Commit | Line | Data |
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14d55bce | 1 | /* Lisp functions for making directory listings. |
0a974c85 GM |
2 | Copyright (C) 1985, 1986, 1993, 1994, 1999, 2000, 2001 |
3 | Free Software Foundation, Inc. | |
14d55bce RS |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
7 | GNU Emacs is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
7c938215 | 9 | the Free Software Foundation; either version 2, or (at your option) |
14d55bce RS |
10 | any later version. |
11 | ||
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GNU Emacs; see the file COPYING. If not, write to | |
3b7ad313 EN |
19 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
20 | Boston, MA 02111-1307, USA. */ | |
14d55bce RS |
21 | |
22 | ||
3964b9a7 RS |
23 | #include <config.h> |
24 | ||
14d55bce RS |
25 | #include <stdio.h> |
26 | #include <sys/types.h> | |
27 | #include <sys/stat.h> | |
28 | ||
68c45bf0 | 29 | #include "systime.h" |
7cc9f69f | 30 | #include <errno.h> |
68c45bf0 | 31 | |
3ed991aa RS |
32 | #ifdef VMS |
33 | #include <string.h> | |
34 | #include <rms.h> | |
35 | #include <rmsdef.h> | |
36 | #endif | |
37 | ||
dfcf069d AS |
38 | #ifdef HAVE_UNISTD_H |
39 | #include <unistd.h> | |
40 | #endif | |
41 | ||
d6717cdb JB |
42 | /* The d_nameln member of a struct dirent includes the '\0' character |
43 | on some systems, but not on others. What's worse, you can't tell | |
44 | at compile-time which one it will be, since it really depends on | |
45 | the sort of system providing the filesystem you're reading from, | |
46 | not the system you are running on. Paul Eggert | |
47 | <eggert@bi.twinsun.com> says this occurs when Emacs is running on a | |
48 | SunOS 4.1.2 host, reading a directory that is remote-mounted from a | |
49 | Solaris 2.1 host and is in a native Solaris 2.1 filesystem. | |
50 | ||
51 | Since applying strlen to the name always works, we'll just do that. */ | |
52 | #define NAMLEN(p) strlen (p->d_name) | |
53 | ||
14d55bce RS |
54 | #ifdef SYSV_SYSTEM_DIR |
55 | ||
56 | #include <dirent.h> | |
57 | #define DIRENTRY struct dirent | |
14d55bce | 58 | |
128ecc89 | 59 | #else /* not SYSV_SYSTEM_DIR */ |
14d55bce RS |
60 | |
61 | #ifdef NONSYSTEM_DIR_LIBRARY | |
62 | #include "ndir.h" | |
63 | #else /* not NONSYSTEM_DIR_LIBRARY */ | |
128ecc89 RS |
64 | #ifdef MSDOS |
65 | #include <dirent.h> | |
66 | #else | |
14d55bce | 67 | #include <sys/dir.h> |
128ecc89 | 68 | #endif |
14d55bce RS |
69 | #endif /* not NONSYSTEM_DIR_LIBRARY */ |
70 | ||
851cab13 DL |
71 | #include <sys/stat.h> |
72 | ||
128ecc89 | 73 | #ifndef MSDOS |
14d55bce | 74 | #define DIRENTRY struct direct |
14d55bce RS |
75 | |
76 | extern DIR *opendir (); | |
77 | extern struct direct *readdir (); | |
78 | ||
128ecc89 RS |
79 | #endif /* not MSDOS */ |
80 | #endif /* not SYSV_SYSTEM_DIR */ | |
81 | ||
82 | #ifdef MSDOS | |
83 | #define DIRENTRY_NONEMPTY(p) ((p)->d_name[0] != 0) | |
84 | #else | |
85 | #define DIRENTRY_NONEMPTY(p) ((p)->d_ino) | |
14d55bce RS |
86 | #endif |
87 | ||
14d55bce RS |
88 | #include "lisp.h" |
89 | #include "buffer.h" | |
90 | #include "commands.h" | |
bd33479f KH |
91 | #include "charset.h" |
92 | #include "coding.h" | |
14d55bce | 93 | #include "regex.h" |
14d55bce | 94 | |
e50c66d3 KH |
95 | /* Returns a search buffer, with a fastmap allocated and ready to go. */ |
96 | extern struct re_pattern_buffer *compile_pattern (); | |
c7e466e1 | 97 | |
851cab13 DL |
98 | /* From filemode.c. Can't go in Lisp.h because of `stat'. */ |
99 | extern void filemodestring P_ ((struct stat *, char *)); | |
100 | ||
14d55bce RS |
101 | /* if system does not have symbolic links, it does not have lstat. |
102 | In that case, use ordinary stat instead. */ | |
103 | ||
104 | #ifndef S_IFLNK | |
105 | #define lstat stat | |
106 | #endif | |
107 | ||
97e98a56 | 108 | extern int completion_ignore_case; |
f676868d | 109 | extern Lisp_Object Vcompletion_regexp_list; |
bd33479f | 110 | extern Lisp_Object Vfile_name_coding_system, Vdefault_file_name_coding_system; |
ccbcf979 | 111 | |
14d55bce | 112 | Lisp_Object Vcompletion_ignored_extensions; |
14d55bce | 113 | Lisp_Object Qcompletion_ignore_case; |
32f4334d | 114 | Lisp_Object Qdirectory_files; |
4424b255 | 115 | Lisp_Object Qdirectory_files_and_attributes; |
32f4334d RS |
116 | Lisp_Object Qfile_name_completion; |
117 | Lisp_Object Qfile_name_all_completions; | |
434e6714 | 118 | Lisp_Object Qfile_attributes; |
4424b255 | 119 | Lisp_Object Qfile_attributes_lessp; |
14d55bce | 120 | \f |
2488aba5 AI |
121 | |
122 | Lisp_Object | |
123 | directory_files_internal_unwind (dh) | |
124 | Lisp_Object dh; | |
125 | { | |
126 | DIR *d = (DIR *) ((XINT (XCAR (dh)) << 16) + XINT (XCDR (dh))); | |
127 | closedir (d); | |
128 | return Qnil; | |
129 | } | |
130 | ||
4424b255 GV |
131 | /* Function shared by Fdirectory_files and Fdirectory_files_and_attributes. |
132 | When ATTRS is zero, return a list of directory filenames; when | |
133 | non-zero, return a list of directory filenames and their attributes. */ | |
