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 | ||
0e6195ed LH |
29 | #ifdef VMS |
30 | #include "vms-pwd.h" | |
31 | #else | |
32 | #include <pwd.h> | |
33 | #include <grp.h> | |
34 | #endif | |
35 | ||
68c45bf0 | 36 | #include "systime.h" |
7cc9f69f | 37 | #include <errno.h> |
68c45bf0 | 38 | |
3ed991aa RS |
39 | #ifdef VMS |
40 | #include <string.h> | |
41 | #include <rms.h> | |
42 | #include <rmsdef.h> | |
43 | #endif | |
44 | ||
dfcf069d AS |
45 | #ifdef HAVE_UNISTD_H |
46 | #include <unistd.h> | |
47 | #endif | |
48 | ||
d6717cdb JB |
49 | /* The d_nameln member of a struct dirent includes the '\0' character |
50 | on some systems, but not on others. What's worse, you can't tell | |
51 | at compile-time which one it will be, since it really depends on | |
52 | the sort of system providing the filesystem you're reading from, | |
53 | not the system you are running on. Paul Eggert | |
54 | <eggert@bi.twinsun.com> says this occurs when Emacs is running on a | |
55 | SunOS 4.1.2 host, reading a directory that is remote-mounted from a | |
56 | Solaris 2.1 host and is in a native Solaris 2.1 filesystem. | |
57 | ||
58 | Since applying strlen to the name always works, we'll just do that. */ | |
59 | #define NAMLEN(p) strlen (p->d_name) | |
60 | ||
14d55bce RS |
61 | #ifdef SYSV_SYSTEM_DIR |
62 | ||
63 | #include <dirent.h> | |
64 | #define DIRENTRY struct dirent | |
14d55bce | 65 | |
128ecc89 | 66 | #else /* not SYSV_SYSTEM_DIR */ |
14d55bce RS |
67 | |
68 | #ifdef NONSYSTEM_DIR_LIBRARY | |
69 | #include "ndir.h" | |
70 | #else /* not NONSYSTEM_DIR_LIBRARY */ | |
128ecc89 RS |
71 | #ifdef MSDOS |
72 | #include <dirent.h> | |
73 | #else | |
14d55bce | 74 | #include <sys/dir.h> |
128ecc89 | 75 | #endif |
14d55bce RS |
76 | #endif /* not NONSYSTEM_DIR_LIBRARY */ |
77 | ||
851cab13 DL |
78 | #include <sys/stat.h> |
79 | ||
128ecc89 | 80 | #ifndef MSDOS |
14d55bce | 81 | #define DIRENTRY struct direct |
14d55bce RS |
82 | |
83 | extern DIR *opendir (); | |
84 | extern struct direct *readdir (); | |
85 | ||
128ecc89 RS |
86 | #endif /* not MSDOS */ |
87 | #endif /* not SYSV_SYSTEM_DIR */ | |
88 | ||
89 | #ifdef MSDOS | |
90 | #define DIRENTRY_NONEMPTY(p) ((p)->d_name[0] != 0) | |
91 | #else | |
92 | #define DIRENTRY_NONEMPTY(p) ((p)->d_ino) | |
14d55bce RS |
93 | #endif |
94 | ||
14d55bce RS |
95 | #include "lisp.h" |
96 | #include "buffer.h" | |
97 | #include "commands.h" | |
bd33479f KH |
98 | #include "charset.h" |
99 | #include "coding.h" | |
14d55bce | 100 | #include "regex.h" |
14d55bce | 101 | |
e50c66d3 KH |
102 | /* Returns a search buffer, with a fastmap allocated and ready to go. */ |
103 | extern struct re_pattern_buffer *compile_pattern (); | |
c7e466e1 | 104 | |
851cab13 DL |
105 | /* From filemode.c. Can't go in Lisp.h because of `stat'. */ |
106 | extern void filemodestring P_ ((struct stat *, char *)); | |
107 | ||
14d55bce RS |
108 | /* if system does not have symbolic links, it does not have lstat. |
109 | In that case, use ordinary stat instead. */ | |
110 | ||
111 | #ifndef S_IFLNK | |
112 | #define lstat stat | |
113 | #endif | |
114 | ||
97e98a56 | 115 | extern int completion_ignore_case; |
f676868d | 116 | extern Lisp_Object Vcompletion_regexp_list; |
bd33479f | 117 | extern Lisp_Object Vfile_name_coding_system, Vdefault_file_name_coding_system; |
ccbcf979 | 118 | |
14d55bce | 119 | Lisp_Object Vcompletion_ignored_extensions; |
14d55bce | 120 | Lisp_Object Qcompletion_ignore_case; |
32f4334d | 121 | Lisp_Object Qdirectory_files; |
4424b255 | 122 | Lisp_Object Qdirectory_files_and_attributes; |
32f4334d RS |
123 | Lisp_Object Qfile_name_completion; |
124 | Lisp_Object Qfile_name_all_completions; | |
434e6714 | 125 | Lisp_Object Qfile_attributes; |
4424b255 | 126 | Lisp_Object Qfile_attributes_lessp; |
b3f04ced RS |
127 | |
128 | static int scmp P_ ((unsigned char *, unsigned char *, int)); | |
14d55bce | 129 | \f |
2488aba5 AI |
130 | |
131 | Lisp_Object | |
132 | directory_files_internal_unwind (dh) | |
133 | Lisp_Object dh; | |
134 | { | |
135 | DIR *d = (DIR *) ((XINT (XCAR (dh)) << 16) + XINT (XCDR (dh))); | |
136 | closedir (d); | |
137 | return Qnil; | |
138 | } | |
139 | ||
177c0ea7 | 140 | /* Function shared by Fdirectory_files and Fdirectory_files_and_attributes. |
4424b255 | 141 | When ATTRS is zero, return a list of directory filenames; when |
0e6195ed LH |
142 | non-zero, return a list of directory filenames and their attributes. |
143 | In the latter case, ID_FORMAT is passed to Ffile_attributes. */ | |
f69f9da1 | 144 | |
4424b255 | 145 | Lisp_Object |
0e6195ed | 146 | directory_files_internal (directory, full, match, nosort, attrs, id_format) |
23bd240f | 147 | Lisp_Object directory, full, match, nosort; |
4424b255 | 148 | int attrs; |
0e6195ed | 149 | Lisp_Object id_format; |
14d55bce RS |
150 | { |
151 | DIR *d; | |
388ac098 GM |
152 | int directory_nbytes; |
153 | Lisp_Object list, dirfilename, encoded_directory; | |
6bbd7a29 | 154 | struct re_pattern_buffer *bufp = NULL; |
96d64004 | 155 | int needsep = 0; |
aed13378 | 156 | int count = SPECPDL_INDEX (); |
388ac098 | 157 | struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5; |
8e42f043 GM |
158 | DIRENTRY *dp; |
159 | int retry_p; | |
32f4334d | 160 | |
96d64004 | 161 | /* Because of file name handlers, these functions might call |
