |
8291 cmd = pat; | |
8292 while (*cmd && (!vim_iswhite(*cmd) || cmd[-1] == '\\')) | |
8293 cmd++; | |
8294 if (*cmd) | |
8295 *cmd++ = NUL; | |
8296 | |
8297 /* Expand environment variables in the pattern. Set 'shellslash', we want | |
8298 * forward slashes here. */ | |
8299 if (vim_strchr(pat, '$') != NULL || vim_strchr(pat, '~') != NULL) | |
8300 { | |
8301 #ifdef BACKSLASH_IN_FILENAME | |
8302 int p_ssl_save = p_ssl; | |
8303 | |
8304 p_ssl = TRUE; | |
8305 #endif | |
8306 envpat = expand_env_save(pat); | |
8307 #ifdef BACKSLASH_IN_FILENAME | |
8308 p_ssl = p_ssl_save; | |
8309 #endif | |
8310 if (envpat != NULL) | |
8311 pat = envpat; | |
8312 } | |
8313 | |
8314 /* | |
8315 * Check for "nested" flag. | |
8316 */ | |
8317 cmd = skipwhite(cmd); | |
8318 if (*cmd != NUL && STRNCMP(cmd, "nested", 6) == 0 && vim_iswhite(cmd[6])) | |
8319 { | |
8320 nested = TRUE; | |
8321 cmd = skipwhite(cmd + 6); | |
8322 } | |
8323 | |
8324 /* | |
8325 * Find the start of the commands. | |
8326 * Expand <sfile> in it. | |
8327 */ | |
8328 if (*cmd != NUL) | |
8329 { | |
8330 cmd = expand_sfile(cmd); | |
8331 if (cmd == NULL) /* some error */ | |
8332 return; | |
8333 need_free = TRUE; | |
8334 } | |
8335 | |
8336 /* | |
8337 * Print header when showing autocommands. | |
8338 */ | |
8339 if (!forceit && *cmd == NUL) | |
8340 { | |
8341 /* Highlight title */ | |
8342 MSG_PUTS_TITLE(_("\n--- Auto-Commands ---")); | |
8343 } | |
8344 | |
8345 /* | |
8346 * Loop over the events. | |
8347 */ | |
661 | 8348 last_event = (event_T)-1; /* for listing the event name */ |
7 | 8349 last_group = AUGROUP_ERROR; /* for listing the group name */ |
8350 if (*arg == '*' || *arg == NUL) | |
8351 { | |
661 | 8352 for (event = (event_T)0; (int)event < (int)NUM_EVENTS; |
8353 event = (event_T)((int)event + 1)) | |
7 | 8354 if (do_autocmd_event(event, pat, |
8355 nested, cmd, forceit, group) == FAIL) | |
8356 break; | |
8357 } | |
8358 else | |
8359 { | |
8360 while (*arg && !vim_iswhite(*arg)) | |
8361 if (do_autocmd_event(event_name2nr(arg, &arg), pat, | |
8362 nested, cmd, forceit, group) == FAIL) | |
8363 break; | |
8364 } | |
8365 | |
8366 if (need_free) | |
8367 vim_free(cmd); | |
8368 vim_free(envpat); | |
8369 } | |
8370 | |
8371 /* | |
8372 * Find the group ID in a ":autocmd" or ":doautocmd" argument. | |
8373 * The "argp" argument is advanced to the following argument. | |
8374 * | |
8375 * Returns the group ID, AUGROUP_ERROR for error (out of memory). | |
8376 */ | |
8377 static int | |
8378 au_get_grouparg(argp) | |
8379 char_u **argp; | |
8380 { | |
8381 char_u *group_name; | |
8382 char_u *p; | |
8383 char_u *arg = *argp; | |
8384 int group = AUGROUP_ALL; | |
8385 | |
8386 p = skiptowhite(arg); | |
8387 if (p > arg) | |
8388 { | |
8389 group_name = vim_strnsave(arg, (int)(p - arg)); | |
8390 if (group_name == NULL) /* out of memory */ | |
8391 return AUGROUP_ERROR; | |
8392 group = au_find_group(group_name); | |
8393 if (group == AUGROUP_ERROR) | |
8394 group = AUGROUP_ALL; /* no match, use all groups */ | |
8395 else | |
8396 *argp = skipwhite(p); /* match, skip over group name */ | |
8397 vim_free(group_name); | |
8398 } | |
8399 return group; | |
8400 } | |
8401 | |
8402 /* | |
8403 * do_autocmd() for one event. | |
8404 * If *pat == NUL do for all patterns. | |
8405 * If *cmd == NUL show entries. | |
8406 * If forceit == TRUE delete entries. | |
8407 * If group is not AUGROUP_ALL, only use this group. | |
8408 */ | |
8409 static int | |
8410 do_autocmd_event(event, pat, nested, cmd, forceit, group) | |
661 | 8411 event_T event; |
7 | 8412 char_u *pat; |
8413 int nested; | |
8414 char_u *cmd; | |
8415 int forceit; | |
8416 int group; | |
8417 { | |
8418 AutoPat *ap; | |
8419 AutoPat **prev_ap; | |
8420 AutoCmd *ac; | |
8421 AutoCmd **prev_ac; | |
8422 int brace_level; | |
8423 char_u *endpat; | |
8424 int findgroup; | |
8425 int allgroups; | |
8426 int patlen; | |
856 | 8427 int is_buflocal; |
40 | 8428 int buflocal_nr; |
8429 char_u buflocal_pat[25]; /* for "<buffer=X>" */ | |
7 | 8430 |
8431 if (group == AUGROUP_ALL) | |
8432 findgroup = current_augroup; | |
8433 else | |
8434 findgroup = group; | |
8435 allgroups = (group == AUGROUP_ALL && !forceit && *cmd == NUL); | |
8436 | |
8437 /* | |
8438 * Show or delete all patterns for an event. | |
8439 */ | |
8440 if (*pat == NUL) | |
8441 { | |
8442 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next) | |
8443 { | |
8444 if (forceit) /* delete the AutoPat, if it's in the current group */ | |
8445 { | |
8446 if (ap->group == findgroup) | |
8447 au_remove_pat(ap); | |
8448 } | |
8449 else if (group == AUGROUP_ALL || ap->group == group) | |
8450 show_autocmd(ap, event); | |
8451 } | |
8452 } | |
8453 | |
8454 /* | |
8455 * Loop through all the specified patterns. | |
8456 */ | |
8457 for ( ; *pat; pat = (*endpat == ',' ? endpat + 1 : endpat)) | |
8458 { | |
8459 /* | |
8460 * Find end of the pattern. | |
8461 * Watch out for a comma in braces, like "*.\{obj,o\}". | |
8462 */ | |
8463 brace_level = 0; | |
8464 for (endpat = pat; *endpat && (*endpat != ',' || brace_level | |
8465 || endpat[-1] == '\\'); ++endpat) | |
8466 { | |
8467 if (*endpat == '{') | |
8468 brace_level++; | |
8469 else if (*endpat == '}') | |
8470 brace_level--; | |
8471 } | |
8472 if (pat == endpat) /* ignore single comma */ | |
8473 continue; | |
8474 patlen = (int)(endpat - pat); | |
8475 | |
8476 /* | |
40 | 8477 * detect special <buflocal[=X]> buffer-local patterns |
8478 */ | |
8479 is_buflocal = FALSE; | |
8480 buflocal_nr = 0; | |
8481 | |
8482 if (patlen >= 7 && STRNCMP(pat, "<buffer", 7) == 0 | |
8483 && pat[patlen - 1] == '>') | |
8484 { | |
8485 /* Error will be printed only for addition. printing and removing | |
8486 * will proceed silently. */ | |
8487 is_buflocal = TRUE; | |
8488 if (patlen == 8) | |
8489 buflocal_nr = curbuf->b_fnum; | |
8490 else if (patlen > 9 && pat[7] == '=') | |
8491 { | |
8492 /* <buffer=abuf> */ | |
8493 if (patlen == 13 && STRNICMP(pat, "<buffer=abuf>", 13)) | |
8494 buflocal_nr = autocmd_bufnr; | |
8495 /* <buffer=123> */ | |
8496 else if (skipdigits(pat + 8) == pat + patlen - 1) | |
8497 buflocal_nr = atoi((char *)pat + 8); | |
8498 } | |
8499 } | |
8500 | |
8501 if (is_buflocal) | |
8502 { | |
8503 /* normalize pat into standard "<buffer>#N" form */ | |
8504 sprintf((char *)buflocal_pat, "<buffer=%d>", buflocal_nr); | |
8505 pat = buflocal_pat; /* can modify pat and patlen */ | |
835 | 8506 patlen = (int)STRLEN(buflocal_pat); /* but not endpat */ |
40 | 8507 } |
8508 | |
8509 /* | |
7 | 8510 * Find AutoPat entries with this pattern. |
8511 */ | |
8512 prev_ap = &first_autopat[(int)event]; | |
8513 while ((ap = *prev_ap) != NULL) | |
8514 { | |
8515 if (ap->pat != NULL) | |
8516 { | |
8517 /* Accept a pattern when: | |
8518 * - a group was specified and it's that group, or a group was | |
8519 * not specified and it's the current group, or a group was | |
8520 * not specified and we are listing | |
8521 * - the length of the pattern matches | |
40 | 8522 * - the pattern matches. |
8523 * For <buffer[=X]>, this condition works because we normalize | |
8524 * all buffer-local patterns. | |
7 | 8525 */ |
8526 if ((allgroups || ap->group == findgroup) | |
8527 && ap->patlen == patlen | |
8528 && STRNCMP(pat, ap->pat, patlen) == 0) | |
8529 { | |
8530 /* | |
8531 * Remove existing autocommands. | |
8532 * If adding any new autocmd's for this AutoPat, don't | |
8533 * delete the pattern from the autopat list, append to | |
8534 * this list. | |
8535 */ | |
8536 if (forceit) | |
8537 { | |
8538 if (*cmd != NUL && ap->next == NULL) | |
8539 { | |
8540 au_remove_cmds(ap); | |
8541 break; | |
8542 } | |
8543 au_remove_pat(ap); | |
8544 } | |
8545 | |
8546 /* | |
40 | 8547 * Show autocmd's for this autopat, or buflocals <buffer=X> |
7 | 8548 */ |
8549 else if (*cmd == NUL) | |
8550 show_autocmd(ap, event); | |
8551 | |
8552 /* | |
8553 * Add autocmd to this autopat, if it's the last one. | |