f69f9da1 | 134 | |
4424b255 GV |
135 | Lisp_Object |
136 | directory_files_internal (directory, full, match, nosort, attrs) | |
23bd240f | 137 | Lisp_Object directory, full, match, nosort; |
4424b255 | 138 | int attrs; |
14d55bce RS |
139 | { |
140 | DIR *d; | |
388ac098 GM |
141 | int directory_nbytes; |
142 | Lisp_Object list, dirfilename, encoded_directory; | |
6bbd7a29 | 143 | struct re_pattern_buffer *bufp = NULL; |
96d64004 | 144 | int needsep = 0; |
2488aba5 | 145 | int count = specpdl_ptr - specpdl; |
388ac098 | 146 | struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5; |
8e42f043 GM |
147 | DIRENTRY *dp; |
148 | int retry_p; | |
32f4334d | 149 | |
96d64004 | 150 | /* Because of file name handlers, these functions might call |
6155fae1 | 151 | Ffuncall, and cause a GC. */ |
388ac098 GM |
152 | list = encoded_directory = dirfilename = Qnil; |
153 | GCPRO5 (match, directory, list, dirfilename, encoded_directory); | |
96d64004 | 154 | directory = Fexpand_file_name (directory, Qnil); |
96d64004 | 155 | dirfilename = Fdirectory_file_name (directory); |
6155fae1 | 156 | |
265a9e55 | 157 | if (!NILP (match)) |
14d55bce RS |
158 | { |
159 | CHECK_STRING (match, 3); | |
ebb9e16f JB |
160 | |
161 | /* MATCH might be a flawed regular expression. Rather than | |
8e6208c5 | 162 | catching and signaling our own errors, we just call |
ebb9e16f | 163 | compile_pattern to do the work for us. */ |
c872c6b2 RS |
164 | /* Pass 1 for the MULTIBYTE arg |
165 | because we do make multibyte strings if the contents warrant. */ | |
14d55bce | 166 | #ifdef VMS |
e50c66d3 | 167 | bufp = compile_pattern (match, 0, |
3e937712 | 168 | buffer_defaults.downcase_table, 0, 1); |
14d55bce | 169 | #else |
3e937712 | 170 | bufp = compile_pattern (match, 0, Qnil, 0, 1); |
14d55bce RS |
171 | #endif |
172 | } | |
173 | ||
b3edfc9b | 174 | /* Note: ENCODE_FILE and DECODE_FILE can GC because they can run |
388ac098 GM |
175 | run_pre_post_conversion_on_str which calls Lisp directly and |
176 | indirectly. */ | |
24c2a54f | 177 | dirfilename = ENCODE_FILE (dirfilename); |
24c2a54f RS |
178 | encoded_directory = ENCODE_FILE (directory); |
179 | ||
e50c66d3 | 180 | /* Now *bufp is the compiled form of MATCH; don't call anything |
6155fae1 JB |
181 | which might compile a new regexp until we're done with the loop! */ |
182 | ||
183 | /* Do this opendir after anything which might signal an error; if | |
8e6208c5 | 184 | an error is signaled while the directory stream is open, we |
6155fae1 JB |
185 | have to make sure it gets closed, and setting up an |
186 | unwind_protect to do so would be a pain. */ | |
8e42f043 GM |
187 | retry: |
188 | ||
6155fae1 | 189 | d = opendir (XSTRING (dirfilename)->data); |
388ac098 | 190 | if (d == NULL) |
23bd240f | 191 | report_file_error ("Opening directory", Fcons (directory, Qnil)); |
14d55bce | 192 | |
2488aba5 AI |
193 | /* Unfortunately, we can now invoke expand-file-name and |
194 | file-attributes on filenames, both of which can throw, so we must | |
195 | do a proper unwind-protect. */ | |
196 | record_unwind_protect (directory_files_internal_unwind, | |
197 | Fcons (make_number (((unsigned long) d) >> 16), | |
198 | make_number (((unsigned long) d) & 0xffff))); | |
199 | ||
388ac098 | 200 | directory_nbytes = STRING_BYTES (XSTRING (directory)); |
c81a9bdc | 201 | re_match_object = Qt; |
14d55bce | 202 | |
96d64004 AS |
203 | /* Decide whether we need to add a directory separator. */ |
204 | #ifndef VMS | |
388ac098 GM |
205 | if (directory_nbytes == 0 |
206 | || !IS_ANY_SEP (XSTRING (directory)->data[directory_nbytes - 1])) | |
96d64004 | 207 | needsep = 1; |
e540cbed | 208 | #endif /* not VMS */ |
96d64004 | 209 | |
8e42f043 | 210 | /* Loop reading blocks until EOF or error. */ |
f69f9da1 | 211 | for (;;) |
14d55bce | 212 | { |
f69f9da1 GM |
213 | errno = 0; |
214 | dp = readdir (d); | |
215 | ||
216 | #ifdef EAGAIN | |
217 | if (dp == NULL && errno == EAGAIN) | |
218 | continue; | |
219 | #endif | |
220 | ||
221 | if (dp == NULL) | |
222 | break; | |
223 | ||
128ecc89 | 224 | if (DIRENTRY_NONEMPTY (dp)) |
14d55bce | 225 | { |
e23f810c | 226 | int len; |
2488aba5 | 227 | int wanted = 0; |
388ac098 GM |
228 | Lisp_Object name, finalname; |
229 | struct gcpro gcpro1, gcpro2; | |
e23f810c KH |
230 | |
231 | len = NAMLEN (dp); | |
9ad4f3e5 | 232 | name = finalname = make_unibyte_string (dp->d_name, len); |
388ac098 GM |
233 | GCPRO2 (finalname, name); |
234 | ||
235 | /* Note: ENCODE_FILE can GC; it should protect its argument, | |
236 | though. */ | |
237 | name = DECODE_FILE (name); | |
e23f810c KH |
238 | len = STRING_BYTES (XSTRING (name)); |
239 | ||
2488aba5 AI |
240 | /* Now that we have unwind_protect in place, we might as well |
241 | allow matching to be interrupted. */ | |
242 | immediate_quit = 1; | |
243 | QUIT; | |
244 | ||
265a9e55 | 245 | if (NILP (match) |
e23f810c | 246 | || (0 <= re_search (bufp, XSTRING (name)->data, len, 0, len, 0))) |
388ac098 | 247 | wanted = 1; |
2488aba5 AI |
248 | |