6155fae1 | 162 | Ffuncall, and cause a GC. */ |
388ac098 GM |
163 | list = encoded_directory = dirfilename = Qnil; |
164 | GCPRO5 (match, directory, list, dirfilename, encoded_directory); | |
96d64004 | 165 | dirfilename = Fdirectory_file_name (directory); |
6155fae1 | 166 | |
265a9e55 | 167 | if (!NILP (match)) |
14d55bce | 168 | { |
b7826503 | 169 | CHECK_STRING (match); |
ebb9e16f JB |
170 | |
171 | /* MATCH might be a flawed regular expression. Rather than | |
8e6208c5 | 172 | catching and signaling our own errors, we just call |
ebb9e16f | 173 | compile_pattern to do the work for us. */ |
c872c6b2 RS |
174 | /* Pass 1 for the MULTIBYTE arg |
175 | because we do make multibyte strings if the contents warrant. */ | |
14d55bce | 176 | #ifdef VMS |
e50c66d3 | 177 | bufp = compile_pattern (match, 0, |
3e937712 | 178 | buffer_defaults.downcase_table, 0, 1); |
14d55bce | 179 | #else |
3e937712 | 180 | bufp = compile_pattern (match, 0, Qnil, 0, 1); |
14d55bce RS |
181 | #endif |
182 | } | |
183 | ||
b3edfc9b | 184 | /* Note: ENCODE_FILE and DECODE_FILE can GC because they can run |
388ac098 GM |
185 | run_pre_post_conversion_on_str which calls Lisp directly and |
186 | indirectly. */ | |
24c2a54f | 187 | dirfilename = ENCODE_FILE (dirfilename); |
24c2a54f RS |
188 | encoded_directory = ENCODE_FILE (directory); |
189 | ||
e50c66d3 | 190 | /* Now *bufp is the compiled form of MATCH; don't call anything |
6155fae1 JB |
191 | which might compile a new regexp until we're done with the loop! */ |
192 | ||
193 | /* Do this opendir after anything which might signal an error; if | |
8e6208c5 | 194 | an error is signaled while the directory stream is open, we |
6155fae1 JB |
195 | have to make sure it gets closed, and setting up an |
196 | unwind_protect to do so would be a pain. */ | |
8e42f043 | 197 | retry: |
177c0ea7 | 198 | |
d5db4077 | 199 | d = opendir (SDATA (dirfilename)); |
388ac098 | 200 | if (d == NULL) |
23bd240f | 201 | report_file_error ("Opening directory", Fcons (directory, Qnil)); |
14d55bce | 202 | |
2488aba5 AI |
203 | /* Unfortunately, we can now invoke expand-file-name and |
204 | file-attributes on filenames, both of which can throw, so we must | |
205 | do a proper unwind-protect. */ | |
206 | record_unwind_protect (directory_files_internal_unwind, | |
207 | Fcons (make_number (((unsigned long) d) >> 16), | |
208 | make_number (((unsigned long) d) & 0xffff))); | |
209 | ||
d5db4077 | 210 | directory_nbytes = SBYTES (directory); |
c81a9bdc | 211 | re_match_object = Qt; |
14d55bce | 212 | |
96d64004 AS |
213 | /* Decide whether we need to add a directory separator. */ |
214 | #ifndef VMS | |
388ac098 | 215 | if (directory_nbytes == 0 |
d5db4077 | 216 | || !IS_ANY_SEP (SREF (directory, directory_nbytes - 1))) |
96d64004 | 217 | needsep = 1; |
e540cbed | 218 | #endif /* not VMS */ |
96d64004 | 219 | |
8e42f043 | 220 | /* Loop reading blocks until EOF or error. */ |
f69f9da1 | 221 | for (;;) |
14d55bce | 222 | { |
f69f9da1 GM |
223 | errno = 0; |
224 | dp = readdir (d); | |
225 | ||
226 | #ifdef EAGAIN | |
227 | if (dp == NULL && errno == EAGAIN) | |
228 | continue; | |
229 | #endif | |
177c0ea7 | 230 | |
f69f9da1 GM |
231 | if (dp == NULL) |
232 | break; | |
233 | ||
128ecc89 | 234 | if (DIRENTRY_NONEMPTY (dp)) |
14d55bce | 235 | { |
e23f810c | 236 | int len; |
2488aba5 | 237 | int wanted = 0; |
388ac098 GM |
238 | Lisp_Object name, finalname; |
239 | struct gcpro gcpro1, gcpro2; | |
e23f810c KH |
240 | |
241 | len = NAMLEN (dp); | |
9ad4f3e5 | 242 | name = finalname = make_unibyte_string (dp->d_name, len); |
388ac098 | 243 | GCPRO2 (finalname, name); |
177c0ea7 | 244 | |
388ac098 GM |
245 | /* Note: ENCODE_FILE can GC; it should protect its argument, |
246 | though. */ | |
247 | name = DECODE_FILE (name); | |
d5db4077 | 248 | len = SBYTES (name); |
e23f810c | 249 | |
2488aba5 AI |
250 | /* Now that we have unwind_protect in place, we might as well |
251 | allow matching to be interrupted. */ | |
252 | immediate_quit = 1; | |
253 | QUIT; | |
254 | ||
265a9e55 | 255 | if (NILP (match) |
d5db4077 | 256 | || (0 <= re_search (bufp, SDATA (name), len, 0, len, 0))) |
388ac098 | 257 | wanted = 1; |
2488aba5 AI |
258 | |
259 | immediate_quit = 0; | |
260 | ||
261 | if (wanted) | |
14d55bce | 262 | { |
265a9e55 | 263 | if (!NILP (full)) |
14d55bce | 264 | { |
e23f810c | 265 | Lisp_Object fullname; |
388ac098 GM |
266 | int nbytes = len + directory_nbytes + needsep; |
267 | int nchars; | |
5617588f | 268 | |
388ac098 | 269 | fullname = make_uninit_multibyte_string (nbytes, nbytes); |
d5db4077 | 270 | bcopy (SDATA (directory), SDATA (fullname), |
388ac098 | 271 | directory_nbytes); |
177c0ea7 | 272 | |
5617588f | 273 | if (needsep) |
d549c5db | 274 | SSET (fullname, directory_nbytes, DIRECTORY_SEP); |
177c0ea7 | 275 | |
d5db4077 KR |
276 | bcopy (SDATA (name), |
277 | SDATA (fullname) + directory_nbytes + needsep, | |
388ac098 | 278 | len); |
177c0ea7 | 279 | |
d5db4077 | 280 | nchars = chars_in_text (SDATA (fullname), nbytes); |
388ac098 GM |
281 | |
282 | /* Some bug somewhere. */ | |
283 | if (nchars > nbytes) | |
284 | abort (); | |
177c0ea7 | 285 | |
437fcd47 | 286 | STRING_SET_CHARS (fullname, nchars); |
388ac098 | 287 | if (nchars == nbytes) |
d5db4077 | 288 | STRING_SET_UNIBYTE (fullname); |
177c0ea7 | 289 | |
4424b255 GV |
290 | finalname = fullname; |
