Commit | Line | Data |
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14d55bce | 1 | /* Lisp functions for making directory listings. |
0b5538bd | 2 | Copyright (C) 1985, 1986, 1993, 1994, 1999, 2000, 2001, 2002, 2003, |
aaef169d | 3 | 2004, 2005, 2006 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 | |
4fc5845f LK |
19 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
20 | Boston, MA 02110-1301, 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 | ||
5b9c0a1d | 29 | #ifdef HAVE_PWD_H |
0e6195ed | 30 | #include <pwd.h> |
5b9c0a1d TTN |
31 | #endif |
32 | #ifndef VMS | |
0e6195ed LH |
33 | #include <grp.h> |
34 | #endif | |
35 | ||
7cc9f69f | 36 | #include <errno.h> |
68c45bf0 | 37 | |
3ed991aa RS |
38 | #ifdef VMS |
39 | #include <string.h> | |
40 | #include <rms.h> | |
41 | #include <rmsdef.h> | |
42 | #endif | |
43 | ||
dfcf069d AS |
44 | #ifdef HAVE_UNISTD_H |
45 | #include <unistd.h> | |
46 | #endif | |
47 | ||
d6717cdb JB |
48 | /* The d_nameln member of a struct dirent includes the '\0' character |
49 | on some systems, but not on others. What's worse, you can't tell | |
50 | at compile-time which one it will be, since it really depends on | |
51 | the sort of system providing the filesystem you're reading from, | |
52 | not the system you are running on. Paul Eggert | |
53 | <eggert@bi.twinsun.com> says this occurs when Emacs is running on a | |
54 | SunOS 4.1.2 host, reading a directory that is remote-mounted from a | |
55 | Solaris 2.1 host and is in a native Solaris 2.1 filesystem. | |
56 | ||
57 | Since applying strlen to the name always works, we'll just do that. */ | |
58 | #define NAMLEN(p) strlen (p->d_name) | |
59 | ||
14d55bce RS |
60 | #ifdef SYSV_SYSTEM_DIR |
61 | ||
62 | #include <dirent.h> | |
63 | #define DIRENTRY struct dirent | |
14d55bce | 64 | |
128ecc89 | 65 | #else /* not SYSV_SYSTEM_DIR */ |
14d55bce RS |
66 | |
67 | #ifdef NONSYSTEM_DIR_LIBRARY | |
68 | #include "ndir.h" | |
69 | #else /* not NONSYSTEM_DIR_LIBRARY */ | |
128ecc89 RS |
70 | #ifdef MSDOS |
71 | #include <dirent.h> | |
72 | #else | |
14d55bce | 73 | #include <sys/dir.h> |
128ecc89 | 74 | #endif |
14d55bce RS |
75 | #endif /* not NONSYSTEM_DIR_LIBRARY */ |
76 | ||
851cab13 DL |
77 | #include <sys/stat.h> |
78 | ||
128ecc89 | 79 | #ifndef MSDOS |
14d55bce | 80 | #define DIRENTRY struct direct |
14d55bce RS |
81 | |
82 | extern DIR *opendir (); | |
83 | extern struct direct *readdir (); | |
84 | ||
128ecc89 RS |
85 | #endif /* not MSDOS */ |
86 | #endif /* not SYSV_SYSTEM_DIR */ | |
87 | ||
8f7f8c65 EZ |
88 | /* Some versions of Cygwin don't have d_ino in `struct dirent'. */ |
89 | #if defined(MSDOS) || defined(__CYGWIN__) | |
128ecc89 RS |
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 | 95 | #include "lisp.h" |
fa8459a3 | 96 | #include "systime.h" |
14d55bce RS |
97 | #include "buffer.h" |
98 | #include "commands.h" | |
bd33479f KH |
99 | #include "charset.h" |
100 | #include "coding.h" | |
14d55bce | 101 | #include "regex.h" |
14d55bce | 102 | |
e50c66d3 KH |
103 | /* Returns a search buffer, with a fastmap allocated and ready to go. */ |
104 | extern struct re_pattern_buffer *compile_pattern (); | |
c7e466e1 | 105 | |
851cab13 DL |
106 | /* From filemode.c. Can't go in Lisp.h because of `stat'. */ |
107 | extern void filemodestring P_ ((struct stat *, char *)); | |
108 | ||
14d55bce RS |
109 | /* if system does not have symbolic links, it does not have lstat. |
110 | In that case, use ordinary stat instead. */ | |
111 | ||
112 | #ifndef S_IFLNK | |
113 | #define lstat stat | |
114 | #endif | |
115 | ||
97e98a56 | 116 | extern int completion_ignore_case; |
f676868d | 117 | extern Lisp_Object Vcompletion_regexp_list; |
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 | { | |
9d291bdf | 135 | DIR *d = (DIR *) XSAVE_VALUE (dh)->pointer; |
2488aba5 AI |
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 | 158 | DIRENTRY *dp; |
32f4334d | 159 | |
96d64004 | 160 | /* Because of file name handlers, these functions might call |
6155fae1 | 161 | Ffuncall, and cause a GC. */ |
388ac098 GM |
162 | list = encoded_directory = dirfilename = Qnil; |
163 | GCPRO5 (match, directory, list, dirfilename, encoded_directory); | |
96d64004 | 164 | dirfilename = Fdirectory_file_name (directory); |
6155fae1 | 165 | |
265a9e55 | 166 | if (!NILP (match)) |
14d55bce | 167 | { |
b7826503 | 168 | CHECK_STRING (match); |
ebb9e16f JB |
169 | |
170 | /* MATCH might be a flawed regular expression. Rather than | |
8e6208c5 | 171 | catching and signaling our own errors, we just call |
ebb9e16f | 172 | compile_pattern to do the work for us. */ |
c872c6b2 RS |
173 | /* Pass 1 for the MULTIBYTE arg |
174 | because we do make multibyte strings if the contents warrant. */ | |
14d55bce | 175 | #ifdef VMS |
e50c66d3 | 176 | bufp = compile_pattern (match, 0, |
3e937712 | 177 | buffer_defaults.downcase_table, 0, 1); |
14d55bce | 178 | #else |
3e937712 | 179 | bufp = compile_pattern (match, 0, Qnil, 0, 1); |
14d55bce RS |
180 | #endif |
181 | } | |
182 | ||
b3edfc9b | 183 | /* Note: ENCODE_FILE and DECODE_FILE can GC because they can run |
388ac098 GM |
