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14d55bce | 1 | /* Lisp functions for making directory listings. |
c6c5df7f | 2 | Copyright (C) 1985, 1986, 1993 Free Software Foundation, Inc. |
14d55bce RS |
3 | |
4 | This file is part of GNU Emacs. | |
5 | ||
6 | GNU Emacs is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 1, or (at your option) | |
9 | any later version. | |
10 | ||
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Emacs; see the file COPYING. If not, write to | |
18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
19 | ||
20 | ||
21 | #include <stdio.h> | |
22 | #include <sys/types.h> | |
23 | #include <sys/stat.h> | |
24 | ||
18160b98 | 25 | #include <config.h> |
14d55bce | 26 | |
3ed991aa RS |
27 | #ifdef VMS |
28 | #include <string.h> | |
29 | #include <rms.h> | |
30 | #include <rmsdef.h> | |
31 | #endif | |
32 | ||
d6717cdb JB |
33 | /* The d_nameln member of a struct dirent includes the '\0' character |
34 | on some systems, but not on others. What's worse, you can't tell | |
35 | at compile-time which one it will be, since it really depends on | |
36 | the sort of system providing the filesystem you're reading from, | |
37 | not the system you are running on. Paul Eggert | |
38 | <eggert@bi.twinsun.com> says this occurs when Emacs is running on a | |
39 | SunOS 4.1.2 host, reading a directory that is remote-mounted from a | |
40 | Solaris 2.1 host and is in a native Solaris 2.1 filesystem. | |
41 | ||
42 | Since applying strlen to the name always works, we'll just do that. */ | |
43 | #define NAMLEN(p) strlen (p->d_name) | |
44 | ||
14d55bce RS |
45 | #ifdef SYSV_SYSTEM_DIR |
46 | ||
47 | #include <dirent.h> | |
48 | #define DIRENTRY struct dirent | |
14d55bce RS |
49 | |
50 | #else | |
51 | ||
52 | #ifdef NONSYSTEM_DIR_LIBRARY | |
53 | #include "ndir.h" | |
54 | #else /* not NONSYSTEM_DIR_LIBRARY */ | |
55 | #include <sys/dir.h> | |
56 | #endif /* not NONSYSTEM_DIR_LIBRARY */ | |
57 | ||
58 | #define DIRENTRY struct direct | |
14d55bce RS |
59 | |
60 | extern DIR *opendir (); | |
61 | extern struct direct *readdir (); | |
62 | ||
63 | #endif | |
64 | ||
14d55bce RS |
65 | #include "lisp.h" |
66 | #include "buffer.h" | |
67 | #include "commands.h" | |
68 | ||
69 | #include "regex.h" | |
14d55bce | 70 | |
c7e466e1 RS |
71 | /* A search buffer, with a fastmap allocated and ready to go. */ |
72 | extern struct re_pattern_buffer searchbuf; | |
73 | ||
14d55bce RS |
74 | #define min(a, b) ((a) < (b) ? (a) : (b)) |
75 | ||
76 | /* if system does not have symbolic links, it does not have lstat. | |
77 | In that case, use ordinary stat instead. */ | |
78 | ||
79 | #ifndef S_IFLNK | |
80 | #define lstat stat | |
81 | #endif | |
82 | ||
97e98a56 | 83 | extern int completion_ignore_case; |
997bf68d | 84 | extern Lisp_Object Ffind_file_name_handler (); |
ccbcf979 | 85 | |
14d55bce RS |
86 | Lisp_Object Vcompletion_ignored_extensions; |
87 | ||
88 | Lisp_Object Qcompletion_ignore_case; | |
32f4334d RS |
89 | |
90 | Lisp_Object Qdirectory_files; | |
91 | Lisp_Object Qfile_name_completion; | |
92 | Lisp_Object Qfile_name_all_completions; | |
434e6714 | 93 | Lisp_Object Qfile_attributes; |
14d55bce RS |
94 | \f |
95 | DEFUN ("directory-files", Fdirectory_files, Sdirectory_files, 1, 4, 0, | |
96 | "Return a list of names of files in DIRECTORY.\n\ | |
97 | There are three optional arguments:\n\ | |
