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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 | ||
ec986e23 UD |
158 | #ifdef HAVE_GETLOGIN_R |
159 | extern int getlogin_r __P ((char *, size_t)); | |
160 | #else | |
161 | extern char *getlogin __P ((void)); | |
162 | #endif | |
163 | ||
28f540f4 RM |
164 | #ifndef ANSI_STRING |
165 | ||
61eb22d3 | 166 | # ifndef bzero |
28f540f4 | 167 | extern void bzero (); |
61eb22d3 UD |
168 | # endif |
169 | # ifndef bcopy | |
28f540f4 | 170 | extern void bcopy (); |
61eb22d3 | 171 | # endif |
28f540f4 | 172 | |
61eb22d3 UD |
173 | # define memcpy(d, s, n) bcopy ((s), (d), (n)) |
174 | # define strrchr rindex | |
28f540f4 | 175 | /* memset is only used for zero here, but let's be paranoid. */ |
61eb22d3 | 176 | # define memset(s, better_be_zero, n) \ |
28f540f4 RM |
177 | ((void) ((better_be_zero) == 0 ? (bzero((s), (n)), 0) : (abort(), 0))) |
178 | #endif /* Not ANSI_STRING. */ | |
179 | ||
5ae9d168 | 180 | #if !defined HAVE_STRCOLL && !defined _LIBC |
61eb22d3 | 181 | # define strcoll strcmp |
28f540f4 RM |
182 | #endif |
183 | ||
dd7d45e8 UD |
184 | #if !defined HAVE_MEMPCPY && __GLIBC__ - 0 == 2 && __GLIBC_MINOR__ >= 1 |
185 | # define HAVE_MEMPCPY 1 | |
1f5d369d | 186 | # undef mempcpy |
dd7d45e8 UD |
187 | # define mempcpy(Dest, Src, Len) __mempcpy (Dest, Src, Len) |
188 | #endif | |
189 | ||
28f540f4 | 190 | #ifndef __GNU_LIBRARY__ |
61eb22d3 | 191 | # ifdef __GNUC__ |
28f540f4 | 192 | __inline |
61eb22d3 UD |
193 | # endif |
194 | # ifndef __SASC | |
195 | # ifdef WINDOWS32 | |
ed30638a | 196 | static void * |
61eb22d3 | 197 | # else |
28f540f4 | 198 | static char * |
61eb22d3 | 199 | # endif |
28f540f4 RM |
200 | my_realloc (p, n) |
201 | char *p; | |
202 | unsigned int n; | |
203 | { | |
204 | /* These casts are the for sake of the broken Ultrix compiler, | |
205 | which warns of illegal pointer combinations otherwise. */ | |
206 | if (p == NULL) | |
207 | return (char *) malloc (n); | |
208 | return (char *) realloc (p, n); | |
209 | } | |
61eb22d3 UD |
210 | # define realloc my_realloc |
211 | # endif /* __SASC */ | |
9fb16eea | 212 | #endif /* __GNU_LIBRARY__ */ |
28f540f4 RM |
213 | |
214 | ||
61eb22d3 | 215 | #if !defined __alloca && !defined __GNU_LIBRARY__ |
28f540f4 | 216 | |
61eb22d3 UD |
217 | # ifdef __GNUC__ |
218 | # undef alloca | |
219 | # define alloca(n) __builtin_alloca (n) | |
220 | # else /* Not GCC. */ | |
221 | # ifdef HAVE_ALLOCA_H | |
222 | # include <alloca.h> | |
223 | # else /* Not HAVE_ALLOCA_H. */ | |
224 | # ifndef _AIX | |
225 | # ifdef WINDOWS32 | |
226 | # include <malloc.h> | |
227 | # else | |
28f540f4 | 228 | extern char *alloca (); |
61eb22d3 UD |
229 | # endif /* WINDOWS32 */ |
230 | # endif /* Not _AIX. */ | |
231 | # endif /* sparc or HAVE_ALLOCA_H. */ | |
232 | # endif /* GCC. */ | |
28f540f4 | 233 | |
61eb22d3 | 234 | # define __alloca alloca |
28f540f4 RM |
235 | |
236 | #endif | |
237 | ||
bf3ccd1a | 238 | #ifndef __GNU_LIBRARY__ |
61eb22d3 UD |
239 | # define __stat stat |
240 | # ifdef STAT_MACROS_BROKEN | |
241 | # undef S_ISDIR | |
242 | # endif | |
243 | # ifndef S_ISDIR | |
244 | # define S_ISDIR(mode) (((mode) & S_IFMT) == S_IFDIR) | |
245 | # endif | |
bf3ccd1a RM |
246 | #endif |
247 | ||
50304ef0 | 248 | #ifdef _LIBC |
c3966b88 | 249 | # undef strdup |
c9243dac | 250 | # define strdup(str) __strdup (str) |
50304ef0 UD |
251 | # define sysconf(id) __sysconf (id) |
252 | # define closedir(dir) __closedir (dir) | |
253 | # define opendir(name) __opendir (name) | |
254 | # define readdir(str) __readdir (str) | |
ec986e23 UD |
255 | # define getpwnam_r(name, bufp, buf, len, res) \ |
256 | __getpwnam_r (name, bufp, buf, len, res) | |
df777c40 UD |
257 | # ifndef __stat |
258 | # define __stat(fname, buf) __xstat (_STAT_VER, fname, buf) | |
259 | # endif | |
50304ef0 UD |
260 | #endif |
261 | ||
61eb22d3 UD |
262 | #if !(defined STDC_HEADERS || defined __GNU_LIBRARY__) |
263 | # undef size_t | |
264 | # define size_t unsigned int | |
28f540f4 RM |
265 | #endif |
266 | ||
267 | /* Some system header files erroneously define these. | |
268 | We want our own definitions from <fnmatch.h> to take precedence. */ | |
d47aac39 UD |
269 | #ifndef __GNU_LIBRARY__ |
270 | # undef FNM_PATHNAME | |
271 | # undef FNM_NOESCAPE | |
272 | # undef FNM_PERIOD | |
273 | #endif | |
28f540f4 RM |
274 | #include <fnmatch.h> |
275 | ||
276 | /* Some system header files erroneously define these. | |
277 | We want our own definitions from <glob.h> to take precedence. */ | |
a53bad16 UD |
278 | #ifndef __GNU_LIBRARY__ |
279 | # undef GLOB_ERR | |
280 | # undef GLOB_MARK | |
281 | # undef GLOB_NOSORT | |
282 | # undef GLOB_DOOFFS | |
283 | # undef GLOB_NOCHECK | |
284 | # undef GLOB_APPEND | |
285 | # undef GLOB_NOESCAPE | |
286 | # undef GLOB_PERIOD | |
287 | #endif | |
28f540f4 RM |
288 | #include <glob.h> |
289 | \f | |
f41c8091 UD |
290 | static |
291 | #if __GNUC__ - 0 >= 2 | |
292 | inline | |
293 | #endif | |
294 | const char *next_brace_sub __P ((const char *begin)); | |
28f540f4 RM |
295 | static int glob_in_dir __P ((const char *pattern, const char *directory, |
296 | int flags, | |
df777c40 | 297 | int (*errfunc) (const char *, int), |
28f540f4 RM |
298 | glob_t *pglob)); |
299 | static int prefix_array __P ((const char *prefix, char **array, size_t n)); | |