291 | } | |
aab9c564 KH |
292 | else |
293 | finalname = name; | |
4424b255 GV |
294 | |
295 | if (attrs) | |
296 | { | |
297 | /* Construct an expanded filename for the directory entry. | |
298 | Use the decoded names for input to Ffile_attributes. */ | |
388ac098 GM |
299 | Lisp_Object decoded_fullname, fileattrs; |
300 | struct gcpro gcpro1, gcpro2; | |
301 | ||
302 | decoded_fullname = fileattrs = Qnil; | |
303 | GCPRO2 (decoded_fullname, fileattrs); | |
4424b255 | 304 | |
388ac098 | 305 | /* Both Fexpand_file_name and Ffile_attributes can GC. */ |
4424b255 | 306 | decoded_fullname = Fexpand_file_name (name, directory); |
0e6195ed | 307 | fileattrs = Ffile_attributes (decoded_fullname, id_format); |
4424b255 GV |
308 | |
309 | list = Fcons (Fcons (finalname, fileattrs), list); | |
388ac098 | 310 | UNGCPRO; |
4424b255 GV |
311 | } |
312 | else | |
388ac098 | 313 | list = Fcons (finalname, list); |
14d55bce | 314 | } |
388ac098 GM |
315 | |
316 | UNGCPRO; | |
14d55bce RS |
317 | } |
318 | } | |
2488aba5 | 319 | |
8e42f043 | 320 | retry_p = 0; |
8e42f043 GM |
321 | #ifdef EINTR |
322 | retry_p |= errno == EINTR; | |
323 | #endif | |
324 | ||
14d55bce | 325 | closedir (d); |
2488aba5 AI |
326 | |
327 | /* Discard the unwind protect. */ | |
328 | specpdl_ptr = specpdl + count; | |
329 | ||
8e42f043 | 330 | if (retry_p) |
76846b31 GM |
331 | { |
332 | list = Qnil; | |
333 | goto retry; | |
334 | } | |
8e42f043 | 335 | |
388ac098 GM |
336 | if (NILP (nosort)) |
337 | list = Fsort (Fnreverse (list), | |
338 | attrs ? Qfile_attributes_lessp : Qstring_lessp); | |
177c0ea7 | 339 | |
388ac098 | 340 | RETURN_UNGCPRO (list); |
14d55bce | 341 | } |
4424b255 GV |
342 | |
343 | ||
344 | DEFUN ("directory-files", Fdirectory_files, Sdirectory_files, 1, 4, 0, | |
335c5470 PJ |
345 | doc: /* Return a list of names of files in DIRECTORY. |
346 | There are three optional arguments: | |
347 | If FULL is non-nil, return absolute file names. Otherwise return names | |
348 | that are relative to the specified directory. | |
349 | If MATCH is non-nil, mention only file names that match the regexp MATCH. | |
350 | If NOSORT is non-nil, the list is not sorted--its order is unpredictable. | |
351 | NOSORT is useful if you plan to sort the result yourself. */) | |
352 | (directory, full, match, nosort) | |
4424b255 GV |
353 | Lisp_Object directory, full, match, nosort; |
354 | { | |
355 | Lisp_Object handler; | |
4ece81a6 | 356 | directory = Fexpand_file_name (directory, Qnil); |
4424b255 GV |
357 | |
358 | /* If the file name has special constructs in it, | |
359 | call the corresponding file handler. */ | |
360 | handler = Ffind_file_name_handler (directory, Qdirectory_files); | |
361 | if (!NILP (handler)) | |
362 | { | |
363 | Lisp_Object args[6]; | |
364 | ||
365 | args[0] = handler; | |
366 | args[1] = Qdirectory_files; | |
367 | args[2] = directory; | |
368 | args[3] = full; | |
369 | args[4] = match; | |
370 | args[5] = nosort; | |
371 | return Ffuncall (6, args); | |
372 | } | |
373 | ||
0e6195ed | 374 | return directory_files_internal (directory, full, match, nosort, 0, Qnil); |
4424b255 GV |
375 | } |
376 | ||
335c5470 | 377 | DEFUN ("directory-files-and-attributes", Fdirectory_files_and_attributes, |
0e6195ed | 378 | Sdirectory_files_and_attributes, 1, 5, 0, |
335c5470 | 379 | doc: /* Return a list of names of files and their attributes in DIRECTORY. |
0e6195ed | 380 | There are four optional arguments: |
335c5470 PJ |
381 | If FULL is non-nil, return absolute file names. Otherwise return names |
382 | that are relative to the specified directory. | |
383 | If MATCH is non-nil, mention only file names that match the regexp MATCH. | |
384 | If NOSORT is non-nil, the list is not sorted--its order is unpredictable. | |
0e6195ed LH |
385 | NOSORT is useful if you plan to sort the result yourself. |
386 | ID-FORMAT specifies the preferred format of attributes uid and gid, see | |
387 | `file-attributes' for further documentation. */) | |
388 | (directory, full, match, nosort, id_format) | |
389 | Lisp_Object directory, full, match, nosort, id_format; | |
4424b255 GV |
390 | { |
391 | Lisp_Object handler; | |
4ece81a6 | 392 | directory = Fexpand_file_name (directory, Qnil); |
4424b255 GV |
393 | |
394 | /* If the file name has special constructs in it, | |
395 | call the corresponding file handler. */ | |
396 | handler = Ffind_file_name_handler (directory, Qdirectory_files_and_attributes); | |
397 | if (!NILP (handler)) | |
398 | { | |
0e6195ed | 399 | Lisp_Object args[7]; |
4424b255 GV |
400 | |
401 | args[0] = handler; | |
402 | args[1] = Qdirectory_files_and_attributes; | |
403 | args[2] = directory; | |
404 | args[3] = full; | |
405 | args[4] = match; | |
406 | args[5] = nosort; | |
0e6195ed LH |
407 | args[6] = id_format; |
408 | return Ffuncall (7, args); | |
4424b255 GV |
409 | } |
410 | ||
0e6195ed | 411 | return directory_files_internal (directory, full, match, nosort, 1, id_format); |
4424b255 GV |
412 | } |
413 | ||
14d55bce RS |
414 | \f |
415 | Lisp_Object file_name_completion (); | |
416 | ||
417 | DEFUN ("file-name-completion", Ffile_name_completion, Sfile_name_completion, | |
335c5470 PJ |
418 | 2, 2, 0, |
419 | doc: /* Complete file name FILE in directory DIRECTORY. | |
420 | Returns the longest string | |
421 | common to all file names in DIRECTORY that start with FILE. | |