98 | If FULL is non-nil, absolute pathnames of the files are returned.\n\ | |
99 | If MATCH is non-nil, only pathnames containing that regexp are returned.\n\ | |
100 | If NOSORT is non-nil, the list is not sorted--its order is unpredictable.\n\ | |
101 | NOSORT is useful if you plan to sort the result yourself.") | |
102 | (dirname, full, match, nosort) | |
103 | Lisp_Object dirname, full, match, nosort; | |
104 | { | |
105 | DIR *d; | |
106 | int length; | |
6155fae1 | 107 | Lisp_Object list, name, dirfilename; |
32f4334d RS |
108 | Lisp_Object handler; |
109 | ||
110 | /* If the file name has special constructs in it, | |
111 | call the corresponding file handler. */ | |
997bf68d | 112 | handler = Ffind_file_name_handler (dirname); |
32f4334d RS |
113 | if (!NILP (handler)) |
114 | { | |
115 | Lisp_Object args[6]; | |
116 | ||
117 | args[0] = handler; | |
118 | args[1] = Qdirectory_files; | |
119 | args[2] = dirname; | |
120 | args[3] = full; | |
121 | args[4] = match; | |
122 | args[5] = nosort; | |
123 | return Ffuncall (6, args); | |
124 | } | |
14d55bce | 125 | |
6155fae1 JB |
126 | { |
127 | struct gcpro gcpro1, gcpro2; | |
128 | ||
129 | /* Because of file name handlers, these functions might call | |
130 | Ffuncall, and cause a GC. */ | |
131 | GCPRO1 (match); | |
132 | dirname = Fexpand_file_name (dirname, Qnil); | |
3254eb1e | 133 | UNGCPRO; |
6155fae1 JB |
134 | GCPRO2 (match, dirname); |
135 | dirfilename = Fdirectory_file_name (dirname); | |
136 | UNGCPRO; | |
137 | } | |
138 | ||
265a9e55 | 139 | if (!NILP (match)) |
14d55bce RS |
140 | { |
141 | CHECK_STRING (match, 3); | |
ebb9e16f JB |
142 | |
143 | /* MATCH might be a flawed regular expression. Rather than | |
144 | catching and signalling our own errors, we just call | |
145 | compile_pattern to do the work for us. */ | |
14d55bce | 146 | #ifdef VMS |
986ffb24 | 147 | compile_pattern (match, &searchbuf, 0, |
14d55bce RS |
148 | buffer_defaults.downcase_table->contents); |
149 | #else | |
ebb9e16f | 150 | compile_pattern (match, &searchbuf, 0, 0); |
14d55bce RS |
151 | #endif |
152 | } | |
153 | ||
6155fae1 JB |
154 | /* Now searchbuf is the compiled form of MATCH; don't call anything |
155 | which might compile a new regexp until we're done with the loop! */ | |
156 | ||
157 | /* Do this opendir after anything which might signal an error; if | |
158 | an error is signalled while the directory stream is open, we | |
159 | have to make sure it gets closed, and setting up an | |
160 | unwind_protect to do so would be a pain. */ | |
161 | d = opendir (XSTRING (dirfilename)->data); | |
162 | if (! d) | |
14d55bce RS |
163 | report_file_error ("Opening directory", Fcons (dirname, Qnil)); |
164 | ||
165 | list = Qnil; | |
166 | length = XSTRING (dirname)->size; | |
167 | ||
168 | /* Loop reading blocks */ | |
169 | while (1) | |
170 | { | |
171 | DIRENTRY *dp = readdir (d); | |
172 | int len; | |
173 | ||
174 | if (!dp) break; | |
175 | len = NAMLEN (dp); | |
176 | if (dp->d_ino) | |
177 | { | |
265a9e55 | 178 | if (NILP (match) |
14d55bce RS |
179 | || (0 <= re_search (&searchbuf, dp->d_name, len, 0, len, 0))) |
180 | { | |
265a9e55 | 181 | if (!NILP (full)) |
14d55bce RS |
182 | { |
183 | int index = XSTRING (dirname)->size; | |
184 | int total = len + index; | |
185 | #ifndef VMS | |
186 | if (length == 0 | |