300 | static int collated_compare __P ((const __ptr_t, const __ptr_t)); | |
301 | ||
5ae9d168 UD |
302 | |
303 | /* Find the end of the sub-pattern in a brace expression. We define | |
304 | this as an inline function if the compiler permits. */ | |
305 | static | |
306 | #if __GNUC__ - 0 >= 2 | |
307 | inline | |
308 | #endif | |
309 | const char * | |
ca34d7a7 UD |
310 | next_brace_sub (begin) |
311 | const char *begin; | |
5ae9d168 UD |
312 | { |
313 | unsigned int depth = 0; | |
314 | const char *cp = begin; | |
315 | ||
316 | while (1) | |
317 | { | |
318 | if (depth == 0) | |
319 | { | |
320 | if (*cp != ',' && *cp != '}' && *cp != '\0') | |
321 | { | |
322 | if (*cp == '{') | |
323 | ++depth; | |
324 | ++cp; | |
325 | continue; | |
326 | } | |
327 | } | |
328 | else | |
329 | { | |
330 | while (*cp != '\0' && (*cp != '}' || depth > 0)) | |
331 | { | |
332 | if (*cp == '}') | |
e7fd8a39 | 333 | --depth; |
5ae9d168 UD |
334 | ++cp; |
335 | } | |
336 | if (*cp == '\0') | |
337 | /* An incorrectly terminated brace expression. */ | |
338 | return NULL; | |
339 | ||
340 | continue; | |
341 | } | |
342 | break; | |
343 | } | |
344 | ||
345 | return cp; | |
346 | } | |
347 | ||
28f540f4 RM |
348 | /* Do glob searching for PATTERN, placing results in PGLOB. |
349 | The bits defined above may be set in FLAGS. | |
350 | If a directory cannot be opened or read and ERRFUNC is not nil, | |
351 | it is called with the pathname that caused the error, and the | |
352 | `errno' value from the failing call; if it returns non-zero | |
714a562f | 353 | `glob' returns GLOB_ABORTED; if it returns zero, the error is ignored. |
28f540f4 RM |
354 | If memory cannot be allocated for PGLOB, GLOB_NOSPACE is returned. |
355 | Otherwise, `glob' returns zero. */ | |
356 | int | |
357 | glob (pattern, flags, errfunc, pglob) | |
358 | const char *pattern; | |
359 | int flags; | |
360 | int (*errfunc) __P ((const char *, int)); | |
361 | glob_t *pglob; | |
362 | { | |
363 | const char *filename; | |
ec986e23 | 364 | const char *dirname; |
28f540f4 RM |
365 | size_t dirlen; |
366 | int status; | |
367 | int oldcount; | |
368 | ||
369 | if (pattern == NULL || pglob == NULL || (flags & ~__GLOB_FLAGS) != 0) | |
370 | { | |
c4029823 | 371 | __set_errno (EINVAL); |
28f540f4 RM |
372 | return -1; |
373 | } | |
374 | ||
787e4db9 RM |
375 | if (flags & GLOB_BRACE) |
376 | { | |
377 | const char *begin = strchr (pattern, '{'); | |
378 | if (begin != NULL) | |
379 | { | |
5ae9d168 UD |
380 | /* Allocate working buffer large enough for our work. Note that |
381 | we have at least an opening and closing brace. */ | |
6025c399 | 382 | int firstc; |
5ae9d168 UD |
383 | char *alt_start; |
384 | const char *p; | |
385 | const char *next; | |
386 | const char *rest; | |
387 | size_t rest_len; | |
388 | #ifdef __GNUC__ | |
389 | char onealt[strlen (pattern) - 1]; | |
390 | #else | |
391 | char *onealt = (char *) malloc (strlen (pattern) - 1); | |
392 | if (onealt == NULL) | |
393 | { | |
394 | if (!(flags & GLOB_APPEND)) | |
395 | globfree (pglob); | |
396 | return GLOB_NOSPACE; | |
397 | } | |
398 | #endif | |
399 | ||
400 | /* We know the prefix for all sub-patterns. */ | |
86187531 UD |
401 | #ifdef HAVE_MEMPCPY |
402 | alt_start = mempcpy (onealt, pattern, begin - pattern); | |
403 | #else | |
5ae9d168 UD |
404 | memcpy (onealt, pattern, begin - pattern); |
405 | alt_start = &onealt[begin - pattern]; | |
86187531 | 406 | #endif |
5ae9d168 UD |
407 | |
408 | /* Find the first sub-pattern and at the same time find the | |
409 | rest after the closing brace. */ | |
410 | next = next_brace_sub (begin + 1); | |
411 | if (next == NULL) | |
787e4db9 | 412 | { |
5ae9d168 UD |
413 | /* It is an illegal expression. */ |
414 | #ifndef __GNUC__ | |
415 | free (onealt); | |
416 | #endif | |
417 | return glob (pattern, flags & ~GLOB_BRACE, errfunc, pglob); | |
418 | } | |
419 | ||
420 | /* Now find the end of the whole brace expression. */ | |
421 | rest = next; | |
422 | while (*rest != '}') | |
423 | { | |
424 | rest = next_brace_sub (rest + 1); | |
425 | if (rest == NULL) | |
787e4db9 | 426 | { |
5ae9d168 UD |
427 | /* It is an illegal expression. */ |
428 | #ifndef __GNUC__ | |
429 | free (onealt); | |
430 | #endif | |
431 | return glob (pattern, flags & ~GLOB_BRACE, errfunc, pglob); | |
6025c399 | 432 | } |
6025c399 | 433 | } |
5ae9d168 UD |
434 | /* Please note that we now can be sure the brace expression |
435 | is well-formed. */ | |
436 | rest_len = strlen (++rest) + 1; | |
6025c399 RM |
437 | |
438 | /* We have a brace expression. BEGIN points to the opening {, | |
439 | NEXT points past the terminator of the first element, and END | |
440 | points past the final }. We will accumulate result names from | |
441 | recursive runs for each brace alternative in the buffer using | |
442 | GLOB_APPEND. */ | |
443 | ||
444 | if (!(flags & GLOB_APPEND)) | |
445 | { | |
446 | /* This call is to set a new vector, so clear out the | |
447 | vector so we can append to it. */ | |
448 | pglob->gl_pathc = 0; | |
449 | pglob->gl_pathv = NULL; | |
450 | } | |
451 | firstc = pglob->gl_pathc; | |
452 | ||
6025c399 RM |
453 | p = begin + 1; |
454 | while (1) | |
455 | { | |
6025c399 | 456 | int result; |
5ae9d168 UD |
457 | |
