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fb973e7f | 1 | /* Copyright (C) 1991,92,93,94,95,96,97,98 Free Software Foundation, Inc. |
28f540f4 | 2 | |
47707456 UD |
3 | This library is free software; you can redistribute it and/or |
4 | modify it under the terms of the GNU Library General Public License as | |
5 | published by the Free Software Foundation; either version 2 of the | |
6 | License, or (at your option) any later version. | |
28f540f4 | 7 | |
47707456 UD |
8 | This library is distributed in the hope that it will be useful, |
9 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
11 | Library General Public License for more details. | |
28f540f4 | 12 | |
47707456 UD |
13 | You should have received a copy of the GNU Library General Public |
14 | License along with this library; see the file COPYING.LIB. If not, | |
15 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
16 | Boston, MA 02111-1307, USA. */ | |
28f540f4 RM |
17 | |
18 | /* AIX requires this to be the first thing in the file. */ | |
dd7d45e8 | 19 | #if defined _AIX && !defined __GNUC__ |
28f540f4 RM |
20 | #pragma alloca |
21 | #endif | |
22 | ||
23 | #ifdef HAVE_CONFIG_H | |
61eb22d3 | 24 | # include <config.h> |
28f540f4 RM |
25 | #endif |
26 | ||
97aa195c RM |
27 | /* Enable GNU extensions in glob.h. */ |
28 | #ifndef _GNU_SOURCE | |
61eb22d3 | 29 | # define _GNU_SOURCE 1 |
97aa195c RM |
30 | #endif |
31 | ||
28f540f4 RM |
32 | #include <errno.h> |
33 | #include <sys/types.h> | |
bf3ccd1a | 34 | #include <sys/stat.h> |
28f540f4 | 35 | |
5ae9d168 UD |
36 | /* Outcomment the following line for production quality code. */ |
37 | /* #define NDEBUG 1 */ | |
38 | #include <assert.h> | |
39 | ||
ca34d7a7 UD |
40 | #include <stdio.h> /* Needed on stupid SunOS for assert. */ |
41 | ||
28f540f4 RM |
42 | |
43 | /* Comment out all this code if we are using the GNU C Library, and are not | |
44 | actually compiling the library itself. This code is part of the GNU C | |
45 | Library, but also included in many other GNU distributions. Compiling | |
46 | and linking in this code is a waste when using the GNU C library | |
47 | (especially if it is a shared library). Rather than having every GNU | |
48 | program understand `configure --with-gnu-libc' and omit the object files, | |
49 | it is simpler to just do this in the source for each such file. */ | |
50 | ||
787e4db9 | 51 | #define GLOB_INTERFACE_VERSION 1 |
61eb22d3 UD |
52 | #if !defined _LIBC && defined __GNU_LIBRARY__ && __GNU_LIBRARY__ > 1 |
53 | # include <gnu-versions.h> | |
54 | # if _GNU_GLOB_INTERFACE_VERSION == GLOB_INTERFACE_VERSION | |
55 | # define ELIDE_CODE | |
56 | # endif | |
787e4db9 | 57 | #endif |
28f540f4 | 58 | |
787e4db9 | 59 | #ifndef ELIDE_CODE |
28f540f4 | 60 | |
61eb22d3 UD |
61 | #if defined STDC_HEADERS || defined __GNU_LIBRARY__ |
62 | # include <stddef.h> | |
28f540f4 RM |
63 | #endif |
64 | ||
e4cf5070 | 65 | #if defined HAVE_UNISTD_H || defined _LIBC |
61eb22d3 UD |
66 | # include <unistd.h> |
67 | # ifndef POSIX | |
68 | # ifdef _POSIX_VERSION | |
69 | # define POSIX | |
70 | # endif | |
71 | # endif | |
28f540f4 RM |
72 | #endif |
73 | ||
61eb22d3 UD |
74 | #if !defined _AMIGA && !defined VMS && !defined WINDOWS32 |
75 | # include <pwd.h> | |
9fb16eea | 76 | #endif |
787e4db9 | 77 | |
61eb22d3 | 78 | #if !defined __GNU_LIBRARY__ && !defined STDC_HEADERS |
28f540f4 RM |
79 | extern int errno; |
80 | #endif | |
c4029823 | 81 | #ifndef __set_errno |
61eb22d3 | 82 | # define __set_errno(val) errno = (val) |
c4029823 | 83 | #endif |
28f540f4 RM |
84 | |
85 | #ifndef NULL | |
61eb22d3 | 86 | # define NULL 0 |
28f540f4 RM |
87 | #endif |
88 | ||
89 | ||
61eb22d3 | 90 | #if defined HAVE_DIRENT_H || defined __GNU_LIBRARY__ |
e9607dbe RM |
91 | # include <dirent.h> |
92 | # define NAMLEN(dirent) strlen((dirent)->d_name) | |
93 | #else | |
94 | # define dirent direct | |
95 | # define NAMLEN(dirent) (dirent)->d_namlen | |
96 | # ifdef HAVE_SYS_NDIR_H | |
97 | # include <sys/ndir.h> | |
98 | # endif | |
99 | # ifdef HAVE_SYS_DIR_H | |
100 | # include <sys/dir.h> | |
101 | # endif | |
102 | # ifdef HAVE_NDIR_H | |
103 | # include <ndir.h> | |
104 | # endif | |
0efef8fc RM |
105 | # ifdef HAVE_VMSDIR_H |
106 | # include "vmsdir.h" | |
107 | # endif /* HAVE_VMSDIR_H */ | |
e9607dbe RM |
108 | #endif |
109 | ||
110 | ||
111 | /* In GNU systems, <dirent.h> defines this macro for us. */ | |
112 | #ifdef _D_NAMLEN | |
61eb22d3 UD |
113 | # undef NAMLEN |
114 | # define NAMLEN(d) _D_NAMLEN(d) | |
e9607dbe RM |
115 | #endif |
116 | ||
1cab5444 UD |
117 | /* When used in the GNU libc the symbol _DIRENT_HAVE_D_TYPE is available |
118 | if the `d_type' member for `struct dirent' is available. */ | |
119 | #ifdef _DIRENT_HAVE_D_TYPE | |
120 | # define HAVE_D_TYPE 1 | |
121 | #endif | |
122 | ||
28f540f4 | 123 | |
61eb22d3 | 124 | #if (defined POSIX || defined WINDOWS32) && !defined __GNU_LIBRARY__ |
28f540f4 RM |
125 | /* Posix does not require that the d_ino field be present, and some |
126 | systems do not provide it. */ | |
61eb22d3 | 127 | # define REAL_DIR_ENTRY(dp) 1 |
28f540f4 | 128 | #else |
61eb22d3 | 129 | # define REAL_DIR_ENTRY(dp) (dp->d_ino != 0) |
28f540f4 RM |
130 | #endif /* POSIX */ |
131 | ||
61eb22d3 UD |
132 | #if defined STDC_HEADERS || defined __GNU_LIBRARY__ |
133 | # include <stdlib.h> | |
134 | # include <string.h> | |
135 | # define ANSI_STRING | |
28f540f4 RM |
136 | #else /* No standard headers. */ |
137 | ||
3be01400 RM |
138 | extern char *getenv (); |
139 | ||
61eb22d3 UD |
140 | # ifdef HAVE_STRING_H |
141 | # include <string.h> | |