187 | || XSTRING (dirname)->data[length - 1] != '/') | |
188 | total++; | |
189 | #endif /* VMS */ | |
190 | ||
191 | name = make_uninit_string (total); | |
192 | bcopy (XSTRING (dirname)->data, XSTRING (name)->data, | |
193 | index); | |
194 | #ifndef VMS | |
195 | if (length == 0 | |
196 | || XSTRING (dirname)->data[length - 1] != '/') | |
197 | XSTRING (name)->data[index++] = '/'; | |
198 | #endif /* VMS */ | |
199 | bcopy (dp->d_name, XSTRING (name)->data + index, len); | |
200 | } | |
201 | else | |
202 | name = make_string (dp->d_name, len); | |
203 | list = Fcons (name, list); | |
204 | } | |
205 | } | |
206 | } | |
207 | closedir (d); | |
265a9e55 | 208 | if (!NILP (nosort)) |
14d55bce RS |
209 | return list; |
210 | return Fsort (Fnreverse (list), Qstring_lessp); | |
211 | } | |
212 | \f | |
213 | Lisp_Object file_name_completion (); | |
214 | ||
215 | DEFUN ("file-name-completion", Ffile_name_completion, Sfile_name_completion, | |
216 | 2, 2, 0, | |
217 | "Complete file name FILE in directory DIR.\n\ | |
218 | Returns the longest string\n\ | |
219 | common to all filenames in DIR that start with FILE.\n\ | |
220 | If there is only one and FILE matches it exactly, returns t.\n\ | |
221 | Returns nil if DIR contains no name starting with FILE.") | |
222 | (file, dirname) | |
223 | Lisp_Object file, dirname; | |
224 | { | |
32f4334d | 225 | Lisp_Object handler; |
14d55bce RS |
226 | /* Don't waste time trying to complete a null string. |
227 | Besides, this case happens when user is being asked for | |
228 | a directory name and has supplied one ending in a /. | |
229 | We would not want to add anything in that case | |
230 | even if there are some unique characters in that directory. */ | |
231 | if (XTYPE (file) == Lisp_String && XSTRING (file)->size == 0) | |
232 | return file; | |
32f4334d RS |
233 | |
234 | /* If the file name has special constructs in it, | |
235 | call the corresponding file handler. */ | |
997bf68d | 236 | handler = Ffind_file_name_handler (dirname); |
32f4334d RS |
237 | if (!NILP (handler)) |
238 | return call3 (handler, Qfile_name_completion, file, dirname); | |
239 | ||
14d55bce RS |
240 | return file_name_completion (file, dirname, 0, 0); |
241 | } | |
242 | ||
243 | DEFUN ("file-name-all-completions", Ffile_name_all_completions, | |
244 | Sfile_name_all_completions, 2, 2, 0, | |
245 | "Return a list of all completions of file name FILE in directory DIR.\n\ | |
246 | These are all file names in directory DIR which begin with FILE.") | |
247 | (file, dirname) | |
248 | Lisp_Object file, dirname; | |
249 | { | |
32f4334d RS |
250 | Lisp_Object handler; |
251 | ||
252 | /* If the file name has special constructs in it, | |
253 | call the corresponding file handler. */ | |
997bf68d | 254 | handler = Ffind_file_name_handler (dirname); |
32f4334d RS |
255 | if (!NILP (handler)) |
256 | return call3 (handler, Qfile_name_all_completions, file, dirname); | |
257 | ||
14d55bce RS |
258 | return file_name_completion (file, dirname, 1, 0); |
259 | } | |
260 | ||
14d55bce RS |
261 | Lisp_Object |
262 | file_name_completion (file, dirname, all_flag, ver_flag) | |
263 | Lisp_Object file, dirname; | |
264 | int all_flag, ver_flag; | |
265 | { | |
266 | DIR *d; | |
267 | DIRENTRY *dp; | |
268 | int bestmatchsize, skip; | |
269 | register int compare, matchsize; | |
270 | unsigned char *p1, *p2; | |
271 | int matchcount = 0; | |