458 | /* Construct the new glob expression. */ | |
dd7d45e8 UD |
459 | #ifdef HAVE_MEMPCPY |
460 | mempcpy (mempcpy (alt_start, p, next - p), rest, rest_len); | |
461 | #else | |
5ae9d168 UD |
462 | memcpy (alt_start, p, next - p); |
463 | memcpy (&alt_start[next - p], rest, rest_len); | |
dd7d45e8 | 464 | #endif |
5ae9d168 | 465 | |
6025c399 | 466 | result = glob (onealt, |
5ae9d168 UD |
467 | ((flags & ~(GLOB_NOCHECK|GLOB_NOMAGIC)) |
468 | | GLOB_APPEND), errfunc, pglob); | |
6025c399 RM |
469 | |
470 | /* If we got an error, return it. */ | |
471 | if (result && result != GLOB_NOMATCH) | |
787e4db9 | 472 | { |
5ae9d168 UD |
473 | #ifndef __GNUC__ |
474 | free (onealt); | |
475 | #endif | |
6025c399 RM |
476 | if (!(flags & GLOB_APPEND)) |
477 | globfree (pglob); | |
478 | return result; | |
479 | } | |
480 | ||
5ae9d168 UD |
481 | if (*next == '}') |
482 | /* We saw the last entry. */ | |
483 | break; | |
484 | ||
485 | p = next + 1; | |
486 | next = next_brace_sub (p); | |
487 | assert (next != NULL); | |
787e4db9 | 488 | } |
6025c399 | 489 | |
5ae9d168 UD |
490 | #ifndef __GNUC__ |
491 | free (onealt); | |
492 | #endif | |
493 | ||
494 | if (pglob->gl_pathc != firstc) | |
495 | /* We found some entries. */ | |
496 | return 0; | |
497 | else if (!(flags & (GLOB_NOCHECK|GLOB_NOMAGIC))) | |
6025c399 | 498 | return GLOB_NOMATCH; |
787e4db9 RM |
499 | } |
500 | } | |
501 | ||
28f540f4 RM |
502 | /* Find the filename. */ |
503 | filename = strrchr (pattern, '/'); | |
786a5421 UD |
504 | #if defined __MSDOS__ || defined WINDOWS32 |
505 | /* The case of "d:pattern". Since `:' is not allowed in | |
506 | file names, we can safely assume that wherever it | |
507 | happens in pattern, it signals the filename part. This | |
508 | is so we could some day support patterns like "[a-z]:foo". */ | |
509 | if (filename == NULL) | |
510 | filename = strchr (pattern, ':'); | |
511 | #endif /* __MSDOS__ || WINDOWS32 */ | |
28f540f4 RM |
512 | if (filename == NULL) |
513 | { | |
6c202c68 UD |
514 | /* This can mean two things: a simple name or "~name". The later |
515 | case is nothing but a notation for a directory. */ | |
1bc21e7a | 516 | if ((flags & (GLOB_TILDE|GLOB_TILDE_CHECK)) && pattern[0] == '~') |
6c202c68 | 517 | { |
7cabd57c | 518 | dirname = pattern; |
6c202c68 UD |
519 | dirlen = strlen (pattern); |
520 | ||
c9243dac | 521 | /* Set FILENAME to NULL as a special flag. This is ugly but |
786a5421 | 522 | other solutions would require much more code. We test for |
c9243dac UD |
523 | this special case below. */ |
524 | filename = NULL; | |
6c202c68 UD |
525 | } |
526 | else | |
527 | { | |
528 | filename = pattern; | |
9fb16eea | 529 | #ifdef _AMIGA |
ec986e23 | 530 | dirname = ""; |
9fb16eea | 531 | #else |
ec986e23 | 532 | dirname = "."; |
9fb16eea | 533 | #endif |
6c202c68 UD |
534 | dirlen = 0; |
535 | } | |
28f540f4 RM |
536 | } |
537 | else if (filename == pattern) | |
538 | { | |
539 | /* "/pattern". */ | |
ec986e23 | 540 | dirname = "/"; |
28f540f4 RM |
541 | dirlen = 1; |
542 | ++filename; | |
543 | } | |
544 | else | |
545 | { | |
ec986e23 | 546 | char *newp; |
28f540f4 | 547 | dirlen = filename - pattern; |
786a5421 UD |
548 | #if defined __MSDOS__ || defined WINDOWS32 |
549 | if (*filename == ':' | |
550 | || (filename > pattern + 1 && filename[-1] == ':')) | |
551 | { | |
552 | char *drive_spec; | |
553 | ||
554 | ++dirlen; | |
555 | drive_spec = (char *) __alloca (dirlen + 1); | |
556 | #ifdef HAVE_MEMPCPY | |
557 | *((char *) mempcpy (drive_spec, pattern, dirlen)) = '\0'; | |
558 | #else | |
559 | memcpy (drive_spec, pattern, dirlen); | |
560 | drive_spec[dirlen] = '\0'; | |
561 | #endif | |
562 | /* For now, disallow wildcards in the drive spec, to | |
563 | prevent infinite recursion in glob. */ | |
564 | if (__glob_pattern_p (drive_spec, !(flags & GLOB_NOESCAPE))) | |
565 | return GLOB_NOMATCH; | |
566 | /* If this is "d:pattern", we need to copy `:' to DIRNAME | |
567 | as well. If it's "d:/pattern", don't remove the slash | |
568 | from "d:/", since "d:" and "d:/" are not the same.*/ | |
569 | } | |
570 | #endif | |
ec986e23 | 571 | newp = (char *) __alloca (dirlen + 1); |
dd7d45e8 | 572 | #ifdef HAVE_MEMPCPY |
ec986e23 | 573 | *((char *) mempcpy (newp, pattern, dirlen)) = '\0'; |
dd7d45e8 | 574 | #else |
ec986e23 UD |
575 | memcpy (newp, pattern, dirlen); |
576 | newp[dirlen] = '\0'; | |
dd7d45e8 | 577 | #endif |
ec986e23 | 578 | dirname = newp; |
28f540f4 | 579 | ++filename; |
28f540f4 | 580 | |
786a5421 UD |
581 | if (filename[0] == '\0' |
582 | #if defined __MSDOS__ || defined WINDOWS32 | |
583 | && dirname[dirlen - 1] != ':' | |
584 | && (dirlen < 3 || dirname[dirlen - 2] != ':' | |
585 | || dirname[dirlen - 1] != '/') | |
586 | #endif | |
587 | && dirlen > 1) | |
6c202c68 UD |
588 | /* "pattern/". Expand "pattern", appending slashes. */ |
589 | { | |
590 | int val = glob (dirname, flags | GLOB_MARK, errfunc, pglob); | |
591 | if (val == 0) | |
592 | pglob->gl_flags = ((pglob->gl_flags & ~GLOB_MARK) | |
593 | | (flags & GLOB_MARK)); | |
594 | return val; | |
595 | } | |
28f540f4 RM |
596 | } |
597 | ||
598 | if (!(flags & GLOB_APPEND)) | |
599 | { | |
600 | pglob->gl_pathc = 0; | |
601 | pglob->gl_pathv = NULL; | |
602 | } | |
603 | ||
604 | oldcount = pglob->gl_pathc; | |
605 | ||
0efef8fc | 606 | #ifndef VMS |