8554 */ | |
8555 else if (ap->next == NULL) | |
8556 break; | |
8557 } | |
8558 } | |
8559 prev_ap = &ap->next; | |
8560 } | |
8561 | |
8562 /* | |
8563 * Add a new command. | |
8564 */ | |
8565 if (*cmd != NUL) | |
8566 { | |
8567 /* | |
8568 * If the pattern we want to add a command to does appear at the | |
8569 * end of the list (or not is not in the list at all), add the | |
8570 * pattern at the end of the list. | |
8571 */ | |
8572 if (ap == NULL) | |
8573 { | |
40 | 8574 /* refuse to add buffer-local ap if buffer number is invalid */ |
8575 if (is_buflocal && (buflocal_nr == 0 | |
8576 || buflist_findnr(buflocal_nr) == NULL)) | |
8577 { | |
8578 EMSGN(_("E680: <buffer=%d>: invalid buffer number "), | |
8579 buflocal_nr); | |
8580 return FAIL; | |
8581 } | |
8582 | |
7 | 8583 ap = (AutoPat *)alloc((unsigned)sizeof(AutoPat)); |
8584 if (ap == NULL) | |
8585 return FAIL; | |
8586 ap->pat = vim_strnsave(pat, patlen); | |
8587 ap->patlen = patlen; | |
8588 if (ap->pat == NULL) | |
8589 { | |
8590 vim_free(ap); | |
8591 return FAIL; | |
8592 } | |
40 | 8593 |
8594 if (is_buflocal) | |
8595 { | |
8596 ap->buflocal_nr = buflocal_nr; | |
153 | 8597 ap->reg_prog = NULL; |
40 | 8598 } |
8599 else | |
7 | 8600 { |
153 | 8601 char_u *reg_pat; |
8602 | |
40 | 8603 ap->buflocal_nr = 0; |
153 | 8604 reg_pat = file_pat_to_reg_pat(pat, endpat, |
40 | 8605 &ap->allow_dirs, TRUE); |
153 | 8606 if (reg_pat != NULL) |
8607 ap->reg_prog = vim_regcomp(reg_pat, RE_MAGIC); | |
355 | 8608 vim_free(reg_pat); |
153 | 8609 if (reg_pat == NULL || ap->reg_prog == NULL) |
40 | 8610 { |
8611 vim_free(ap->pat); | |
8612 vim_free(ap); | |
8613 return FAIL; | |
8614 } | |
7 | 8615 } |
8616 ap->cmds = NULL; | |
8617 *prev_ap = ap; | |
8618 ap->next = NULL; | |
8619 if (group == AUGROUP_ALL) | |
8620 ap->group = current_augroup; | |
8621 else | |
8622 ap->group = group; | |
8623 } | |
8624 | |
8625 /* | |
8626 * Add the autocmd at the end of the AutoCmd list. | |
8627 */ | |
8628 prev_ac = &(ap->cmds); | |
8629 while ((ac = *prev_ac) != NULL) | |
8630 prev_ac = &ac->next; | |
8631 ac = (AutoCmd *)alloc((unsigned)sizeof(AutoCmd)); | |
8632 if (ac == NULL) | |
8633 return FAIL; | |
8634 ac->cmd = vim_strsave(cmd); | |
8635 #ifdef FEAT_EVAL | |
8636 ac->scriptID = current_SID; | |
8637 #endif | |
8638 if (ac->cmd == NULL) | |
8639 { | |
8640 vim_free(ac); | |
8641 return FAIL; | |
8642 } | |
8643 ac->next = NULL; | |
8644 *prev_ac = ac; | |
8645 ac->nested = nested; | |
8646 } | |
8647 } | |
8648 | |
8649 au_cleanup(); /* may really delete removed patterns/commands now */ | |
8650 return OK; | |
8651 } | |
8652 | |
8653 /* | |
8654 * Implementation of ":doautocmd [group] event [fname]". | |
8655 * Return OK for success, FAIL for failure; | |
8656 */ | |
8657 int | |
8658 do_doautocmd(arg, do_msg) | |
8659 char_u *arg; | |
8660 int do_msg; /* give message for no matching autocmds? */ | |
8661 { | |
8662 char_u *fname; | |
8663 int nothing_done = TRUE; | |
8664 int group; | |
8665 | |
8666 /* | |
8667 * Check for a legal group name. If not, use AUGROUP_ALL. | |
8668 */ | |
8669 group = au_get_grouparg(&arg); | |
8670 if (arg == NULL) /* out of memory */ | |
8671 return FAIL; | |
8672 | |
8673 if (*arg == '*') | |
8674 { | |
8675 EMSG(_("E217: Can't execute autocommands for ALL events")); | |
8676 return FAIL; | |
8677 } | |
8678 | |
8679 /* | |
8680 * Scan over the events. | |
8681 * If we find an illegal name, return here, don't do anything. | |
8682 */ | |
8683 fname = find_end_event(arg, group != AUGROUP_ALL); | |
8684 if (fname == NULL) | |
8685 return FAIL; | |
8686 | |
8687 fname = skipwhite(fname); | |
8688 | |
8689 /* | |
8690 * Loop over the events. | |
8691 */ | |
8692 while (*arg && !vim_iswhite(*arg)) | |
8693 if (apply_autocmds_group(event_name2nr(arg, &arg), | |
8694 fname, NULL, TRUE, group, curbuf, NULL)) | |
8695 nothing_done = FALSE; | |
8696 | |
8697 if (nothing_done && do_msg) | |
8698 MSG(_("No matching autocommands")); | |
8699 | |
8700 #ifdef FEAT_EVAL | |
8701 return aborting() ? FAIL : OK; | |
8702 #else | |
8703 return OK; | |
8704 #endif | |
8705 } | |
8706 | |
8707 /* | |
8708 * ":doautoall": execute autocommands for each loaded buffer. | |
8709 */ | |
8710 void | |
8711 ex_doautoall(eap) | |
8712 exarg_T *eap; | |
8713 { | |
8714 int retval; | |
8715 aco_save_T aco; | |
8716 buf_T *buf; | |
8717 | |
8718 /* | |
8719 * This is a bit tricky: For some commands curwin->w_buffer needs to be | |
8720 * equal to curbuf, but for some buffers there may not be a window. | |
8721 * So we change the buffer for the current window for a moment. This | |
8722 * gives problems when the autocommands make changes to the list of | |
8723 * buffers or windows... | |
8724 */ | |
8725 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
8726 { | |
1665 | 8727 if (buf->b_ml.ml_mfp != NULL) |
7 | 8728 { |
8729 /* find a window for this buffer and save some values */ | |
8730 aucmd_prepbuf(&aco, buf); | |
8731 | |
8732 /* execute the autocommands for this buffer */ | |
8733 retval = do_doautocmd(eap->arg, FALSE); | |
1113 | 8734 |
8735 /* Execute the modeline settings, but don't set window-local | |
8736 * options if we are using the current window for another buffer. */ | |
1906 | 8737 do_modelines(curwin == aucmd_win ? OPT_NOWIN : 0); |
7 | 8738 |
8739 /* restore the current window */ | |
8740 aucmd_restbuf(&aco); | |
8741 | |
8742 /* stop if there is some error or buffer was deleted */ | |
8743 if (retval == FAIL || !buf_valid(buf)) | |
8744 break; | |
8745 } | |
8746 } | |
8747 | |
8748 check_cursor(); /* just in case lines got deleted */ | |
8749 } | |
8750 | |
8751 /* | |
8752 * Prepare for executing autocommands for (hidden) buffer "buf". | |
1906 | 8753 * Search for a visible window containing the current buffer. If there isn't |
8754 * one then use "aucmd_win". | |
7 | 8755 * Set "curbuf" and "curwin" to match "buf". |
934 | 8756 * When FEAT_AUTOCMD is not defined another version is used, see below. |
7 | 8757 */ |
8758 void | |
8759 aucmd_prepbuf(aco, buf) | |
8760 aco_save_T *aco; /* structure to save values in */ | |
8761 buf_T *buf; /* new curbuf */ | |
8762 { | |
8763 win_T *win; | |
1906 | 8764 #ifdef FEAT_WINDOWS |
8765 int save_ea; | |
8766 #endif | |
7 | 8767 |
8768 /* Find a window that is for the new buffer */ | |
8769 if (buf == curbuf) /* be quick when buf is curbuf */ | |
8770 win = curwin; | |
8771 else | |
8772 #ifdef FEAT_WINDOWS | |
8773 for (win = firstwin; win != NULL; win = win->w_next) | |
8774 if (win->w_buffer == buf) | |
8775 break; | |
8776 #else | |
8777 win = NULL; | |
8778 #endif | |
8779 | |
1906 | 8780 /* Allocate "aucmd_win" when needed. If this fails (out of memory) fall |
8781 * back to using the current window. */ | |
8782 if (win == NULL && aucmd_win == NULL) | |
8783 { | |
8784 win_alloc_aucmd_win(); | |
8785 if (aucmd_win == NULL) | |
8786 win = curwin; | |
8787 } | |
1944 | 8788 if (win == NULL && aucmd_win_used) |
8789 /* Strange recursive autocommand, fall back to using the current | |
8790 * window. Expect a few side effects... */ | |
8791 win = curwin; | |
1906 | 8792 |
8793 aco->save_curwin = curwin; | |
8794 aco->save_curbuf = curbuf; | |
7 | 8795 if (win != NULL) |
8796 { | |
1906 | 8797 /* There is a window for "buf" in the current tab page, make it the |
8798 * curwin. This is preferred, it has the least side effects (esp. if | |
8799 * "buf" is curbuf). */ | |
1944 | 8800 aco->use_aucmd_win = FALSE; |
7 | 8801 curwin = win; |
8802 } | |
8803 else | |
8804 { | |
1906 | 8805 /* There is no window for "buf", use "aucmd_win". To minimize the side |
8806 * effects, insert it in a the current tab page. | |
8807 * Anything related to a window (e.g., setting folds) may have | |
8808 * unexpected results. */ | |
1944 | 8809 aco->use_aucmd_win = TRUE; |
8810 aucmd_win_used = TRUE; | |
1918 | 8811 aucmd_win->w_buffer = buf; |
2258
772bfca06c18
Fix crash when using ":grep".