422 | If there is only one and FILE matches it exactly, returns t. | |
423 | Returns nil if DIR contains no name starting with FILE. | |
424 | ||
425 | This function ignores some of the possible completions as | |
426 | determined by the variable `completion-ignored-extensions', which see. */) | |
427 | (file, directory) | |
23bd240f | 428 | Lisp_Object file, directory; |
14d55bce | 429 | { |
32f4334d | 430 | Lisp_Object handler; |
32f4334d | 431 | |
8436e231 | 432 | /* If the directory name has special constructs in it, |
32f4334d | 433 | call the corresponding file handler. */ |
23bd240f | 434 | handler = Ffind_file_name_handler (directory, Qfile_name_completion); |
32f4334d | 435 | if (!NILP (handler)) |
23bd240f | 436 | return call3 (handler, Qfile_name_completion, file, directory); |
32f4334d | 437 | |
8436e231 RS |
438 | /* If the file name has special constructs in it, |
439 | call the corresponding file handler. */ | |
440 | handler = Ffind_file_name_handler (file, Qfile_name_completion); | |
441 | if (!NILP (handler)) | |
23bd240f | 442 | return call3 (handler, Qfile_name_completion, file, directory); |
8436e231 | 443 | |
23bd240f | 444 | return file_name_completion (file, directory, 0, 0); |
14d55bce RS |
445 | } |
446 | ||
447 | DEFUN ("file-name-all-completions", Ffile_name_all_completions, | |
335c5470 PJ |
448 | Sfile_name_all_completions, 2, 2, 0, |
449 | doc: /* Return a list of all completions of file name FILE in directory DIRECTORY. | |
450 | These are all file names in directory DIRECTORY which begin with FILE. */) | |
451 | (file, directory) | |
23bd240f | 452 | Lisp_Object file, directory; |
14d55bce | 453 | { |
32f4334d RS |
454 | Lisp_Object handler; |
455 | ||
8436e231 | 456 | /* If the directory name has special constructs in it, |
32f4334d | 457 | call the corresponding file handler. */ |
23bd240f | 458 | handler = Ffind_file_name_handler (directory, Qfile_name_all_completions); |
32f4334d | 459 | if (!NILP (handler)) |
23bd240f | 460 | return call3 (handler, Qfile_name_all_completions, file, directory); |
32f4334d | 461 | |
8436e231 RS |
462 | /* If the file name has special constructs in it, |
463 | call the corresponding file handler. */ | |
464 | handler = Ffind_file_name_handler (file, Qfile_name_all_completions); | |
465 | if (!NILP (handler)) | |
23bd240f | 466 | return call3 (handler, Qfile_name_all_completions, file, directory); |
8436e231 | 467 | |
23bd240f | 468 | return file_name_completion (file, directory, 1, 0); |
14d55bce RS |
469 | } |
470 | ||
dfcf069d AS |
471 | static int file_name_completion_stat (); |
472 | ||
14d55bce RS |
473 | Lisp_Object |
474 | file_name_completion (file, dirname, all_flag, ver_flag) | |
475 | Lisp_Object file, dirname; | |
476 | int all_flag, ver_flag; | |
477 | { | |
478 | DIR *d; | |
6bbd7a29 | 479 | int bestmatchsize = 0, skip; |
14d55bce RS |
480 | register int compare, matchsize; |
481 | unsigned char *p1, *p2; | |
482 | int matchcount = 0; | |
483 | Lisp_Object bestmatch, tem, elt, name; | |
24c2a54f RS |
484 | Lisp_Object encoded_file; |
485 | Lisp_Object encoded_dir; | |
14d55bce RS |
486 | struct stat st; |
487 | int directoryp; | |
488 | int passcount; | |
aed13378 | 489 | int count = SPECPDL_INDEX (); |
24c2a54f | 490 | struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5; |
3fcc88cc | 491 | |
6bbd7a29 GM |
492 | elt = Qnil; |
493 | ||
14d55bce RS |
494 | #ifdef VMS |
495 | extern DIRENTRY * readdirver (); | |
496 | ||
497 | DIRENTRY *((* readfunc) ()); | |
498 | ||
499 | /* Filename completion on VMS ignores case, since VMS filesys does. */ | |
500 | specbind (Qcompletion_ignore_case, Qt); | |
501 | ||
502 | readfunc = readdir; | |
503 | if (ver_flag) | |
504 | readfunc = readdirver; | |
505 | file = Fupcase (file); | |
506 | #else /* not VMS */ | |
b7826503 | 507 | CHECK_STRING (file); |
14d55bce RS |
508 | #endif /* not VMS */ |
509 | ||
128ecc89 RS |
510 | #ifdef FILE_SYSTEM_CASE |
511 | file = FILE_SYSTEM_CASE (file); | |
512 | #endif | |
14d55bce | 513 | bestmatch = Qnil; |
24c2a54f RS |
514 | encoded_file = encoded_dir = Qnil; |
515 | GCPRO5 (file, dirname, bestmatch, encoded_file, encoded_dir); | |
3fcc88cc | 516 | dirname = Fexpand_file_name (dirname, Qnil); |
14d55bce | 517 | |
24c2a54f RS |
518 | /* Do completion on the encoded file name |
519 | because the other names in the directory are (we presume) | |
520 | encoded likewise. We decode the completed string at the end. */ | |
521 | encoded_file = ENCODE_FILE (file); | |
522 | ||
523 | encoded_dir = ENCODE_FILE (dirname); | |
524 | ||
14d55bce RS |
525 | /* With passcount = 0, ignore files that end in an ignored extension. |
526 | If nothing found then try again with passcount = 1, don't ignore them. | |
527 | If looking for all completions, start with passcount = 1, | |
528 | so always take even the ignored ones. | |
529 | ||
530 | ** It would not actually be helpful to the user to ignore any possible | |
531 | completions when making a list of them.** */ | |
532 | ||
265a9e55 | 533 | for (passcount = !!all_flag; NILP (bestmatch) && passcount < 2; passcount++) |
14d55bce | 534 | { |
c3a3229c RS |
535 | int inner_count = SPECPDL_INDEX (); |
536 | ||
d5db4077 | 537 | d = opendir (SDATA (Fdirectory_file_name (encoded_dir))); |
24c2a54f | 538 | if (!d) |
14d55bce RS |