272 | Lisp_Object bestmatch, tem, elt, name; | |
273 | struct stat st; | |
274 | int directoryp; | |
275 | int passcount; | |
276 | int count = specpdl_ptr - specpdl; | |
277 | #ifdef VMS | |
278 | extern DIRENTRY * readdirver (); | |
279 | ||
280 | DIRENTRY *((* readfunc) ()); | |
281 | ||
282 | /* Filename completion on VMS ignores case, since VMS filesys does. */ | |
283 | specbind (Qcompletion_ignore_case, Qt); | |
284 | ||
285 | readfunc = readdir; | |
286 | if (ver_flag) | |
287 | readfunc = readdirver; | |
288 | file = Fupcase (file); | |
289 | #else /* not VMS */ | |
290 | CHECK_STRING (file, 0); | |
291 | #endif /* not VMS */ | |
292 | ||
293 | dirname = Fexpand_file_name (dirname, Qnil); | |
294 | bestmatch = Qnil; | |
295 | ||
296 | /* With passcount = 0, ignore files that end in an ignored extension. | |
297 | If nothing found then try again with passcount = 1, don't ignore them. | |
298 | If looking for all completions, start with passcount = 1, | |
299 | so always take even the ignored ones. | |
300 | ||
301 | ** It would not actually be helpful to the user to ignore any possible | |
302 | completions when making a list of them.** */ | |
303 | ||
265a9e55 | 304 | for (passcount = !!all_flag; NILP (bestmatch) && passcount < 2; passcount++) |
14d55bce RS |
305 | { |
306 | if (!(d = opendir (XSTRING (Fdirectory_file_name (dirname))->data))) | |
307 | report_file_error ("Opening directory", Fcons (dirname, Qnil)); | |
308 | ||
309 | /* Loop reading blocks */ | |
310 | /* (att3b compiler bug requires do a null comparison this way) */ | |
311 | while (1) | |
312 | { | |
313 | DIRENTRY *dp; | |
314 | int len; | |
315 | ||
316 | #ifdef VMS | |
317 | dp = (*readfunc) (d); | |
318 | #else | |
319 | dp = readdir (d); | |
320 | #endif | |
321 | if (!dp) break; | |
322 | ||
323 | len = NAMLEN (dp); | |
324 | ||
265a9e55 | 325 | if (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) |
14d55bce RS |
326 | goto quit; |
327 | if (!dp->d_ino | |
328 | || len < XSTRING (file)->size | |
329 | || 0 <= scmp (dp->d_name, XSTRING (file)->data, | |
330 | XSTRING (file)->size)) | |
331 | continue; | |
332 | ||
333 | if (file_name_completion_stat (dirname, dp, &st) < 0) | |
334 | continue; | |
335 | ||
336 | directoryp = ((st.st_mode & S_IFMT) == S_IFDIR); | |
337 | tem = Qnil; | |
338 | if (!directoryp) | |
339 | { | |
340 | /* Compare extensions-to-be-ignored against end of this file name */ | |
341 | /* if name is not an exact match against specified string */ | |
342 | if (!passcount && len > XSTRING (file)->size) | |
343 | /* and exit this for loop if a match is found */ | |
344 | for (tem = Vcompletion_ignored_extensions; | |
345 | CONSP (tem); tem = XCONS (tem)->cdr) | |
346 | { | |
347 | elt = XCONS (tem)->car; | |
348 | if (XTYPE (elt) != Lisp_String) continue; | |
349 | skip = len - XSTRING (elt)->size; | |
350 | if (skip < 0) continue; | |
351 | ||
352 | if (0 <= scmp (dp->d_name + skip, | |
353 | XSTRING (elt)->data, | |
354 | XSTRING (elt)->size)) | |
355 | continue; | |
356 | break; | |
357 | } | |
358 | } | |
359 | ||
360 | /* Unless an ignored-extensions match was found, | |
361 | process this name as a completion */ | |
362 | if (passcount || !CONSP (tem)) | |
363 | { | |
364 | /* Update computation of how much all possible completions match */ | |
365 | ||
366 | matchcount++; | |
367 | ||