1bc21e7a | 607 | if ((flags & (GLOB_TILDE|GLOB_TILDE_CHECK)) && dirname[0] == '~') |
787e4db9 | 608 | { |
5ae9d168 | 609 | if (dirname[1] == '\0' || dirname[1] == '/') |
787e4db9 RM |
610 | { |
611 | /* Look up home directory. */ | |
ec986e23 | 612 | const char *home_dir = getenv ("HOME"); |
61eb22d3 | 613 | # ifdef _AMIGA |
5ae9d168 UD |
614 | if (home_dir == NULL || home_dir[0] == '\0') |
615 | home_dir = "SYS:"; | |
61eb22d3 UD |
616 | # else |
617 | # ifdef WINDOWS32 | |
5ae9d168 UD |
618 | if (home_dir == NULL || home_dir[0] == '\0') |
619 | home_dir = "c:/users/default"; /* poor default */ | |
61eb22d3 | 620 | # else |
5ae9d168 | 621 | if (home_dir == NULL || home_dir[0] == '\0') |
787e4db9 | 622 | { |
e4cf5070 | 623 | int success; |
ec986e23 | 624 | char *name; |
61eb22d3 | 625 | # if defined HAVE_GETLOGIN_R || defined _LIBC |
e4cf5070 | 626 | size_t buflen = sysconf (_SC_LOGIN_NAME_MAX) + 1; |
e4cf5070 UD |
627 | |
628 | if (buflen == 0) | |
629 | /* `sysconf' does not support _SC_LOGIN_NAME_MAX. Try | |
630 | a moderate value. */ | |
ec986e23 | 631 | buflen = 20; |
ca34d7a7 | 632 | name = (char *) __alloca (buflen); |
e4cf5070 UD |
633 | |
634 | success = getlogin_r (name, buflen) >= 0; | |
61eb22d3 | 635 | # else |
e4cf5070 | 636 | success = (name = getlogin ()) != NULL; |
61eb22d3 | 637 | # endif |
e4cf5070 | 638 | if (success) |
787e4db9 | 639 | { |
ec986e23 | 640 | struct passwd *p; |
61eb22d3 | 641 | # if defined HAVE_GETPWNAM_R || defined _LIBC |
e4cf5070 UD |
642 | size_t pwbuflen = sysconf (_SC_GETPW_R_SIZE_MAX); |
643 | char *pwtmpbuf; | |
ec986e23 | 644 | struct passwd pwbuf; |
e4cf5070 | 645 | |
ec986e23 UD |
646 | if (pwbuflen == -1) |
647 | /* `sysconf' does not support _SC_GETPW_R_SIZE_MAX. | |
648 | Try a moderate value. */ | |
649 | pwbuflen = 1024; | |
ca34d7a7 | 650 | pwtmpbuf = (char *) __alloca (pwbuflen); |
e4cf5070 | 651 | |
ec986e23 UD |
652 | success = (getpwnam_r (name, &pwbuf, pwtmpbuf, pwbuflen, &p) |
653 | >= 0); | |
61eb22d3 | 654 | # else |
ec986e23 | 655 | p = getpwnam (name); |
e4cf5070 | 656 | success = p != NULL; |
61eb22d3 | 657 | # endif |
e4cf5070 | 658 | if (success) |
5ae9d168 | 659 | home_dir = p->pw_dir; |
787e4db9 RM |
660 | } |
661 | } | |
5ae9d168 | 662 | if (home_dir == NULL || home_dir[0] == '\0') |
6e4c40ba UD |
663 | { |
664 | if (flags & GLOB_TILDE_CHECK) | |
665 | return GLOB_NOMATCH; | |
666 | else | |
667 | home_dir = "~"; /* No luck. */ | |
668 | } | |
61eb22d3 UD |
669 | # endif /* WINDOWS32 */ |
670 | # endif | |
5ae9d168 UD |
671 | /* Now construct the full directory. */ |
672 | if (dirname[1] == '\0') | |
673 | dirname = home_dir; | |
674 | else | |
675 | { | |
676 | char *newp; | |
677 | size_t home_len = strlen (home_dir); | |
ca34d7a7 | 678 | newp = (char *) __alloca (home_len + dirlen); |
dd7d45e8 UD |
679 | # ifdef HAVE_MEMPCPY |
680 | mempcpy (mempcpy (newp, home_dir, home_len), | |
681 | &dirname[1], dirlen); | |
682 | # else | |
5ae9d168 UD |
683 | memcpy (newp, home_dir, home_len); |
684 | memcpy (&newp[home_len], &dirname[1], dirlen); | |
dd7d45e8 | 685 | # endif |
5ae9d168 UD |
686 | dirname = newp; |
687 | } | |
787e4db9 | 688 | } |
61eb22d3 | 689 | # if !defined _AMIGA && !defined WINDOWS32 |
787e4db9 RM |
690 | else |
691 | { | |
5ae9d168 | 692 | char *end_name = strchr (dirname, '/'); |
ec986e23 UD |
693 | const char *user_name; |
694 | const char *home_dir; | |
5ae9d168 UD |
695 | |
696 | if (end_name == NULL) | |
697 | user_name = dirname + 1; | |
698 | else | |
699 | { | |
ec986e23 UD |
700 | char *newp; |
701 | newp = (char *) __alloca (end_name - dirname); | |
dd7d45e8 | 702 | # ifdef HAVE_MEMPCPY |
ec986e23 | 703 | *((char *) mempcpy (newp, dirname + 1, end_name - dirname)) |
dd7d45e8 UD |
704 | = '\0'; |
705 | # else | |
ec986e23 UD |
706 | memcpy (newp, dirname + 1, end_name - dirname); |
707 | newp[end_name - dirname - 1] = '\0'; | |
dd7d45e8 | 708 | # endif |
ec986e23 | 709 | user_name = newp; |
5ae9d168 UD |
710 | } |
711 | ||
787e4db9 | 712 | /* Look up specific user's home directory. */ |
5ae9d168 | 713 | { |
ec986e23 | 714 | struct passwd *p; |
61eb22d3 | 715 | # if defined HAVE_GETPWNAM_R || defined _LIBC |
5ae9d168 | 716 | size_t buflen = sysconf (_SC_GETPW_R_SIZE_MAX); |
ec986e23 UD |
717 | char *pwtmpbuf; |
718 | struct passwd pwbuf; | |
719 | ||
720 | if (buflen == -1) | |
721 | /* `sysconf' does not support _SC_GETPW_R_SIZE_MAX. Try a | |
722 | moderate value. */ | |
723 | buflen = 1024; | |
724 | pwtmpbuf = (char *) __alloca (buflen); | |
725 | ||
726 | if (getpwnam_r (user_name, &pwbuf, pwtmpbuf, buflen, &p) >= 0) | |
5ae9d168 UD |
727 | home_dir = p->pw_dir; |
728 | else | |
729 | home_dir = NULL; | |
61eb22d3 | 730 | # else |
ec986e23 | 731 | p = getpwnam (user_name); |
5ae9d168 UD |
732 | if (p != NULL) |
733 | home_dir = p->pw_dir; | |
734 | else | |
735 | home_dir = NULL; | |
61eb22d3 | 736 | # endif |
5ae9d168 UD |
737 | } |
738 | /* If we found a home directory use this. */ | |
739 | if (home_dir != NULL) | |
740 | { | |
741 | char *newp; | |
742 | size_t home_len = strlen (home_dir); | |
743 | size_t rest_len = end_name == NULL ? 0 : strlen (end_name); | |
ca34d7a7 | 744 | newp = (char *) __alloca (home_len + rest_len + 1); |
dd7d45e8 UD |
745 | # ifdef HAVE_MEMPCPY |