184 | run_pre_post_conversion_on_str which calls Lisp directly and |
185 | indirectly. */ | |
24c2a54f | 186 | dirfilename = ENCODE_FILE (dirfilename); |
24c2a54f RS |
187 | encoded_directory = ENCODE_FILE (directory); |
188 | ||
e50c66d3 | 189 | /* Now *bufp is the compiled form of MATCH; don't call anything |
6155fae1 JB |
190 | which might compile a new regexp until we're done with the loop! */ |
191 | ||
d5db4077 | 192 | d = opendir (SDATA (dirfilename)); |
388ac098 | 193 | if (d == NULL) |
23bd240f | 194 | report_file_error ("Opening directory", Fcons (directory, Qnil)); |
14d55bce | 195 | |
2488aba5 AI |
196 | /* Unfortunately, we can now invoke expand-file-name and |
197 | file-attributes on filenames, both of which can throw, so we must | |
198 | do a proper unwind-protect. */ | |
199 | record_unwind_protect (directory_files_internal_unwind, | |
9d291bdf | 200 | make_save_value (d, 0)); |
2488aba5 | 201 | |
d5db4077 | 202 | directory_nbytes = SBYTES (directory); |
c81a9bdc | 203 | re_match_object = Qt; |
14d55bce | 204 | |
96d64004 AS |
205 | /* Decide whether we need to add a directory separator. */ |
206 | #ifndef VMS | |
388ac098 | 207 | if (directory_nbytes == 0 |
d5db4077 | 208 | || !IS_ANY_SEP (SREF (directory, directory_nbytes - 1))) |
96d64004 | 209 | needsep = 1; |
e540cbed | 210 | #endif /* not VMS */ |
96d64004 | 211 | |
8e42f043 | 212 | /* Loop reading blocks until EOF or error. */ |
f69f9da1 | 213 | for (;;) |
14d55bce | 214 | { |
f69f9da1 GM |
215 | errno = 0; |
216 | dp = readdir (d); | |
217 | ||
9d291bdf | 218 | if (dp == NULL && (0 |
f69f9da1 | 219 | #ifdef EAGAIN |
9d291bdf SM |
220 | || errno == EAGAIN |
221 | #endif | |
222 | #ifdef EINTR | |
223 | || errno == EINTR | |
f69f9da1 | 224 | #endif |
9d291bdf SM |
225 | )) |
226 | { QUIT; continue; } | |
177c0ea7 | 227 | |
f69f9da1 GM |
228 | if (dp == NULL) |
229 | break; | |
230 | ||
128ecc89 | 231 | if (DIRENTRY_NONEMPTY (dp)) |
14d55bce | 232 | { |
e23f810c | 233 | int len; |
2488aba5 | 234 | int wanted = 0; |
388ac098 GM |
235 | Lisp_Object name, finalname; |
236 | struct gcpro gcpro1, gcpro2; | |
e23f810c KH |
237 | |
238 | len = NAMLEN (dp); | |
9ad4f3e5 | 239 | name = finalname = make_unibyte_string (dp->d_name, len); |
388ac098 | 240 | GCPRO2 (finalname, name); |
177c0ea7 | 241 | |
388ac098 GM |
242 | /* Note: ENCODE_FILE can GC; it should protect its argument, |
243 | though. */ | |
244 | name = DECODE_FILE (name); | |
d5db4077 | 245 | len = SBYTES (name); |
e23f810c | 246 | |
2488aba5 AI |
247 | /* Now that we have unwind_protect in place, we might as well |
248 | allow matching to be interrupted. */ | |
249 | immediate_quit = 1; | |
250 | QUIT; | |
251 | ||
265a9e55 | 252 | if (NILP (match) |
d5db4077 | 253 | || (0 <= re_search (bufp, SDATA (name), len, 0, len, 0))) |
388ac098 | 254 | wanted = 1; |
2488aba5 AI |
255 | |
256 | immediate_quit = 0; | |
257 | ||
258 | if (wanted) | |
14d55bce | 259 | { |
265a9e55 | 260 | if (!NILP (full)) |
14d55bce | 261 | { |
e23f810c | 262 | Lisp_Object fullname; |
388ac098 GM |
263 | int nbytes = len + directory_nbytes + needsep; |
264 | int nchars; | |
5617588f | 265 | |
388ac098 | 266 | fullname = make_uninit_multibyte_string (nbytes, nbytes); |
d5db4077 | 267 | bcopy (SDATA (directory), SDATA (fullname), |
388ac098 | 268 | directory_nbytes); |
177c0ea7 | 269 | |
5617588f | 270 | if (needsep) |
d549c5db | 271 | SSET (fullname, directory_nbytes, DIRECTORY_SEP); |
177c0ea7 | 272 | |
d5db4077 KR |
273 | bcopy (SDATA (name), |
274 | SDATA (fullname) + directory_nbytes + needsep, | |
388ac098 | 275 | len); |
177c0ea7 | 276 | |
d5db4077 | 277 | nchars = chars_in_text (SDATA (fullname), nbytes); |
388ac098 GM |
278 | |
279 | /* Some bug somewhere. */ | |
280 | if (nchars > nbytes) | |
281 | abort (); | |
177c0ea7 | 282 | |
437fcd47 | 283 | STRING_SET_CHARS (fullname, nchars); |
388ac098 | 284 | if (nchars == nbytes) |
d5db4077 | 285 | STRING_SET_UNIBYTE (fullname); |
177c0ea7 | 286 | |
4424b255 GV |
287 | finalname = fullname; |
288 | } | |
aab9c564 KH |
289 | else |
290 | finalname = name; | |
4424b255 GV |
291 | |
292 | if (attrs) | |
293 | { | |
294 | /* Construct an expanded filename for the directory entry. | |
295 | Use the decoded names for input to Ffile_attributes. */ | |
388ac098 GM |
296 | Lisp_Object decoded_fullname, fileattrs; |
297 | struct gcpro gcpro1, gcpro2; | |
298 | ||
299 | decoded_fullname = fileattrs = Qnil; | |
300 | GCPRO2 (decoded_fullname, fileattrs); | |
4424b255 | 301 | |
388ac098 | 302 | /* Both Fexpand_file_name and Ffile_attributes can GC. */ |
4424b255 | 303 | decoded_fullname = Fexpand_file_name (name, directory); |
0e6195ed | 304 | fileattrs = Ffile_attributes (decoded_fullname, id_format); |
4424b255 GV |
305 | |
306 | list = Fcons (Fcons (finalname, fileattrs), list); | |
388ac098 | 307 | UNGCPRO; |
4424b255 GV |
308 | } |
309 | else | |
388ac098 | 310 | list = Fcons (finalname, list); |
14d55bce | 311 | } |
388ac098 GM |
312 | |
313 | UNGCPRO; | |
14d55bce RS |
314 | } |
315 | } | |
2488aba5 | 316 | |
14d55bce | 317 | closedir (d); |
2488aba5 AI |
318 | |
319 | /* Discard the unwind protect. */ | |
320 | specpdl_ptr = specpdl + count; | |
321 | ||