142 | # define ANSI_STRING | |
143 | # else | |
144 | # include <strings.h> | |
145 | # endif | |
146 | # ifdef HAVE_MEMORY_H | |
147 | # include <memory.h> | |
148 | # endif | |
28f540f4 RM |
149 | |
150 | extern char *malloc (), *realloc (); | |
151 | extern void free (); | |
152 | ||
153 | extern void qsort (); | |
154 | extern void abort (), exit (); | |
155 | ||
156 | #endif /* Standard headers. */ | |
157 | ||
158 | #ifndef ANSI_STRING | |
159 | ||
61eb22d3 | 160 | # ifndef bzero |
28f540f4 | 161 | extern void bzero (); |
61eb22d3 UD |
162 | # endif |
163 | # ifndef bcopy | |
28f540f4 | 164 | extern void bcopy (); |
61eb22d3 | 165 | # endif |
28f540f4 | 166 | |
61eb22d3 UD |
167 | # define memcpy(d, s, n) bcopy ((s), (d), (n)) |
168 | # define strrchr rindex | |
28f540f4 | 169 | /* memset is only used for zero here, but let's be paranoid. */ |
61eb22d3 | 170 | # define memset(s, better_be_zero, n) \ |
28f540f4 RM |
171 | ((void) ((better_be_zero) == 0 ? (bzero((s), (n)), 0) : (abort(), 0))) |
172 | #endif /* Not ANSI_STRING. */ | |
173 | ||
5ae9d168 | 174 | #if !defined HAVE_STRCOLL && !defined _LIBC |
61eb22d3 | 175 | # define strcoll strcmp |
28f540f4 RM |
176 | #endif |
177 | ||
dd7d45e8 UD |
178 | #if !defined HAVE_MEMPCPY && __GLIBC__ - 0 == 2 && __GLIBC_MINOR__ >= 1 |
179 | # define HAVE_MEMPCPY 1 | |
180 | # define mempcpy(Dest, Src, Len) __mempcpy (Dest, Src, Len) | |
181 | #endif | |
182 | ||
28f540f4 RM |
183 | |
184 | #ifndef __GNU_LIBRARY__ | |
61eb22d3 | 185 | # ifdef __GNUC__ |
28f540f4 | 186 | __inline |
61eb22d3 UD |
187 | # endif |
188 | # ifndef __SASC | |
189 | # ifdef WINDOWS32 | |
ed30638a | 190 | static void * |
61eb22d3 | 191 | # else |
28f540f4 | 192 | static char * |
61eb22d3 | 193 | # endif |
28f540f4 RM |
194 | my_realloc (p, n) |
195 | char *p; | |
196 | unsigned int n; | |
197 | { | |
198 | /* These casts are the for sake of the broken Ultrix compiler, | |
199 | which warns of illegal pointer combinations otherwise. */ | |
200 | if (p == NULL) | |
201 | return (char *) malloc (n); | |
202 | return (char *) realloc (p, n); | |
203 | } | |
61eb22d3 UD |
204 | # define realloc my_realloc |
205 | # endif /* __SASC */ | |
9fb16eea | 206 | #endif /* __GNU_LIBRARY__ */ |
28f540f4 RM |
207 | |
208 | ||
61eb22d3 | 209 | #if !defined __alloca && !defined __GNU_LIBRARY__ |
28f540f4 | 210 | |
61eb22d3 UD |
211 | # ifdef __GNUC__ |
212 | # undef alloca | |
213 | # define alloca(n) __builtin_alloca (n) | |
214 | # else /* Not GCC. */ | |
215 | # ifdef HAVE_ALLOCA_H | |
216 | # include <alloca.h> | |
217 | # else /* Not HAVE_ALLOCA_H. */ | |
218 | # ifndef _AIX | |
219 | # ifdef WINDOWS32 | |
220 | # include <malloc.h> | |
221 | # else | |
28f540f4 | 222 | extern char *alloca (); |
61eb22d3 UD |
223 | # endif /* WINDOWS32 */ |
224 | # endif /* Not _AIX. */ | |
225 | # endif /* sparc or HAVE_ALLOCA_H. */ | |
226 | # endif /* GCC. */ | |
28f540f4 | 227 | |
61eb22d3 | 228 | # define __alloca alloca |
28f540f4 RM |
229 | |
230 | #endif | |
231 | ||
bf3ccd1a | 232 | #ifndef __GNU_LIBRARY__ |
61eb22d3 UD |
233 | # define __stat stat |
234 | # ifdef STAT_MACROS_BROKEN | |
235 | # undef S_ISDIR | |
236 | # endif | |
237 | # ifndef S_ISDIR | |
238 | # define S_ISDIR(mode) (((mode) & S_IFMT) == S_IFDIR) | |
239 | # endif | |
bf3ccd1a RM |
240 | #endif |
241 | ||
50304ef0 | 242 | #ifdef _LIBC |
c9243dac | 243 | # define strdup(str) __strdup (str) |
50304ef0 UD |
244 | # define sysconf(id) __sysconf (id) |
245 | # define closedir(dir) __closedir (dir) | |
246 | # define opendir(name) __opendir (name) | |
247 | # define readdir(str) __readdir (str) | |
248 | #endif | |
249 | ||
61eb22d3 UD |
250 | #if !(defined STDC_HEADERS || defined __GNU_LIBRARY__) |
251 | # undef size_t | |
252 | # define size_t unsigned int | |
28f540f4 RM |
253 | #endif |
254 | ||
255 | /* Some system header files erroneously define these. | |
256 | We want our own definitions from <fnmatch.h> to take precedence. */ | |
d47aac39 UD |
257 | #ifndef __GNU_LIBRARY__ |
258 | # undef FNM_PATHNAME | |
259 | # undef FNM_NOESCAPE | |
260 | # undef FNM_PERIOD | |
261 | #endif | |
28f540f4 RM |
262 | #include <fnmatch.h> |
263 | ||
264 | /* Some system header files erroneously define these. | |
265 | We want our own definitions from <glob.h> to take precedence. */ | |
a53bad16 UD |
266 | #ifndef __GNU_LIBRARY__ |
267 | # undef GLOB_ERR | |
268 | # undef GLOB_MARK | |
269 | # undef GLOB_NOSORT | |
270 | # undef GLOB_DOOFFS | |
271 | # undef GLOB_NOCHECK | |
272 | # undef GLOB_APPEND | |
273 | # undef GLOB_NOESCAPE | |
274 | # undef GLOB_PERIOD | |
275 | #endif | |
28f540f4 RM |
276 | #include <glob.h> |
277 | \f | |
f41c8091 UD |
278 | static |
279 | #if __GNUC__ - 0 >= 2 | |
280 | inline | |
281 | #endif | |
282 | const char *next_brace_sub __P ((const char *begin)); | |
28f540f4 RM |
283 | static int glob_in_dir __P ((const char *pattern, const char *directory, |
284 | int flags, | |
285 | int (*errfunc) __P ((const char *, int)), | |
286 | glob_t *pglob)); | |
287 | static int prefix_array __P ((const char *prefix, char **array, size_t n)); | |
288 | static int collated_compare __P ((const __ptr_t, const __ptr_t)); | |
289 | ||
5ae9d168 UD |
290 | |
291 | /* Find the end of the sub-pattern in a brace expression. We define | |
292 | this as an inline function if the compiler permits. */ | |
293 | static | |
294 | #if __GNUC__ - 0 >= 2 | |
295 | inline | |
296 | #endif | |
297 | const char * | |
ca34d7a7 UD |
298 | next_brace_sub (begin) |
299 | const char *begin; | |
5ae9d168 UD |
300 | { |
301 | unsigned int depth = 0; | |
302 | const char *cp = begin; | |