249 | immediate_quit = 0; | |
250 | ||
251 | if (wanted) | |
14d55bce | 252 | { |
265a9e55 | 253 | if (!NILP (full)) |
14d55bce | 254 | { |
e23f810c | 255 | Lisp_Object fullname; |
388ac098 GM |
256 | int nbytes = len + directory_nbytes + needsep; |
257 | int nchars; | |
5617588f | 258 | |
388ac098 | 259 | fullname = make_uninit_multibyte_string (nbytes, nbytes); |
e23f810c | 260 | bcopy (XSTRING (directory)->data, XSTRING (fullname)->data, |
388ac098 GM |
261 | directory_nbytes); |
262 | ||
5617588f | 263 | if (needsep) |
cb154426 | 264 | XSTRING (fullname)->data[directory_nbytes] = DIRECTORY_SEP; |
388ac098 | 265 | |
e23f810c | 266 | bcopy (XSTRING (name)->data, |
388ac098 GM |
267 | XSTRING (fullname)->data + directory_nbytes + needsep, |
268 | len); | |
269 | ||
270 | nchars = chars_in_text (XSTRING (fullname)->data, nbytes); | |
271 | ||
272 | /* Some bug somewhere. */ | |
273 | if (nchars > nbytes) | |
274 | abort (); | |
275 | ||
e23f810c | 276 | XSTRING (fullname)->size = nchars; |
388ac098 | 277 | if (nchars == nbytes) |
e23f810c | 278 | SET_STRING_BYTES (XSTRING (fullname), -1); |
388ac098 | 279 | |
4424b255 GV |
280 | finalname = fullname; |
281 | } | |
aab9c564 KH |
282 | else |
283 | finalname = name; | |
4424b255 GV |
284 | |
285 | if (attrs) | |
286 | { | |
287 | /* Construct an expanded filename for the directory entry. | |
288 | Use the decoded names for input to Ffile_attributes. */ | |
388ac098 GM |
289 | Lisp_Object decoded_fullname, fileattrs; |
290 | struct gcpro gcpro1, gcpro2; | |
291 | ||
292 | decoded_fullname = fileattrs = Qnil; | |
293 | GCPRO2 (decoded_fullname, fileattrs); | |
4424b255 | 294 | |
388ac098 | 295 | /* Both Fexpand_file_name and Ffile_attributes can GC. */ |
4424b255 GV |
296 | decoded_fullname = Fexpand_file_name (name, directory); |
297 | fileattrs = Ffile_attributes (decoded_fullname); | |
298 | ||
299 | list = Fcons (Fcons (finalname, fileattrs), list); | |
388ac098 | 300 | UNGCPRO; |
4424b255 GV |
301 | } |
302 | else | |
388ac098 | 303 | list = Fcons (finalname, list); |
14d55bce | 304 | } |
388ac098 GM |
305 | |
306 | UNGCPRO; | |
14d55bce RS |
307 | } |
308 | } | |
2488aba5 | 309 | |
8e42f043 | 310 | retry_p = 0; |
8e42f043 GM |
311 | #ifdef EINTR |
312 | retry_p |= errno == EINTR; | |
313 | #endif | |
314 | ||
14d55bce | 315 | closedir (d); |
2488aba5 AI |
316 | |
317 | /* Discard the unwind protect. */ | |
318 | specpdl_ptr = specpdl + count; | |
319 | ||
8e42f043 | 320 | if (retry_p) |
76846b31 GM |
321 | { |
322 | list = Qnil; | |
323 | goto retry; | |
324 | } | |
8e42f043 | 325 | |
388ac098 GM |
326 | if (NILP (nosort)) |
327 | list = Fsort (Fnreverse (list), | |
328 | attrs ? Qfile_attributes_lessp : Qstring_lessp); | |
329 | ||
330 | RETURN_UNGCPRO (list); | |
14d55bce | 331 | } |
4424b255 GV |
332 | |
333 | ||
334 | DEFUN ("directory-files", Fdirectory_files, Sdirectory_files, 1, 4, 0, | |
335 | "Return a list of names of files in DIRECTORY.\n\ | |
336 | There are three optional arguments:\n\ | |
337 | If FULL is non-nil, return absolute file names. Otherwise return names\n\ | |
338 | that are relative to the specified directory.\n\ | |
339 | If MATCH is non-nil, mention only file names that match the regexp MATCH.\n\ | |
340 | If NOSORT is non-nil, the list is not sorted--its order is unpredictable.\n\ | |
341 | NOSORT is useful if you plan to sort the result yourself.") | |
342 | (directory, full, match, nosort) | |
343 | Lisp_Object directory, full, match, nosort; | |
344 | { | |
345 | Lisp_Object handler; | |
346 | ||
347 | /* If the file name has special constructs in it, | |
348 | call the corresponding file handler. */ | |
349 | handler = Ffind_file_name_handler (directory, Qdirectory_files); | |
350 | if (!NILP (handler)) | |
351 | { | |
352 | Lisp_Object args[6]; | |
353 | ||
354 | args[0] = handler; | |
355 | args[1] = Qdirectory_files; | |
356 | args[2] = directory; | |
357 | args[3] = full; | |
358 | args[4] = match; | |
359 | args[5] = nosort; | |
360 | return Ffuncall (6, args); | |
361 | } | |
362 | ||
363 | return directory_files_internal (directory, full, match, nosort, 0); | |
364 | } | |
365 | ||
366 | DEFUN ("directory-files-and-attributes", Fdirectory_files_and_attributes, Sdirectory_files_and_attributes, 1, 4, 0, | |
367 | "Return a list of names of files and their attributes in DIRECTORY.\n\ | |
368 | There are three optional arguments:\n\ | |
369 | If FULL is non-nil, return absolute file names. Otherwise return names\n\ | |
370 | that are relative to the specified directory.\n\ | |
371 | If MATCH is non-nil, mention only file names that match the regexp MATCH.\n\ | |
372 | If NOSORT is non-nil, the list is not sorted--its order is unpredictable.\n\ | |
373 | NOSORT is useful if you plan to sort the result yourself.") | |
374 | (directory, full, match, nosort) | |
375 | Lisp_Object directory, full, match, nosort; | |
376 | { | |
377 | Lisp_Object handler; | |
378 | ||
379 | /* If the file name has special constructs in it, | |
380 | call the corresponding file handler. */ | |