388ac098 GM |
322 | if (NILP (nosort)) |
323 | list = Fsort (Fnreverse (list), | |
324 | attrs ? Qfile_attributes_lessp : Qstring_lessp); | |
177c0ea7 | 325 | |
388ac098 | 326 | RETURN_UNGCPRO (list); |
14d55bce | 327 | } |
4424b255 GV |
328 | |
329 | ||
330 | DEFUN ("directory-files", Fdirectory_files, Sdirectory_files, 1, 4, 0, | |
335c5470 PJ |
331 | doc: /* Return a list of names of files in DIRECTORY. |
332 | There are three optional arguments: | |
333 | If FULL is non-nil, return absolute file names. Otherwise return names | |
334 | that are relative to the specified directory. | |
335 | If MATCH is non-nil, mention only file names that match the regexp MATCH. | |
336 | If NOSORT is non-nil, the list is not sorted--its order is unpredictable. | |
337 | NOSORT is useful if you plan to sort the result yourself. */) | |
338 | (directory, full, match, nosort) | |
4424b255 GV |
339 | Lisp_Object directory, full, match, nosort; |
340 | { | |
341 | Lisp_Object handler; | |
4ece81a6 | 342 | directory = Fexpand_file_name (directory, Qnil); |
4424b255 GV |
343 | |
344 | /* If the file name has special constructs in it, | |
345 | call the corresponding file handler. */ | |
346 | handler = Ffind_file_name_handler (directory, Qdirectory_files); | |
347 | if (!NILP (handler)) | |
b9148500 LH |
348 | return call5 (handler, Qdirectory_files, directory, |
349 | full, match, nosort); | |
4424b255 | 350 | |
0e6195ed | 351 | return directory_files_internal (directory, full, match, nosort, 0, Qnil); |
4424b255 GV |
352 | } |
353 | ||
335c5470 | 354 | DEFUN ("directory-files-and-attributes", Fdirectory_files_and_attributes, |
0e6195ed | 355 | Sdirectory_files_and_attributes, 1, 5, 0, |
335c5470 | 356 | doc: /* Return a list of names of files and their attributes in DIRECTORY. |
0e6195ed | 357 | There are four optional arguments: |
335c5470 PJ |
358 | If FULL is non-nil, return absolute file names. Otherwise return names |
359 | that are relative to the specified directory. | |
360 | If MATCH is non-nil, mention only file names that match the regexp MATCH. | |
361 | If NOSORT is non-nil, the list is not sorted--its order is unpredictable. | |
0e6195ed LH |
362 | NOSORT is useful if you plan to sort the result yourself. |
363 | ID-FORMAT specifies the preferred format of attributes uid and gid, see | |
364 | `file-attributes' for further documentation. */) | |
365 | (directory, full, match, nosort, id_format) | |
366 | Lisp_Object directory, full, match, nosort, id_format; | |
4424b255 GV |
367 | { |
368 | Lisp_Object handler; | |
4ece81a6 | 369 | directory = Fexpand_file_name (directory, Qnil); |
4424b255 GV |
370 | |
371 | /* If the file name has special constructs in it, | |
372 | call the corresponding file handler. */ | |
373 | handler = Ffind_file_name_handler (directory, Qdirectory_files_and_attributes); | |
374 | if (!NILP (handler)) | |
b9148500 LH |
375 | return call6 (handler, Qdirectory_files_and_attributes, |
376 | directory, full, match, nosort, id_format); | |
4424b255 | 377 | |
0e6195ed | 378 | return directory_files_internal (directory, full, match, nosort, 1, id_format); |
4424b255 GV |
379 | } |
380 | ||
14d55bce RS |
381 | \f |
382 | Lisp_Object file_name_completion (); | |
383 | ||
384 | DEFUN ("file-name-completion", Ffile_name_completion, Sfile_name_completion, | |
335c5470 PJ |
385 | 2, 2, 0, |
386 | doc: /* Complete file name FILE in directory DIRECTORY. | |
387 | Returns the longest string | |
388 | common to all file names in DIRECTORY that start with FILE. | |
389 | If there is only one and FILE matches it exactly, returns t. | |
2f60660a | 390 | Returns nil if DIRECTORY contains no name starting with FILE. |
335c5470 PJ |
391 | |
392 | This function ignores some of the possible completions as | |
393 | determined by the variable `completion-ignored-extensions', which see. */) | |
394 | (file, directory) | |
23bd240f | 395 | Lisp_Object file, directory; |
14d55bce | 396 | { |
32f4334d | 397 | Lisp_Object handler; |
32f4334d | 398 | |
8436e231 | 399 | /* If the directory name has special constructs in it, |
32f4334d | 400 | call the corresponding file handler. */ |
23bd240f | 401 | handler = Ffind_file_name_handler (directory, Qfile_name_completion); |
32f4334d | 402 | if (!NILP (handler)) |
23bd240f | 403 | return call3 (handler, Qfile_name_completion, file, directory); |
32f4334d | 404 | |
8436e231 RS |
405 | /* If the file name has special constructs in it, |
406 | call the corresponding file handler. */ | |
407 | handler = Ffind_file_name_handler (file, Qfile_name_completion); | |
408 | if (!NILP (handler)) | |
23bd240f | 409 | return call3 (handler, Qfile_name_completion, file, directory); |
8436e231 | 410 | |
23bd240f | 411 | return file_name_completion (file, directory, 0, 0); |
14d55bce RS |
412 | } |
413 | ||
414 | DEFUN ("file-name-all-completions", Ffile_name_all_completions, | |
335c5470 PJ |
415 | Sfile_name_all_completions, 2, 2, 0, |
416 | doc: /* Return a list of all completions of file name FILE in directory DIRECTORY. | |
417 | These are all file names in directory DIRECTORY which begin with FILE. */) | |
418 | (file, directory) | |