303 | ||
304 | while (1) | |
305 | { | |
306 | if (depth == 0) | |
307 | { | |
308 | if (*cp != ',' && *cp != '}' && *cp != '\0') | |
309 | { | |
310 | if (*cp == '{') | |
311 | ++depth; | |
312 | ++cp; | |
313 | continue; | |
314 | } | |
315 | } | |
316 | else | |
317 | { | |
318 | while (*cp != '\0' && (*cp != '}' || depth > 0)) | |
319 | { | |
320 | if (*cp == '}') | |
e7fd8a39 | 321 | --depth; |
5ae9d168 UD |
322 | ++cp; |
323 | } | |
324 | if (*cp == '\0') | |
325 | /* An incorrectly terminated brace expression. */ | |
326 | return NULL; | |
327 | ||
328 | continue; | |
329 | } | |
330 | break; | |
331 | } | |
332 | ||
333 | return cp; | |
334 | } | |
335 | ||
28f540f4 RM |
336 | /* Do glob searching for PATTERN, placing results in PGLOB. |
337 | The bits defined above may be set in FLAGS. | |
338 | If a directory cannot be opened or read and ERRFUNC is not nil, | |
339 | it is called with the pathname that caused the error, and the | |
340 | `errno' value from the failing call; if it returns non-zero | |
714a562f | 341 | `glob' returns GLOB_ABORTED; if it returns zero, the error is ignored. |
28f540f4 RM |
342 | If memory cannot be allocated for PGLOB, GLOB_NOSPACE is returned. |
343 | Otherwise, `glob' returns zero. */ | |
344 | int | |
345 | glob (pattern, flags, errfunc, pglob) | |
346 | const char *pattern; | |
347 | int flags; | |
348 | int (*errfunc) __P ((const char *, int)); | |
349 | glob_t *pglob; | |
350 | { | |
351 | const char *filename; | |
352 | char *dirname; | |
353 | size_t dirlen; | |
354 | int status; | |
355 | int oldcount; | |
356 | ||
357 | if (pattern == NULL || pglob == NULL || (flags & ~__GLOB_FLAGS) != 0) | |
358 | { | |
c4029823 | 359 | __set_errno (EINVAL); |
28f540f4 RM |
360 | return -1; |
361 | } | |
362 | ||
787e4db9 RM |
363 | if (flags & GLOB_BRACE) |
364 | { | |
365 | const char *begin = strchr (pattern, '{'); | |
366 | if (begin != NULL) | |
367 | { | |
5ae9d168 UD |
368 | /* Allocate working buffer large enough for our work. Note that |
369 | we have at least an opening and closing brace. */ | |
6025c399 | 370 | int firstc; |
5ae9d168 UD |
371 | char *alt_start; |
372 | const char *p; | |
373 | const char *next; | |
374 | const char *rest; | |
375 | size_t rest_len; | |
376 | #ifdef __GNUC__ | |
377 | char onealt[strlen (pattern) - 1]; | |
378 | #else | |
379 | char *onealt = (char *) malloc (strlen (pattern) - 1); | |
380 | if (onealt == NULL) | |
381 | { | |
382 | if (!(flags & GLOB_APPEND)) | |
383 | globfree (pglob); | |
384 | return GLOB_NOSPACE; | |
385 | } | |
386 | #endif | |
387 | ||
388 | /* We know the prefix for all sub-patterns. */ | |
86187531 UD |
389 | #ifdef HAVE_MEMPCPY |
390 | alt_start = mempcpy (onealt, pattern, begin - pattern); | |
391 | #else | |
5ae9d168 UD |
392 | memcpy (onealt, pattern, begin - pattern); |
393 | alt_start = &onealt[begin - pattern]; | |
86187531 | 394 | #endif |
5ae9d168 UD |
395 | |
396 | /* Find the first sub-pattern and at the same time find the | |
397 | rest after the closing brace. */ | |
398 | next = next_brace_sub (begin + 1); | |
399 | if (next == NULL) | |
787e4db9 | 400 | { |
5ae9d168 UD |
401 | /* It is an illegal expression. */ |
402 | #ifndef __GNUC__ | |
403 | free (onealt); | |
404 | #endif | |
405 | return glob (pattern, flags & ~GLOB_BRACE, errfunc, pglob); | |
406 | } | |
407 | ||
408 | /* Now find the end of the whole brace expression. */ | |
409 | rest = next; | |
410 | while (*rest != '}') | |
411 | { | |
412 | rest = next_brace_sub (rest + 1); | |
413 | if (rest == NULL) | |
787e4db9 | 414 | { |
5ae9d168 UD |
415 | /* It is an illegal expression. */ |
416 | #ifndef __GNUC__ | |
417 | free (onealt); | |
418 | #endif | |
419 | return glob (pattern, flags & ~GLOB_BRACE, errfunc, pglob); | |
6025c399 | 420 | } |
6025c399 | 421 | } |
5ae9d168 UD |
422 | /* Please note that we now can be sure the brace expression |
423 | is well-formed. */ | |
424 | rest_len = strlen (++rest) + 1; | |
6025c399 RM |
425 | |
426 | /* We have a brace expression. BEGIN points to the opening {, | |
427 | NEXT points past the terminator of the first element, and END | |
428 | points past the final }. We will accumulate result names from | |
429 | recursive runs for each brace alternative in the buffer using | |
430 | GLOB_APPEND. */ | |
431 | ||
432 | if (!(flags & GLOB_APPEND)) | |
433 | { | |
434 | /* This call is to set a new vector, so clear out the | |
435 | vector so we can append to it. */ | |
436 | pglob->gl_pathc = 0; | |
437 | pglob->gl_pathv = NULL; | |
438 | } | |
439 | firstc = pglob->gl_pathc; | |
440 | ||
6025c399 RM |
441 | p = begin + 1; |
442 | while (1) | |
443 | { | |
6025c399 | 444 | int result; |
5ae9d168 UD |
445 | |
446 | /* Construct the new glob expression. */ | |
dd7d45e8 UD |
447 | #ifdef HAVE_MEMPCPY |
448 | mempcpy (mempcpy (alt_start, p, next - p), rest, rest_len); | |
449 | #else | |
5ae9d168 UD |
450 | memcpy (alt_start, p, next - p); |
451 | memcpy (&alt_start[next - p], rest, rest_len); | |
dd7d45e8 | 452 | #endif |
5ae9d168 | 453 | |
6025c399 | 454 | result = glob (onealt, |
5ae9d168 UD |
455 | ((flags & ~(GLOB_NOCHECK|GLOB_NOMAGIC)) |
456 | | GLOB_APPEND), errfunc, pglob); | |
6025c399 RM |
457 | |
458 | /* If we got an error, return it. */ | |
459 | if (result && result != GLOB_NOMATCH) | |
787e4db9 | 460 | { |
5ae9d168 UD |
461 | #ifndef __GNUC__ |
462 | free (onealt); | |
463 | #endif | |
6025c399 RM |
464 | if (!(flags & GLOB_APPEND)) |
465 | globfree (pglob); | |
466 | return result; | |
467 | } | |
468 | ||
5ae9d168 UD |
469 | if (*next == '}') |
470 | /* We saw the last entry. */ | |