265a9e55 | 368 | if (all_flag || NILP (bestmatch)) |
14d55bce RS |
369 | { |
370 | /* This is a possible completion */ | |
371 | if (directoryp) | |
372 | { | |
373 | /* This completion is a directory; make it end with '/' */ | |
374 | name = Ffile_name_as_directory (make_string (dp->d_name, len)); | |
375 | } | |
376 | else | |
377 | name = make_string (dp->d_name, len); | |
378 | if (all_flag) | |
379 | { | |
380 | bestmatch = Fcons (name, bestmatch); | |
381 | } | |
382 | else | |
383 | { | |
384 | bestmatch = name; | |
385 | bestmatchsize = XSTRING (name)->size; | |
386 | } | |
387 | } | |
388 | else | |
389 | { | |
390 | compare = min (bestmatchsize, len); | |
391 | p1 = XSTRING (bestmatch)->data; | |
392 | p2 = (unsigned char *) dp->d_name; | |
393 | matchsize = scmp(p1, p2, compare); | |
394 | if (matchsize < 0) | |
395 | matchsize = compare; | |
97e98a56 BF |
396 | if (completion_ignore_case) |
397 | { | |
398 | /* If this is an exact match except for case, | |
399 | use it as the best match rather than one that is not | |
400 | an exact match. This way, we get the case pattern | |
401 | of the actual match. */ | |
402 | if ((matchsize == len | |
403 | && matchsize + !!directoryp | |
404 | < XSTRING (bestmatch)->size) | |
405 | || | |
406 | /* If there is no exact match ignoring case, | |
407 | prefer a match that does not change the case | |
408 | of the input. */ | |
409 | (((matchsize == len) | |
410 | == | |
411 | (matchsize + !!directoryp | |
412 | == XSTRING (bestmatch)->size)) | |
413 | /* If there is more than one exact match aside from | |
414 | case, and one of them is exact including case, | |
415 | prefer that one. */ | |
416 | && !bcmp (p2, XSTRING (file)->data, XSTRING (file)->size) | |
417 | && bcmp (p1, XSTRING (file)->data, XSTRING (file)->size))) | |
418 | { | |
419 | bestmatch = make_string (dp->d_name, len); | |
420 | if (directoryp) | |
421 | bestmatch = Ffile_name_as_directory (bestmatch); | |
422 | } | |
423 | } | |
424 | ||
425 | /* If this dirname all matches, see if implicit following | |
426 | slash does too. */ | |
14d55bce RS |
427 | if (directoryp |
428 | && compare == matchsize | |
429 | && bestmatchsize > matchsize | |
430 | && p1[matchsize] == '/') | |
431 | matchsize++; | |
97e98a56 | 432 | bestmatchsize = matchsize; |
14d55bce RS |
433 | } |
434 | } | |
435 | } | |
436 | closedir (d); | |
437 | } | |
438 | ||
439 | unbind_to (count, Qnil); | |
440 | ||
265a9e55 | 441 | if (all_flag || NILP (bestmatch)) |
14d55bce RS |
442 | return bestmatch; |
443 | if (matchcount == 1 && bestmatchsize == XSTRING (file)->size) | |
444 | return Qt; | |
445 | return Fsubstring (bestmatch, make_number (0), make_number (bestmatchsize)); | |
446 | quit: | |
447 | if (d) closedir (d); | |
448 | Vquit_flag = Qnil; | |
449 | return Fsignal (Qquit, Qnil); | |
450 | } | |
451 | ||
452 | file_name_completion_stat (dirname, dp, st_addr) | |
453 | Lisp_Object dirname; | |
454 | DIRENTRY *dp; | |
455 | struct stat *st_addr; | |
456 | { | |
457 | int len = NAMLEN (dp); | |
458 | int pos = XSTRING (dirname)->size; | |
459 | char *fullname = (char *) alloca (len + pos + 2); | |
460 | ||
461 | bcopy (XSTRING (dirname)->data, fullname, pos); | |
462 | #ifndef VMS | |
463 | if (fullname[pos - 1] != '/') | |
464 | fullname[pos++] = '/'; | |
465 | #endif | |
466 | ||
467 | bcopy (dp->d_name, fullname + pos, len); | |