381 | handler = Ffind_file_name_handler (directory, Qdirectory_files_and_attributes); | |
382 | if (!NILP (handler)) | |
383 | { | |
384 | Lisp_Object args[6]; | |
385 | ||
386 | args[0] = handler; | |
387 | args[1] = Qdirectory_files_and_attributes; | |
388 | args[2] = directory; | |
389 | args[3] = full; | |
390 | args[4] = match; | |
391 | args[5] = nosort; | |
392 | return Ffuncall (6, args); | |
393 | } | |
394 | ||
395 | return directory_files_internal (directory, full, match, nosort, 1); | |
396 | } | |
397 | ||
14d55bce RS |
398 | \f |
399 | Lisp_Object file_name_completion (); | |
400 | ||
401 | DEFUN ("file-name-completion", Ffile_name_completion, Sfile_name_completion, | |
402 | 2, 2, 0, | |
23bd240f | 403 | "Complete file name FILE in directory DIRECTORY.\n\ |
14d55bce | 404 | Returns the longest string\n\ |
7b6540dd | 405 | common to all file names in DIRECTORY that start with FILE.\n\ |
14d55bce | 406 | If there is only one and FILE matches it exactly, returns t.\n\ |
d013f29b EZ |
407 | Returns nil if DIR contains no name starting with FILE.\n\ |
408 | \n\ | |
409 | This function ignores some of the possible completions as\n\ | |
410 | determined by the variable `completion-ignored-extensions', which see.") | |
23bd240f EN |
411 | (file, directory) |
412 | Lisp_Object file, directory; | |
14d55bce | 413 | { |
32f4334d | 414 | Lisp_Object handler; |
32f4334d | 415 | |
8436e231 | 416 | /* If the directory name has special constructs in it, |
32f4334d | 417 | call the corresponding file handler. */ |
23bd240f | 418 | handler = Ffind_file_name_handler (directory, Qfile_name_completion); |
32f4334d | 419 | if (!NILP (handler)) |
23bd240f | 420 | return call3 (handler, Qfile_name_completion, file, directory); |
32f4334d | 421 | |
8436e231 RS |
422 | /* If the file name has special constructs in it, |
423 | call the corresponding file handler. */ | |
424 | handler = Ffind_file_name_handler (file, Qfile_name_completion); | |
425 | if (!NILP (handler)) | |
23bd240f | 426 | return call3 (handler, Qfile_name_completion, file, directory); |
8436e231 | 427 | |
23bd240f | 428 | return file_name_completion (file, directory, 0, 0); |
14d55bce RS |
429 | } |
430 | ||
431 | DEFUN ("file-name-all-completions", Ffile_name_all_completions, | |
432 | Sfile_name_all_completions, 2, 2, 0, | |
23bd240f EN |
433 | "Return a list of all completions of file name FILE in directory DIRECTORY.\n\ |
434 | These are all file names in directory DIRECTORY which begin with FILE.") | |
435 | (file, directory) | |
436 | Lisp_Object file, directory; | |
14d55bce | 437 | { |
32f4334d RS |
438 | Lisp_Object handler; |
439 | ||
8436e231 | 440 | /* If the directory name has special constructs in it, |
32f4334d | 441 | call the corresponding file handler. */ |
23bd240f | 442 | handler = Ffind_file_name_handler (directory, Qfile_name_all_completions); |
32f4334d | 443 | if (!NILP (handler)) |
23bd240f | 444 | return call3 (handler, Qfile_name_all_completions, file, directory); |
32f4334d | 445 | |
8436e231 RS |
446 | /* If the file name has special constructs in it, |
447 | call the corresponding file handler. */ | |
448 | handler = Ffind_file_name_handler (file, Qfile_name_all_completions); | |
449 | if (!NILP (handler)) | |
23bd240f | 450 | return call3 (handler, Qfile_name_all_completions, file, directory); |
8436e231 | 451 | |
23bd240f | 452 | return file_name_completion (file, directory, 1, 0); |
14d55bce RS |
453 | } |
454 | ||
dfcf069d AS |
455 | static int file_name_completion_stat (); |
456 | ||
14d55bce RS |
457 | Lisp_Object |
458 | file_name_completion (file, dirname, all_flag, ver_flag) | |
459 | Lisp_Object file, dirname; | |
460 | int all_flag, ver_flag; | |
461 | { | |
462 | DIR *d; | |
6bbd7a29 | 463 | int bestmatchsize = 0, skip; |
14d55bce RS |
464 | register int compare, matchsize; |
465 | unsigned char *p1, *p2; | |
466 | int matchcount = 0; | |
467 | Lisp_Object bestmatch, tem, elt, name; | |
24c2a54f RS |
468 | Lisp_Object encoded_file; |
469 | Lisp_Object encoded_dir; | |
14d55bce RS |
470 | struct stat st; |
471 | int directoryp; | |
472 | int passcount; | |
473 | int count = specpdl_ptr - specpdl; | |
24c2a54f | 474 | struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5; |
3fcc88cc | 475 | |
6bbd7a29 GM |
476 | elt = Qnil; |
477 | ||
14d55bce RS |
478 | #ifdef VMS |
479 | extern DIRENTRY * readdirver (); | |
480 | ||
481 | DIRENTRY *((* readfunc) ()); | |
482 | ||
483 | /* Filename completion on VMS ignores case, since VMS filesys does. */ | |
484 | specbind (Qcompletion_ignore_case, Qt); | |
485 | ||
486 | readfunc = readdir; | |
487 | if (ver_flag) | |
488 | readfunc = readdirver; | |
489 | file = Fupcase (file); | |
490 | #else /* not VMS */ | |
491 | CHECK_STRING (file, 0); | |
492 | #endif /* not VMS */ | |
493 | ||
128ecc89 RS |
494 | #ifdef FILE_SYSTEM_CASE |
495 | file = FILE_SYSTEM_CASE (file); | |
496 | #endif | |
14d55bce | 497 | bestmatch = Qnil; |
24c2a54f RS |
498 | encoded_file = encoded_dir = Qnil; |