Bram Moolenaar <bram@vim.org>
parents:
2244
diff
changeset
|
8812 aucmd_win->w_s = &buf->b_s; |
7 | 8813 ++buf->b_nwindows; |
1918 | 8814 win_init_empty(aucmd_win); /* set cursor and topline to safe values */ |
1944 | 8815 vim_free(aucmd_win->w_localdir); |
8816 aucmd_win->w_localdir = NULL; | |
8817 | |
8818 /* Make sure w_localdir and globaldir are NULL to avoid a chdir() in | |
8819 * win_enter_ext(). */ | |
8820 aucmd_win->w_localdir = NULL; | |
8821 aco->globaldir = globaldir; | |
8822 globaldir = NULL; | |
8823 | |
7 | 8824 |
1906 | 8825 #ifdef FEAT_WINDOWS |
1923 | 8826 /* Split the current window, put the aucmd_win in the upper half. |
8827 * We don't want the BufEnter or WinEnter autocommands. */ | |
8828 block_autocmds(); | |
1906 | 8829 make_snapshot(SNAP_AUCMD_IDX); |
8830 save_ea = p_ea; | |
8831 p_ea = FALSE; | |
8832 (void)win_split_ins(0, WSP_TOP, aucmd_win, 0); | |
8833 (void)win_comp_pos(); /* recompute window positions */ | |
8834 p_ea = save_ea; | |
1923 | 8835 unblock_autocmds(); |
1906 | 8836 #endif |
1918 | 8837 curwin = aucmd_win; |
1906 | 8838 } |
7 | 8839 curbuf = buf; |
1906 | 8840 aco->new_curwin = curwin; |
8841 aco->new_curbuf = curbuf; | |
7 | 8842 } |
8843 | |
8844 /* | |
8845 * Cleanup after executing autocommands for a (hidden) buffer. | |
8846 * Restore the window as it was (if possible). | |
934 | 8847 * When FEAT_AUTOCMD is not defined another version is used, see below. |
7 | 8848 */ |
8849 void | |
8850 aucmd_restbuf(aco) | |
8851 aco_save_T *aco; /* structure holding saved values */ | |
8852 { | |
1906 | 8853 #ifdef FEAT_WINDOWS |
8854 int dummy; | |
8855 #endif | |
8856 | |
1944 | 8857 if (aco->use_aucmd_win) |
1906 | 8858 { |
8859 --curbuf->b_nwindows; | |
8860 #ifdef FEAT_WINDOWS | |
8861 /* Find "aucmd_win", it can't be closed, but it may be in another tab | |
1923 | 8862 * page. Do not trigger autocommands here. */ |
8863 block_autocmds(); | |
1906 | 8864 if (curwin != aucmd_win) |
8865 { | |
8866 tabpage_T *tp; | |
8867 win_T *wp; | |
8868 | |
8869 FOR_ALL_TAB_WINDOWS(tp, wp) | |
8870 { | |
8871 if (wp == aucmd_win) | |
8872 { | |
8873 if (tp != curtab) | |
8874 goto_tabpage_tp(tp); | |
8875 win_goto(aucmd_win); | |
8876 break; | |
8877 } | |
8878 } | |
8879 } | |
8880 | |
8881 /* Remove the window and frame from the tree of frames. */ | |
8882 (void)winframe_remove(curwin, &dummy, NULL); | |
8883 win_remove(curwin, NULL); | |
1944 | 8884 aucmd_win_used = FALSE; |
1906 | 8885 last_status(FALSE); /* may need to remove last status line */ |
8886 restore_snapshot(SNAP_AUCMD_IDX, FALSE); | |
8887 (void)win_comp_pos(); /* recompute window positions */ | |
1923 | 8888 unblock_autocmds(); |
1906 | 8889 |
8890 if (win_valid(aco->save_curwin)) | |
8891 curwin = aco->save_curwin; | |
8892 else | |
8893 /* Hmm, original window disappeared. Just use the first one. */ | |
8894 curwin = firstwin; | |
8895 # ifdef FEAT_EVAL | |
8896 vars_clear(&aucmd_win->w_vars.dv_hashtab); /* free all w: variables */ | |
2001 | 8897 hash_init(&aucmd_win->w_vars.dv_hashtab); /* re-use the hashtab */ |
1906 | 8898 # endif |
8899 #else | |
8900 curwin = aco->save_curwin; | |
8901 #endif | |
8902 curbuf = curwin->w_buffer; | |
8903 | |
1944 | 8904 vim_free(globaldir); |
8905 globaldir = aco->globaldir; | |
8906 | |
1906 | 8907 /* the buffer contents may have changed */ |
8908 check_cursor(); | |
8909 if (curwin->w_topline > curbuf->b_ml.ml_line_count) | |
8910 { | |
8911 curwin->w_topline = curbuf->b_ml.ml_line_count; | |
8912 #ifdef FEAT_DIFF | |
8913 curwin->w_topfill = 0; | |
8914 #endif | |
8915 } | |
8916 #if defined(FEAT_GUI) | |
8917 /* Hide the scrollbars from the aucmd_win and update. */ | |
8918 gui_mch_enable_scrollbar(&aucmd_win->w_scrollbars[SBAR_LEFT], FALSE); | |
8919 gui_mch_enable_scrollbar(&aucmd_win->w_scrollbars[SBAR_RIGHT], FALSE); | |
8920 gui_may_update_scrollbars(); | |
8921 #endif | |
8922 } | |
8923 else | |
7 | 8924 { |
8925 /* restore curwin */ | |
8926 #ifdef FEAT_WINDOWS | |
8927 if (win_valid(aco->save_curwin)) | |
8928 #endif | |
8929 { | |
1906 | 8930 /* Restore the buffer which was previously edited by curwin, if |
1944 | 8931 * it was changed, we are still the same window and the buffer is |
1906 | 8932 * valid. */ |
7 | 8933 if (curwin == aco->new_curwin |
1906 | 8934 && curbuf != aco->new_curbuf |
8935 && buf_valid(aco->new_curbuf) | |
8936 && aco->new_curbuf->b_ml.ml_mfp != NULL) | |
7 | 8937 { |
8938 --curbuf->b_nwindows; | |
1906 | 8939 curbuf = aco->new_curbuf; |
7 | 8940 curwin->w_buffer = curbuf; |
8941 ++curbuf->b_nwindows; | |
8942 } | |
8943 | |
8944 curwin = aco->save_curwin; | |
8945 curbuf = curwin->w_buffer; | |
8946 } | |
8947 } | |
8948 } | |
8949 | |
8950 static int autocmd_nested = FALSE; | |
8951 | |
8952 /* | |
8953 * Execute autocommands for "event" and file name "fname". | |
8954 * Return TRUE if some commands were executed. | |
8955 */ | |
8956 int | |
8957 apply_autocmds(event, fname, fname_io, force, buf) | |
661 | 8958 event_T event; |
7 | 8959 char_u *fname; /* NULL or empty means use actual file name */ |
8960 char_u *fname_io; /* fname to use for <afile> on cmdline */ | |
8961 int force; /* when TRUE, ignore autocmd_busy */ | |
8962 buf_T *buf; /* buffer for <abuf> */ | |
8963 { | |
8964 return apply_autocmds_group(event, fname, fname_io, force, | |
8965 AUGROUP_ALL, buf, NULL); | |
8966 } | |
8967 | |
8968 /* | |
8969 * Like apply_autocmds(), but with extra "eap" argument. This takes care of | |
8970 * setting v:filearg. | |
8971 */ | |
8972 static int | |
8973 apply_autocmds_exarg(event, fname, fname_io, force, buf, eap) | |
661 | 8974 event_T event; |
7 | 8975 char_u *fname; |
8976 char_u *fname_io; | |
8977 int force; | |
8978 buf_T *buf; | |
8979 exarg_T *eap; | |
8980 { | |
8981 return apply_autocmds_group(event, fname, fname_io, force, | |
8982 AUGROUP_ALL, buf, eap); | |
8983 } | |
8984 | |
8985 /* | |
8986 * Like apply_autocmds(), but handles the caller's retval. If the script | |
8987 * processing is being aborted or if retval is FAIL when inside a try | |
8988 * conditional, no autocommands are executed. If otherwise the autocommands | |
8989 * cause the script to be aborted, retval is set to FAIL. | |
8990 */ | |
8991 int | |
8992 apply_autocmds_retval(event, fname, fname_io, force, buf, retval) | |
661 | 8993 event_T event; |
7 | 8994 char_u *fname; /* NULL or empty means use actual file name */ |
8995 char_u *fname_io; /* fname to use for <afile> on cmdline */ | |
8996 int force; /* when TRUE, ignore autocmd_busy */ | |
8997 buf_T *buf; /* buffer for <abuf> */ | |
8998 int *retval; /* pointer to caller's retval */ | |
8999 { | |
9000 int did_cmd; | |
9001 | |
532 | 9002 #ifdef FEAT_EVAL |
7 | 9003 if (should_abort(*retval)) |
9004 return FALSE; | |
532 | 9005 #endif |
7 | 9006 |
9007 did_cmd = apply_autocmds_group(event, fname, fname_io, force, | |
9008 AUGROUP_ALL, buf, NULL); | |
532 | 9009 if (did_cmd |
9010 #ifdef FEAT_EVAL | |
9011 && aborting() | |
9012 #endif | |
9013 ) | |
7 | 9014 *retval = FAIL; |
9015 return did_cmd; | |
9016 } | |
9017 | |
609 | 9018 /* |
9019 * Return TRUE when there is a CursorHold autocommand defined. | |
9020 */ | |
7 | 9021 int |
9022 has_cursorhold() | |
9023 { | |
661 | 9024 return (first_autopat[(int)(get_real_state() == NORMAL_BUSY |
9025 ? EVENT_CURSORHOLD : EVENT_CURSORHOLDI)] != NULL); | |
7 | 9026 } |
609 | 9027 |
9028 /* | |
9029 * Return TRUE if the CursorHold event can be triggered. | |
9030 */ | |
9031 int | |
9032 trigger_cursorhold() | |
9033 { | |
661 | 9034 int state; |
9035 | |
978 | 9036 if (!did_cursorhold && has_cursorhold() && !Recording |
9037 #ifdef FEAT_INS_EXPAND | |
9038 && !ins_compl_active() | |
9039 #endif | |
9040 ) | |
661 | 9041 { |
9042 state = get_real_state(); | |
9043 if (state == NORMAL_BUSY || (state & INSERT) != 0) | |
9044 return TRUE; | |
9045 } | |
9046 return FALSE; | |