23bd240f | 419 | Lisp_Object file, directory; |
14d55bce | 420 | { |
32f4334d RS |
421 | Lisp_Object handler; |
422 | ||
8436e231 | 423 | /* If the directory name has special constructs in it, |
32f4334d | 424 | call the corresponding file handler. */ |
23bd240f | 425 | handler = Ffind_file_name_handler (directory, Qfile_name_all_completions); |
32f4334d | 426 | if (!NILP (handler)) |
23bd240f | 427 | return call3 (handler, Qfile_name_all_completions, file, directory); |
32f4334d | 428 | |
8436e231 RS |
429 | /* If the file name has special constructs in it, |
430 | call the corresponding file handler. */ | |
431 | handler = Ffind_file_name_handler (file, Qfile_name_all_completions); | |
432 | if (!NILP (handler)) | |
23bd240f | 433 | return call3 (handler, Qfile_name_all_completions, file, directory); |
8436e231 | 434 | |
23bd240f | 435 | return file_name_completion (file, directory, 1, 0); |
14d55bce RS |
436 | } |
437 | ||
dfcf069d AS |
438 | static int file_name_completion_stat (); |
439 | ||
14d55bce RS |
440 | Lisp_Object |
441 | file_name_completion (file, dirname, all_flag, ver_flag) | |
442 | Lisp_Object file, dirname; | |
443 | int all_flag, ver_flag; | |
444 | { | |
445 | DIR *d; | |
6bbd7a29 | 446 | int bestmatchsize = 0, skip; |
14d55bce RS |
447 | register int compare, matchsize; |
448 | unsigned char *p1, *p2; | |
449 | int matchcount = 0; | |
450 | Lisp_Object bestmatch, tem, elt, name; | |
24c2a54f RS |
451 | Lisp_Object encoded_file; |
452 | Lisp_Object encoded_dir; | |
14d55bce RS |
453 | struct stat st; |
454 | int directoryp; | |
455 | int passcount; | |
aed13378 | 456 | int count = SPECPDL_INDEX (); |
24c2a54f | 457 | struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5; |
3fcc88cc | 458 | |
6bbd7a29 GM |
459 | elt = Qnil; |
460 | ||
14d55bce RS |
461 | #ifdef VMS |
462 | extern DIRENTRY * readdirver (); | |
463 | ||
464 | DIRENTRY *((* readfunc) ()); | |
465 | ||
466 | /* Filename completion on VMS ignores case, since VMS filesys does. */ | |
467 | specbind (Qcompletion_ignore_case, Qt); | |
468 | ||
469 | readfunc = readdir; | |
470 | if (ver_flag) | |
471 | readfunc = readdirver; | |
472 | file = Fupcase (file); | |
473 | #else /* not VMS */ | |
b7826503 | 474 | CHECK_STRING (file); |
14d55bce RS |
475 | #endif /* not VMS */ |
476 | ||
128ecc89 RS |
477 | #ifdef FILE_SYSTEM_CASE |
478 | file = FILE_SYSTEM_CASE (file); | |
479 | #endif | |
14d55bce | 480 | bestmatch = Qnil; |
24c2a54f RS |
481 | encoded_file = encoded_dir = Qnil; |
482 | GCPRO5 (file, dirname, bestmatch, encoded_file, encoded_dir); | |
3fcc88cc | 483 | dirname = Fexpand_file_name (dirname, Qnil); |
14d55bce | 484 | |
24c2a54f RS |
485 | /* Do completion on the encoded file name |
486 | because the other names in the directory are (we presume) | |
487 | encoded likewise. We decode the completed string at the end. */ | |
488 | encoded_file = ENCODE_FILE (file); | |
489 | ||
490 | encoded_dir = ENCODE_FILE (dirname); | |
491 | ||
14d55bce RS |
492 | /* With passcount = 0, ignore files that end in an ignored extension. |
493 | If nothing found then try again with passcount = 1, don't ignore them. | |
494 | If looking for all completions, start with passcount = 1, | |
495 | so always take even the ignored ones. | |
496 | ||
497 | ** It would not actually be helpful to the user to ignore any possible | |
498 | completions when making a list of them.** */ | |
499 | ||
265a9e55 | 500 | for (passcount = !!all_flag; NILP (bestmatch) && passcount < 2; passcount++) |
14d55bce | 501 | { |
c3a3229c RS |
502 | int inner_count = SPECPDL_INDEX (); |
503 | ||
d5db4077 | 504 | d = opendir (SDATA (Fdirectory_file_name (encoded_dir))); |
24c2a54f | 505 | if (!d) |
14d55bce RS |
506 | report_file_error ("Opening directory", Fcons (dirname, Qnil)); |
507 | ||
62e3881f | 508 | record_unwind_protect (directory_files_internal_unwind, |
9d291bdf | 509 | make_save_value (d, 0)); |
62e3881f | 510 | |
14d55bce RS |
511 | /* Loop reading blocks */ |
512 | /* (att3b compiler bug requires do a null comparison this way) */ | |
513 | while (1) | |
514 | { | |
515 | DIRENTRY *dp; | |
516 | int len; | |
517 | ||
518 | #ifdef VMS | |
519 | dp = (*readfunc) (d); | |
520 | #else | |
9d291bdf | 521 | errno = 0; |
14d55bce | 522 | dp = readdir (d); |
9d291bdf SM |
523 | if (dp == NULL && (0 |
524 | # ifdef EAGAIN | |
525 | || errno == EAGAIN | |
526 | # endif | |
527 | # ifdef EINTR | |
528 | || errno == EINTR | |
529 | # endif | |
530 | )) | |
531 | { QUIT; continue; } | |
14d55bce | 532 | #endif |
9d291bdf | 533 | |
14d55bce RS |
534 | if (!dp) break; |
535 | ||
536 | len = NAMLEN (dp); | |
537 | ||
c3a3229c | 538 | QUIT; |
128ecc89 | 539 | if (! DIRENTRY_NONEMPTY (dp) |
d5db4077 KR |
540 | || len < SCHARS (encoded_file) |
541 | || 0 <= scmp (dp->d_name, SDATA (encoded_file), | |
542 | SCHARS (encoded_file))) | |
14d55bce RS |
543 | continue; |
544 | ||
24c2a54f | 545 | if (file_name_completion_stat (encoded_dir, dp, &st) < 0) |
14d55bce RS |
546 | continue; |
547 | ||
548 | directoryp = ((st.st_mode & S_IFMT) == S_IFDIR); | |
549 | tem = Qnil; | |
ad456ad4 RS |
550 | if (directoryp) |
551 | { | |