499 | GCPRO5 (file, dirname, bestmatch, encoded_file, encoded_dir); | |
3fcc88cc | 500 | dirname = Fexpand_file_name (dirname, Qnil); |
14d55bce | 501 | |
24c2a54f RS |
502 | /* Do completion on the encoded file name |
503 | because the other names in the directory are (we presume) | |
504 | encoded likewise. We decode the completed string at the end. */ | |
505 | encoded_file = ENCODE_FILE (file); | |
506 | ||
507 | encoded_dir = ENCODE_FILE (dirname); | |
508 | ||
14d55bce RS |
509 | /* With passcount = 0, ignore files that end in an ignored extension. |
510 | If nothing found then try again with passcount = 1, don't ignore them. | |
511 | If looking for all completions, start with passcount = 1, | |
512 | so always take even the ignored ones. | |
513 | ||
514 | ** It would not actually be helpful to the user to ignore any possible | |
515 | completions when making a list of them.** */ | |
516 | ||
265a9e55 | 517 | for (passcount = !!all_flag; NILP (bestmatch) && passcount < 2; passcount++) |
14d55bce | 518 | { |
24c2a54f RS |
519 | d = opendir (XSTRING (Fdirectory_file_name (encoded_dir))->data); |
520 | if (!d) | |
14d55bce RS |
521 | report_file_error ("Opening directory", Fcons (dirname, Qnil)); |
522 | ||
523 | /* Loop reading blocks */ | |
524 | /* (att3b compiler bug requires do a null comparison this way) */ | |
525 | while (1) | |
526 | { | |
527 | DIRENTRY *dp; | |
528 | int len; | |
529 | ||
530 | #ifdef VMS | |
531 | dp = (*readfunc) (d); | |
532 | #else | |
533 | dp = readdir (d); | |
534 | #endif | |
535 | if (!dp) break; | |
536 | ||
537 | len = NAMLEN (dp); | |
538 | ||
265a9e55 | 539 | if (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) |
14d55bce | 540 | goto quit; |
128ecc89 | 541 | if (! DIRENTRY_NONEMPTY (dp) |
24c2a54f RS |
542 | || len < XSTRING (encoded_file)->size |
543 | || 0 <= scmp (dp->d_name, XSTRING (encoded_file)->data, | |
544 | XSTRING (encoded_file)->size)) | |
14d55bce RS |
545 | continue; |
546 | ||
24c2a54f | 547 | if (file_name_completion_stat (encoded_dir, dp, &st) < 0) |
14d55bce RS |
548 | continue; |
549 | ||
550 | directoryp = ((st.st_mode & S_IFMT) == S_IFDIR); | |
551 | tem = Qnil; | |
ad456ad4 RS |
552 | if (directoryp) |
553 | { | |
554 | #ifndef TRIVIAL_DIRECTORY_ENTRY | |
555 | #define TRIVIAL_DIRECTORY_ENTRY(n) (!strcmp (n, ".") || !strcmp (n, "..")) | |
556 | #endif | |
557 | /* "." and ".." are never interesting as completions, but are | |
558 | actually in the way in a directory contains only one file. */ | |
559 | if (!passcount && TRIVIAL_DIRECTORY_ENTRY (dp->d_name)) | |
560 | continue; | |
d013f29b EZ |
561 | if (!passcount && len > XSTRING (encoded_file)->size) |
562 | /* Ignore directories if they match an element of | |
563 | completion-ignored-extensions which ends in a slash. */ | |
564 | for (tem = Vcompletion_ignored_extensions; | |
565 | CONSP (tem); tem = XCDR (tem)) | |
566 | { | |
567 | int elt_len; | |
568 | ||
569 | elt = XCAR (tem); | |
570 | if (!STRINGP (elt)) | |
571 | continue; | |
572 | elt_len = XSTRING (elt)->size - 1; /* -1 for trailing / */ | |
7a8d465a | 573 | if (elt_len <= 0) |
d013f29b EZ |
574 | continue; |
575 | p1 = XSTRING (elt)->data; | |
576 | if (p1[elt_len] != '/') | |
577 | continue; | |
578 | skip = len - elt_len; | |
579 | if (skip < 0) | |
580 | continue; | |
581 | ||
582 | if (0 <= scmp (dp->d_name + skip, p1, elt_len)) | |
583 | continue; | |
584 | break; | |
585 | } | |
ad456ad4 RS |
586 | } |
587 | else | |
14d55bce RS |
588 | { |
589 | /* Compare extensions-to-be-ignored against end of this file name */ | |
590 | /* if name is not an exact match against specified string */ | |
24c2a54f | 591 | if (!passcount && len > XSTRING (encoded_file)->size) |
14d55bce RS |
592 | /* and exit this for loop if a match is found */ |
593 | for (tem = Vcompletion_ignored_extensions; | |
70949dac | 594 | CONSP (tem); tem = XCDR (tem)) |
14d55bce | 595 | { |
70949dac | 596 | elt = XCAR (tem); |
88cf1852 | 597 | if (!STRINGP (elt)) continue; |
14d55bce RS |
598 | skip = len - XSTRING (elt)->size; |
599 | if (skip < 0) continue; | |
600 | ||
601 | if (0 <= scmp (dp->d_name + skip, | |
602 | XSTRING (elt)->data, | |
603 | XSTRING (elt)->size)) | |
604 | continue; | |
605 | break; | |
606 | } | |
607 | } | |
608 | ||
f676868d KH |
609 | /* If an ignored-extensions match was found, |
610 | don't process this name as a completion. */ | |
611 | if (!passcount && CONSP (tem)) | |
612 | continue; | |
613 | ||
614 | if (!passcount) | |
14d55bce | 615 | { |
f676868d KH |
616 | Lisp_Object regexps; |
617 | Lisp_Object zero; | |
617b3bfe | 618 | XSETFASTINT (zero, 0); |
f676868d KH |
619 | |
620 | /* Ignore this element if it fails to match all the regexps. */ | |
621 | for (regexps = Vcompletion_regexp_list; CONSP (regexps); | |
70949dac | 622 | regexps = XCDR (regexps)) |
f676868d | 623 | { |
1c56232f EZ |
624 | tem = Fstring_match (XCAR (regexps), |
625 | make_string (dp->d_name, len), zero); | |
f676868d KH |
626 | if (NILP (tem)) |
627 | break; | |