609 | 9047 } |
661 | 9048 |
9049 /* | |
9050 * Return TRUE when there is a CursorMoved autocommand defined. | |
9051 */ | |
9052 int | |
9053 has_cursormoved() | |
9054 { | |
9055 return (first_autopat[(int)EVENT_CURSORMOVED] != NULL); | |
9056 } | |
9057 | |
9058 /* | |
9059 * Return TRUE when there is a CursorMovedI autocommand defined. | |
9060 */ | |
9061 int | |
9062 has_cursormovedI() | |
9063 { | |
9064 return (first_autopat[(int)EVENT_CURSORMOVEDI] != NULL); | |
9065 } | |
7 | 9066 |
9067 static int | |
9068 apply_autocmds_group(event, fname, fname_io, force, group, buf, eap) | |
661 | 9069 event_T event; |
7 | 9070 char_u *fname; /* NULL or empty means use actual file name */ |
9071 char_u *fname_io; /* fname to use for <afile> on cmdline, NULL means | |
9072 use fname */ | |
9073 int force; /* when TRUE, ignore autocmd_busy */ | |
9074 int group; /* group ID, or AUGROUP_ALL */ | |
9075 buf_T *buf; /* buffer for <abuf> */ | |
9076 exarg_T *eap; /* command arguments */ | |
9077 { | |
9078 char_u *sfname = NULL; /* short file name */ | |
9079 char_u *tail; | |
9080 int save_changed; | |
9081 buf_T *old_curbuf; | |
9082 int retval = FALSE; | |
9083 char_u *save_sourcing_name; | |
9084 linenr_T save_sourcing_lnum; | |
9085 char_u *save_autocmd_fname; | |
1723 | 9086 int save_autocmd_fname_full; |
7 | 9087 int save_autocmd_bufnr; |
9088 char_u *save_autocmd_match; | |
9089 int save_autocmd_busy; | |
9090 int save_autocmd_nested; | |
9091 static int nesting = 0; | |
9092 AutoPatCmd patcmd; | |
9093 AutoPat *ap; | |
9094 #ifdef FEAT_EVAL | |
9095 scid_T save_current_SID; | |
9096 void *save_funccalp; | |
9097 char_u *save_cmdarg; | |
9098 long save_cmdbang; | |
9099 #endif | |
9100 static int filechangeshell_busy = FALSE; | |
170 | 9101 #ifdef FEAT_PROFILE |
9102 proftime_T wait_time; | |
9103 #endif | |
7 | 9104 |
9105 /* | |
9106 * Quickly return if there are no autocommands for this event or | |
9107 * autocommands are blocked. | |
9108 */ | |
1410 | 9109 if (first_autopat[(int)event] == NULL || autocmd_blocked > 0) |
40 | 9110 goto BYPASS_AU; |
7 | 9111 |
9112 /* | |
9113 * When autocommands are busy, new autocommands are only executed when | |
9114 * explicitly enabled with the "nested" flag. | |
9115 */ | |
9116 if (autocmd_busy && !(force || autocmd_nested)) | |
40 | 9117 goto BYPASS_AU; |
7 | 9118 |
9119 #ifdef FEAT_EVAL | |
9120 /* | |
1201 | 9121 * Quickly return when immediately aborting on error, or when an interrupt |
7 | 9122 * occurred or an exception was thrown but not caught. |
9123 */ | |
9124 if (aborting()) | |
40 | 9125 goto BYPASS_AU; |
7 | 9126 #endif |
9127 | |
9128 /* | |
9129 * FileChangedShell never nests, because it can create an endless loop. | |
9130 */ | |
765 | 9131 if (filechangeshell_busy && (event == EVENT_FILECHANGEDSHELL |
9132 || event == EVENT_FILECHANGEDSHELLPOST)) | |
40 | 9133 goto BYPASS_AU; |
7 | 9134 |
9135 /* | |
9136 * Ignore events in 'eventignore'. | |
9137 */ | |
9138 if (event_ignored(event)) | |
40 | 9139 goto BYPASS_AU; |
7 | 9140 |
9141 /* | |
9142 * Allow nesting of autocommands, but restrict the depth, because it's | |
9143 * possible to create an endless loop. | |
9144 */ | |
9145 if (nesting == 10) | |
9146 { | |
9147 EMSG(_("E218: autocommand nesting too deep")); | |
40 | 9148 goto BYPASS_AU; |
7 | 9149 } |
9150 | |
9151 /* | |
9152 * Check if these autocommands are disabled. Used when doing ":all" or | |
9153 * ":ball". | |
9154 */ | |
9155 if ( (autocmd_no_enter | |
9156 && (event == EVENT_WINENTER || event == EVENT_BUFENTER)) | |
9157 || (autocmd_no_leave | |
9158 && (event == EVENT_WINLEAVE || event == EVENT_BUFLEAVE))) | |
40 | 9159 goto BYPASS_AU; |
7 | 9160 |
9161 /* | |
9162 * Save the autocmd_* variables and info about the current buffer. | |
9163 */ | |
9164 save_autocmd_fname = autocmd_fname; | |
1723 | 9165 save_autocmd_fname_full = autocmd_fname_full; |
7 | 9166 save_autocmd_bufnr = autocmd_bufnr; |
9167 save_autocmd_match = autocmd_match; | |
9168 save_autocmd_busy = autocmd_busy; | |
9169 save_autocmd_nested = autocmd_nested; | |
9170 save_changed = curbuf->b_changed; | |
9171 old_curbuf = curbuf; | |
9172 | |
9173 /* | |
9174 * Set the file name to be used for <afile>. | |
1471 | 9175 * Make a copy to avoid that changing a buffer name or directory makes it |
9176 * invalid. | |
7 | 9177 */ |
9178 if (fname_io == NULL) | |
9179 { | |
9180 if (fname != NULL && *fname != NUL) | |
9181 autocmd_fname = fname; | |
9182 else if (buf != NULL) | |
1723 | 9183 autocmd_fname = buf->b_ffname; |
7 | 9184 else |
9185 autocmd_fname = NULL; | |
9186 } | |
9187 else | |
9188 autocmd_fname = fname_io; | |
1471 | 9189 if (autocmd_fname != NULL) |
1723 | 9190 autocmd_fname = vim_strsave(autocmd_fname); |
9191 autocmd_fname_full = FALSE; /* call FullName_save() later */ | |
7 | 9192 |
9193 /* | |
9194 * Set the buffer number to be used for <abuf>. | |
9195 */ | |
9196 if (buf == NULL) | |
9197 autocmd_bufnr = 0; | |
9198 else | |
9199 autocmd_bufnr = buf->b_fnum; | |
9200 | |
9201 /* | |
9202 * When the file name is NULL or empty, use the file name of buffer "buf". | |
9203 * Always use the full path of the file name to match with, in case | |
9204 * "allow_dirs" is set. | |
9205 */ | |
9206 if (fname == NULL || *fname == NUL) | |
9207 { | |
9208 if (buf == NULL) | |
9209 fname = NULL; | |
9210 else | |
9211 { | |
9212 #ifdef FEAT_SYN_HL | |
9213 if (event == EVENT_SYNTAX) | |
9214 fname = buf->b_p_syn; | |
9215 else | |
9216 #endif | |
9217 if (event == EVENT_FILETYPE) | |
9218 fname = buf->b_p_ft; | |
9219 else | |
9220 { | |
9221 if (buf->b_sfname != NULL) | |
9222 sfname = vim_strsave(buf->b_sfname); | |
9223 fname = buf->b_ffname; | |
9224 } | |
9225 } | |
9226 if (fname == NULL) | |
9227 fname = (char_u *)""; | |
9228 fname = vim_strsave(fname); /* make a copy, so we can change it */ | |
9229 } | |
9230 else | |
9231 { | |
9232 sfname = vim_strsave(fname); | |
1867 | 9233 /* Don't try expanding FileType, Syntax, FuncUndefined, WindowID or |
9234 * QuickFixCmd* */ | |
161 | 9235 if (event == EVENT_FILETYPE |
9236 || event == EVENT_SYNTAX | |
1867 | 9237 || event == EVENT_FUNCUNDEFINED |
161 | 9238 || event == EVENT_REMOTEREPLY |
649 | 9239 || event == EVENT_SPELLFILEMISSING |
161 | 9240 || event == EVENT_QUICKFIXCMDPRE |
9241 || event == EVENT_QUICKFIXCMDPOST) | |
7 | 9242 fname = vim_strsave(fname); |
9243 else | |
9244 fname = FullName_save(fname, FALSE); | |
9245 } | |
9246 if (fname == NULL) /* out of memory */ | |
9247 { | |
9248 vim_free(sfname); | |
40 | 9249 retval = FALSE; |
9250 goto BYPASS_AU; | |
7 | 9251 } |
9252 | |
9253 #ifdef BACKSLASH_IN_FILENAME | |
9254 /* | |
9255 * Replace all backslashes with forward slashes. This makes the | |
9256 * autocommand patterns portable between Unix and MS-DOS. | |
9257 */ | |
9258 if (sfname != NULL) | |
9259 forward_slash(sfname); | |
9260 forward_slash(fname); | |
9261 #endif | |
9262 | |
9263 #ifdef VMS | |
9264 /* remove version for correct match */ | |
9265 if (sfname != NULL) | |
9266 vms_remove_version(sfname); | |
9267 vms_remove_version(fname); | |
9268 #endif | |
9269 | |
9270 /* | |
9271 * Set the name to be used for <amatch>. | |
9272 */ | |
9273 autocmd_match = fname; | |
9274 | |
9275 | |
9276 /* Don't redraw while doing auto commands. */ | |
9277 ++RedrawingDisabled; | |
9278 save_sourcing_name = sourcing_name; | |
9279 sourcing_name = NULL; /* don't free this one */ | |
9280 save_sourcing_lnum = sourcing_lnum; | |
9281 sourcing_lnum = 0; /* no line number here */ | |
9282 | |
9283 #ifdef FEAT_EVAL | |
9284 save_current_SID = current_SID; | |
9285 | |
170 | 9286 # ifdef FEAT_PROFILE |
788 | 9287 if (do_profiling == PROF_YES) |
170 | 9288 prof_child_enter(&wait_time); /* doesn't count for the caller itself */ |
9289 # endif | |
9290 | |
7 | 9291 /* Don't use local function variables, if called from a function */ |