539 | report_file_error ("Opening directory", Fcons (dirname, Qnil)); |
540 | ||
62e3881f RS |
541 | record_unwind_protect (directory_files_internal_unwind, |
542 | Fcons (make_number (((unsigned long) d) >> 16), | |
543 | make_number (((unsigned long) d) & 0xffff))); | |
544 | ||
14d55bce RS |
545 | /* Loop reading blocks */ |
546 | /* (att3b compiler bug requires do a null comparison this way) */ | |
547 | while (1) | |
548 | { | |
549 | DIRENTRY *dp; | |
550 | int len; | |
551 | ||
552 | #ifdef VMS | |
553 | dp = (*readfunc) (d); | |
554 | #else | |
555 | dp = readdir (d); | |
556 | #endif | |
557 | if (!dp) break; | |
558 | ||
559 | len = NAMLEN (dp); | |
560 | ||
c3a3229c | 561 | QUIT; |
128ecc89 | 562 | if (! DIRENTRY_NONEMPTY (dp) |
d5db4077 KR |
563 | || len < SCHARS (encoded_file) |
564 | || 0 <= scmp (dp->d_name, SDATA (encoded_file), | |
565 | SCHARS (encoded_file))) | |
14d55bce RS |
566 | continue; |
567 | ||
24c2a54f | 568 | if (file_name_completion_stat (encoded_dir, dp, &st) < 0) |
14d55bce RS |
569 | continue; |
570 | ||
571 | directoryp = ((st.st_mode & S_IFMT) == S_IFDIR); | |
572 | tem = Qnil; | |
ad456ad4 RS |
573 | if (directoryp) |
574 | { | |
575 | #ifndef TRIVIAL_DIRECTORY_ENTRY | |
576 | #define TRIVIAL_DIRECTORY_ENTRY(n) (!strcmp (n, ".") || !strcmp (n, "..")) | |
577 | #endif | |
578 | /* "." and ".." are never interesting as completions, but are | |
579 | actually in the way in a directory contains only one file. */ | |
580 | if (!passcount && TRIVIAL_DIRECTORY_ENTRY (dp->d_name)) | |
581 | continue; | |
d5db4077 | 582 | if (!passcount && len > SCHARS (encoded_file)) |
d013f29b EZ |
583 | /* Ignore directories if they match an element of |
584 | completion-ignored-extensions which ends in a slash. */ | |
585 | for (tem = Vcompletion_ignored_extensions; | |
586 | CONSP (tem); tem = XCDR (tem)) | |
587 | { | |
588 | int elt_len; | |
589 | ||
590 | elt = XCAR (tem); | |
591 | if (!STRINGP (elt)) | |
592 | continue; | |
a74aaa9d EZ |
593 | /* Need to encode ELT, since scmp compares unibyte |
594 | strings only. */ | |
595 | elt = ENCODE_FILE (elt); | |
d5db4077 | 596 | elt_len = SCHARS (elt) - 1; /* -1 for trailing / */ |
7a8d465a | 597 | if (elt_len <= 0) |
d013f29b | 598 | continue; |
d5db4077 | 599 | p1 = SDATA (elt); |
d013f29b EZ |
600 | if (p1[elt_len] != '/') |
601 | continue; | |
602 | skip = len - elt_len; | |
603 | if (skip < 0) | |
604 | continue; | |
605 | ||
606 | if (0 <= scmp (dp->d_name + skip, p1, elt_len)) | |
607 | continue; | |
608 | break; | |
609 | } | |
ad456ad4 RS |
610 | } |
611 | else | |
14d55bce RS |
612 | { |
613 | /* Compare extensions-to-be-ignored against end of this file name */ | |
614 | /* if name is not an exact match against specified string */ | |
d5db4077 | 615 | if (!passcount && len > SCHARS (encoded_file)) |
14d55bce RS |
616 | /* and exit this for loop if a match is found */ |
617 | for (tem = Vcompletion_ignored_extensions; | |
70949dac | 618 | CONSP (tem); tem = XCDR (tem)) |
14d55bce | 619 | { |
70949dac | 620 | elt = XCAR (tem); |
88cf1852 | 621 | if (!STRINGP (elt)) continue; |
a74aaa9d EZ |
622 | /* Need to encode ELT, since scmp compares unibyte |
623 | strings only. */ | |
624 | elt = ENCODE_FILE (elt); | |
d5db4077 | 625 | skip = len - SCHARS (elt); |
14d55bce RS |
626 | if (skip < 0) continue; |
627 | ||
628 | if (0 <= scmp (dp->d_name + skip, | |
d5db4077 KR |
629 | SDATA (elt), |
630 | SCHARS (elt))) | |
14d55bce RS |
631 | continue; |
632 | break; | |
633 | } | |
634 | } | |
635 | ||
f676868d KH |
636 | /* If an ignored-extensions match was found, |
637 | don't process this name as a completion. */ | |
638 | if (!passcount && CONSP (tem)) | |
639 | continue; | |
640 | ||
641 | if (!passcount) | |
14d55bce | 642 | { |
f676868d KH |
643 | Lisp_Object regexps; |
644 | Lisp_Object zero; | |
617b3bfe | 645 | XSETFASTINT (zero, 0); |
f676868d KH |
646 | |
647 | /* Ignore this element if it fails to match all the regexps. */ | |
648 | for (regexps = Vcompletion_regexp_list; CONSP (regexps); | |
70949dac | 649 | regexps = XCDR (regexps)) |
f676868d | 650 | { |
1c56232f EZ |
651 | tem = Fstring_match (XCAR (regexps), |
652 | make_string (dp->d_name, len), zero); | |
f676868d KH |
653 | if (NILP (tem)) |
654 | break; | |
655 | } | |
656 | if (CONSP (regexps)) | |
657 | continue; | |
658 | } | |
14d55bce | 659 | |
f676868d | 660 | /* Update computation of how much all possible completions match */ |
14d55bce | 661 | |
f676868d KH |
662 | matchcount++; |
663 | ||
664 | if (all_flag || NILP (bestmatch)) | |
665 | { | |
666 | /* This is a possible completion */ | |
667 | if (directoryp) | |
14d55bce | 668 | { |
f676868d KH |
669 | /* This completion is a directory; make it end with '/' */ |
670 | name = Ffile_name_as_directory (make_string (dp->d_name, len)); | |
671 | } | |
672 | else | |
673 | name = make_string (dp->d_name, len); | |
674 | if (all_flag) | |
675 | { | |
bd33479f | 676 | name = DECODE_FILE (name); |
f676868d | 677 | bestmatch = Fcons (name, bestmatch); |
14d55bce RS |
678 | } |
679 | else | |
680 | { | |
f676868d | 681 | bestmatch = name; |
d5db4077 | 682 | bestmatchsize = SCHARS (name); |
f676868d KH |
683 | } |
684 | } | |
685 | else | |
686 | { | |
687 | compare = min (bestmatchsize, len); | |
d5db4077 | 688 | p1 = SDATA (bestmatch); |
f676868d KH |