746 | *((char *) mempcpy (mempcpy (newp, home_dir, home_len), | |
747 | end_name, rest_len)) = '\0'; | |
748 | # else | |
5ae9d168 UD |
749 | memcpy (newp, home_dir, home_len); |
750 | memcpy (&newp[home_len], end_name, rest_len); | |
751 | newp[home_len + rest_len] = '\0'; | |
dd7d45e8 | 752 | # endif |
5ae9d168 UD |
753 | dirname = newp; |
754 | } | |
1bc21e7a UD |
755 | else |
756 | if (flags & GLOB_TILDE_CHECK) | |
757 | /* We have to regard it as an error if we cannot find the | |
758 | home directory. */ | |
759 | return GLOB_NOMATCH; | |
787e4db9 | 760 | } |
61eb22d3 | 761 | # endif /* Not Amiga && not WINDOWS32. */ |
787e4db9 | 762 | } |
0efef8fc | 763 | #endif /* Not VMS. */ |
787e4db9 | 764 | |
c9243dac UD |
765 | /* Now test whether we looked for "~" or "~NAME". In this case we |
766 | can give the answer now. */ | |
767 | if (filename == NULL) | |
768 | { | |
769 | struct stat st; | |
770 | ||
771 | /* Return the directory if we don't check for error or if it exists. */ | |
772 | if ((flags & GLOB_NOCHECK) | |
773 | || (((flags & GLOB_ALTDIRFUNC) | |
774 | ? (*pglob->gl_stat) (dirname, &st) | |
775 | : __stat (dirname, &st)) == 0 | |
776 | && S_ISDIR (st.st_mode))) | |
777 | { | |
778 | pglob->gl_pathv | |
779 | = (char **) realloc (pglob->gl_pathv, | |
780 | (pglob->gl_pathc + | |
781 | ((flags & GLOB_DOOFFS) ? | |
782 | pglob->gl_offs : 0) + | |
783 | 1 + 1) * | |
784 | sizeof (char *)); | |
785 | if (pglob->gl_pathv == NULL) | |
786 | return GLOB_NOSPACE; | |
787 | ||
788 | if (flags & GLOB_DOOFFS) | |
789 | while (pglob->gl_pathc < pglob->gl_offs) | |
790 | pglob->gl_pathv[pglob->gl_pathc++] = NULL; | |
791 | ||
792 | #if defined HAVE_STRDUP || defined _LIBC | |
793 | pglob->gl_pathv[pglob->gl_pathc] = strdup (dirname); | |
794 | #else | |
795 | { | |
796 | size_t len = strlen (dirname) + 1; | |
797 | char *dircopy = malloc (len); | |
798 | if (dircopy != NULL) | |
799 | pglob->gl_pathv[pglob->gl_pathc] = memcpy (dircopy, dirname, | |
800 | len); | |
801 | } | |
802 | #endif | |
803 | if (pglob->gl_pathv[pglob->gl_pathc] == NULL) | |
804 | { | |
805 | free (pglob->gl_pathv); | |
806 | return GLOB_NOSPACE; | |
807 | } | |
808 | pglob->gl_pathv[++pglob->gl_pathc] = NULL; | |
809 | pglob->gl_flags = flags; | |
810 | ||
811 | return 0; | |
812 | } | |
813 | ||
814 | /* Not found. */ | |
815 | return GLOB_NOMATCH; | |
816 | } | |
817 | ||
e7fd8a39 | 818 | if (__glob_pattern_p (dirname, !(flags & GLOB_NOESCAPE))) |
28f540f4 RM |
819 | { |
820 | /* The directory name contains metacharacters, so we | |
821 | have to glob for the directory, and then glob for | |
822 | the pattern in each directory found. */ | |
823 | glob_t dirs; | |
824 | register int i; | |
825 | ||
826 | status = glob (dirname, | |
1cab5444 UD |
827 | ((flags & (GLOB_ERR | GLOB_NOCHECK | GLOB_NOESCAPE)) |
828 | | GLOB_NOSORT | GLOB_ONLYDIR), | |
28f540f4 RM |
829 | errfunc, &dirs); |
830 | if (status != 0) | |
831 | return status; | |
832 | ||
833 | /* We have successfully globbed the preceding directory name. | |
834 | For each name we found, call glob_in_dir on it and FILENAME, | |
835 | appending the results to PGLOB. */ | |
836 | for (i = 0; i < dirs.gl_pathc; ++i) | |
837 | { | |
cc60175e | 838 | int old_pathc; |
28f540f4 RM |
839 | |
840 | #ifdef SHELL | |
841 | { | |
842 | /* Make globbing interruptible in the bash shell. */ | |
843 | extern int interrupt_state; | |
844 | ||
845 | if (interrupt_state) | |
846 | { | |
847 | globfree (&dirs); | |
848 | globfree (&files); | |
714a562f | 849 | return GLOB_ABORTED; |
28f540f4 RM |
850 | } |
851 | } | |
852 | #endif /* SHELL. */ | |
853 | ||
cc60175e | 854 | old_pathc = pglob->gl_pathc; |
28f540f4 | 855 | status = glob_in_dir (filename, dirs.gl_pathv[i], |
1cab5444 UD |
856 | ((flags | GLOB_APPEND) |
857 | & ~(GLOB_NOCHECK | GLOB_ERR)), | |
28f540f4 RM |
858 | errfunc, pglob); |
859 | if (status == GLOB_NOMATCH) | |
860 | /* No matches in this directory. Try the next. */ | |
861 | continue; | |
862 | ||
863 | if (status != 0) | |
864 | { | |
865 | globfree (&dirs); | |
866 | globfree (pglob); | |
867 | return status; | |
868 | } | |
869 | ||
870 | /* Stick the directory on the front of each name. */ | |
871 | if (prefix_array (dirs.gl_pathv[i], | |
cc60175e UD |
872 | &pglob->gl_pathv[old_pathc], |
873 | pglob->gl_pathc - old_pathc)) | |
28f540f4 RM |
874 | { |
875 | globfree (&dirs); | |
876 | globfree (pglob); | |
877 | return GLOB_NOSPACE; | |
878 | } | |
879 | } | |
880 | ||
881 | flags |= GLOB_MAGCHAR; | |
882 | ||
e852e889 UD |
883 | /* We have ignored the GLOB_NOCHECK flag in the `glob_in_dir' calls. |
884 | But if we have not found any matching entry and thie GLOB_NOCHECK | |
885 | flag was set we must return the list consisting of the disrectory | |
886 | names followed by the filename. */ | |
28f540f4 | 887 | if (pglob->gl_pathc == oldcount) |
6e4c40ba UD |
888 | { |
889 | /* No matches. */ | |
890 | if (flags & GLOB_NOCHECK) | |
891 | { | |
892 | size_t filename_len = strlen (filename) + 1; | |
893 | char **new_pathv; | |
894 | struct stat st; | |
895 | ||
896 | /* This is an pessimistic guess about the size. */ | |
897 | pglob->gl_pathv | |
898 | = (char **) realloc (pglob->gl_pathv, | |
899 | (pglob->gl_pathc + | |
900 | ((flags & GLOB_DOOFFS) ? | |
901 | pglob->gl_offs : 0) + | |
902 | dirs.gl_pathc + 1) * | |