9292 save_funccalp = save_funccal(); | |
9293 #endif | |
9294 | |
9295 /* | |
9296 * When starting to execute autocommands, save the search patterns. | |
9297 */ | |
9298 if (!autocmd_busy) | |
9299 { | |
9300 save_search_patterns(); | |
9301 saveRedobuff(); | |
9302 did_filetype = keep_filetype; | |
9303 } | |
9304 | |
9305 /* | |
9306 * Note that we are applying autocmds. Some commands need to know. | |
9307 */ | |
9308 autocmd_busy = TRUE; | |
9309 filechangeshell_busy = (event == EVENT_FILECHANGEDSHELL); | |
9310 ++nesting; /* see matching decrement below */ | |
9311 | |
9312 /* Remember that FileType was triggered. Used for did_filetype(). */ | |
9313 if (event == EVENT_FILETYPE) | |
9314 did_filetype = TRUE; | |
9315 | |
9316 tail = gettail(fname); | |
9317 | |
9318 /* Find first autocommand that matches */ | |
9319 patcmd.curpat = first_autopat[(int)event]; | |
9320 patcmd.nextcmd = NULL; | |
9321 patcmd.group = group; | |
9322 patcmd.fname = fname; | |
9323 patcmd.sfname = sfname; | |
9324 patcmd.tail = tail; | |
9325 patcmd.event = event; | |
40 | 9326 patcmd.arg_bufnr = autocmd_bufnr; |
9327 patcmd.next = NULL; | |
7 | 9328 auto_next_pat(&patcmd, FALSE); |
9329 | |
9330 /* found one, start executing the autocommands */ | |
9331 if (patcmd.curpat != NULL) | |
9332 { | |
40 | 9333 /* add to active_apc_list */ |
9334 patcmd.next = active_apc_list; | |
9335 active_apc_list = &patcmd; | |
9336 | |
7 | 9337 #ifdef FEAT_EVAL |
9338 /* set v:cmdarg (only when there is a matching pattern) */ | |
9339 save_cmdbang = get_vim_var_nr(VV_CMDBANG); | |
9340 if (eap != NULL) | |
9341 { | |
9342 save_cmdarg = set_cmdarg(eap, NULL); | |
9343 set_vim_var_nr(VV_CMDBANG, (long)eap->forceit); | |
9344 } | |
9345 else | |
9346 save_cmdarg = NULL; /* avoid gcc warning */ | |
9347 #endif | |
9348 retval = TRUE; | |
9349 /* mark the last pattern, to avoid an endless loop when more patterns | |
9350 * are added when executing autocommands */ | |
9351 for (ap = patcmd.curpat; ap->next != NULL; ap = ap->next) | |
9352 ap->last = FALSE; | |
9353 ap->last = TRUE; | |
9354 check_lnums(TRUE); /* make sure cursor and topline are valid */ | |
9355 do_cmdline(NULL, getnextac, (void *)&patcmd, | |
9356 DOCMD_NOWAIT|DOCMD_VERBOSE|DOCMD_REPEAT); | |
9357 #ifdef FEAT_EVAL | |
9358 if (eap != NULL) | |
9359 { | |
9360 (void)set_cmdarg(NULL, save_cmdarg); | |
9361 set_vim_var_nr(VV_CMDBANG, save_cmdbang); | |
9362 } | |
9363 #endif | |
40 | 9364 /* delete from active_apc_list */ |
9365 if (active_apc_list == &patcmd) /* just in case */ | |
9366 active_apc_list = patcmd.next; | |
7 | 9367 } |
9368 | |
9369 --RedrawingDisabled; | |
9370 autocmd_busy = save_autocmd_busy; | |
9371 filechangeshell_busy = FALSE; | |
9372 autocmd_nested = save_autocmd_nested; | |
9373 vim_free(sourcing_name); | |
9374 sourcing_name = save_sourcing_name; | |
9375 sourcing_lnum = save_sourcing_lnum; | |
1471 | 9376 vim_free(autocmd_fname); |
7 | 9377 autocmd_fname = save_autocmd_fname; |
1723 | 9378 autocmd_fname_full = save_autocmd_fname_full; |
7 | 9379 autocmd_bufnr = save_autocmd_bufnr; |
9380 autocmd_match = save_autocmd_match; | |
9381 #ifdef FEAT_EVAL | |
9382 current_SID = save_current_SID; | |
9383 restore_funccal(save_funccalp); | |
170 | 9384 # ifdef FEAT_PROFILE |
788 | 9385 if (do_profiling == PROF_YES) |
170 | 9386 prof_child_exit(&wait_time); |
9387 # endif | |
7 | 9388 #endif |
9389 vim_free(fname); | |
9390 vim_free(sfname); | |
9391 --nesting; /* see matching increment above */ | |
9392 | |
9393 /* | |
9394 * When stopping to execute autocommands, restore the search patterns and | |
9395 * the redo buffer. | |
9396 */ | |
9397 if (!autocmd_busy) | |
9398 { | |
9399 restore_search_patterns(); | |
9400 restoreRedobuff(); | |
9401 did_filetype = FALSE; | |
9402 } | |
9403 | |
9404 /* | |
9405 * Some events don't set or reset the Changed flag. | |
9406 * Check if still in the same buffer! | |
9407 */ | |
9408 if (curbuf == old_curbuf | |
9409 && (event == EVENT_BUFREADPOST | |
9410 || event == EVENT_BUFWRITEPOST | |
9411 || event == EVENT_FILEAPPENDPOST | |
9412 || event == EVENT_VIMLEAVE | |
9413 || event == EVENT_VIMLEAVEPRE)) | |
9414 { | |
9415 #ifdef FEAT_TITLE | |
9416 if (curbuf->b_changed != save_changed) | |
9417 need_maketitle = TRUE; | |
9418 #endif | |
9419 curbuf->b_changed = save_changed; | |
9420 } | |
9421 | |
9422 au_cleanup(); /* may really delete removed patterns/commands now */ | |
40 | 9423 |
9424 BYPASS_AU: | |
9425 /* When wiping out a buffer make sure all its buffer-local autocommands | |
9426 * are deleted. */ | |
9427 if (event == EVENT_BUFWIPEOUT && buf != NULL) | |
9428 aubuflocal_remove(buf); | |
9429 | |
7 | 9430 return retval; |
9431 } | |
9432 | |
1410 | 9433 # ifdef FEAT_EVAL |
9434 static char_u *old_termresponse = NULL; | |
9435 # endif | |
9436 | |
9437 /* | |
9438 * Block triggering autocommands until unblock_autocmd() is called. | |
9439 * Can be used recursively, so long as it's symmetric. | |
9440 */ | |
9441 void | |
9442 block_autocmds() | |
9443 { | |
9444 # ifdef FEAT_EVAL | |
9445 /* Remember the value of v:termresponse. */ | |
9446 if (autocmd_blocked == 0) | |
9447 old_termresponse = get_vim_var_str(VV_TERMRESPONSE); | |
9448 # endif | |
9449 ++autocmd_blocked; | |
9450 } | |
9451 | |
9452 void | |
9453 unblock_autocmds() | |
9454 { | |
9455 --autocmd_blocked; | |
9456 | |
9457 # ifdef FEAT_EVAL | |
9458 /* When v:termresponse was set while autocommands were blocked, trigger | |
9459 * the autocommands now. Esp. useful when executing a shell command | |
9460 * during startup (vimdiff). */ | |
9461 if (autocmd_blocked == 0 | |
9462 && get_vim_var_str(VV_TERMRESPONSE) != old_termresponse) | |
9463 apply_autocmds(EVENT_TERMRESPONSE, NULL, NULL, FALSE, curbuf); | |
9464 # endif | |
9465 } | |
9466 | |
7 | 9467 /* |
9468 * Find next autocommand pattern that matches. | |
9469 */ | |
9470 static void | |
9471 auto_next_pat(apc, stop_at_last) | |
9472 AutoPatCmd *apc; | |
9473 int stop_at_last; /* stop when 'last' flag is set */ | |
9474 { | |
9475 AutoPat *ap; | |
9476 AutoCmd *cp; | |
9477 char_u *name; | |
9478 char *s; | |
9479 | |
9480 vim_free(sourcing_name); | |
9481 sourcing_name = NULL; | |
9482 | |
9483 for (ap = apc->curpat; ap != NULL && !got_int; ap = ap->next) | |
9484 { | |
9485 apc->curpat = NULL; | |
9486 | |
1723 | 9487 /* Only use a pattern when it has not been removed, has commands and |
40 | 9488 * the group matches. For buffer-local autocommands only check the |
9489 * buffer number. */ | |
7 | 9490 if (ap->pat != NULL && ap->cmds != NULL |
9491 && (apc->group == AUGROUP_ALL || apc->group == ap->group)) | |
9492 { | |
40 | 9493 /* execution-condition */ |
9494 if (ap->buflocal_nr == 0 | |
153 | 9495 ? (match_file_pat(NULL, ap->reg_prog, apc->fname, |
9496 apc->sfname, apc->tail, ap->allow_dirs)) | |
40 | 9497 : ap->buflocal_nr == apc->arg_bufnr) |
7 | 9498 { |
9499 name = event_nr2name(apc->event); | |
9500 s = _("%s Auto commands for \"%s\""); | |
9501 sourcing_name = alloc((unsigned)(STRLEN(s) | |
9502 + STRLEN(name) + ap->patlen + 1)); | |
9503 if (sourcing_name != NULL) | |
9504 { | |
9505 sprintf((char *)sourcing_name, s, | |
9506 (char *)name, (char *)ap->pat); | |
9507 if (p_verbose >= 8) | |
292 | 9508 { |
9509 verbose_enter(); | |
273 | 9510 smsg((char_u *)_("Executing %s"), sourcing_name); |
292 | 9511 verbose_leave(); |
9512 } | |
7 | 9513 } |
9514 | |
9515 apc->curpat = ap; | |
9516 apc->nextcmd = ap->cmds; | |
9517 /* mark last command */ | |
9518 for (cp = ap->cmds; cp->next != NULL; cp = cp->next) | |
9519 cp->last = FALSE; | |
9520 cp->last = TRUE; | |
9521 } | |
9522 line_breakcheck(); | |
9523 if (apc->curpat != NULL) /* found a match */ | |
9524 break; | |
9525 } | |
9526 if (stop_at_last && ap->last) | |
9527 break; | |
9528 } | |
9529 } | |
9530 | |
9531 /* | |