689 | p2 = (unsigned char *) dp->d_name; |
690 | matchsize = scmp(p1, p2, compare); | |
691 | if (matchsize < 0) | |
692 | matchsize = compare; | |
693 | if (completion_ignore_case) | |
694 | { | |
695 | /* If this is an exact match except for case, | |
696 | use it as the best match rather than one that is not | |
697 | an exact match. This way, we get the case pattern | |
698 | of the actual match. */ | |
f5ec5d3d RS |
699 | /* This tests that the current file is an exact match |
700 | but BESTMATCH is not (it is too long). */ | |
f676868d | 701 | if ((matchsize == len |
177c0ea7 | 702 | && matchsize + !!directoryp |
d5db4077 | 703 | < SCHARS (bestmatch)) |
f676868d KH |
704 | || |
705 | /* If there is no exact match ignoring case, | |
706 | prefer a match that does not change the case | |
707 | of the input. */ | |
f5ec5d3d RS |
708 | /* If there is more than one exact match aside from |
709 | case, and one of them is exact including case, | |
710 | prefer that one. */ | |
711 | /* This == checks that, of current file and BESTMATCH, | |
712 | either both or neither are exact. */ | |
f676868d KH |
713 | (((matchsize == len) |
714 | == | |
177c0ea7 | 715 | (matchsize + !!directoryp |
d5db4077 KR |
716 | == SCHARS (bestmatch))) |
717 | && !bcmp (p2, SDATA (encoded_file), SCHARS (encoded_file)) | |
718 | && bcmp (p1, SDATA (encoded_file), SCHARS (encoded_file)))) | |
97e98a56 | 719 | { |
f676868d KH |
720 | bestmatch = make_string (dp->d_name, len); |
721 | if (directoryp) | |
722 | bestmatch = Ffile_name_as_directory (bestmatch); | |
97e98a56 | 723 | } |
14d55bce | 724 | } |
f676868d KH |
725 | |
726 | /* If this dirname all matches, see if implicit following | |
727 | slash does too. */ | |
728 | if (directoryp | |
729 | && compare == matchsize | |
730 | && bestmatchsize > matchsize | |
0b39d75d | 731 | && IS_ANY_SEP (p1[matchsize])) |
f676868d KH |
732 | matchsize++; |
733 | bestmatchsize = matchsize; | |
14d55bce RS |
734 | } |
735 | } | |
c3a3229c RS |
736 | /* This closes the directory. */ |
737 | bestmatch = unbind_to (inner_count, bestmatch); | |
14d55bce RS |
738 | } |
739 | ||
3fcc88cc | 740 | UNGCPRO; |
c3a3229c | 741 | bestmatch = unbind_to (count, bestmatch); |
14d55bce | 742 | |
265a9e55 | 743 | if (all_flag || NILP (bestmatch)) |
24c2a54f | 744 | { |
bd33479f KH |
745 | if (STRINGP (bestmatch)) |
746 | bestmatch = DECODE_FILE (bestmatch); | |
24c2a54f RS |
747 | return bestmatch; |
748 | } | |
d5db4077 | 749 | if (matchcount == 1 && bestmatchsize == SCHARS (file)) |
14d55bce | 750 | return Qt; |
24c2a54f RS |
751 | bestmatch = Fsubstring (bestmatch, make_number (0), |
752 | make_number (bestmatchsize)); | |
753 | /* Now that we got the right initial segment of BESTMATCH, | |
754 | decode it from the coding system in use. */ | |
bd33479f | 755 | bestmatch = DECODE_FILE (bestmatch); |
24c2a54f | 756 | return bestmatch; |
14d55bce RS |
757 | } |
758 | ||
b3f04ced RS |
759 | /* Compare exactly LEN chars of strings at S1 and S2, |
760 | ignoring case if appropriate. | |
761 | Return -1 if strings match, | |
762 | else number of chars that match at the beginning. */ | |
763 | ||
764 | static int | |
765 | scmp (s1, s2, len) | |
766 | register unsigned char *s1, *s2; | |
767 | int len; | |
768 | { | |
769 | register int l = len; | |
770 | ||
771 | if (completion_ignore_case) | |
772 | { | |
773 | while (l && DOWNCASE (*s1++) == DOWNCASE (*s2++)) | |
774 | l--; | |
775 | } | |
776 | else | |
777 | { | |
778 | while (l && *s1++ == *s2++) | |
779 | l--; | |
780 | } | |
781 | if (l == 0) | |
782 | return -1; | |
783 | else | |
784 | return len - l; | |
785 | } | |
786 | ||
dfcf069d | 787 | static int |
14d55bce RS |
788 | file_name_completion_stat (dirname, dp, st_addr) |
789 | Lisp_Object dirname; | |
790 | DIRENTRY *dp; | |
791 | struct stat *st_addr; | |
792 | { | |
793 | int len = NAMLEN (dp); | |
d5db4077 | 794 | int pos = SCHARS (dirname); |
7e3cf34f | 795 | int value; |
14d55bce RS |
796 | char *fullname = (char *) alloca (len + pos + 2); |
797 | ||
04924ee3 RS |
798 | #ifdef MSDOS |
799 | #if __DJGPP__ > 1 | |
800 | /* Some fields of struct stat are *very* expensive to compute on MS-DOS, | |
801 | but aren't required here. Avoid computing the following fields: | |
802 | st_inode, st_size and st_nlink for directories, and the execute bits | |
803 | in st_mode for non-directory files with non-standard extensions. */ | |
804 | ||
805 | unsigned short save_djstat_flags = _djstat_flags; | |
806 | ||
807 | _djstat_flags = _STAT_INODE | _STAT_EXEC_MAGIC | _STAT_DIRSIZE; | |
808 | #endif /* __DJGPP__ > 1 */ | |
809 | #endif /* MSDOS */ | |
810 | ||
d5db4077 | 811 | bcopy (SDATA (dirname), fullname, pos); |
14d55bce | 812 | #ifndef VMS |
0b39d75d RS |
813 | if (!IS_DIRECTORY_SEP (fullname[pos - 1])) |
814 | fullname[pos++] = DIRECTORY_SEP; | |
14d55bce RS |
815 | #endif |
816 | ||
817 | bcopy (dp->d_name, fullname + pos, len); | |
818 | fullname[pos + len] = 0; | |
819 | ||
a889bd0e | 820 | #ifdef S_IFLNK |
7e3cf34f RS |
821 | /* We want to return success if a link points to a nonexistent file, |
822 | but we want to return the status for what the link points to, | |
823 | in case it is a directory. */ | |
824 | value = lstat (fullname, st_addr); | |
825 | stat (fullname, st_addr); | |
826 | return value; | |
a889bd0e | 827 | #else |
04924ee3 RS |