903 | sizeof (char *)); | |
904 | if (pglob->gl_pathv == NULL) | |
905 | { | |
906 | globfree (&dirs); | |
907 | return GLOB_NOSPACE; | |
908 | } | |
28f540f4 | 909 | |
6e4c40ba UD |
910 | if (flags & GLOB_DOOFFS) |
911 | while (pglob->gl_pathc < pglob->gl_offs) | |
912 | pglob->gl_pathv[pglob->gl_pathc++] = NULL; | |
28f540f4 | 913 | |
6e4c40ba UD |
914 | for (i = 0; i < dirs.gl_pathc; ++i) |
915 | { | |
916 | const char *dir = dirs.gl_pathv[i]; | |
917 | size_t dir_len = strlen (dir); | |
918 | ||
919 | /* First check whether this really is a directory. */ | |
920 | if (((flags & GLOB_ALTDIRFUNC) | |
921 | ? (*pglob->gl_stat) (dir, &st) : __stat (dir, &st)) != 0 | |
922 | || !S_ISDIR (st.st_mode)) | |
923 | /* No directory, ignore this entry. */ | |
924 | continue; | |
925 | ||
926 | pglob->gl_pathv[pglob->gl_pathc] = malloc (dir_len + 1 | |
927 | + filename_len); | |
928 | if (pglob->gl_pathv[pglob->gl_pathc] == NULL) | |
929 | { | |
930 | globfree (&dirs); | |
931 | globfree (pglob); | |
932 | return GLOB_NOSPACE; | |
933 | } | |
e852e889 UD |
934 | |
935 | #ifdef HAVE_MEMPCPY | |
6e4c40ba UD |
936 | mempcpy (mempcpy (mempcpy (pglob->gl_pathv[pglob->gl_pathc], |
937 | dir, dir_len), | |
938 | "/", 1), | |
939 | filename, filename_len); | |
e852e889 | 940 | #else |
6e4c40ba UD |
941 | memcpy (pglob->gl_pathv[pglob->gl_pathc], dir, dir_len); |
942 | pglob->gl_pathv[pglob->gl_pathc][dir_len] = '/'; | |
943 | memcpy (&pglob->gl_pathv[pglob->gl_pathc][dir_len + 1], | |
944 | filename, filename_len); | |
e852e889 | 945 | #endif |
6e4c40ba UD |
946 | ++pglob->gl_pathc; |
947 | } | |
e852e889 | 948 | |
6e4c40ba UD |
949 | pglob->gl_pathv[pglob->gl_pathc] = NULL; |
950 | pglob->gl_flags = flags; | |
e852e889 | 951 | |
6e4c40ba UD |
952 | /* Now we know how large the gl_pathv vector must be. */ |
953 | new_pathv = (char **) realloc (pglob->gl_pathv, | |
954 | ((pglob->gl_pathc + 1) | |
955 | * sizeof (char *))); | |
956 | if (new_pathv != NULL) | |
957 | pglob->gl_pathv = new_pathv; | |
958 | } | |
959 | else | |
960 | return GLOB_NOMATCH; | |
961 | } | |
e852e889 UD |
962 | |
963 | globfree (&dirs); | |
28f540f4 RM |
964 | } |
965 | else | |
966 | { | |
967 | status = glob_in_dir (filename, dirname, flags, errfunc, pglob); | |
968 | if (status != 0) | |
969 | return status; | |
970 | ||
971 | if (dirlen > 0) | |
972 | { | |
973 | /* Stick the directory on the front of each name. */ | |
cc60175e UD |
974 | int ignore = oldcount; |
975 | ||
976 | if ((flags & GLOB_DOOFFS) && ignore < pglob->gl_offs) | |
977 | ignore = pglob->gl_offs; | |
978 | ||
28f540f4 | 979 | if (prefix_array (dirname, |
cc60175e UD |
980 | &pglob->gl_pathv[ignore], |
981 | pglob->gl_pathc - ignore)) | |
28f540f4 RM |
982 | { |
983 | globfree (pglob); | |
984 | return GLOB_NOSPACE; | |
985 | } | |
986 | } | |
987 | } | |
988 | ||
bf3ccd1a RM |
989 | if (flags & GLOB_MARK) |
990 | { | |
c043db7a | 991 | /* Append slashes to directory names. */ |
bf3ccd1a RM |
992 | int i; |
993 | struct stat st; | |
994 | for (i = oldcount; i < pglob->gl_pathc; ++i) | |
a9ddb793 UD |
995 | if (((flags & GLOB_ALTDIRFUNC) |
996 | ? (*pglob->gl_stat) (pglob->gl_pathv[i], &st) | |
997 | : __stat (pglob->gl_pathv[i], &st)) == 0 | |
998 | && S_ISDIR (st.st_mode)) | |
a993273c RM |
999 | { |
1000 | size_t len = strlen (pglob->gl_pathv[i]) + 2; | |
1001 | char *new = realloc (pglob->gl_pathv[i], len); | |
1002 | if (new == NULL) | |
1003 | { | |
1004 | globfree (pglob); | |
1005 | return GLOB_NOSPACE; | |
1006 | } | |
1007 | strcpy (&new[len - 2], "/"); | |
1008 | pglob->gl_pathv[i] = new; | |
1009 | } | |
bf3ccd1a RM |
1010 | } |
1011 | ||
28f540f4 | 1012 | if (!(flags & GLOB_NOSORT)) |
cc60175e UD |
1013 | { |
1014 | /* Sort the vector. */ | |
1015 | int non_sort = oldcount; | |
1016 | ||
1017 | if ((flags & GLOB_DOOFFS) && pglob->gl_offs > oldcount) | |
1018 | non_sort = pglob->gl_offs; | |
1019 | ||
1020 | qsort ((__ptr_t) &pglob->gl_pathv[non_sort], | |
1021 | pglob->gl_pathc - non_sort, | |
1022 | sizeof (char *), collated_compare); | |
1023 | } | |
28f540f4 RM |
1024 | |
1025 | return 0; | |
1026 | } | |
1027 | ||
1028 | ||
1029 | /* Free storage allocated in PGLOB by a previous `glob' call. */ | |
1030 | void | |
1031 | globfree (pglob) | |
1032 | register glob_t *pglob; | |
1033 | { | |
1034 | if (pglob->gl_pathv != NULL) | |
1035 | { | |
1036 | register int i; | |
1037 | for (i = 0; i < pglob->gl_pathc; ++i) | |
1038 | if (pglob->gl_pathv[i] != NULL) | |
1039 | free ((__ptr_t) pglob->gl_pathv[i]); | |
1040 | free ((__ptr_t) pglob->gl_pathv); | |
1041 | } | |
1042 | } | |
1043 | ||
1044 | ||
1045 | /* Do a collated comparison of A and B. */ | |
1046 | static int | |
1047 | collated_compare (a, b) | |
1048 | const __ptr_t a; | |
1049 | const __ptr_t b; | |
1050 | { | |
1051 | const char *const s1 = *(const char *const * const) a; | |
1052 | const char *const s2 = *(const char *const * const) b; | |
1053 | ||
1054 | if (s1 == s2) | |
1055 | return 0; | |
1056 | if (s1 == NULL) | |
1057 | return 1; | |
1058 | if (s2 == NULL) | |
1059 | return -1; | |
1060 | return strcoll (s1, s2); | |
1061 | } | |
1062 | ||
1063 | ||
1064 | /* Prepend DIRNAME to each of N members of ARRAY, replacing ARRAY's | |
1065 | elements in place. Return nonzero if out of memory, zero if successful. | |