9532 * Get next autocommand command. | |
9533 * Called by do_cmdline() to get the next line for ":if". | |
9534 * Returns allocated string, or NULL for end of autocommands. | |
9535 */ | |
9536 static char_u * | |
9537 getnextac(c, cookie, indent) | |
1880 | 9538 int c UNUSED; |
7 | 9539 void *cookie; |
1880 | 9540 int indent UNUSED; |
7 | 9541 { |
9542 AutoPatCmd *acp = (AutoPatCmd *)cookie; | |
9543 char_u *retval; | |
9544 AutoCmd *ac; | |
9545 | |
9546 /* Can be called again after returning the last line. */ | |
9547 if (acp->curpat == NULL) | |
9548 return NULL; | |
9549 | |
9550 /* repeat until we find an autocommand to execute */ | |
9551 for (;;) | |
9552 { | |
9553 /* skip removed commands */ | |
9554 while (acp->nextcmd != NULL && acp->nextcmd->cmd == NULL) | |
9555 if (acp->nextcmd->last) | |
9556 acp->nextcmd = NULL; | |
9557 else | |
9558 acp->nextcmd = acp->nextcmd->next; | |
9559 | |
9560 if (acp->nextcmd != NULL) | |
9561 break; | |
9562 | |
9563 /* at end of commands, find next pattern that matches */ | |
9564 if (acp->curpat->last) | |
9565 acp->curpat = NULL; | |
9566 else | |
9567 acp->curpat = acp->curpat->next; | |
9568 if (acp->curpat != NULL) | |
9569 auto_next_pat(acp, TRUE); | |
9570 if (acp->curpat == NULL) | |
9571 return NULL; | |
9572 } | |
9573 | |
9574 ac = acp->nextcmd; | |
9575 | |
9576 if (p_verbose >= 9) | |
9577 { | |
292 | 9578 verbose_enter_scroll(); |
273 | 9579 smsg((char_u *)_("autocommand %s"), ac->cmd); |
7 | 9580 msg_puts((char_u *)"\n"); /* don't overwrite this either */ |
292 | 9581 verbose_leave_scroll(); |
7 | 9582 } |
9583 retval = vim_strsave(ac->cmd); | |
9584 autocmd_nested = ac->nested; | |
9585 #ifdef FEAT_EVAL | |
9586 current_SID = ac->scriptID; | |
9587 #endif | |
9588 if (ac->last) | |
9589 acp->nextcmd = NULL; | |
9590 else | |
9591 acp->nextcmd = ac->next; | |
9592 return retval; | |
9593 } | |
9594 | |
9595 /* | |
9596 * Return TRUE if there is a matching autocommand for "fname". | |
40 | 9597 * To account for buffer-local autocommands, function needs to know |
9598 * in which buffer the file will be opened. | |
7 | 9599 */ |
9600 int | |
40 | 9601 has_autocmd(event, sfname, buf) |
661 | 9602 event_T event; |
7 | 9603 char_u *sfname; |
40 | 9604 buf_T *buf; |
7 | 9605 { |
9606 AutoPat *ap; | |
9607 char_u *fname; | |
9608 char_u *tail = gettail(sfname); | |
9609 int retval = FALSE; | |
9610 | |
9611 fname = FullName_save(sfname, FALSE); | |
9612 if (fname == NULL) | |
9613 return FALSE; | |
9614 | |
9615 #ifdef BACKSLASH_IN_FILENAME | |
9616 /* | |
9617 * Replace all backslashes with forward slashes. This makes the | |
9618 * autocommand patterns portable between Unix and MS-DOS. | |
9619 */ | |
9620 sfname = vim_strsave(sfname); | |
9621 if (sfname != NULL) | |
9622 forward_slash(sfname); | |
9623 forward_slash(fname); | |
9624 #endif | |
9625 | |
9626 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next) | |
9627 if (ap->pat != NULL && ap->cmds != NULL | |
856 | 9628 && (ap->buflocal_nr == 0 |
153 | 9629 ? match_file_pat(NULL, ap->reg_prog, |
9630 fname, sfname, tail, ap->allow_dirs) | |
856 | 9631 : buf != NULL && ap->buflocal_nr == buf->b_fnum |
40 | 9632 )) |
7 | 9633 { |
9634 retval = TRUE; | |
9635 break; | |
9636 } | |
9637 | |
9638 vim_free(fname); | |
9639 #ifdef BACKSLASH_IN_FILENAME | |
9640 vim_free(sfname); | |
9641 #endif | |
9642 | |
9643 return retval; | |
9644 } | |
9645 | |
9646 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) | |
9647 /* | |
9648 * Function given to ExpandGeneric() to obtain the list of autocommand group | |
9649 * names. | |
9650 */ | |
9651 char_u * | |
9652 get_augroup_name(xp, idx) | |
1880 | 9653 expand_T *xp UNUSED; |
7 | 9654 int idx; |
9655 { | |
9656 if (idx == augroups.ga_len) /* add "END" add the end */ | |
9657 return (char_u *)"END"; | |
9658 if (idx >= augroups.ga_len) /* end of list */ | |
9659 return NULL; | |
9660 if (AUGROUP_NAME(idx) == NULL) /* skip deleted entries */ | |
9661 return (char_u *)""; | |
9662 return AUGROUP_NAME(idx); /* return a name */ | |
9663 } | |
9664 | |
9665 static int include_groups = FALSE; | |
9666 | |
9667 char_u * | |
9668 set_context_in_autocmd(xp, arg, doautocmd) | |
9669 expand_T *xp; | |
9670 char_u *arg; | |
1733 | 9671 int doautocmd; /* TRUE for :doauto*, FALSE for :autocmd */ |
7 | 9672 { |
9673 char_u *p; | |
9674 int group; | |
9675 | |
9676 /* check for a group name, skip it if present */ | |
9677 include_groups = FALSE; | |
9678 p = arg; | |
9679 group = au_get_grouparg(&arg); | |
9680 if (group == AUGROUP_ERROR) | |
9681 return NULL; | |
9682 /* If there only is a group name that's what we expand. */ | |
9683 if (*arg == NUL && group != AUGROUP_ALL && !vim_iswhite(arg[-1])) | |
9684 { | |
9685 arg = p; | |
9686 group = AUGROUP_ALL; | |
9687 } | |
9688 | |
9689 /* skip over event name */ | |
9690 for (p = arg; *p != NUL && !vim_iswhite(*p); ++p) | |
9691 if (*p == ',') | |
9692 arg = p + 1; | |
9693 if (*p == NUL) | |
9694 { | |
9695 if (group == AUGROUP_ALL) | |
9696 include_groups = TRUE; | |
9697 xp->xp_context = EXPAND_EVENTS; /* expand event name */ | |
9698 xp->xp_pattern = arg; | |
9699 return NULL; | |
9700 } | |
9701 | |
9702 /* skip over pattern */ | |
9703 arg = skipwhite(p); | |
9704 while (*arg && (!vim_iswhite(*arg) || arg[-1] == '\\')) | |
9705 arg++; | |
9706 if (*arg) | |
9707 return arg; /* expand (next) command */ | |
9708 | |
9709 if (doautocmd) | |
9710 xp->xp_context = EXPAND_FILES; /* expand file names */ | |
9711 else | |
9712 xp->xp_context = EXPAND_NOTHING; /* pattern is not expanded */ | |
9713 return NULL; | |
9714 } | |
9715 | |
9716 /* | |
9717 * Function given to ExpandGeneric() to obtain the list of event names. | |
9718 */ | |
9719 char_u * | |
9720 get_event_name(xp, idx) | |
1880 | 9721 expand_T *xp UNUSED; |
7 | 9722 int idx; |
9723 { | |
9724 if (idx < augroups.ga_len) /* First list group names, if wanted */ | |
9725 { | |
9726 if (!include_groups || AUGROUP_NAME(idx) == NULL) | |
9727 return (char_u *)""; /* skip deleted entries */ | |
9728 return AUGROUP_NAME(idx); /* return a name */ | |
9729 } | |
9730 return (char_u *)event_names[idx - augroups.ga_len].name; | |
9731 } | |
9732 | |
9733 #endif /* FEAT_CMDL_COMPL */ | |
9734 | |
9735 /* | |
615 | 9736 * Return TRUE if autocmd is supported. |
9737 */ | |
9738 int | |
9739 autocmd_supported(name) | |
9740 char_u *name; | |
9741 { | |
9742 char_u *p; | |
9743 | |
9744 return (event_name2nr(name, &p) != NUM_EVENTS); | |
9745 } | |
9746 | |
9747 /* | |
612 | 9748 * Return TRUE if an autocommand is defined for a group, event and |
9749 * pattern: The group can be omitted to accept any group. "event" and "pattern" | |
9750 * can be NULL to accept any event and pattern. "pattern" can be NULL to accept | |
9751 * any pattern. Buffer-local patterns <buffer> or <buffer=N> are accepted. | |
9752 * Used for: | |
9753 * exists("#Group") or | |
9754 * exists("#Group#Event") or | |
9755 * exists("#Group#Event#pat") or | |
9756 * exists("#Event") or | |
9757 * exists("#Event#pat") | |
7 | 9758 */ |
9759 int | |
612 | 9760 au_exists(arg) |
9761 char_u *arg; | |
7 | 9762 { |
612 | 9763 char_u *arg_save; |
9764 char_u *pattern = NULL; | |
7 | 9765 char_u *event_name; |
9766 char_u *p; | |
661 | 9767 event_T event; |
7 | 9768 AutoPat *ap; |
40 | 9769 buf_T *buflocal_buf = NULL; |
612 | 9770 int group; |
9771 int retval = FALSE; | |
9772 | |
615 | 9773 /* Make a copy so that we can change the '#' chars to a NUL. */ |
612 | 9774 arg_save = vim_strsave(arg); |
9775 if (arg_save == NULL) | |
9776 return FALSE; | |
615 | 9777 p = vim_strchr(arg_save, '#'); |
612 | 9778 if (p != NULL) |
9779 *p++ = NUL; | |
9780 | |
9781 /* First, look for an autocmd group name */ | |
9782 group = au_find_group(arg_save); | |
9783 if (group == AUGROUP_ERROR) | |
9784 { | |
9785 /* Didn't match a group name, assume the first argument is an event. */ | |