468 | fullname[pos + len] = 0; | |
469 | ||
470 | return stat (fullname, st_addr); | |
471 | } | |
472 | \f | |
3ed991aa RS |
473 | #ifdef VMS |
474 | ||
475 | DEFUN ("file-name-all-versions", Ffile_name_all_versions, | |
476 | Sfile_name_all_versions, 2, 2, 0, | |
477 | "Return a list of all versions of file name FILE in directory DIR.") | |
478 | (file, dirname) | |
479 | Lisp_Object file, dirname; | |
480 | { | |
481 | return file_name_completion (file, dirname, 1, 1); | |
482 | } | |
483 | ||
484 | DEFUN ("file-version-limit", Ffile_version_limit, Sfile_version_limit, 1, 1, 0, | |
485 | "Return the maximum number of versions allowed for FILE.\n\ | |
486 | Returns nil if the file cannot be opened or if there is no version limit.") | |
487 | (filename) | |
488 | Lisp_Object filename; | |
489 | { | |
490 | Lisp_Object retval; | |
491 | struct FAB fab; | |
492 | struct RAB rab; | |
493 | struct XABFHC xabfhc; | |
494 | int status; | |
495 | ||
496 | filename = Fexpand_file_name (filename, Qnil); | |
497 | fab = cc$rms_fab; | |
498 | xabfhc = cc$rms_xabfhc; | |
499 | fab.fab$l_fna = XSTRING (filename)->data; | |
500 | fab.fab$b_fns = strlen (fab.fab$l_fna); | |
501 | fab.fab$l_xab = (char *) &xabfhc; | |
502 | status = sys$open (&fab, 0, 0); | |
503 | if (status != RMS$_NORMAL) /* Probably non-existent file */ | |
504 | return Qnil; | |
505 | sys$close (&fab, 0, 0); | |
506 | if (xabfhc.xab$w_verlimit == 32767) | |
507 | return Qnil; /* No version limit */ | |
508 | else | |
509 | return make_number (xabfhc.xab$w_verlimit); | |
510 | } | |
511 | ||
512 | #endif /* VMS */ | |
513 | \f | |
14d55bce RS |
514 | Lisp_Object |
515 | make_time (time) | |
516 | int time; | |
517 | { | |
518 | return Fcons (make_number (time >> 16), | |
519 | Fcons (make_number (time & 0177777), Qnil)); | |
520 | } | |
521 | ||
522 | DEFUN ("file-attributes", Ffile_attributes, Sfile_attributes, 1, 1, 0, | |
523 | "Return a list of attributes of file FILENAME.\n\ | |
524 | Value is nil if specified file cannot be opened.\n\ | |
525 | Otherwise, list elements are:\n\ | |
526 | 0. t for directory, string (name linked to) for symbolic link, or nil.\n\ | |
527 | 1. Number of links to file.\n\ | |
528 | 2. File uid.\n\ | |
529 | 3. File gid.\n\ | |
530 | 4. Last access time, as a list of two integers.\n\ | |
531 | First integer has high-order 16 bits of time, second has low 16 bits.\n\ | |
532 | 5. Last modification time, likewise.\n\ | |
533 | 6. Last status change time, likewise.\n\ | |
60fc6069 | 534 | 7. Size in bytes (-1, if number is out of range).\n\ |
14d55bce RS |
535 | 8. File modes, as a string of ten letters or dashes as in ls -l.\n\ |
536 | 9. t iff file's gid would change if file were deleted and recreated.\n\ | |
537 | 10. inode number.\n\ | |
538 | 11. Device number.\n\ | |
539 | \n\ | |
ccbcf979 | 540 | If file does not exist, returns nil.") |
14d55bce RS |
541 | (filename) |
542 | Lisp_Object filename; | |
543 | { | |
544 | Lisp_Object values[12]; | |
545 | Lisp_Object dirname; | |
546 | struct stat s; | |
547 | struct stat sdir; | |
548 | char modes[10]; | |
32f4334d | 549 | Lisp_Object handler; |
14d55bce RS |
550 | |
551 | filename = Fexpand_file_name (filename, Qnil); | |
32f4334d RS |
552 | |
553 | /* If the file name has special constructs in it, | |
554 | call the corresponding file handler. */ | |