828 | value = stat (fullname, st_addr); |
829 | #ifdef MSDOS | |
830 | #if __DJGPP__ > 1 | |
831 | _djstat_flags = save_djstat_flags; | |
832 | #endif /* __DJGPP__ > 1 */ | |
833 | #endif /* MSDOS */ | |
834 | return value; | |
835 | #endif /* S_IFLNK */ | |
14d55bce RS |
836 | } |
837 | \f | |
3ed991aa RS |
838 | #ifdef VMS |
839 | ||
840 | DEFUN ("file-name-all-versions", Ffile_name_all_versions, | |
335c5470 PJ |
841 | Sfile_name_all_versions, 2, 2, 0, |
842 | doc: /* Return a list of all versions of file name FILE in directory DIRECTORY. */) | |
843 | (file, directory) | |
23bd240f | 844 | Lisp_Object file, directory; |
3ed991aa | 845 | { |
23bd240f | 846 | return file_name_completion (file, directory, 1, 1); |
3ed991aa RS |
847 | } |
848 | ||
849 | DEFUN ("file-version-limit", Ffile_version_limit, Sfile_version_limit, 1, 1, 0, | |
335c5470 PJ |
850 | doc: /* Return the maximum number of versions allowed for FILE. |
851 | Returns nil if the file cannot be opened or if there is no version limit. */) | |
852 | (filename) | |
3ed991aa RS |
853 | Lisp_Object filename; |
854 | { | |
855 | Lisp_Object retval; | |
856 | struct FAB fab; | |
857 | struct RAB rab; | |
858 | struct XABFHC xabfhc; | |
859 | int status; | |
860 | ||
861 | filename = Fexpand_file_name (filename, Qnil); | |
862 | fab = cc$rms_fab; | |
863 | xabfhc = cc$rms_xabfhc; | |
d5db4077 | 864 | fab.fab$l_fna = SDATA (filename); |
3ed991aa RS |
865 | fab.fab$b_fns = strlen (fab.fab$l_fna); |
866 | fab.fab$l_xab = (char *) &xabfhc; | |
867 | status = sys$open (&fab, 0, 0); | |
868 | if (status != RMS$_NORMAL) /* Probably non-existent file */ | |
869 | return Qnil; | |
870 | sys$close (&fab, 0, 0); | |
871 | if (xabfhc.xab$w_verlimit == 32767) | |
872 | return Qnil; /* No version limit */ | |
873 | else | |
874 | return make_number (xabfhc.xab$w_verlimit); | |
875 | } | |
876 | ||
877 | #endif /* VMS */ | |
878 | \f | |
14d55bce RS |
879 | Lisp_Object |
880 | make_time (time) | |
e5124be7 | 881 | time_t time; |
14d55bce RS |
882 | { |
883 | return Fcons (make_number (time >> 16), | |
884 | Fcons (make_number (time & 0177777), Qnil)); | |
885 | } | |
886 | ||
0e6195ed | 887 | DEFUN ("file-attributes", Ffile_attributes, Sfile_attributes, 1, 2, 0, |
335c5470 PJ |
888 | doc: /* Return a list of attributes of file FILENAME. |
889 | Value is nil if specified file cannot be opened. | |
0e6195ed LH |
890 | |
891 | ID-FORMAT specifies the preferred format of attributes uid and gid (see | |
892 | below) - valid values are 'string and 'integer. The latter is the default, | |
893 | but we plan to change that, so you should specify a non-nil value for | |
894 | ID-FORMAT if you use the returned uid or gid. | |
895 | ||
896 | Elements of the attribute list are: | |
335c5470 PJ |
897 | 0. t for directory, string (name linked to) for symbolic link, or nil. |
898 | 1. Number of links to file. | |
0e6195ed LH |
899 | 2. File uid as a string or an integer. If a string value cannot be |
900 | looked up, the integer value is returned. | |
901 | 3. File gid, likewise. | |
335c5470 PJ |
902 | 4. Last access time, as a list of two integers. |
903 | First integer has high-order 16 bits of time, second has low 16 bits. | |
904 | 5. Last modification time, likewise. | |
905 | 6. Last status change time, likewise. | |
906 | 7. Size in bytes. | |
907 | This is a floating point number if the size is too large for an integer. | |
908 | 8. File modes, as a string of ten letters or dashes as in ls -l. | |
909 | 9. t iff file's gid would change if file were deleted and recreated. | |
910 | 10. inode number. If inode number is larger than the Emacs integer, | |
911 | this is a cons cell containing two integers: first the high part, | |
912 | then the low 16 bits. | |
913 | 11. Device number. If it is larger than the Emacs integer, this is | |
0e6195ed LH |
914 | a cons cell, similar to the inode number. */) |
915 | (filename, id_format) | |
916 | Lisp_Object filename, id_format; | |
14d55bce RS |
917 | { |
918 | Lisp_Object values[12]; | |
24c2a54f | 919 | Lisp_Object encoded; |
14d55bce | 920 | struct stat s; |
0e6195ed LH |
921 | struct passwd *pw; |
922 | struct group *gr; | |
0a974c85 | 923 | #if defined (BSD4_2) || defined (BSD4_3) |
b3edfc9b | 924 | Lisp_Object dirname; |
14d55bce | 925 | struct stat sdir; |
b3edfc9b | 926 | #endif |
14d55bce | 927 | char modes[10]; |
32f4334d | 928 | Lisp_Object handler; |
14d55bce RS |
929 | |
930 | filename = Fexpand_file_name (filename, Qnil); | |
32f4334d RS |
931 | |
932 | /* If the file name has special constructs in it, | |
933 | call the corresponding file handler. */ | |
a617e913 | 934 | handler = Ffind_file_name_handler (filename, Qfile_attributes); |
32f4334d | 935 | if (!NILP (handler)) |
0e6195ed | 936 | return call3 (handler, Qfile_attributes, filename, id_format); |
32f4334d | 937 | |
24c2a54f RS |
938 | encoded = ENCODE_FILE (filename); |
939 | ||
d5db4077 | 940 | if (lstat (SDATA (encoded), &s) < 0) |
14d55bce RS |
941 | return Qnil; |
942 | ||
943 | switch (s.st_mode & S_IFMT) | |
944 | { | |
945 | default: | |
946 | values[0] = Qnil; break; | |
947 | case S_IFDIR: | |
948 | values[0] = Qt; break; | |
949 | #ifdef S_IFLNK | |
950 | case S_IFLNK: | |
951 | values[0] = Ffile_symlink_p (filename); break; | |
952 | #endif | |
953 | } | |
954 | values[1] = make_number (s.st_nlink); | |