9786 group = AUGROUP_ALL; | |
9787 event_name = arg_save; | |
9788 } | |
9789 else | |
9790 { | |
9791 if (p == NULL) | |
9792 { | |
9793 /* "Group": group name is present and it's recognized */ | |
9794 retval = TRUE; | |
9795 goto theend; | |
9796 } | |
9797 | |
9798 /* Must be "Group#Event" or "Group#Event#pat". */ | |
9799 event_name = p; | |
9800 p = vim_strchr(event_name, '#'); | |
9801 if (p != NULL) | |
9802 *p++ = NUL; /* "Group#Event#pat" */ | |
9803 } | |
9804 | |
9805 pattern = p; /* "pattern" is NULL when there is no pattern */ | |
7 | 9806 |
9807 /* find the index (enum) for the event name */ | |
9808 event = event_name2nr(event_name, &p); | |
9809 | |
9810 /* return FALSE if the event name is not recognized */ | |
612 | 9811 if (event == NUM_EVENTS) |
9812 goto theend; | |
7 | 9813 |
9814 /* Find the first autocommand for this event. | |
9815 * If there isn't any, return FALSE; | |
9816 * If there is one and no pattern given, return TRUE; */ | |
9817 ap = first_autopat[(int)event]; | |
9818 if (ap == NULL) | |
612 | 9819 goto theend; |
7 | 9820 |
40 | 9821 /* if pattern is "<buffer>", special handling is needed which uses curbuf */ |
9822 /* for pattern "<buffer=N>, fnamecmp() will work fine */ | |
1962 | 9823 if (pattern != NULL && STRICMP(pattern, "<buffer>") == 0) |
40 | 9824 buflocal_buf = curbuf; |
9825 | |
7 | 9826 /* Check if there is an autocommand with the given pattern. */ |
9827 for ( ; ap != NULL; ap = ap->next) | |
40 | 9828 /* only use a pattern when it has not been removed and has commands. */ |
9829 /* For buffer-local autocommands, fnamecmp() works fine. */ | |
7 | 9830 if (ap->pat != NULL && ap->cmds != NULL |
612 | 9831 && (group == AUGROUP_ALL || ap->group == group) |
1962 | 9832 && (pattern == NULL |
9833 || (buflocal_buf == NULL | |
9834 ? fnamecmp(ap->pat, pattern) == 0 | |
9835 : ap->buflocal_nr == buflocal_buf->b_fnum))) | |
612 | 9836 { |
9837 retval = TRUE; | |
9838 break; | |
9839 } | |
9840 | |
9841 theend: | |
9842 vim_free(arg_save); | |
9843 return retval; | |
7 | 9844 } |
40 | 9845 |
934 | 9846 #else /* FEAT_AUTOCMD */ |
9847 | |
9848 /* | |
9849 * Prepare for executing commands for (hidden) buffer "buf". | |
9850 * This is the non-autocommand version, it simply saves "curbuf" and sets | |
9851 * "curbuf" and "curwin" to match "buf". | |
9852 */ | |
9853 void | |
9854 aucmd_prepbuf(aco, buf) | |
9855 aco_save_T *aco; /* structure to save values in */ | |
9856 buf_T *buf; /* new curbuf */ | |
9857 { | |
1906 | 9858 aco->save_curbuf = curbuf; |
9859 --curbuf->b_nwindows; | |
934 | 9860 curbuf = buf; |
9861 curwin->w_buffer = buf; | |
1906 | 9862 ++curbuf->b_nwindows; |
934 | 9863 } |
9864 | |
9865 /* | |
9866 * Restore after executing commands for a (hidden) buffer. | |
9867 * This is the non-autocommand version. | |
9868 */ | |
9869 void | |
9870 aucmd_restbuf(aco) | |
9871 aco_save_T *aco; /* structure holding saved values */ | |
9872 { | |
1906 | 9873 --curbuf->b_nwindows; |
9874 curbuf = aco->save_curbuf; | |
934 | 9875 curwin->w_buffer = curbuf; |
1906 | 9876 ++curbuf->b_nwindows; |
934 | 9877 } |
9878 | |
7 | 9879 #endif /* FEAT_AUTOCMD */ |
9880 | |
934 | 9881 |
7 | 9882 #if defined(FEAT_AUTOCMD) || defined(FEAT_WILDIGN) || defined(PROTO) |
9883 /* | |
153 | 9884 * Try matching a filename with a "pattern" ("prog" is NULL), or use the |
9885 * precompiled regprog "prog" ("pattern" is NULL). That avoids calling | |
9886 * vim_regcomp() often. | |
7 | 9887 * Used for autocommands and 'wildignore'. |
9888 * Returns TRUE if there is a match, FALSE otherwise. | |
9889 */ | |
9890 int | |
153 | 9891 match_file_pat(pattern, prog, fname, sfname, tail, allow_dirs) |
7 | 9892 char_u *pattern; /* pattern to match with */ |
153 | 9893 regprog_T *prog; /* pre-compiled regprog or NULL */ |
7 | 9894 char_u *fname; /* full path of file name */ |
9895 char_u *sfname; /* short file name or NULL */ | |
9896 char_u *tail; /* tail of path */ | |
9897 int allow_dirs; /* allow matching with dir */ | |
9898 { | |
9899 regmatch_T regmatch; | |
9900 int result = FALSE; | |
9901 #ifdef FEAT_OSFILETYPE | |
9902 int no_pattern = FALSE; /* TRUE if check is filetype only */ | |
9903 char_u *type_start; | |
9904 char_u c; | |
9905 int match = FALSE; | |
9906 #endif | |
9907 | |
9908 #ifdef CASE_INSENSITIVE_FILENAME | |
9909 regmatch.rm_ic = TRUE; /* Always ignore case */ | |
9910 #else | |
9911 regmatch.rm_ic = FALSE; /* Don't ever ignore case */ | |
9912 #endif | |
9913 #ifdef FEAT_OSFILETYPE | |
9914 if (*pattern == '<') | |
9915 { | |
9916 /* There is a filetype condition specified with this pattern. | |
9917 * Check the filetype matches first. If not, don't bother with the | |
9918 * pattern (set regprog to NULL). | |
9919 * Always use magic for the regexp. | |
9920 */ | |
9921 | |
9922 for (type_start = pattern + 1; (c = *pattern); pattern++) | |
9923 { | |
9924 if ((c == ';' || c == '>') && match == FALSE) | |
9925 { | |
9926 *pattern = NUL; /* Terminate the string */ | |
9927 match = mch_check_filetype(fname, type_start); | |
9928 *pattern = c; /* Restore the terminator */ | |
9929 type_start = pattern + 1; | |
9930 } | |
9931 if (c == '>') | |
9932 break; | |
9933 } | |
9934 | |
9935 /* (c should never be NUL, but check anyway) */ | |
9936 if (match == FALSE || c == NUL) | |
9937 regmatch.regprog = NULL; /* Doesn't match - don't check pat. */ | |
9938 else if (*pattern == NUL) | |
9939 { | |
9940 regmatch.regprog = NULL; /* Vim will try to free regprog later */ | |
9941 no_pattern = TRUE; /* Always matches - don't check pat. */ | |
9942 } | |
9943 else | |
9944 regmatch.regprog = vim_regcomp(pattern + 1, RE_MAGIC); | |
9945 } | |
9946 else | |
9947 #endif | |
153 | 9948 { |
9949 if (prog != NULL) | |
9950 regmatch.regprog = prog; | |
9951 else | |
9952 regmatch.regprog = vim_regcomp(pattern, RE_MAGIC); | |
9953 } | |
7 | 9954 |
9955 /* | |
9956 * Try for a match with the pattern with: | |
9957 * 1. the full file name, when the pattern has a '/'. | |
9958 * 2. the short file name, when the pattern has a '/'. | |
9959 * 3. the tail of the file name, when the pattern has no '/'. | |
9960 */ | |
9961 if ( | |
9962 #ifdef FEAT_OSFILETYPE | |
9963 /* If the check is for a filetype only and we don't care | |
9964 * about the path then skip all the regexp stuff. | |
9965 */ | |
9966 no_pattern || | |
9967 #endif | |
9968 (regmatch.regprog != NULL | |
9969 && ((allow_dirs | |
9970 && (vim_regexec(®match, fname, (colnr_T)0) | |
9971 || (sfname != NULL | |
9972 && vim_regexec(®match, sfname, (colnr_T)0)))) | |
9973 || (!allow_dirs && vim_regexec(®match, tail, (colnr_T)0))))) | |
9974 result = TRUE; | |
9975 | |
153 | 9976 if (prog == NULL) |
9977 vim_free(regmatch.regprog); | |
7 | 9978 return result; |
9979 } | |
9980 #endif | |
9981 | |
9982 #if defined(FEAT_WILDIGN) || defined(PROTO) | |
9983 /* | |
9984 * Return TRUE if a file matches with a pattern in "list". | |
9985 * "list" is a comma-separated list of patterns, like 'wildignore'. | |
9986 * "sfname" is the short file name or NULL, "ffname" the long file name. | |
9987 */ | |
9988 int | |
9989 match_file_list(list, sfname, ffname) | |
9990 char_u *list; | |
9991 char_u *sfname; | |
9992 char_u *ffname; | |
9993 { | |
9994 char_u buf[100]; | |
9995 char_u *tail; | |
9996 char_u *regpat; | |
9997 char allow_dirs; | |
9998 int match; | |
9999 char_u *p; | |
10000 | |
10001 tail = gettail(sfname); | |
10002 | |
10003 /* try all patterns in 'wildignore' */ | |
10004 p = list; | |
10005 while (*p) | |
10006 { | |
10007 copy_option_part(&p, buf, 100, ","); | |
10008 regpat = file_pat_to_reg_pat(buf, NULL, &allow_dirs, FALSE); | |
10009 if (regpat == NULL) | |
10010 break; | |
153 | 10011 match = match_file_pat(regpat, NULL, ffname, sfname, |
10012 tail, (int)allow_dirs); | |
7 | 10013 vim_free(regpat); |
10014 if (match) | |
10015 return TRUE; | |