628 | } | |
629 | if (CONSP (regexps)) | |
630 | continue; | |
631 | } | |
14d55bce | 632 | |
f676868d | 633 | /* Update computation of how much all possible completions match */ |
14d55bce | 634 | |
f676868d KH |
635 | matchcount++; |
636 | ||
637 | if (all_flag || NILP (bestmatch)) | |
638 | { | |
639 | /* This is a possible completion */ | |
640 | if (directoryp) | |
14d55bce | 641 | { |
f676868d KH |
642 | /* This completion is a directory; make it end with '/' */ |
643 | name = Ffile_name_as_directory (make_string (dp->d_name, len)); | |
644 | } | |
645 | else | |
646 | name = make_string (dp->d_name, len); | |
647 | if (all_flag) | |
648 | { | |
bd33479f | 649 | name = DECODE_FILE (name); |
f676868d | 650 | bestmatch = Fcons (name, bestmatch); |
14d55bce RS |
651 | } |
652 | else | |
653 | { | |
f676868d KH |
654 | bestmatch = name; |
655 | bestmatchsize = XSTRING (name)->size; | |
656 | } | |
657 | } | |
658 | else | |
659 | { | |
660 | compare = min (bestmatchsize, len); | |
661 | p1 = XSTRING (bestmatch)->data; | |
662 | p2 = (unsigned char *) dp->d_name; | |
663 | matchsize = scmp(p1, p2, compare); | |
664 | if (matchsize < 0) | |
665 | matchsize = compare; | |
666 | if (completion_ignore_case) | |
667 | { | |
668 | /* If this is an exact match except for case, | |
669 | use it as the best match rather than one that is not | |
670 | an exact match. This way, we get the case pattern | |
671 | of the actual match. */ | |
f5ec5d3d RS |
672 | /* This tests that the current file is an exact match |
673 | but BESTMATCH is not (it is too long). */ | |
f676868d KH |
674 | if ((matchsize == len |
675 | && matchsize + !!directoryp | |
676 | < XSTRING (bestmatch)->size) | |
677 | || | |
678 | /* If there is no exact match ignoring case, | |
679 | prefer a match that does not change the case | |
680 | of the input. */ | |
f5ec5d3d RS |
681 | /* If there is more than one exact match aside from |
682 | case, and one of them is exact including case, | |
683 | prefer that one. */ | |
684 | /* This == checks that, of current file and BESTMATCH, | |
685 | either both or neither are exact. */ | |
f676868d KH |
686 | (((matchsize == len) |
687 | == | |
688 | (matchsize + !!directoryp | |
689 | == XSTRING (bestmatch)->size)) | |
24c2a54f RS |
690 | && !bcmp (p2, XSTRING (encoded_file)->data, XSTRING (encoded_file)->size) |
691 | && bcmp (p1, XSTRING (encoded_file)->data, XSTRING (encoded_file)->size))) | |
97e98a56 | 692 | { |
f676868d KH |
693 | bestmatch = make_string (dp->d_name, len); |
694 | if (directoryp) | |
695 | bestmatch = Ffile_name_as_directory (bestmatch); | |
97e98a56 | 696 | } |
14d55bce | 697 | } |
f676868d KH |
698 | |
699 | /* If this dirname all matches, see if implicit following | |
700 | slash does too. */ | |
701 | if (directoryp | |
702 | && compare == matchsize | |
703 | && bestmatchsize > matchsize | |
0b39d75d | 704 | && IS_ANY_SEP (p1[matchsize])) |
f676868d KH |
705 | matchsize++; |
706 | bestmatchsize = matchsize; | |
14d55bce RS |
707 | } |
708 | } | |
709 | closedir (d); | |
710 | } | |
711 | ||
3fcc88cc RS |
712 | UNGCPRO; |
713 | bestmatch = unbind_to (count, bestmatch); | |
14d55bce | 714 | |
265a9e55 | 715 | if (all_flag || NILP (bestmatch)) |
24c2a54f | 716 | { |
bd33479f KH |
717 | if (STRINGP (bestmatch)) |
718 | bestmatch = DECODE_FILE (bestmatch); | |
24c2a54f RS |
719 | return bestmatch; |
720 | } | |
14d55bce RS |
721 | if (matchcount == 1 && bestmatchsize == XSTRING (file)->size) |
722 | return Qt; | |
24c2a54f RS |
723 | bestmatch = Fsubstring (bestmatch, make_number (0), |
724 | make_number (bestmatchsize)); | |
725 | /* Now that we got the right initial segment of BESTMATCH, | |
726 | decode it from the coding system in use. */ | |
bd33479f | 727 | bestmatch = DECODE_FILE (bestmatch); |
24c2a54f RS |
728 | return bestmatch; |
729 | ||
14d55bce RS |
730 | quit: |
731 | if (d) closedir (d); | |
732 | Vquit_flag = Qnil; | |
733 | return Fsignal (Qquit, Qnil); | |
734 | } | |
735 | ||
dfcf069d | 736 | static int |
14d55bce RS |
737 | file_name_completion_stat (dirname, dp, st_addr) |
738 | Lisp_Object dirname; | |
739 | DIRENTRY *dp; | |
740 | struct stat *st_addr; | |
741 | { | |
742 | int len = NAMLEN (dp); | |
743 | int pos = XSTRING (dirname)->size; | |
7e3cf34f | 744 | int value; |
14d55bce RS |
745 | char *fullname = (char *) alloca (len + pos + 2); |
746 | ||
04924ee3 RS |
747 | #ifdef MSDOS |
748 | #if __DJGPP__ > 1 | |
749 | /* Some fields of struct stat are *very* expensive to compute on MS-DOS, | |
750 | but aren't required here. Avoid computing the following fields: | |
751 | st_inode, st_size and st_nlink for directories, and the execute bits | |
752 | in st_mode for non-directory files with non-standard extensions. */ | |
753 | ||
754 | unsigned short save_djstat_flags = _djstat_flags; | |
755 | ||
756 | _djstat_flags = _STAT_INODE | _STAT_EXEC_MAGIC | _STAT_DIRSIZE; | |
757 | #endif /* __DJGPP__ > 1 */ | |
758 | #endif /* MSDOS */ | |
759 | ||
14d55bce RS |
760 | bcopy (XSTRING (dirname)->data, fullname, pos); |