552 | #ifndef TRIVIAL_DIRECTORY_ENTRY | |
553 | #define TRIVIAL_DIRECTORY_ENTRY(n) (!strcmp (n, ".") || !strcmp (n, "..")) | |
554 | #endif | |
555 | /* "." and ".." are never interesting as completions, but are | |
556 | actually in the way in a directory contains only one file. */ | |
557 | if (!passcount && TRIVIAL_DIRECTORY_ENTRY (dp->d_name)) | |
558 | continue; | |
d5db4077 | 559 | if (!passcount && len > SCHARS (encoded_file)) |
d013f29b EZ |
560 | /* Ignore directories if they match an element of |
561 | completion-ignored-extensions which ends in a slash. */ | |
562 | for (tem = Vcompletion_ignored_extensions; | |
563 | CONSP (tem); tem = XCDR (tem)) | |
564 | { | |
565 | int elt_len; | |
566 | ||
567 | elt = XCAR (tem); | |
568 | if (!STRINGP (elt)) | |
569 | continue; | |
a74aaa9d EZ |
570 | /* Need to encode ELT, since scmp compares unibyte |
571 | strings only. */ | |
572 | elt = ENCODE_FILE (elt); | |
d5db4077 | 573 | elt_len = SCHARS (elt) - 1; /* -1 for trailing / */ |
7a8d465a | 574 | if (elt_len <= 0) |
d013f29b | 575 | continue; |
d5db4077 | 576 | p1 = SDATA (elt); |
d013f29b EZ |
577 | if (p1[elt_len] != '/') |
578 | continue; | |
579 | skip = len - elt_len; | |
580 | if (skip < 0) | |
581 | continue; | |
582 | ||
583 | if (0 <= scmp (dp->d_name + skip, p1, elt_len)) | |
584 | continue; | |
585 | break; | |
586 | } | |
ad456ad4 RS |
587 | } |
588 | else | |
14d55bce RS |
589 | { |
590 | /* Compare extensions-to-be-ignored against end of this file name */ | |
591 | /* if name is not an exact match against specified string */ | |
d5db4077 | 592 | if (!passcount && len > SCHARS (encoded_file)) |
14d55bce RS |
593 | /* and exit this for loop if a match is found */ |
594 | for (tem = Vcompletion_ignored_extensions; | |
70949dac | 595 | CONSP (tem); tem = XCDR (tem)) |
14d55bce | 596 | { |
70949dac | 597 | elt = XCAR (tem); |
88cf1852 | 598 | if (!STRINGP (elt)) continue; |
a74aaa9d EZ |
599 | /* Need to encode ELT, since scmp compares unibyte |
600 | strings only. */ | |
601 | elt = ENCODE_FILE (elt); | |
d5db4077 | 602 | skip = len - SCHARS (elt); |
14d55bce RS |
603 | if (skip < 0) continue; |
604 | ||
605 | if (0 <= scmp (dp->d_name + skip, | |
d5db4077 KR |
606 | SDATA (elt), |
607 | SCHARS (elt))) | |
14d55bce RS |
608 | continue; |
609 | break; | |
610 | } | |
611 | } | |
612 | ||
f676868d KH |
613 | /* If an ignored-extensions match was found, |
614 | don't process this name as a completion. */ | |
615 | if (!passcount && CONSP (tem)) | |
616 | continue; | |
617 | ||
618 | if (!passcount) | |
14d55bce | 619 | { |
f676868d KH |
620 | Lisp_Object regexps; |
621 | Lisp_Object zero; | |
617b3bfe | 622 | XSETFASTINT (zero, 0); |
f676868d KH |
623 | |
624 | /* Ignore this element if it fails to match all the regexps. */ | |
625 | for (regexps = Vcompletion_regexp_list; CONSP (regexps); | |
70949dac | 626 | regexps = XCDR (regexps)) |
f676868d | 627 | { |
1c56232f EZ |
628 | tem = Fstring_match (XCAR (regexps), |
629 | make_string (dp->d_name, len), zero); | |
f676868d KH |
630 | if (NILP (tem)) |
631 | break; | |
632 | } | |
633 | if (CONSP (regexps)) | |
634 | continue; | |
635 | } | |
14d55bce | 636 | |
f676868d | 637 | /* Update computation of how much all possible completions match */ |
14d55bce | 638 | |
f676868d KH |
639 | matchcount++; |
640 | ||
641 | if (all_flag || NILP (bestmatch)) | |
642 | { | |
643 | /* This is a possible completion */ | |
644 | if (directoryp) | |
14d55bce | 645 | { |
f676868d KH |
646 | /* This completion is a directory; make it end with '/' */ |
647 | name = Ffile_name_as_directory (make_string (dp->d_name, len)); | |
648 | } | |
649 | else | |
650 | name = make_string (dp->d_name, len); | |
651 | if (all_flag) | |
652 | { | |
bd33479f | 653 | name = DECODE_FILE (name); |
f676868d | 654 | bestmatch = Fcons (name, bestmatch); |
14d55bce RS |
655 | } |
656 | else | |
657 | { | |
f676868d | 658 | bestmatch = name; |
d5db4077 | 659 | bestmatchsize = SCHARS (name); |
f676868d KH |
660 | } |
661 | } | |
662 | else | |
663 | { | |
664 | compare = min (bestmatchsize, len); | |
d5db4077 | 665 | p1 = SDATA (bestmatch); |
f676868d KH |
666 | p2 = (unsigned char *) dp->d_name; |
667 | matchsize = scmp(p1, p2, compare); | |
668 | if (matchsize < 0) | |
669 | matchsize = compare; | |
670 | if (completion_ignore_case) | |
671 | { | |
672 | /* If this is an exact match except for case, | |
673 | use it as the best match rather than one that is not | |
674 | an exact match. This way, we get the case pattern | |
675 | of the actual match. */ | |
f5ec5d3d RS |
676 | /* This tests that the current file is an exact match |
677 | but BESTMATCH is not (it is too long). */ | |
f676868d | 678 | if ((matchsize == len |
177c0ea7 | 679 | && matchsize + !!directoryp |
d5db4077 | 680 | < SCHARS (bestmatch)) |
f676868d KH |
681 | || |
682 | /* If there is no exact match ignoring case, | |
683 | prefer a match that does not change the case | |
684 | of the input. */ | |
f5ec5d3d RS |
685 | /* If there is more than one exact match aside from |
686 | case, and one of them is exact including case, | |
687 | prefer that one. */ | |
688 | /* This == checks that, of current file and BESTMATCH, | |