471 | break; | |
472 | ||
473 | p = next + 1; | |
474 | next = next_brace_sub (p); | |
475 | assert (next != NULL); | |
787e4db9 | 476 | } |
6025c399 | 477 | |
5ae9d168 UD |
478 | #ifndef __GNUC__ |
479 | free (onealt); | |
480 | #endif | |
481 | ||
482 | if (pglob->gl_pathc != firstc) | |
483 | /* We found some entries. */ | |
484 | return 0; | |
485 | else if (!(flags & (GLOB_NOCHECK|GLOB_NOMAGIC))) | |
6025c399 | 486 | return GLOB_NOMATCH; |
787e4db9 RM |
487 | } |
488 | } | |
489 | ||
28f540f4 RM |
490 | /* Find the filename. */ |
491 | filename = strrchr (pattern, '/'); | |
492 | if (filename == NULL) | |
493 | { | |
6c202c68 UD |
494 | /* This can mean two things: a simple name or "~name". The later |
495 | case is nothing but a notation for a directory. */ | |
1bc21e7a | 496 | if ((flags & (GLOB_TILDE|GLOB_TILDE_CHECK)) && pattern[0] == '~') |
6c202c68 | 497 | { |
c9243dac | 498 | dirname = (char *) pattern; |
6c202c68 UD |
499 | dirlen = strlen (pattern); |
500 | ||
c9243dac UD |
501 | /* Set FILENAME to NULL as a special flag. This is ugly but |
502 | other solutions would requiremuch more code. We test for | |
503 | this special case below. */ | |
504 | filename = NULL; | |
6c202c68 UD |
505 | } |
506 | else | |
507 | { | |
508 | filename = pattern; | |
9fb16eea | 509 | #ifdef _AMIGA |
6c202c68 | 510 | dirname = (char *) ""; |
9fb16eea | 511 | #else |
6c202c68 | 512 | dirname = (char *) "."; |
9fb16eea | 513 | #endif |
6c202c68 UD |
514 | dirlen = 0; |
515 | } | |
28f540f4 RM |
516 | } |
517 | else if (filename == pattern) | |
518 | { | |
519 | /* "/pattern". */ | |
520 | dirname = (char *) "/"; | |
521 | dirlen = 1; | |
522 | ++filename; | |
523 | } | |
524 | else | |
525 | { | |
526 | dirlen = filename - pattern; | |
527 | dirname = (char *) __alloca (dirlen + 1); | |
dd7d45e8 UD |
528 | #ifdef HAVE_MEMPCPY |
529 | *((char *) mempcpy (dirname, pattern, dirlen)) = '\0'; | |
530 | #else | |
28f540f4 RM |
531 | memcpy (dirname, pattern, dirlen); |
532 | dirname[dirlen] = '\0'; | |
dd7d45e8 | 533 | #endif |
28f540f4 | 534 | ++filename; |
28f540f4 | 535 | |
6c202c68 UD |
536 | if (filename[0] == '\0' && dirlen > 1) |
537 | /* "pattern/". Expand "pattern", appending slashes. */ | |
538 | { | |
539 | int val = glob (dirname, flags | GLOB_MARK, errfunc, pglob); | |
540 | if (val == 0) | |
541 | pglob->gl_flags = ((pglob->gl_flags & ~GLOB_MARK) | |
542 | | (flags & GLOB_MARK)); | |
543 | return val; | |
544 | } | |
28f540f4 RM |
545 | } |
546 | ||
547 | if (!(flags & GLOB_APPEND)) | |
548 | { | |
549 | pglob->gl_pathc = 0; | |
550 | pglob->gl_pathv = NULL; | |
551 | } | |
552 | ||
553 | oldcount = pglob->gl_pathc; | |
554 | ||
0efef8fc | 555 | #ifndef VMS |
1bc21e7a | 556 | if ((flags & (GLOB_TILDE|GLOB_TILDE_CHECK)) && dirname[0] == '~') |
787e4db9 | 557 | { |
5ae9d168 | 558 | if (dirname[1] == '\0' || dirname[1] == '/') |
787e4db9 RM |
559 | { |
560 | /* Look up home directory. */ | |
5ae9d168 | 561 | char *home_dir = getenv ("HOME"); |
61eb22d3 | 562 | # ifdef _AMIGA |
5ae9d168 UD |
563 | if (home_dir == NULL || home_dir[0] == '\0') |
564 | home_dir = "SYS:"; | |
61eb22d3 UD |
565 | # else |
566 | # ifdef WINDOWS32 | |
5ae9d168 UD |
567 | if (home_dir == NULL || home_dir[0] == '\0') |
568 | home_dir = "c:/users/default"; /* poor default */ | |
61eb22d3 | 569 | # else |
5ae9d168 | 570 | if (home_dir == NULL || home_dir[0] == '\0') |
787e4db9 | 571 | { |
e4cf5070 | 572 | int success; |
61eb22d3 | 573 | # if defined HAVE_GETLOGIN_R || defined _LIBC |
ca34d7a7 | 574 | extern int getlogin_r __P ((char *, size_t)); |
e4cf5070 UD |
575 | size_t buflen = sysconf (_SC_LOGIN_NAME_MAX) + 1; |
576 | char *name; | |
577 | ||
578 | if (buflen == 0) | |
579 | /* `sysconf' does not support _SC_LOGIN_NAME_MAX. Try | |
580 | a moderate value. */ | |
581 | buflen = 16; | |
ca34d7a7 | 582 | name = (char *) __alloca (buflen); |
e4cf5070 UD |
583 | |
584 | success = getlogin_r (name, buflen) >= 0; | |
61eb22d3 | 585 | # else |
ca34d7a7 | 586 | extern char *getlogin __P ((void)); |
e4cf5070 | 587 | char *name; |
ca34d7a7 | 588 | |
e4cf5070 | 589 | success = (name = getlogin ()) != NULL; |
61eb22d3 | 590 | # endif |
e4cf5070 | 591 | if (success) |
787e4db9 | 592 | { |
61eb22d3 | 593 | # if defined HAVE_GETPWNAM_R || defined _LIBC |
e4cf5070 UD |
594 | size_t pwbuflen = sysconf (_SC_GETPW_R_SIZE_MAX); |
595 | char *pwtmpbuf; | |
596 | struct passwd pwbuf, *p; | |
597 | ||
ca34d7a7 | 598 | pwtmpbuf = (char *) __alloca (pwbuflen); |
e4cf5070 UD |
599 | |
600 | success = (__getpwnam_r (name, &pwbuf, pwtmpbuf, | |
601 | pwbuflen, &p) >= 0); | |
61eb22d3 | 602 | # else |
787e4db9 | 603 | struct passwd *p = getpwnam (name); |
e4cf5070 | 604 | success = p != NULL; |
61eb22d3 | 605 | # endif |
e4cf5070 | 606 | if (success) |
5ae9d168 | 607 | home_dir = p->pw_dir; |
787e4db9 RM |
608 | } |
609 | } | |
5ae9d168 | 610 | if (home_dir == NULL || home_dir[0] == '\0') |
1bc21e7a UD |
611 | if (flags & GLOB_TILDE_CHECK) |
612 | return GLOB_NOMATCH; | |
613 | else | |
614 | home_dir = (char *) "~"; /* No luck. */ | |
61eb22d3 UD |
615 | # endif /* WINDOWS32 */ |
616 | # endif | |
5ae9d168 UD |
617 | /* Now construct the full directory. */ |
618 | if (dirname[1] == '\0') | |
619 | dirname = home_dir; | |
620 | else | |
621 | { | |
622 | char *newp; | |
623 | size_t home_len = strlen (home_dir); | |
ca34d7a7 | 624 | newp = (char *) __alloca (home_len + dirlen); |
dd7d45e8 UD |
625 | # ifdef HAVE_MEMPCPY |
626 | mempcpy (mempcpy (newp, home_dir, home_len), | |
627 | &dirname[1], dirlen); | |
628 | # else | |
5ae9d168 UD |
629 | memcpy (newp, home_dir, home_len); |