761 | #ifndef VMS | |
0b39d75d RS |
762 | if (!IS_DIRECTORY_SEP (fullname[pos - 1])) |
763 | fullname[pos++] = DIRECTORY_SEP; | |
14d55bce RS |
764 | #endif |
765 | ||
766 | bcopy (dp->d_name, fullname + pos, len); | |
767 | fullname[pos + len] = 0; | |
768 | ||
a889bd0e | 769 | #ifdef S_IFLNK |
7e3cf34f RS |
770 | /* We want to return success if a link points to a nonexistent file, |
771 | but we want to return the status for what the link points to, | |
772 | in case it is a directory. */ | |
773 | value = lstat (fullname, st_addr); | |
774 | stat (fullname, st_addr); | |
775 | return value; | |
a889bd0e | 776 | #else |
04924ee3 RS |
777 | value = stat (fullname, st_addr); |
778 | #ifdef MSDOS | |
779 | #if __DJGPP__ > 1 | |
780 | _djstat_flags = save_djstat_flags; | |
781 | #endif /* __DJGPP__ > 1 */ | |
782 | #endif /* MSDOS */ | |
783 | return value; | |
784 | #endif /* S_IFLNK */ | |
14d55bce RS |
785 | } |
786 | \f | |
3ed991aa RS |
787 | #ifdef VMS |
788 | ||
789 | DEFUN ("file-name-all-versions", Ffile_name_all_versions, | |
790 | Sfile_name_all_versions, 2, 2, 0, | |
23bd240f EN |
791 | "Return a list of all versions of file name FILE in directory DIRECTORY.") |
792 | (file, directory) | |
793 | Lisp_Object file, directory; | |
3ed991aa | 794 | { |
23bd240f | 795 | return file_name_completion (file, directory, 1, 1); |
3ed991aa RS |
796 | } |
797 | ||
798 | DEFUN ("file-version-limit", Ffile_version_limit, Sfile_version_limit, 1, 1, 0, | |
799 | "Return the maximum number of versions allowed for FILE.\n\ | |
800 | Returns nil if the file cannot be opened or if there is no version limit.") | |
801 | (filename) | |
802 | Lisp_Object filename; | |
803 | { | |
804 | Lisp_Object retval; | |
805 | struct FAB fab; | |
806 | struct RAB rab; | |
807 | struct XABFHC xabfhc; | |
808 | int status; | |
809 | ||
810 | filename = Fexpand_file_name (filename, Qnil); | |
811 | fab = cc$rms_fab; | |
812 | xabfhc = cc$rms_xabfhc; | |
813 | fab.fab$l_fna = XSTRING (filename)->data; | |
814 | fab.fab$b_fns = strlen (fab.fab$l_fna); | |
815 | fab.fab$l_xab = (char *) &xabfhc; | |
816 | status = sys$open (&fab, 0, 0); | |
817 | if (status != RMS$_NORMAL) /* Probably non-existent file */ | |
818 | return Qnil; | |
819 | sys$close (&fab, 0, 0); | |
820 | if (xabfhc.xab$w_verlimit == 32767) | |
821 | return Qnil; /* No version limit */ | |
822 | else | |
823 | return make_number (xabfhc.xab$w_verlimit); | |
824 | } | |
825 | ||
826 | #endif /* VMS */ | |
827 | \f | |
14d55bce RS |
828 | Lisp_Object |
829 | make_time (time) | |
e5124be7 | 830 | time_t time; |
14d55bce RS |
831 | { |
832 | return Fcons (make_number (time >> 16), | |
833 | Fcons (make_number (time & 0177777), Qnil)); | |
834 | } | |
835 | ||
836 | DEFUN ("file-attributes", Ffile_attributes, Sfile_attributes, 1, 1, 0, | |
837 | "Return a list of attributes of file FILENAME.\n\ | |
838 | Value is nil if specified file cannot be opened.\n\ | |
839 | Otherwise, list elements are:\n\ | |
840 | 0. t for directory, string (name linked to) for symbolic link, or nil.\n\ | |
841 | 1. Number of links to file.\n\ | |
842 | 2. File uid.\n\ | |
843 | 3. File gid.\n\ | |
844 | 4. Last access time, as a list of two integers.\n\ | |
845 | First integer has high-order 16 bits of time, second has low 16 bits.\n\ | |
846 | 5. Last modification time, likewise.\n\ | |
847 | 6. Last status change time, likewise.\n\ | |
cb1846b4 EZ |
848 | 7. Size in bytes.\n\ |
849 | This is a floating point number if the size is too large for an integer.\n\ | |
14d55bce RS |
850 | 8. File modes, as a string of ten letters or dashes as in ls -l.\n\ |
851 | 9. t iff file's gid would change if file were deleted and recreated.\n\ | |
cb1846b4 | 852 | 10. inode number. If inode number is larger than the Emacs integer,\n\ |
6d4e6528 RS |
853 | this is a cons cell containing two integers: first the high part,\n\ |
854 | then the low 16 bits.\n\ | |
61984904 EZ |
855 | 11. Device number. If it is larger than the Emacs integer, this is\n\ |
856 | a cons cell, similar to the inode number.\n\ | |
14d55bce | 857 | \n\ |
ccbcf979 | 858 | If file does not exist, returns nil.") |
14d55bce RS |
859 | (filename) |
860 | Lisp_Object filename; | |
861 | { | |
862 | Lisp_Object values[12]; | |
24c2a54f | 863 | Lisp_Object encoded; |
14d55bce | 864 | struct stat s; |
0a974c85 | 865 | #if defined (BSD4_2) || defined (BSD4_3) |
b3edfc9b | 866 | Lisp_Object dirname; |
14d55bce | 867 | struct stat sdir; |
b3edfc9b | 868 | #endif |
14d55bce | 869 | char modes[10]; |
32f4334d | 870 | Lisp_Object handler; |
14d55bce RS |
871 | |
872 | filename = Fexpand_file_name (filename, Qnil); | |
32f4334d RS |
873 | |
874 | /* If the file name has special constructs in it, | |
875 | call the corresponding file handler. */ | |
a617e913 | 876 | handler = Ffind_file_name_handler (filename, Qfile_attributes); |
32f4334d RS |
877 | if (!NILP (handler)) |
878 | return call2 (handler, Qfile_attributes, filename); | |
879 | ||
24c2a54f RS |