689 | either both or neither are exact. */ | |
f676868d KH |
690 | (((matchsize == len) |
691 | == | |
177c0ea7 | 692 | (matchsize + !!directoryp |
d5db4077 KR |
693 | == SCHARS (bestmatch))) |
694 | && !bcmp (p2, SDATA (encoded_file), SCHARS (encoded_file)) | |
695 | && bcmp (p1, SDATA (encoded_file), SCHARS (encoded_file)))) | |
97e98a56 | 696 | { |
f676868d KH |
697 | bestmatch = make_string (dp->d_name, len); |
698 | if (directoryp) | |
699 | bestmatch = Ffile_name_as_directory (bestmatch); | |
97e98a56 | 700 | } |
14d55bce | 701 | } |
f676868d KH |
702 | |
703 | /* If this dirname all matches, see if implicit following | |
704 | slash does too. */ | |
705 | if (directoryp | |
706 | && compare == matchsize | |
707 | && bestmatchsize > matchsize | |
0b39d75d | 708 | && IS_ANY_SEP (p1[matchsize])) |
f676868d KH |
709 | matchsize++; |
710 | bestmatchsize = matchsize; | |
14d55bce RS |
711 | } |
712 | } | |
c3a3229c RS |
713 | /* This closes the directory. */ |
714 | bestmatch = unbind_to (inner_count, bestmatch); | |
14d55bce RS |
715 | } |
716 | ||
3fcc88cc | 717 | UNGCPRO; |
c3a3229c | 718 | bestmatch = unbind_to (count, bestmatch); |
14d55bce | 719 | |
265a9e55 | 720 | if (all_flag || NILP (bestmatch)) |
24c2a54f | 721 | { |
bd33479f KH |
722 | if (STRINGP (bestmatch)) |
723 | bestmatch = DECODE_FILE (bestmatch); | |
24c2a54f RS |
724 | return bestmatch; |
725 | } | |
d5db4077 | 726 | if (matchcount == 1 && bestmatchsize == SCHARS (file)) |
14d55bce | 727 | return Qt; |
24c2a54f RS |
728 | bestmatch = Fsubstring (bestmatch, make_number (0), |
729 | make_number (bestmatchsize)); | |
730 | /* Now that we got the right initial segment of BESTMATCH, | |
731 | decode it from the coding system in use. */ | |
bd33479f | 732 | bestmatch = DECODE_FILE (bestmatch); |
24c2a54f | 733 | return bestmatch; |
14d55bce RS |
734 | } |
735 | ||
b3f04ced RS |
736 | /* Compare exactly LEN chars of strings at S1 and S2, |
737 | ignoring case if appropriate. | |
738 | Return -1 if strings match, | |
739 | else number of chars that match at the beginning. */ | |
740 | ||
741 | static int | |
742 | scmp (s1, s2, len) | |
743 | register unsigned char *s1, *s2; | |
744 | int len; | |
745 | { | |
746 | register int l = len; | |
747 | ||
748 | if (completion_ignore_case) | |
749 | { | |
750 | while (l && DOWNCASE (*s1++) == DOWNCASE (*s2++)) | |
751 | l--; | |
752 | } | |
753 | else | |
754 | { | |
755 | while (l && *s1++ == *s2++) | |
756 | l--; | |
757 | } | |
758 | if (l == 0) | |
759 | return -1; | |
760 | else | |
761 | return len - l; | |
762 | } | |
763 | ||
dfcf069d | 764 | static int |
14d55bce RS |
765 | file_name_completion_stat (dirname, dp, st_addr) |
766 | Lisp_Object dirname; | |
767 | DIRENTRY *dp; | |
768 | struct stat *st_addr; | |
769 | { | |
770 | int len = NAMLEN (dp); | |
d5db4077 | 771 | int pos = SCHARS (dirname); |
7e3cf34f | 772 | int value; |
14d55bce RS |
773 | char *fullname = (char *) alloca (len + pos + 2); |
774 | ||
04924ee3 RS |
775 | #ifdef MSDOS |
776 | #if __DJGPP__ > 1 | |
777 | /* Some fields of struct stat are *very* expensive to compute on MS-DOS, | |
778 | but aren't required here. Avoid computing the following fields: | |
779 | st_inode, st_size and st_nlink for directories, and the execute bits | |
780 | in st_mode for non-directory files with non-standard extensions. */ | |
781 | ||
782 | unsigned short save_djstat_flags = _djstat_flags; | |
783 | ||
784 | _djstat_flags = _STAT_INODE | _STAT_EXEC_MAGIC | _STAT_DIRSIZE; | |
785 | #endif /* __DJGPP__ > 1 */ | |
786 | #endif /* MSDOS */ | |
787 | ||
d5db4077 | 788 | bcopy (SDATA (dirname), fullname, pos); |
14d55bce | 789 | #ifndef VMS |
0b39d75d RS |
790 | if (!IS_DIRECTORY_SEP (fullname[pos - 1])) |
791 | fullname[pos++] = DIRECTORY_SEP; | |
14d55bce RS |
792 | #endif |
793 | ||
794 | bcopy (dp->d_name, fullname + pos, len); | |
795 | fullname[pos + len] = 0; | |
796 | ||
a889bd0e | 797 | #ifdef S_IFLNK |
7e3cf34f RS |
798 | /* We want to return success if a link points to a nonexistent file, |
799 | but we want to return the status for what the link points to, | |
800 | in case it is a directory. */ | |
801 | value = lstat (fullname, st_addr); | |
802 | stat (fullname, st_addr); | |
803 | return value; | |
a889bd0e | 804 | #else |
04924ee3 RS |
805 | value = stat (fullname, st_addr); |
806 | #ifdef MSDOS | |
807 | #if __DJGPP__ > 1 | |
808 | _djstat_flags = save_djstat_flags; | |
809 | #endif /* __DJGPP__ > 1 */ | |
810 | #endif /* MSDOS */ | |
811 | return value; | |
812 | #endif /* S_IFLNK */ | |
14d55bce RS |
813 | } |
814 | \f | |
3ed991aa RS |
815 | #ifdef VMS |
816 | ||
817 | DEFUN ("file-name-all-versions", Ffile_name_all_versions, | |
335c5470 PJ |
818 | Sfile_name_all_versions, 2, 2, 0, |
819 | doc: /* Return a list of all versions of file name FILE in directory DIRECTORY. */) | |
820 | (file, directory) | |
23bd240f | 821 | Lisp_Object file, directory; |
3ed991aa | 822 | { |
23bd240f | 823 | return file_name_completion (file, directory, 1, 1); |
3ed991aa RS |
824 | } |
825 | ||
826 | DEFUN ("file-version-limit", Ffile_version_limit, Sfile_version_limit, 1, 1, 0, | |