997bf68d | 555 | handler = Ffind_file_name_handler (filename); |
32f4334d RS |
556 | if (!NILP (handler)) |
557 | return call2 (handler, Qfile_attributes, filename); | |
558 | ||
14d55bce RS |
559 | if (lstat (XSTRING (filename)->data, &s) < 0) |
560 | return Qnil; | |
561 | ||
562 | switch (s.st_mode & S_IFMT) | |
563 | { | |
564 | default: | |
565 | values[0] = Qnil; break; | |
566 | case S_IFDIR: | |
567 | values[0] = Qt; break; | |
568 | #ifdef S_IFLNK | |
569 | case S_IFLNK: | |
570 | values[0] = Ffile_symlink_p (filename); break; | |
571 | #endif | |
572 | } | |
573 | values[1] = make_number (s.st_nlink); | |
574 | values[2] = make_number (s.st_uid); | |
575 | values[3] = make_number (s.st_gid); | |
576 | values[4] = make_time (s.st_atime); | |
577 | values[5] = make_time (s.st_mtime); | |
578 | values[6] = make_time (s.st_ctime); | |
14d55bce | 579 | values[7] = make_number (s.st_size); |
60fc6069 RS |
580 | /* If the size is out of range, give back -1. */ |
581 | if (XINT (values[7]) != s.st_size) | |
582 | XSETINT (values[7], -1); | |
14d55bce RS |
583 | filemodestring (&s, modes); |
584 | values[8] = make_string (modes, 10); | |
585 | #ifdef BSD4_3 /* Gross kludge to avoid lack of "#if defined(...)" in VMS */ | |
eb8c3be9 | 586 | #define BSD4_2 /* A new meaning to the term `backwards compatibility' */ |
14d55bce RS |
587 | #endif |
588 | #ifdef BSD4_2 /* file gid will be dir gid */ | |
589 | dirname = Ffile_name_directory (filename); | |
ccbcf979 | 590 | if (! NILP (dirname) && stat (XSTRING (dirname)->data, &sdir) == 0) |
14d55bce RS |
591 | values[9] = (sdir.st_gid != s.st_gid) ? Qt : Qnil; |
592 | else /* if we can't tell, assume worst */ | |
593 | values[9] = Qt; | |
594 | #else /* file gid will be egid */ | |
595 | values[9] = (s.st_gid != getegid ()) ? Qt : Qnil; | |
596 | #endif /* BSD4_2 (or BSD4_3) */ | |
597 | #ifdef BSD4_3 | |
598 | #undef BSD4_2 /* ok, you can look again without throwing up */ | |
599 | #endif | |
600 | values[10] = make_number (s.st_ino); | |
601 | values[11] = make_number (s.st_dev); | |
602 | return Flist (sizeof(values) / sizeof(values[0]), values); | |
603 | } | |
604 | \f | |
605 | syms_of_dired () | |
606 | { | |
32f4334d RS |
607 | Qdirectory_files = intern ("directory-files"); |
608 | Qfile_name_completion = intern ("file-name-completion"); | |
609 | Qfile_name_all_completions = intern ("file-name-all-completions"); | |
434e6714 | 610 | Qfile_attributes = intern ("file-attributes"); |
32f4334d | 611 | |
14d55bce RS |
612 | defsubr (&Sdirectory_files); |
613 | defsubr (&Sfile_name_completion); | |
614 | #ifdef VMS | |
615 | defsubr (&Sfile_name_all_versions); | |
3ed991aa | 616 | defsubr (&Sfile_version_limit); |
14d55bce RS |
617 | #endif /* VMS */ |
618 | defsubr (&Sfile_name_all_completions); | |
619 | defsubr (&Sfile_attributes); | |
620 | ||
621 | #ifdef VMS | |
622 | Qcompletion_ignore_case = intern ("completion-ignore-case"); | |
623 | staticpro (&Qcompletion_ignore_case); | |
624 | #endif /* VMS */ | |
625 | ||
626 | DEFVAR_LISP ("completion-ignored-extensions", &Vcompletion_ignored_extensions, | |
627 | "*Completion ignores filenames ending in any string in this list.\n\ | |
628 | This variable does not affect lists of possible completions,\n\ | |
629 | but does affect the commands that actually do completions."); | |
630 | Vcompletion_ignored_extensions = Qnil; | |
631 | } |