630 | memcpy (&newp[home_len], &dirname[1], dirlen); | |
dd7d45e8 | 631 | # endif |
5ae9d168 UD |
632 | dirname = newp; |
633 | } | |
787e4db9 | 634 | } |
61eb22d3 | 635 | # if !defined _AMIGA && !defined WINDOWS32 |
787e4db9 RM |
636 | else |
637 | { | |
5ae9d168 UD |
638 | char *end_name = strchr (dirname, '/'); |
639 | char *user_name; | |
640 | char *home_dir; | |
641 | ||
642 | if (end_name == NULL) | |
643 | user_name = dirname + 1; | |
644 | else | |
645 | { | |
ca34d7a7 | 646 | user_name = (char *) __alloca (end_name - dirname); |
dd7d45e8 UD |
647 | # ifdef HAVE_MEMPCPY |
648 | *((char *) mempcpy (user_name, dirname + 1, end_name - dirname)) | |
649 | = '\0'; | |
650 | # else | |
5ae9d168 UD |
651 | memcpy (user_name, dirname + 1, end_name - dirname); |
652 | user_name[end_name - dirname - 1] = '\0'; | |
dd7d45e8 | 653 | # endif |
5ae9d168 UD |
654 | } |
655 | ||
787e4db9 | 656 | /* Look up specific user's home directory. */ |
5ae9d168 | 657 | { |
61eb22d3 | 658 | # if defined HAVE_GETPWNAM_R || defined _LIBC |
5ae9d168 | 659 | size_t buflen = sysconf (_SC_GETPW_R_SIZE_MAX); |
ca34d7a7 | 660 | char *pwtmpbuf = (char *) __alloca (buflen); |
5ae9d168 UD |
661 | struct passwd pwbuf, *p; |
662 | if (__getpwnam_r (user_name, &pwbuf, pwtmpbuf, buflen, &p) >= 0) | |
663 | home_dir = p->pw_dir; | |
664 | else | |
665 | home_dir = NULL; | |
61eb22d3 | 666 | # else |
5ae9d168 UD |
667 | struct passwd *p = getpwnam (user_name); |
668 | if (p != NULL) | |
669 | home_dir = p->pw_dir; | |
670 | else | |
671 | home_dir = NULL; | |
61eb22d3 | 672 | # endif |
5ae9d168 UD |
673 | } |
674 | /* If we found a home directory use this. */ | |
675 | if (home_dir != NULL) | |
676 | { | |
677 | char *newp; | |
678 | size_t home_len = strlen (home_dir); | |
679 | size_t rest_len = end_name == NULL ? 0 : strlen (end_name); | |
ca34d7a7 | 680 | newp = (char *) __alloca (home_len + rest_len + 1); |
dd7d45e8 UD |
681 | # ifdef HAVE_MEMPCPY |
682 | *((char *) mempcpy (mempcpy (newp, home_dir, home_len), | |
683 | end_name, rest_len)) = '\0'; | |
684 | # else | |
5ae9d168 UD |
685 | memcpy (newp, home_dir, home_len); |
686 | memcpy (&newp[home_len], end_name, rest_len); | |
687 | newp[home_len + rest_len] = '\0'; | |
dd7d45e8 | 688 | # endif |
5ae9d168 UD |
689 | dirname = newp; |
690 | } | |
1bc21e7a UD |
691 | else |
692 | if (flags & GLOB_TILDE_CHECK) | |
693 | /* We have to regard it as an error if we cannot find the | |
694 | home directory. */ | |
695 | return GLOB_NOMATCH; | |
787e4db9 | 696 | } |
61eb22d3 | 697 | # endif /* Not Amiga && not WINDOWS32. */ |
787e4db9 | 698 | } |
0efef8fc | 699 | #endif /* Not VMS. */ |
787e4db9 | 700 | |
c9243dac UD |
701 | /* Now test whether we looked for "~" or "~NAME". In this case we |
702 | can give the answer now. */ | |
703 | if (filename == NULL) | |
704 | { | |
705 | struct stat st; | |
706 | ||
707 | /* Return the directory if we don't check for error or if it exists. */ | |
708 | if ((flags & GLOB_NOCHECK) | |
709 | || (((flags & GLOB_ALTDIRFUNC) | |
710 | ? (*pglob->gl_stat) (dirname, &st) | |
711 | : __stat (dirname, &st)) == 0 | |
712 | && S_ISDIR (st.st_mode))) | |
713 | { | |
714 | pglob->gl_pathv | |
715 | = (char **) realloc (pglob->gl_pathv, | |
716 | (pglob->gl_pathc + | |
717 | ((flags & GLOB_DOOFFS) ? | |
718 | pglob->gl_offs : 0) + | |
719 | 1 + 1) * | |
720 | sizeof (char *)); | |
721 | if (pglob->gl_pathv == NULL) | |
722 | return GLOB_NOSPACE; | |
723 | ||
724 | if (flags & GLOB_DOOFFS) | |
725 | while (pglob->gl_pathc < pglob->gl_offs) | |
726 | pglob->gl_pathv[pglob->gl_pathc++] = NULL; | |
727 | ||
728 | #if defined HAVE_STRDUP || defined _LIBC | |
729 | pglob->gl_pathv[pglob->gl_pathc] = strdup (dirname); | |
730 | #else | |
731 | { | |
732 | size_t len = strlen (dirname) + 1; | |
733 | char *dircopy = malloc (len); | |
734 | if (dircopy != NULL) | |
735 | pglob->gl_pathv[pglob->gl_pathc] = memcpy (dircopy, dirname, | |
736 | len); | |
737 | } | |
738 | #endif | |
739 | if (pglob->gl_pathv[pglob->gl_pathc] == NULL) | |
740 | { | |
741 | free (pglob->gl_pathv); | |
742 | return GLOB_NOSPACE; | |
743 | } | |
744 | pglob->gl_pathv[++pglob->gl_pathc] = NULL; | |
745 | pglob->gl_flags = flags; | |
746 | ||
747 | return 0; | |
748 | } | |
749 | ||
750 | /* Not found. */ | |
751 | return GLOB_NOMATCH; | |
752 | } | |
753 | ||
e7fd8a39 | 754 | if (__glob_pattern_p (dirname, !(flags & GLOB_NOESCAPE))) |
28f540f4 RM |
755 | { |
756 | /* The directory name contains metacharacters, so we | |
757 | have to glob for the directory, and then glob for | |
758 | the pattern in each directory found. */ | |
759 | glob_t dirs; | |
760 | register int i; | |
761 | ||
762 | status = glob (dirname, | |
1cab5444 UD |
763 | ((flags & (GLOB_ERR | GLOB_NOCHECK | GLOB_NOESCAPE)) |
764 | | GLOB_NOSORT | GLOB_ONLYDIR), | |
28f540f4 RM |
765 | errfunc, &dirs); |
766 | if (status != 0) | |
767 | return status; | |
768 | ||
769 | /* We have successfully globbed the preceding directory name. | |
770 | For each name we found, call glob_in_dir on it and FILENAME, | |
771 | appending the results to PGLOB. */ | |
772 | for (i = 0; i < dirs.gl_pathc; ++i) | |
773 | { | |
cc60175e | 774 | int old_pathc; |
28f540f4 RM |
775 | |
776 | #ifdef SHELL | |
777 | { | |
778 | /* Make globbing interruptible in the bash shell. */ | |
779 | extern int interrupt_state; | |
780 | ||
781 | if (interrupt_state) | |
782 | { | |
783 | globfree (&dirs); | |
784 | globfree (&files); | |
714a562f | 785 | return GLOB_ABORTED; |
28f540f4 RM |
786 | } |
787 | } | |
788 | #endif /* SHELL. */ | |
789 | ||