335c5470 PJ |
827 | doc: /* Return the maximum number of versions allowed for FILE. |
828 | Returns nil if the file cannot be opened or if there is no version limit. */) | |
829 | (filename) | |
3ed991aa RS |
830 | Lisp_Object filename; |
831 | { | |
832 | Lisp_Object retval; | |
833 | struct FAB fab; | |
834 | struct RAB rab; | |
835 | struct XABFHC xabfhc; | |
836 | int status; | |
837 | ||
838 | filename = Fexpand_file_name (filename, Qnil); | |
839 | fab = cc$rms_fab; | |
840 | xabfhc = cc$rms_xabfhc; | |
d5db4077 | 841 | fab.fab$l_fna = SDATA (filename); |
3ed991aa RS |
842 | fab.fab$b_fns = strlen (fab.fab$l_fna); |
843 | fab.fab$l_xab = (char *) &xabfhc; | |
844 | status = sys$open (&fab, 0, 0); | |
845 | if (status != RMS$_NORMAL) /* Probably non-existent file */ | |
846 | return Qnil; | |
847 | sys$close (&fab, 0, 0); | |
848 | if (xabfhc.xab$w_verlimit == 32767) | |
849 | return Qnil; /* No version limit */ | |
850 | else | |
851 | return make_number (xabfhc.xab$w_verlimit); | |
852 | } | |
853 | ||
854 | #endif /* VMS */ | |
855 | \f | |
14d55bce RS |
856 | Lisp_Object |
857 | make_time (time) | |
e5124be7 | 858 | time_t time; |
14d55bce RS |
859 | { |
860 | return Fcons (make_number (time >> 16), | |
861 | Fcons (make_number (time & 0177777), Qnil)); | |
862 | } | |
863 | ||
0e6195ed | 864 | DEFUN ("file-attributes", Ffile_attributes, Sfile_attributes, 1, 2, 0, |
335c5470 PJ |
865 | doc: /* Return a list of attributes of file FILENAME. |
866 | Value is nil if specified file cannot be opened. | |
0e6195ed LH |
867 | |
868 | ID-FORMAT specifies the preferred format of attributes uid and gid (see | |
869 | below) - valid values are 'string and 'integer. The latter is the default, | |
870 | but we plan to change that, so you should specify a non-nil value for | |
871 | ID-FORMAT if you use the returned uid or gid. | |
872 | ||
873 | Elements of the attribute list are: | |
335c5470 PJ |
874 | 0. t for directory, string (name linked to) for symbolic link, or nil. |
875 | 1. Number of links to file. | |
0e6195ed LH |
876 | 2. File uid as a string or an integer. If a string value cannot be |
877 | looked up, the integer value is returned. | |
878 | 3. File gid, likewise. | |
335c5470 PJ |
879 | 4. Last access time, as a list of two integers. |
880 | First integer has high-order 16 bits of time, second has low 16 bits. | |
881 | 5. Last modification time, likewise. | |
882 | 6. Last status change time, likewise. | |
883 | 7. Size in bytes. | |
884 | This is a floating point number if the size is too large for an integer. | |
885 | 8. File modes, as a string of ten letters or dashes as in ls -l. | |
886 | 9. t iff file's gid would change if file were deleted and recreated. | |
887 | 10. inode number. If inode number is larger than the Emacs integer, | |
888 | this is a cons cell containing two integers: first the high part, | |
889 | then the low 16 bits. | |
890 | 11. Device number. If it is larger than the Emacs integer, this is | |
0e6195ed LH |
891 | a cons cell, similar to the inode number. */) |
892 | (filename, id_format) | |
893 | Lisp_Object filename, id_format; | |
14d55bce RS |
894 | { |
895 | Lisp_Object values[12]; | |
24c2a54f | 896 | Lisp_Object encoded; |
14d55bce | 897 | struct stat s; |
0e6195ed LH |
898 | struct passwd *pw; |
899 | struct group *gr; | |
0a974c85 | 900 | #if defined (BSD4_2) || defined (BSD4_3) |
b3edfc9b | 901 | Lisp_Object dirname; |
14d55bce | 902 | struct stat sdir; |
b3edfc9b | 903 | #endif |
14d55bce | 904 | char modes[10]; |
32f4334d | 905 | Lisp_Object handler; |
7435aef8 | 906 | struct gcpro gcpro1; |
14d55bce RS |
907 | |
908 | filename = Fexpand_file_name (filename, Qnil); | |
32f4334d RS |
909 | |
910 | /* If the file name has special constructs in it, | |
911 | call the corresponding file handler. */ | |
a617e913 | 912 | handler = Ffind_file_name_handler (filename, Qfile_attributes); |
32f4334d | 913 | if (!NILP (handler)) |
d8e18df7 SM |
914 | { /* Only pass the extra arg if it is used to help backward compatibility |
915 | with old file handlers which do not implement the new arg. --Stef */ | |
916 | if (NILP (id_format)) | |
917 | return call2 (handler, Qfile_attributes, filename); | |
918 | else | |
919 | return call3 (handler, Qfile_attributes, filename, id_format); | |
920 | } | |
32f4334d | 921 | |
7435aef8 | 922 | GCPRO1 (filename); |
24c2a54f | 923 | encoded = ENCODE_FILE (filename); |
7435aef8 | 924 | UNGCPRO; |
24c2a54f | 925 | |
d5db4077 | 926 | if (lstat (SDATA (encoded), &s) < 0) |
14d55bce RS |
927 | return Qnil; |
928 | ||
929 | switch (s.st_mode & S_IFMT) | |
930 | { | |
931 | default: | |
932 | values[0] = Qnil; break; | |
933 | case S_IFDIR: | |
934 | values[0] = Qt; break; | |
935 | #ifdef S_IFLNK | |
936 | case S_IFLNK: | |
937 | values[0] = Ffile_symlink_p (filename); break; | |
938 | #endif | |
939 | } | |
940 | values[1] = make_number (s.st_nlink); | |
0e6195ed LH |
941 | if (NILP (id_format) || EQ (id_format, Qinteger)) |
942 | { | |
943 | values[2] = make_number (s.st_uid); | |
944 | values[3] = make_number (s.st_gid); | |
945 | } | |
946 | else | |
947 | { | |