0e6195ed LH |
955 | if (NILP (id_format) || EQ (id_format, Qinteger)) |
956 | { | |
957 | values[2] = make_number (s.st_uid); | |
958 | values[3] = make_number (s.st_gid); | |
959 | } | |
960 | else | |
961 | { | |
962 | pw = (struct passwd *) getpwuid (s.st_uid); | |
963 | values[2] = (pw ? build_string (pw->pw_name) : s.st_uid); | |
964 | gr = (struct group *) getgrgid (s.st_gid); | |
965 | values[3] = (gr ? build_string (gr->gr_name) : s.st_gid); | |
966 | } | |
14d55bce RS |
967 | values[4] = make_time (s.st_atime); |
968 | values[5] = make_time (s.st_mtime); | |
969 | values[6] = make_time (s.st_ctime); | |
68c45bf0 | 970 | values[7] = make_number (s.st_size); |
cb1846b4 | 971 | /* If the size is out of range for an integer, return a float. */ |
60fc6069 | 972 | if (XINT (values[7]) != s.st_size) |
cb1846b4 | 973 | values[7] = make_float ((double)s.st_size); |
4bc12672 JR |
974 | /* If the size is negative, and its type is long, convert it back to |
975 | positive. */ | |
976 | if (s.st_size < 0 && sizeof (s.st_size) == sizeof (long)) | |
977 | values[7] = make_float ((double) ((unsigned long) s.st_size)); | |
978 | ||
14d55bce RS |
979 | filemodestring (&s, modes); |
980 | values[8] = make_string (modes, 10); | |
0a974c85 | 981 | #if defined (BSD4_2) || defined (BSD4_3) /* file gid will be dir gid */ |
14d55bce | 982 | dirname = Ffile_name_directory (filename); |
24c2a54f RS |
983 | if (! NILP (dirname)) |
984 | encoded = ENCODE_FILE (dirname); | |
d5db4077 | 985 | if (! NILP (dirname) && stat (SDATA (encoded), &sdir) == 0) |
14d55bce RS |
986 | values[9] = (sdir.st_gid != s.st_gid) ? Qt : Qnil; |
987 | else /* if we can't tell, assume worst */ | |
988 | values[9] = Qt; | |
989 | #else /* file gid will be egid */ | |
990 | values[9] = (s.st_gid != getegid ()) ? Qt : Qnil; | |
991 | #endif /* BSD4_2 (or BSD4_3) */ | |
f8edfd76 | 992 | if (FIXNUM_OVERFLOW_P (s.st_ino)) |
4c637faa RS |
993 | /* To allow inode numbers larger than VALBITS, separate the bottom |
994 | 16 bits. */ | |
995 | values[10] = Fcons (make_number (s.st_ino >> 16), | |
996 | make_number (s.st_ino & 0xffff)); | |
997 | else | |
998 | /* But keep the most common cases as integers. */ | |
999 | values[10] = make_number (s.st_ino); | |
68c45bf0 PE |
1000 | |
1001 | /* Likewise for device. */ | |
f8edfd76 | 1002 | if (FIXNUM_OVERFLOW_P (s.st_dev)) |
68c45bf0 PE |
1003 | values[11] = Fcons (make_number (s.st_dev >> 16), |
1004 | make_number (s.st_dev & 0xffff)); | |
1005 | else | |
1006 | values[11] = make_number (s.st_dev); | |
1007 | ||
14d55bce RS |
1008 | return Flist (sizeof(values) / sizeof(values[0]), values); |
1009 | } | |
4424b255 GV |
1010 | |
1011 | DEFUN ("file-attributes-lessp", Ffile_attributes_lessp, Sfile_attributes_lessp, 2, 2, 0, | |
335c5470 PJ |
1012 | doc: /* Return t if first arg file attributes list is less than second. |
1013 | Comparison is in lexicographic order and case is significant. */) | |
1014 | (f1, f2) | |
4424b255 GV |
1015 | Lisp_Object f1, f2; |
1016 | { | |
1017 | return Fstring_lessp (Fcar (f1), Fcar (f2)); | |
1018 | } | |
14d55bce | 1019 | \f |
dfcf069d | 1020 | void |
14d55bce RS |
1021 | syms_of_dired () |
1022 | { | |
32f4334d | 1023 | Qdirectory_files = intern ("directory-files"); |
4424b255 | 1024 | Qdirectory_files_and_attributes = intern ("directory-files-and-attributes"); |
32f4334d RS |
1025 | Qfile_name_completion = intern ("file-name-completion"); |
1026 | Qfile_name_all_completions = intern ("file-name-all-completions"); | |
434e6714 | 1027 | Qfile_attributes = intern ("file-attributes"); |
4424b255 | 1028 | Qfile_attributes_lessp = intern ("file-attributes-lessp"); |
32f4334d | 1029 | |
a2d3836c | 1030 | staticpro (&Qdirectory_files); |
4424b255 | 1031 | staticpro (&Qdirectory_files_and_attributes); |
a2d3836c EN |
1032 | staticpro (&Qfile_name_completion); |
1033 | staticpro (&Qfile_name_all_completions); | |
1034 | staticpro (&Qfile_attributes); | |
4424b255 | 1035 | staticpro (&Qfile_attributes_lessp); |
a2d3836c | 1036 | |
14d55bce | 1037 | defsubr (&Sdirectory_files); |
4424b255 | 1038 | defsubr (&Sdirectory_files_and_attributes); |
14d55bce RS |
1039 | defsubr (&Sfile_name_completion); |
1040 | #ifdef VMS | |
1041 | defsubr (&Sfile_name_all_versions); | |
3ed991aa | 1042 | defsubr (&Sfile_version_limit); |
14d55bce RS |
1043 | #endif /* VMS */ |
1044 | defsubr (&Sfile_name_all_completions); | |
1045 | defsubr (&Sfile_attributes); | |
4424b255 | 1046 | defsubr (&Sfile_attributes_lessp); |
14d55bce RS |
1047 | |
1048 | #ifdef VMS | |
1049 | Qcompletion_ignore_case = intern ("completion-ignore-case"); | |
1050 | staticpro (&Qcompletion_ignore_case); | |
1051 | #endif /* VMS */ | |
1052 | ||
1053 | DEFVAR_LISP ("completion-ignored-extensions", &Vcompletion_ignored_extensions, | |
335c5470 PJ |
1054 | doc: /* *Completion ignores filenames ending in any string in this list. |
1055 | Directories are ignored if they match any string in this list which | |
1056 | ends in a slash. | |
1057 | This variable does not affect lists of possible completions, | |
1058 | but does affect the commands that actually do completions. */); | |
14d55bce RS |
1059 | Vcompletion_ignored_extensions = Qnil; |
1060 | } | |
ab5796a9 MB |
1061 | |
1062 | /* arch-tag: 1ac8deca-4d8f-4d41-ade9-089154d98c03 | |
1063 | (do not change this comment) */ |