10016 } | |
10017 return FALSE; | |
10018 } | |
10019 #endif | |
10020 | |
10021 /* | |
10022 * Convert the given pattern "pat" which has shell style wildcards in it, into | |
10023 * a regular expression, and return the result in allocated memory. If there | |
10024 * is a directory path separator to be matched, then TRUE is put in | |
10025 * allow_dirs, otherwise FALSE is put there -- webb. | |
10026 * Handle backslashes before special characters, like "\*" and "\ ". | |
10027 * | |
10028 * If FEAT_OSFILETYPE defined then pass initial <type> through unchanged. Eg: | |
10029 * '<html>myfile' becomes '<html>^myfile$' -- leonard. | |
10030 * | |
10031 * Returns NULL when out of memory. | |
10032 */ | |
10033 char_u * | |
10034 file_pat_to_reg_pat(pat, pat_end, allow_dirs, no_bslash) | |
10035 char_u *pat; | |
10036 char_u *pat_end; /* first char after pattern or NULL */ | |
10037 char *allow_dirs; /* Result passed back out in here */ | |
1877 | 10038 int no_bslash UNUSED; /* Don't use a backward slash as pathsep */ |
7 | 10039 { |
10040 int size; | |
10041 char_u *endp; | |
10042 char_u *reg_pat; | |
10043 char_u *p; | |
10044 int i; | |
10045 int nested = 0; | |
10046 int add_dollar = TRUE; | |
10047 #ifdef FEAT_OSFILETYPE | |
10048 int check_length = 0; | |
10049 #endif | |
10050 | |
10051 if (allow_dirs != NULL) | |
10052 *allow_dirs = FALSE; | |
10053 if (pat_end == NULL) | |
10054 pat_end = pat + STRLEN(pat); | |
10055 | |
10056 #ifdef FEAT_OSFILETYPE | |
10057 /* Find out how much of the string is the filetype check */ | |
10058 if (*pat == '<') | |
10059 { | |
10060 /* Count chars until the next '>' */ | |
10061 for (p = pat + 1; p < pat_end && *p != '>'; p++) | |
10062 ; | |
10063 if (p < pat_end) | |
10064 { | |
10065 /* Pattern is of the form <.*>.* */ | |
10066 check_length = p - pat + 1; | |
10067 if (p + 1 >= pat_end) | |
10068 { | |
10069 /* The 'pattern' is a filetype check ONLY */ | |
10070 reg_pat = (char_u *)alloc(check_length + 1); | |
10071 if (reg_pat != NULL) | |
10072 { | |
10073 mch_memmove(reg_pat, pat, (size_t)check_length); | |
10074 reg_pat[check_length] = NUL; | |
10075 } | |
10076 return reg_pat; | |
10077 } | |
10078 } | |
10079 /* else: there was no closing '>' - assume it was a normal pattern */ | |
10080 | |
10081 } | |
10082 pat += check_length; | |
10083 size = 2 + check_length; | |
10084 #else | |
10085 size = 2; /* '^' at start, '$' at end */ | |
10086 #endif | |
10087 | |
10088 for (p = pat; p < pat_end; p++) | |
10089 { | |
10090 switch (*p) | |
10091 { | |
10092 case '*': | |
10093 case '.': | |
10094 case ',': | |
10095 case '{': | |
10096 case '}': | |
10097 case '~': | |
10098 size += 2; /* extra backslash */ | |
10099 break; | |
10100 #ifdef BACKSLASH_IN_FILENAME | |
10101 case '\\': | |
10102 case '/': | |
10103 size += 4; /* could become "[\/]" */ | |
10104 break; | |
10105 #endif | |
10106 default: | |
10107 size++; | |
10108 # ifdef FEAT_MBYTE | |
474 | 10109 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
7 | 10110 { |
10111 ++p; | |
10112 ++size; | |
10113 } | |
10114 # endif | |
10115 break; | |
10116 } | |
10117 } | |
10118 reg_pat = alloc(size + 1); | |
10119 if (reg_pat == NULL) | |
10120 return NULL; | |
10121 | |
10122 #ifdef FEAT_OSFILETYPE | |
10123 /* Copy the type check in to the start. */ | |
10124 if (check_length) | |
10125 mch_memmove(reg_pat, pat - check_length, (size_t)check_length); | |
10126 i = check_length; | |
10127 #else | |
10128 i = 0; | |
10129 #endif | |
10130 | |
10131 if (pat[0] == '*') | |
10132 while (pat[0] == '*' && pat < pat_end - 1) | |
10133 pat++; | |
10134 else | |
10135 reg_pat[i++] = '^'; | |
10136 endp = pat_end - 1; | |
10137 if (*endp == '*') | |
10138 { | |
10139 while (endp - pat > 0 && *endp == '*') | |
10140 endp--; | |
10141 add_dollar = FALSE; | |
10142 } | |
10143 for (p = pat; *p && nested >= 0 && p <= endp; p++) | |
10144 { | |
10145 switch (*p) | |
10146 { | |
10147 case '*': | |
10148 reg_pat[i++] = '.'; | |
10149 reg_pat[i++] = '*'; | |
444 | 10150 while (p[1] == '*') /* "**" matches like "*" */ |
10151 ++p; | |
7 | 10152 break; |
10153 case '.': | |
10154 #ifdef RISCOS | |
10155 if (allow_dirs != NULL) | |
10156 *allow_dirs = TRUE; | |
10157 /* FALLTHROUGH */ | |
10158 #endif | |
10159 case '~': | |
10160 reg_pat[i++] = '\\'; | |
10161 reg_pat[i++] = *p; | |
10162 break; | |
10163 case '?': | |
10164 #ifdef RISCOS | |
10165 case '#': | |
10166 #endif | |
10167 reg_pat[i++] = '.'; | |
10168 break; | |
10169 case '\\': | |
10170 if (p[1] == NUL) | |
10171 break; | |
10172 #ifdef BACKSLASH_IN_FILENAME | |
10173 if (!no_bslash) | |
10174 { | |
10175 /* translate: | |
10176 * "\x" to "\\x" e.g., "dir\file" | |
10177 * "\*" to "\\.*" e.g., "dir\*.c" | |
10178 * "\?" to "\\." e.g., "dir\??.c" | |
10179 * "\+" to "\+" e.g., "fileX\+.c" | |
10180 */ | |
10181 if ((vim_isfilec(p[1]) || p[1] == '*' || p[1] == '?') | |
10182 && p[1] != '+') | |
10183 { | |
10184 reg_pat[i++] = '['; | |
10185 reg_pat[i++] = '\\'; | |
10186 reg_pat[i++] = '/'; | |
10187 reg_pat[i++] = ']'; | |
10188 if (allow_dirs != NULL) | |
10189 *allow_dirs = TRUE; | |
10190 break; | |
10191 } | |
10192 } | |
10193 #endif | |
2243
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10194 /* Undo escaping from ExpandEscape(): |
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10195 * foo\?bar -> foo?bar |
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10196 * foo\%bar -> foo%bar |
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10197 * foo\,bar -> foo,bar |
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10198 * foo\ bar -> foo bar |
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10199 * Don't unescape \, * and others that are also special in a |
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10200 * regexp. */ |
7 | 10201 if (*++p == '?' |
10202 #ifdef BACKSLASH_IN_FILENAME | |
10203 && no_bslash | |
10204 #endif | |
10205 ) | |
10206 reg_pat[i++] = '?'; | |
10207 else | |
2243
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10208 if (*p == ',' || *p == '%' || *p == '#' || *p == ' ') |
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10209 reg_pat[i++] = *p; |
7 | 10210 else |
10211 { | |
10212 if (allow_dirs != NULL && vim_ispathsep(*p) | |
10213 #ifdef BACKSLASH_IN_FILENAME | |
10214 && (!no_bslash || *p != '\\') | |
10215 #endif | |
10216 ) | |
10217 *allow_dirs = TRUE; | |
10218 reg_pat[i++] = '\\'; | |
10219 reg_pat[i++] = *p; | |
10220 } | |
10221 break; | |
10222 #ifdef BACKSLASH_IN_FILENAME | |
10223 case '/': | |
10224 reg_pat[i++] = '['; | |
10225 reg_pat[i++] = '\\'; | |
10226 reg_pat[i++] = '/'; | |
10227 reg_pat[i++] = ']'; | |
10228 if (allow_dirs != NULL) | |
10229 *allow_dirs = TRUE; | |
10230 break; | |
10231 #endif | |
10232 case '{': | |
10233 reg_pat[i++] = '\\'; | |
10234 reg_pat[i++] = '('; | |
10235 nested++; | |
10236 break; | |
10237 case '}': | |
10238 reg_pat[i++] = '\\'; | |
10239 reg_pat[i++] = ')'; | |
10240 --nested; | |
10241 break; | |
10242 case ',': | |
10243 if (nested) | |
10244 { | |
10245 reg_pat[i++] = '\\'; | |
10246 reg_pat[i++] = '|'; | |
10247 } | |
10248 else | |
10249 reg_pat[i++] = ','; | |
10250 break; | |
10251 default: | |
10252 # ifdef FEAT_MBYTE | |
474 | 10253 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
7 | 10254 reg_pat[i++] = *p++; |
10255 else | |
10256 # endif | |
10257 if (allow_dirs != NULL && vim_ispathsep(*p)) | |
10258 *allow_dirs = TRUE; | |
10259 reg_pat[i++] = *p; | |
10260 break; | |
10261 } | |
10262 } | |
10263 if (add_dollar) | |
10264 reg_pat[i++] = '$'; | |
10265 reg_pat[i] = NUL; | |
10266 if (nested != 0) | |
10267 { | |
10268 if (nested < 0) | |
10269 EMSG(_("E219: Missing {.")); | |
10270 else | |
10271 EMSG(_("E220: Missing }.")); | |
10272 vim_free(reg_pat); | |
10273 reg_pat = NULL; | |
10274 } | |
10275 return reg_pat; | |
10276 } |