880 | encoded = ENCODE_FILE (filename); |
881 | ||
882 | if (lstat (XSTRING (encoded)->data, &s) < 0) | |
14d55bce RS |
883 | return Qnil; |
884 | ||
885 | switch (s.st_mode & S_IFMT) | |
886 | { | |
887 | default: | |
888 | values[0] = Qnil; break; | |
889 | case S_IFDIR: | |
890 | values[0] = Qt; break; | |
891 | #ifdef S_IFLNK | |
892 | case S_IFLNK: | |
893 | values[0] = Ffile_symlink_p (filename); break; | |
894 | #endif | |
895 | } | |
896 | values[1] = make_number (s.st_nlink); | |
897 | values[2] = make_number (s.st_uid); | |
898 | values[3] = make_number (s.st_gid); | |
899 | values[4] = make_time (s.st_atime); | |
900 | values[5] = make_time (s.st_mtime); | |
901 | values[6] = make_time (s.st_ctime); | |
68c45bf0 | 902 | values[7] = make_number (s.st_size); |
cb1846b4 | 903 | /* If the size is out of range for an integer, return a float. */ |
60fc6069 | 904 | if (XINT (values[7]) != s.st_size) |
cb1846b4 | 905 | values[7] = make_float ((double)s.st_size); |
14d55bce RS |
906 | filemodestring (&s, modes); |
907 | values[8] = make_string (modes, 10); | |
0a974c85 | 908 | #if defined (BSD4_2) || defined (BSD4_3) /* file gid will be dir gid */ |
14d55bce | 909 | dirname = Ffile_name_directory (filename); |
24c2a54f RS |
910 | if (! NILP (dirname)) |
911 | encoded = ENCODE_FILE (dirname); | |
912 | if (! NILP (dirname) && stat (XSTRING (encoded)->data, &sdir) == 0) | |
14d55bce RS |
913 | values[9] = (sdir.st_gid != s.st_gid) ? Qt : Qnil; |
914 | else /* if we can't tell, assume worst */ | |
915 | values[9] = Qt; | |
916 | #else /* file gid will be egid */ | |
917 | values[9] = (s.st_gid != getegid ()) ? Qt : Qnil; | |
918 | #endif /* BSD4_2 (or BSD4_3) */ | |
ce4200f6 | 919 | /* Cast -1 to avoid warning if int is not as wide as VALBITS. */ |
f8edfd76 | 920 | if (FIXNUM_OVERFLOW_P (s.st_ino)) |
4c637faa RS |
921 | /* To allow inode numbers larger than VALBITS, separate the bottom |
922 | 16 bits. */ | |
923 | values[10] = Fcons (make_number (s.st_ino >> 16), | |
924 | make_number (s.st_ino & 0xffff)); | |
925 | else | |
926 | /* But keep the most common cases as integers. */ | |
927 | values[10] = make_number (s.st_ino); | |
68c45bf0 PE |
928 | |
929 | /* Likewise for device. */ | |
f8edfd76 | 930 | if (FIXNUM_OVERFLOW_P (s.st_dev)) |
68c45bf0 PE |
931 | values[11] = Fcons (make_number (s.st_dev >> 16), |
932 | make_number (s.st_dev & 0xffff)); | |
933 | else | |
934 | values[11] = make_number (s.st_dev); | |
935 | ||
14d55bce RS |
936 | return Flist (sizeof(values) / sizeof(values[0]), values); |
937 | } | |
4424b255 GV |
938 | |
939 | DEFUN ("file-attributes-lessp", Ffile_attributes_lessp, Sfile_attributes_lessp, 2, 2, 0, | |
940 | "Return t if first arg file attributes list is less than second.\n\ | |
941 | Comparison is in lexicographic order and case is significant.") | |
942 | (f1, f2) | |
943 | Lisp_Object f1, f2; | |
944 | { | |
945 | return Fstring_lessp (Fcar (f1), Fcar (f2)); | |
946 | } | |
14d55bce | 947 | \f |
dfcf069d | 948 | void |
14d55bce RS |
949 | syms_of_dired () |
950 | { | |
32f4334d | 951 | Qdirectory_files = intern ("directory-files"); |
4424b255 | 952 | Qdirectory_files_and_attributes = intern ("directory-files-and-attributes"); |
32f4334d RS |
953 | Qfile_name_completion = intern ("file-name-completion"); |
954 | Qfile_name_all_completions = intern ("file-name-all-completions"); | |
434e6714 | 955 | Qfile_attributes = intern ("file-attributes"); |
4424b255 | 956 | Qfile_attributes_lessp = intern ("file-attributes-lessp"); |
32f4334d | 957 | |
a2d3836c | 958 | staticpro (&Qdirectory_files); |
4424b255 | 959 | staticpro (&Qdirectory_files_and_attributes); |
a2d3836c EN |
960 | staticpro (&Qfile_name_completion); |
961 | staticpro (&Qfile_name_all_completions); | |
962 | staticpro (&Qfile_attributes); | |
4424b255 | 963 | staticpro (&Qfile_attributes_lessp); |
a2d3836c | 964 | |
14d55bce | 965 | defsubr (&Sdirectory_files); |
4424b255 | 966 | defsubr (&Sdirectory_files_and_attributes); |
14d55bce RS |
967 | defsubr (&Sfile_name_completion); |
968 | #ifdef VMS | |
969 | defsubr (&Sfile_name_all_versions); | |
3ed991aa | 970 | defsubr (&Sfile_version_limit); |
14d55bce RS |
971 | #endif /* VMS */ |
972 | defsubr (&Sfile_name_all_completions); | |
973 | defsubr (&Sfile_attributes); | |
4424b255 | 974 | defsubr (&Sfile_attributes_lessp); |
14d55bce RS |
975 | |
976 | #ifdef VMS | |
977 | Qcompletion_ignore_case = intern ("completion-ignore-case"); | |
978 | staticpro (&Qcompletion_ignore_case); | |
979 | #endif /* VMS */ | |
980 | ||
981 | DEFVAR_LISP ("completion-ignored-extensions", &Vcompletion_ignored_extensions, | |
982 | "*Completion ignores filenames ending in any string in this list.\n\ | |
d013f29b EZ |
983 | Directories are ignored if they match any string in this list which\n\ |
984 | ends in a slash.\n\ | |
14d55bce RS |
985 | This variable does not affect lists of possible completions,\n\ |
986 | but does affect the commands that actually do completions."); | |
987 | Vcompletion_ignored_extensions = Qnil; | |
988 | } |