cc60175e | 790 | old_pathc = pglob->gl_pathc; |
28f540f4 | 791 | status = glob_in_dir (filename, dirs.gl_pathv[i], |
1cab5444 UD |
792 | ((flags | GLOB_APPEND) |
793 | & ~(GLOB_NOCHECK | GLOB_ERR)), | |
28f540f4 RM |
794 | errfunc, pglob); |
795 | if (status == GLOB_NOMATCH) | |
796 | /* No matches in this directory. Try the next. */ | |
797 | continue; | |
798 | ||
799 | if (status != 0) | |
800 | { | |
801 | globfree (&dirs); | |
802 | globfree (pglob); | |
803 | return status; | |
804 | } | |
805 | ||
806 | /* Stick the directory on the front of each name. */ | |
807 | if (prefix_array (dirs.gl_pathv[i], | |
cc60175e UD |
808 | &pglob->gl_pathv[old_pathc], |
809 | pglob->gl_pathc - old_pathc)) | |
28f540f4 RM |
810 | { |
811 | globfree (&dirs); | |
812 | globfree (pglob); | |
813 | return GLOB_NOSPACE; | |
814 | } | |
815 | } | |
816 | ||
817 | flags |= GLOB_MAGCHAR; | |
818 | ||
e852e889 UD |
819 | /* We have ignored the GLOB_NOCHECK flag in the `glob_in_dir' calls. |
820 | But if we have not found any matching entry and thie GLOB_NOCHECK | |
821 | flag was set we must return the list consisting of the disrectory | |
822 | names followed by the filename. */ | |
28f540f4 RM |
823 | if (pglob->gl_pathc == oldcount) |
824 | /* No matches. */ | |
825 | if (flags & GLOB_NOCHECK) | |
826 | { | |
e852e889 UD |
827 | size_t filename_len = strlen (filename) + 1; |
828 | char **new_pathv; | |
829 | struct stat st; | |
28f540f4 | 830 | |
e852e889 | 831 | /* This is an pessimistic guess about the size. */ |
28f540f4 RM |
832 | pglob->gl_pathv |
833 | = (char **) realloc (pglob->gl_pathv, | |
834 | (pglob->gl_pathc + | |
835 | ((flags & GLOB_DOOFFS) ? | |
836 | pglob->gl_offs : 0) + | |
e852e889 | 837 | dirs.gl_pathc + 1) * |
28f540f4 RM |
838 | sizeof (char *)); |
839 | if (pglob->gl_pathv == NULL) | |
840 | { | |
e852e889 | 841 | globfree (&dirs); |
28f540f4 RM |
842 | return GLOB_NOSPACE; |
843 | } | |
844 | ||
845 | if (flags & GLOB_DOOFFS) | |
846 | while (pglob->gl_pathc < pglob->gl_offs) | |
847 | pglob->gl_pathv[pglob->gl_pathc++] = NULL; | |
848 | ||
e852e889 UD |
849 | for (i = 0; i < dirs.gl_pathc; ++i) |
850 | { | |
851 | const char *dir = dirs.gl_pathv[i]; | |
852 | size_t dir_len = strlen (dir); | |
853 | ||
854 | /* First check whether this really is a directory. */ | |
855 | if (((flags & GLOB_ALTDIRFUNC) | |
856 | ? (*pglob->gl_stat) (dir, &st) : __stat (dir, &st)) != 0 | |
857 | || !S_ISDIR (st.st_mode)) | |
858 | /* No directory, ignore this entry. */ | |
859 | continue; | |
860 | ||
861 | pglob->gl_pathv[pglob->gl_pathc] = malloc (dir_len + 1 | |
862 | + filename_len); | |
863 | if (pglob->gl_pathv[pglob->gl_pathc] == NULL) | |
864 | { | |
865 | globfree (&dirs); | |
866 | globfree (pglob); | |
867 | return GLOB_NOSPACE; | |
868 | } | |
869 | ||
870 | #ifdef HAVE_MEMPCPY | |
871 | mempcpy (mempcpy (mempcpy (pglob->gl_pathv[pglob->gl_pathc], | |
872 | dir, dir_len), | |
873 | "/", 1), | |
874 | filename, filename_len); | |
875 | #else | |
876 | memcpy (pglob->gl_pathv[pglob->gl_pathc], dir, dir_len); | |
877 | pglob->gl_pathv[pglob->gl_pathc][dir_len] = '/'; | |
878 | memcpy (&pglob->gl_pathv[pglob->gl_pathc][dir_len + 1], | |
879 | filename, filename_len); | |
880 | #endif | |
881 | ++pglob->gl_pathc; | |
882 | } | |
883 | ||
28f540f4 RM |
884 | pglob->gl_pathv[pglob->gl_pathc] = NULL; |
885 | pglob->gl_flags = flags; | |
e852e889 UD |
886 | |
887 | /* Now we know how large the gl_pathv vector must be. */ | |
888 | new_pathv = realloc (pglob->gl_pathv, | |
889 | (pglob->gl_pathc + 1) * sizeof (char *)); | |
890 | if (new_pathv != NULL) | |
891 | pglob->gl_pathv = new_pathv; | |
28f540f4 RM |
892 | } |
893 | else | |
894 | return GLOB_NOMATCH; | |
e852e889 UD |
895 | |
896 | globfree (&dirs); | |
28f540f4 RM |
897 | } |
898 | else | |
899 | { | |
900 | status = glob_in_dir (filename, dirname, flags, errfunc, pglob); | |
901 | if (status != 0) | |
902 | return status; | |
903 | ||
904 | if (dirlen > 0) | |
905 | { | |
906 | /* Stick the directory on the front of each name. */ | |
cc60175e UD |
907 | int ignore = oldcount; |
908 | ||
909 | if ((flags & GLOB_DOOFFS) && ignore < pglob->gl_offs) | |
910 | ignore = pglob->gl_offs; | |
911 | ||
28f540f4 | 912 | if (prefix_array (dirname, |
cc60175e UD |
913 | &pglob->gl_pathv[ignore], |
914 | pglob->gl_pathc - ignore)) | |
28f540f4 RM |
915 | { |
916 | globfree (pglob); | |
917 | return GLOB_NOSPACE; | |
918 | } | |
919 | } | |
920 | } | |
921 | ||
bf3ccd1a RM |
922 | if (flags & GLOB_MARK) |
923 | { | |
c043db7a | 924 | /* Append slashes to directory names. */ |
bf3ccd1a RM |
925 | int i; |
926 | struct stat st; | |
927 | for (i = oldcount; i < pglob->gl_pathc; ++i) | |
a9ddb793 UD |
928 | if (((flags & GLOB_ALTDIRFUNC) |
929 | ? (*pglob->gl_stat) (pglob->gl_pathv[i], &st) | |
930 | : __stat (pglob->gl_pathv[i], &st)) == 0 | |
931 | && S_ISDIR (st.st_mode)) | |
a993273c RM |
932 | { |
933 | size_t len = strlen (pglob->gl_pathv[i]) + 2; | |
934 | char *new = realloc (pglob->gl_pathv[i], len); | |
935 | if (new == NULL) | |
936 | { | |
937 | globfree (pglob); | |
938 | return GLOB_NOSPACE; | |
939 | } | |
940 | strcpy (&new[len - 2], "/"); | |
941 | pglob->gl_pathv[i] = new; | |
942 | } | |
bf3ccd1a RM |
943 | } |
944 | ||
28f540f4 | 945 | if (!(flags & GLOB_NOSORT)) |
cc60175e UD |
946 | { |
947 | /* Sort the vector. */ | |
948 | int non_sort = oldcount; | |
949 | ||
950 | if ((flags & GLOB_DOOFFS) && pglob->gl_offs > oldcount) | |
951 | non_sort = pglob->gl_offs; | |
952 | ||
953 | qsort ((__ptr_t) &pglob->gl_pathv[non_sort], | |
954 | pglob->gl_pathc - non_sort, | |