1066 | A slash is inserted between DIRNAME and each elt of ARRAY, | |
1067 | unless DIRNAME is just "/". Each old element of ARRAY is freed. */ | |
1068 | static int | |
1069 | prefix_array (dirname, array, n) | |
1070 | const char *dirname; | |
1071 | char **array; | |
1072 | size_t n; | |
1073 | { | |
1074 | register size_t i; | |
1075 | size_t dirlen = strlen (dirname); | |
786a5421 UD |
1076 | #if defined __MSDOS__ || defined WINDOWS32 |
1077 | int sep_char = '/'; | |
1078 | # define DIRSEP_CHAR sep_char | |
1079 | #else | |
1080 | # define DIRSEP_CHAR '/' | |
1081 | #endif | |
28f540f4 RM |
1082 | |
1083 | if (dirlen == 1 && dirname[0] == '/') | |
1084 | /* DIRNAME is just "/", so normal prepending would get us "//foo". | |
1085 | We want "/foo" instead, so don't prepend any chars from DIRNAME. */ | |
1086 | dirlen = 0; | |
786a5421 UD |
1087 | #if defined __MSDOS__ || defined WINDOWS32 |
1088 | else if (dirlen > 1) | |
1089 | { | |
1090 | if (dirname[dirlen - 1] == '/') | |
1091 | /* DIRNAME is "d:/". Don't prepend the slash from DIRNAME. */ | |
1092 | --dirlen; | |
1093 | else if (dirname[dirlen - 1] == ':') | |
1094 | { | |
1095 | /* DIRNAME is "d:". Use `:' instead of `/'. */ | |
1096 | --dirlen; | |
1097 | sep_char = ':'; | |
1098 | } | |
1099 | } | |
1100 | #endif | |
28f540f4 RM |
1101 | |
1102 | for (i = 0; i < n; ++i) | |
1103 | { | |
1104 | size_t eltlen = strlen (array[i]) + 1; | |
1105 | char *new = (char *) malloc (dirlen + 1 + eltlen); | |
1106 | if (new == NULL) | |
1107 | { | |
1108 | while (i > 0) | |
1109 | free ((__ptr_t) array[--i]); | |
1110 | return 1; | |
1111 | } | |
1112 | ||
dd7d45e8 UD |
1113 | #ifdef HAVE_MEMPCPY |
1114 | { | |
1115 | char *endp = (char *) mempcpy (new, dirname, dirlen); | |
786a5421 | 1116 | *endp++ = DIRSEP_CHAR; |
dd7d45e8 UD |
1117 | mempcpy (endp, array[i], eltlen); |
1118 | } | |
1119 | #else | |
28f540f4 | 1120 | memcpy (new, dirname, dirlen); |
786a5421 | 1121 | new[dirlen] = DIRSEP_CHAR; |
28f540f4 | 1122 | memcpy (&new[dirlen + 1], array[i], eltlen); |
dd7d45e8 | 1123 | #endif |
28f540f4 RM |
1124 | free ((__ptr_t) array[i]); |
1125 | array[i] = new; | |
1126 | } | |
1127 | ||
1128 | return 0; | |
1129 | } | |
1130 | ||
1131 | ||
a5f4e34a | 1132 | /* We must not compile this function twice. */ |
1f539fd1 | 1133 | #if !defined _LIBC || !defined NO_GLOB_PATTERN_P |
28f540f4 RM |
1134 | /* Return nonzero if PATTERN contains any metacharacters. |
1135 | Metacharacters can be quoted with backslashes if QUOTE is nonzero. */ | |
e7fd8a39 UD |
1136 | int |
1137 | __glob_pattern_p (pattern, quote) | |
28f540f4 RM |
1138 | const char *pattern; |
1139 | int quote; | |
1140 | { | |
1141 | register const char *p; | |
1142 | int open = 0; | |
1143 | ||
1144 | for (p = pattern; *p != '\0'; ++p) | |
1145 | switch (*p) | |
1146 | { | |
1147 | case '?': | |
1148 | case '*': | |
1149 | return 1; | |
1150 | ||
1151 | case '\\': | |
299a95b9 | 1152 | if (quote && p[1] != '\0') |
28f540f4 RM |
1153 | ++p; |
1154 | break; | |
1155 | ||
1156 | case '[': | |
1157 | open = 1; | |
1158 | break; | |
1159 | ||
1160 | case ']': | |
1161 | if (open) | |
1162 | return 1; | |
1163 | break; | |
1164 | } | |
1165 | ||
1166 | return 0; | |
1167 | } | |
a5f4e34a | 1168 | # ifdef _LIBC |
e7fd8a39 | 1169 | weak_alias (__glob_pattern_p, glob_pattern_p) |
a5f4e34a | 1170 | # endif |
e7fd8a39 | 1171 | #endif |
28f540f4 RM |
1172 | |
1173 | ||
1174 | /* Like `glob', but PATTERN is a final pathname component, | |
1175 | and matches are searched for in DIRECTORY. | |
1176 | The GLOB_NOSORT bit in FLAGS is ignored. No sorting is ever done. | |
1177 | The GLOB_APPEND flag is assumed to be set (always appends). */ | |
1178 | static int | |
1179 | glob_in_dir (pattern, directory, flags, errfunc, pglob) | |
1180 | const char *pattern; | |
1181 | const char *directory; | |
1182 | int flags; | |
1183 | int (*errfunc) __P ((const char *, int)); | |
1184 | glob_t *pglob; | |
1185 | { | |
a9ddb793 | 1186 | __ptr_t stream = NULL; |
28f540f4 RM |
1187 | |
1188 | struct globlink | |
1189 | { | |
1190 | struct globlink *next; | |
1191 | char *name; | |
1192 | }; | |
1193 | struct globlink *names = NULL; | |
86187531 UD |
1194 | size_t nfound; |
1195 | int meta; | |
1196 | int save; | |
1197 | ||
a9ddb793 UD |
1198 | meta = __glob_pattern_p (pattern, !(flags & GLOB_NOESCAPE)); |
1199 | if (meta == 0) | |
28f540f4 | 1200 | { |
a9ddb793 UD |
1201 | if (flags & (GLOB_NOCHECK|GLOB_NOMAGIC)) |
1202 | /* We need not do any tests. The PATTERN contains no meta | |
1203 | characters and we must not return an error therefore the | |
786a5421 | 1204 | result will always contain exactly one name. */ |
a9ddb793 UD |
1205 | flags |= GLOB_NOCHECK; |
1206 | else | |
1207 | { | |
1208 | /* Since we use the normal file functions we can also use stat() | |
1209 | to verify the file is there. */ | |
1210 | struct stat st; | |
1211 | size_t patlen = strlen (pattern); | |
1212 | size_t dirlen = strlen (directory); | |
786a5421 | 1213 | char *fullname = (char *) __alloca (dirlen + 1 + patlen + 1); |
a9ddb793 UD |
1214 | |
1215 | # ifdef HAVE_MEMPCPY | |
1216 | mempcpy (mempcpy (mempcpy (fullname, directory, dirlen), | |
1217 | "/", 1), | |
1218 | pattern, patlen + 1); | |
1219 | # else | |
1220 | memcpy (fullname, directory, dirlen); | |