948 | pw = (struct passwd *) getpwuid (s.st_uid); | |
45c7d781 | 949 | values[2] = (pw ? build_string (pw->pw_name) : make_number (s.st_uid)); |
0e6195ed | 950 | gr = (struct group *) getgrgid (s.st_gid); |
45c7d781 | 951 | values[3] = (gr ? build_string (gr->gr_name) : make_number (s.st_gid)); |
0e6195ed | 952 | } |
14d55bce RS |
953 | values[4] = make_time (s.st_atime); |
954 | values[5] = make_time (s.st_mtime); | |
955 | values[6] = make_time (s.st_ctime); | |
68c45bf0 | 956 | values[7] = make_number (s.st_size); |
cb1846b4 | 957 | /* If the size is out of range for an integer, return a float. */ |
60fc6069 | 958 | if (XINT (values[7]) != s.st_size) |
cb1846b4 | 959 | values[7] = make_float ((double)s.st_size); |
4bc12672 JR |
960 | /* If the size is negative, and its type is long, convert it back to |
961 | positive. */ | |
962 | if (s.st_size < 0 && sizeof (s.st_size) == sizeof (long)) | |
963 | values[7] = make_float ((double) ((unsigned long) s.st_size)); | |
964 | ||
14d55bce RS |
965 | filemodestring (&s, modes); |
966 | values[8] = make_string (modes, 10); | |
0a974c85 | 967 | #if defined (BSD4_2) || defined (BSD4_3) /* file gid will be dir gid */ |
14d55bce | 968 | dirname = Ffile_name_directory (filename); |
24c2a54f RS |
969 | if (! NILP (dirname)) |
970 | encoded = ENCODE_FILE (dirname); | |
d5db4077 | 971 | if (! NILP (dirname) && stat (SDATA (encoded), &sdir) == 0) |
14d55bce RS |
972 | values[9] = (sdir.st_gid != s.st_gid) ? Qt : Qnil; |
973 | else /* if we can't tell, assume worst */ | |
974 | values[9] = Qt; | |
975 | #else /* file gid will be egid */ | |
976 | values[9] = (s.st_gid != getegid ()) ? Qt : Qnil; | |
977 | #endif /* BSD4_2 (or BSD4_3) */ | |
f8edfd76 | 978 | if (FIXNUM_OVERFLOW_P (s.st_ino)) |
4c637faa RS |
979 | /* To allow inode numbers larger than VALBITS, separate the bottom |
980 | 16 bits. */ | |
981 | values[10] = Fcons (make_number (s.st_ino >> 16), | |
982 | make_number (s.st_ino & 0xffff)); | |
983 | else | |
984 | /* But keep the most common cases as integers. */ | |
985 | values[10] = make_number (s.st_ino); | |
68c45bf0 PE |
986 | |
987 | /* Likewise for device. */ | |
f8edfd76 | 988 | if (FIXNUM_OVERFLOW_P (s.st_dev)) |
68c45bf0 PE |
989 | values[11] = Fcons (make_number (s.st_dev >> 16), |
990 | make_number (s.st_dev & 0xffff)); | |
991 | else | |
992 | values[11] = make_number (s.st_dev); | |
993 | ||
14d55bce RS |
994 | return Flist (sizeof(values) / sizeof(values[0]), values); |
995 | } | |
4424b255 GV |
996 | |
997 | DEFUN ("file-attributes-lessp", Ffile_attributes_lessp, Sfile_attributes_lessp, 2, 2, 0, | |
335c5470 PJ |
998 | doc: /* Return t if first arg file attributes list is less than second. |
999 | Comparison is in lexicographic order and case is significant. */) | |
1000 | (f1, f2) | |
4424b255 GV |
1001 | Lisp_Object f1, f2; |
1002 | { | |
1003 | return Fstring_lessp (Fcar (f1), Fcar (f2)); | |
1004 | } | |
14d55bce | 1005 | \f |
dfcf069d | 1006 | void |
14d55bce RS |
1007 | syms_of_dired () |
1008 | { | |
32f4334d | 1009 | Qdirectory_files = intern ("directory-files"); |
4424b255 | 1010 | Qdirectory_files_and_attributes = intern ("directory-files-and-attributes"); |
32f4334d RS |
1011 | Qfile_name_completion = intern ("file-name-completion"); |
1012 | Qfile_name_all_completions = intern ("file-name-all-completions"); | |
434e6714 | 1013 | Qfile_attributes = intern ("file-attributes"); |
4424b255 | 1014 | Qfile_attributes_lessp = intern ("file-attributes-lessp"); |
32f4334d | 1015 | |
a2d3836c | 1016 | staticpro (&Qdirectory_files); |
4424b255 | 1017 | staticpro (&Qdirectory_files_and_attributes); |
a2d3836c EN |
1018 | staticpro (&Qfile_name_completion); |
1019 | staticpro (&Qfile_name_all_completions); | |
1020 | staticpro (&Qfile_attributes); | |
4424b255 | 1021 | staticpro (&Qfile_attributes_lessp); |
a2d3836c | 1022 | |
14d55bce | 1023 | defsubr (&Sdirectory_files); |
4424b255 | 1024 | defsubr (&Sdirectory_files_and_attributes); |
14d55bce RS |
1025 | defsubr (&Sfile_name_completion); |
1026 | #ifdef VMS | |
1027 | defsubr (&Sfile_name_all_versions); | |
3ed991aa | 1028 | defsubr (&Sfile_version_limit); |
14d55bce RS |
1029 | #endif /* VMS */ |
1030 | defsubr (&Sfile_name_all_completions); | |
1031 | defsubr (&Sfile_attributes); | |
4424b255 | 1032 | defsubr (&Sfile_attributes_lessp); |
14d55bce RS |
1033 | |
1034 | #ifdef VMS | |
1035 | Qcompletion_ignore_case = intern ("completion-ignore-case"); | |
1036 | staticpro (&Qcompletion_ignore_case); | |
1037 | #endif /* VMS */ | |
1038 | ||
1039 | DEFVAR_LISP ("completion-ignored-extensions", &Vcompletion_ignored_extensions, | |
407a52c4 LT |
1040 | doc: /* Completion ignores file names ending in any string in this list. |
1041 | It does not ignore them if all possible completions end in one of | |
1042 | these strings or when displaying a list of completions. | |
1043 | It ignores directory names if they match any string in this list which | |
1044 | ends in a slash. */); | |
14d55bce RS |
1045 | Vcompletion_ignored_extensions = Qnil; |
1046 | } | |
ab5796a9 MB |
1047 | |
1048 | /* arch-tag: 1ac8deca-4d8f-4d41-ade9-089154d98c03 | |
1049 | (do not change this comment) */ |