955 | sizeof (char *), collated_compare); | |
956 | } | |
28f540f4 RM |
957 | |
958 | return 0; | |
959 | } | |
960 | ||
961 | ||
962 | /* Free storage allocated in PGLOB by a previous `glob' call. */ | |
963 | void | |
964 | globfree (pglob) | |
965 | register glob_t *pglob; | |
966 | { | |
967 | if (pglob->gl_pathv != NULL) | |
968 | { | |
969 | register int i; | |
970 | for (i = 0; i < pglob->gl_pathc; ++i) | |
971 | if (pglob->gl_pathv[i] != NULL) | |
972 | free ((__ptr_t) pglob->gl_pathv[i]); | |
973 | free ((__ptr_t) pglob->gl_pathv); | |
974 | } | |
975 | } | |
976 | ||
977 | ||
978 | /* Do a collated comparison of A and B. */ | |
979 | static int | |
980 | collated_compare (a, b) | |
981 | const __ptr_t a; | |
982 | const __ptr_t b; | |
983 | { | |
984 | const char *const s1 = *(const char *const * const) a; | |
985 | const char *const s2 = *(const char *const * const) b; | |
986 | ||
987 | if (s1 == s2) | |
988 | return 0; | |
989 | if (s1 == NULL) | |
990 | return 1; | |
991 | if (s2 == NULL) | |
992 | return -1; | |
993 | return strcoll (s1, s2); | |
994 | } | |
995 | ||
996 | ||
997 | /* Prepend DIRNAME to each of N members of ARRAY, replacing ARRAY's | |
998 | elements in place. Return nonzero if out of memory, zero if successful. | |
999 | A slash is inserted between DIRNAME and each elt of ARRAY, | |
1000 | unless DIRNAME is just "/". Each old element of ARRAY is freed. */ | |
1001 | static int | |
1002 | prefix_array (dirname, array, n) | |
1003 | const char *dirname; | |
1004 | char **array; | |
1005 | size_t n; | |
1006 | { | |
1007 | register size_t i; | |
1008 | size_t dirlen = strlen (dirname); | |
1009 | ||
1010 | if (dirlen == 1 && dirname[0] == '/') | |
1011 | /* DIRNAME is just "/", so normal prepending would get us "//foo". | |
1012 | We want "/foo" instead, so don't prepend any chars from DIRNAME. */ | |
1013 | dirlen = 0; | |
1014 | ||
1015 | for (i = 0; i < n; ++i) | |
1016 | { | |
1017 | size_t eltlen = strlen (array[i]) + 1; | |
1018 | char *new = (char *) malloc (dirlen + 1 + eltlen); | |
1019 | if (new == NULL) | |
1020 | { | |
1021 | while (i > 0) | |
1022 | free ((__ptr_t) array[--i]); | |
1023 | return 1; | |
1024 | } | |
1025 | ||
dd7d45e8 UD |
1026 | #ifdef HAVE_MEMPCPY |
1027 | { | |
1028 | char *endp = (char *) mempcpy (new, dirname, dirlen); | |
1029 | *endp++ = '/'; | |
1030 | mempcpy (endp, array[i], eltlen); | |
1031 | } | |
1032 | #else | |
28f540f4 RM |
1033 | memcpy (new, dirname, dirlen); |
1034 | new[dirlen] = '/'; | |
1035 | memcpy (&new[dirlen + 1], array[i], eltlen); | |
dd7d45e8 | 1036 | #endif |
28f540f4 RM |
1037 | free ((__ptr_t) array[i]); |
1038 | array[i] = new; | |
1039 | } | |
1040 | ||
1041 | return 0; | |
1042 | } | |
1043 | ||
1044 | ||
1045 | /* Return nonzero if PATTERN contains any metacharacters. | |
1046 | Metacharacters can be quoted with backslashes if QUOTE is nonzero. */ | |
e7fd8a39 UD |
1047 | int |
1048 | __glob_pattern_p (pattern, quote) | |
28f540f4 RM |
1049 | const char *pattern; |
1050 | int quote; | |
1051 | { | |
1052 | register const char *p; | |
1053 | int open = 0; | |
1054 | ||
1055 | for (p = pattern; *p != '\0'; ++p) | |
1056 | switch (*p) | |
1057 | { | |
1058 | case '?': | |
1059 | case '*': | |
1060 | return 1; | |
1061 | ||
1062 | case '\\': | |
299a95b9 | 1063 | if (quote && p[1] != '\0') |
28f540f4 RM |
1064 | ++p; |
1065 | break; | |
1066 | ||
1067 | case '[': | |
1068 | open = 1; | |
1069 | break; | |
1070 | ||
1071 | case ']': | |
1072 | if (open) | |
1073 | return 1; | |
1074 | break; | |
1075 | } | |
1076 | ||
1077 | return 0; | |
1078 | } | |
e7fd8a39 UD |
1079 | #ifdef _LIBC |
1080 | weak_alias (__glob_pattern_p, glob_pattern_p) | |
1081 | #endif | |
28f540f4 RM |
1082 | |
1083 | ||
1084 | /* Like `glob', but PATTERN is a final pathname component, | |
1085 | and matches are searched for in DIRECTORY. | |
1086 | The GLOB_NOSORT bit in FLAGS is ignored. No sorting is ever done. | |
1087 | The GLOB_APPEND flag is assumed to be set (always appends). */ | |
1088 | static int | |
1089 | glob_in_dir (pattern, directory, flags, errfunc, pglob) | |
1090 | const char *pattern; | |
1091 | const char *directory; | |
1092 | int flags; | |
1093 | int (*errfunc) __P ((const char *, int)); | |
1094 | glob_t *pglob; | |
1095 | { | |
a9ddb793 | 1096 | __ptr_t stream = NULL; |
28f540f4 RM |
1097 | |
1098 | struct globlink | |
1099 | { | |
1100 | struct globlink *next; | |
1101 | char *name; | |
1102 | }; | |
1103 | struct globlink *names = NULL; | |
86187531 UD |
1104 | size_t nfound; |
1105 | int meta; | |
1106 | int save; | |
1107 | ||
a9ddb793 UD |
1108 | meta = __glob_pattern_p (pattern, !(flags & GLOB_NOESCAPE)); |
1109 | if (meta == 0) | |
28f540f4 | 1110 | { |
a9ddb793 UD |
1111 | if (flags & (GLOB_NOCHECK|GLOB_NOMAGIC)) |
1112 | /* We need not do any tests. The PATTERN contains no meta | |
1113 | characters and we must not return an error therefore the | |
1114 | result will always contain exactly the one name. */ | |
1115 | flags |= GLOB_NOCHECK; | |
1116 | else | |
1117 | { | |
1118 | /* Since we use the normal file functions we can also use stat() | |
1119 | to verify the file is there. */ | |
1120 | struct stat st; | |
1121 | size_t patlen = strlen (pattern); | |
1122 | size_t dirlen = strlen (directory); | |
1123 | char *fullname = __alloca (dirlen + 1 + patlen + 1); | |
1124 | ||
1125 | # ifdef HAVE_MEMPCPY | |
1126 | mempcpy (mempcpy (mempcpy (fullname, directory, dirlen), | |
1127 | "/", 1), | |
1128 | pattern, patlen + 1); | |
1129 | # else | |
1130 | memcpy (fullname, directory, dirlen); | |
1131 | fullname[dirlen] = '/'; | |
1132 | memcpy (&fullname[dirlen + 1], pattern, patlen + 1); | |
1133 | # endif | |
1134 | if (((flags & GLOB_ALTDIRFUNC) | |
1135 | ? (*pglob->gl_stat) (fullname, &st) | |
1136 | : __stat (fullname, &st)) == 0) | |
1137 | /* We found this file to be existing. No tell the rest | |
1138 | of the function to copy this name into the result. */ | |
1139 | flags |= GLOB_NOCHECK; | |
1140 | } | |
1141 | ||
86187531 | 1142 | nfound = 0; |
28f540f4 RM |
1143 | } |
1144 | else | |
1145 | { | |
a9ddb793 | 1146 | if (pattern[0] == '\0') |
28f540f4 | 1147 | { |
a9ddb793 UD |
1148 | /* This is a special case for matching directories like in |
1149 | "*a/". */ | |
1150 | names = (struct globlink *) __alloca (sizeof (struct globlink)); | |
1151 | names->name = (char *) malloc (1); | |
1152 | if (names->name == NULL) | |
1153 | goto memory_error; | |
1154 | names->name[0] = '\0'; | |
1155 | names->next = NULL; | |
1156 | nfound = 1; | |
1157 | meta = 0; | |
1158 | } | |
1159 | else | |
1160 | { | |
1161 | stream = ((flags & GLOB_ALTDIRFUNC) | |
1162 | ? (*pglob->gl_opendir) (directory) | |
1163 | : (__ptr_t) opendir (directory)); | |
1164 | if (stream == NULL) | |
1165 | { | |
1166 | if ((errfunc != NULL && (*errfunc) (directory, errno)) | |
1167 | || (flags & GLOB_ERR)) | |
1168 | return GLOB_ABORTED; | |
1169 | nfound = 0; | |
1170 | meta = 0; | |
1171 | } | |
1172 | else | |
1173 | { | |
1174 | int fnm_flags = ((!(flags & GLOB_PERIOD) ? FNM_PERIOD : 0) | |
1175 | | ((flags & GLOB_NOESCAPE) ? FNM_NOESCAPE : 0) | |
1176 | #if defined _AMIGA || defined VMS | |
1177 | | FNM_CASEFOLD | |
1178 | #endif | |
1179 | ); | |
1180 | nfound = 0; | |
1181 | flags |= GLOB_MAGCHAR; | |
1182 | ||
1183 | while (1) | |
1184 | { | |
1185 | const char *name; | |
1186 | size_t len; | |
1187 | struct dirent *d = ((flags & GLOB_ALTDIRFUNC) | |
1188 | ? (*pglob->gl_readdir) (stream) | |
1189 | : readdir ((DIR *) stream)); | |
1190 | if (d == NULL) | |
1191 | break; | |
1192 | if (! REAL_DIR_ENTRY (d)) | |
1193 | continue; | |
787e4db9 | 1194 | |
1cab5444 | 1195 | #ifdef HAVE_D_TYPE |
a9ddb793 UD |
1196 | /* If we shall match only directories use the information |
1197 | provided by the dirent call if possible. */ | |
1198 | if ((flags & GLOB_ONLYDIR) | |
1199 | && d->d_type != DT_UNKNOWN && d->d_type != DT_DIR) | |
1200 | continue; | |
1cab5444 UD |
1201 | #endif |
1202 | ||
a9ddb793 | 1203 | name = d->d_name; |
86187531 | 1204 | |
a9ddb793 UD |
1205 | if (fnmatch (pattern, name, fnm_flags) == 0) |
1206 | { | |
1207 | struct globlink *new = (struct globlink *) | |
1208 | __alloca (sizeof (struct globlink)); | |
1209 | len = NAMLEN (d); | |
1210 | new->name = (char *) malloc (len + 1); | |
1211 | if (new->name == NULL) | |
1212 | goto memory_error; | |
dd7d45e8 | 1213 | #ifdef HAVE_MEMPCPY |
a9ddb793 UD |
1214 | *((char *) mempcpy ((__ptr_t) new->name, name, len)) |
1215 | = '\0'; | |
dd7d45e8 | 1216 | #else |
a9ddb793 UD |
1217 | memcpy ((__ptr_t) new->name, name, len); |
1218 | new->name[len] = '\0'; | |
dd7d45e8 | 1219 | #endif |
a9ddb793 UD |
1220 | new->next = names; |
1221 | names = new; | |
1222 | ++nfound; | |
1223 | } | |
1224 | } | |
86187531 UD |
1225 | } |
1226 | } | |
28f540f4 RM |
1227 | } |
1228 | ||
1229 | if (nfound == 0 && (flags & GLOB_NOCHECK)) | |
1230 | { | |
1231 | size_t len = strlen (pattern); | |
1232 | nfound = 1; | |
1233 | names = (struct globlink *) __alloca (sizeof (struct globlink)); | |
1234 | names->next = NULL; | |
a993273c | 1235 | names->name = (char *) malloc (len + 1); |
28f540f4 RM |
1236 | if (names->name == NULL) |
1237 | goto memory_error; | |
dd7d45e8 UD |
1238 | #ifdef HAVE_MEMPCPY |
1239 | *((char *) mempcpy (names->name, pattern, len)) = '\0'; | |
1240 | #else | |
28f540f4 | 1241 | memcpy (names->name, pattern, len); |
28f540f4 | 1242 | names->name[len] = '\0'; |
dd7d45e8 | 1243 | #endif |
28f540f4 RM |
1244 | } |
1245 | ||
61eb22d3 UD |
1246 | if (nfound != 0) |
1247 | { | |
1248 | pglob->gl_pathv | |
1249 | = (char **) realloc (pglob->gl_pathv, | |
1250 | (pglob->gl_pathc + | |
1251 | ((flags & GLOB_DOOFFS) ? pglob->gl_offs : 0) + | |
1252 | nfound + 1) * | |
1253 | sizeof (char *)); | |
1254 | if (pglob->gl_pathv == NULL) | |
1255 | goto memory_error; | |
28f540f4 | 1256 | |
61eb22d3 UD |
1257 | if (flags & GLOB_DOOFFS) |
1258 | while (pglob->gl_pathc < pglob->gl_offs) | |
1259 | pglob->gl_pathv[pglob->gl_pathc++] = NULL; | |
28f540f4 | 1260 | |
61eb22d3 UD |
1261 | for (; names != NULL; names = names->next) |
1262 | pglob->gl_pathv[pglob->gl_pathc++] = names->name; | |
1263 | pglob->gl_pathv[pglob->gl_pathc] = NULL; | |
28f540f4 | 1264 | |
61eb22d3 UD |
1265 | pglob->gl_flags = flags; |
1266 | } | |
28f540f4 | 1267 | |
86187531 | 1268 | save = errno; |
a9ddb793 UD |
1269 | if (stream != NULL) |
1270 | if (flags & GLOB_ALTDIRFUNC) | |
1271 | (*pglob->gl_closedir) (stream); | |
1272 | else | |
1273 | closedir ((DIR *) stream); | |
86187531 UD |
1274 | __set_errno (save); |
1275 | ||
28f540f4 RM |
1276 | return nfound == 0 ? GLOB_NOMATCH : 0; |
1277 | ||
1278 | memory_error: | |
1279 | { | |
1280 | int save = errno; | |
787e4db9 RM |
1281 | if (flags & GLOB_ALTDIRFUNC) |
1282 | (*pglob->gl_closedir) (stream); | |
28f540f4 | 1283 | else |
faf92f2a | 1284 | closedir ((DIR *) stream); |
c4029823 | 1285 | __set_errno (save); |
28f540f4 RM |
1286 | } |
1287 | while (names != NULL) | |
1288 | { | |
1289 | if (names->name != NULL) | |
1290 | free ((__ptr_t) names->name); | |
1291 | names = names->next; | |
1292 | } | |
1293 | return GLOB_NOSPACE; | |
1294 | } | |
1295 | ||
787e4db9 | 1296 | #endif /* Not ELIDE_CODE. */ |