1221 | fullname[dirlen] = '/'; | |
1222 | memcpy (&fullname[dirlen + 1], pattern, patlen + 1); | |
1223 | # endif | |
1224 | if (((flags & GLOB_ALTDIRFUNC) | |
1225 | ? (*pglob->gl_stat) (fullname, &st) | |
1226 | : __stat (fullname, &st)) == 0) | |
786a5421 | 1227 | /* We found this file to be existing. Now tell the rest |
a9ddb793 UD |
1228 | of the function to copy this name into the result. */ |
1229 | flags |= GLOB_NOCHECK; | |
1230 | } | |
1231 | ||
86187531 | 1232 | nfound = 0; |
28f540f4 RM |
1233 | } |
1234 | else | |
1235 | { | |
a9ddb793 | 1236 | if (pattern[0] == '\0') |
28f540f4 | 1237 | { |
a9ddb793 UD |
1238 | /* This is a special case for matching directories like in |
1239 | "*a/". */ | |
1240 | names = (struct globlink *) __alloca (sizeof (struct globlink)); | |
1241 | names->name = (char *) malloc (1); | |
1242 | if (names->name == NULL) | |
1243 | goto memory_error; | |
1244 | names->name[0] = '\0'; | |
1245 | names->next = NULL; | |
1246 | nfound = 1; | |
1247 | meta = 0; | |
1248 | } | |
1249 | else | |
1250 | { | |
1251 | stream = ((flags & GLOB_ALTDIRFUNC) | |
1252 | ? (*pglob->gl_opendir) (directory) | |
1253 | : (__ptr_t) opendir (directory)); | |
1254 | if (stream == NULL) | |
1255 | { | |
1256 | if ((errfunc != NULL && (*errfunc) (directory, errno)) | |
1257 | || (flags & GLOB_ERR)) | |
1258 | return GLOB_ABORTED; | |
1259 | nfound = 0; | |
1260 | meta = 0; | |
1261 | } | |
1262 | else | |
1263 | { | |
1264 | int fnm_flags = ((!(flags & GLOB_PERIOD) ? FNM_PERIOD : 0) | |
1265 | | ((flags & GLOB_NOESCAPE) ? FNM_NOESCAPE : 0) | |
1266 | #if defined _AMIGA || defined VMS | |
1267 | | FNM_CASEFOLD | |
1268 | #endif | |
1269 | ); | |
1270 | nfound = 0; | |
1271 | flags |= GLOB_MAGCHAR; | |
1272 | ||
1273 | while (1) | |
1274 | { | |
1275 | const char *name; | |
1276 | size_t len; | |
1277 | struct dirent *d = ((flags & GLOB_ALTDIRFUNC) | |
1278 | ? (*pglob->gl_readdir) (stream) | |
1279 | : readdir ((DIR *) stream)); | |
1280 | if (d == NULL) | |
1281 | break; | |
1282 | if (! REAL_DIR_ENTRY (d)) | |
1283 | continue; | |
787e4db9 | 1284 | |
1cab5444 | 1285 | #ifdef HAVE_D_TYPE |
a9ddb793 UD |
1286 | /* If we shall match only directories use the information |
1287 | provided by the dirent call if possible. */ | |
1288 | if ((flags & GLOB_ONLYDIR) | |
1289 | && d->d_type != DT_UNKNOWN && d->d_type != DT_DIR) | |
1290 | continue; | |
1cab5444 UD |
1291 | #endif |
1292 | ||
a9ddb793 | 1293 | name = d->d_name; |
86187531 | 1294 | |
a9ddb793 UD |
1295 | if (fnmatch (pattern, name, fnm_flags) == 0) |
1296 | { | |
1297 | struct globlink *new = (struct globlink *) | |
1298 | __alloca (sizeof (struct globlink)); | |
1299 | len = NAMLEN (d); | |
1300 | new->name = (char *) malloc (len + 1); | |
1301 | if (new->name == NULL) | |
1302 | goto memory_error; | |
dd7d45e8 | 1303 | #ifdef HAVE_MEMPCPY |
a9ddb793 UD |
1304 | *((char *) mempcpy ((__ptr_t) new->name, name, len)) |
1305 | = '\0'; | |
dd7d45e8 | 1306 | #else |
a9ddb793 UD |
1307 | memcpy ((__ptr_t) new->name, name, len); |
1308 | new->name[len] = '\0'; | |
dd7d45e8 | 1309 | #endif |
a9ddb793 UD |
1310 | new->next = names; |
1311 | names = new; | |
1312 | ++nfound; | |
1313 | } | |
1314 | } | |
86187531 UD |
1315 | } |
1316 | } | |
28f540f4 RM |
1317 | } |
1318 | ||
1319 | if (nfound == 0 && (flags & GLOB_NOCHECK)) | |
1320 | { | |
1321 | size_t len = strlen (pattern); | |
1322 | nfound = 1; | |
1323 | names = (struct globlink *) __alloca (sizeof (struct globlink)); | |
1324 | names->next = NULL; | |
a993273c | 1325 | names->name = (char *) malloc (len + 1); |
28f540f4 RM |
1326 | if (names->name == NULL) |
1327 | goto memory_error; | |
dd7d45e8 UD |
1328 | #ifdef HAVE_MEMPCPY |
1329 | *((char *) mempcpy (names->name, pattern, len)) = '\0'; | |
1330 | #else | |
28f540f4 | 1331 | memcpy (names->name, pattern, len); |
28f540f4 | 1332 | names->name[len] = '\0'; |
dd7d45e8 | 1333 | #endif |
28f540f4 RM |
1334 | } |
1335 | ||
61eb22d3 UD |
1336 | if (nfound != 0) |
1337 | { | |
1338 | pglob->gl_pathv | |
1339 | = (char **) realloc (pglob->gl_pathv, | |
1340 | (pglob->gl_pathc + | |
1341 | ((flags & GLOB_DOOFFS) ? pglob->gl_offs : 0) + | |
1342 | nfound + 1) * | |
1343 | sizeof (char *)); | |
1344 | if (pglob->gl_pathv == NULL) | |
1345 | goto memory_error; | |
28f540f4 | 1346 | |
61eb22d3 UD |
1347 | if (flags & GLOB_DOOFFS) |
1348 | while (pglob->gl_pathc < pglob->gl_offs) | |
1349 | pglob->gl_pathv[pglob->gl_pathc++] = NULL; | |
28f540f4 | 1350 | |
61eb22d3 UD |
1351 | for (; names != NULL; names = names->next) |
1352 | pglob->gl_pathv[pglob->gl_pathc++] = names->name; | |
1353 | pglob->gl_pathv[pglob->gl_pathc] = NULL; | |
28f540f4 | 1354 | |
61eb22d3 UD |
1355 | pglob->gl_flags = flags; |
1356 | } | |
28f540f4 | 1357 | |
86187531 | 1358 | save = errno; |
a9ddb793 | 1359 | if (stream != NULL) |
6e4c40ba UD |
1360 | { |
1361 | if (flags & GLOB_ALTDIRFUNC) | |
1362 | (*pglob->gl_closedir) (stream); | |
1363 | else | |
1364 | closedir ((DIR *) stream); | |
1365 | } | |
86187531 UD |
1366 | __set_errno (save); |
1367 | ||
28f540f4 RM |
1368 | return nfound == 0 ? GLOB_NOMATCH : 0; |
1369 | ||
1370 | memory_error: | |
1371 | { | |
1372 | int save = errno; | |
787e4db9 RM |
1373 | if (flags & GLOB_ALTDIRFUNC) |
1374 | (*pglob->gl_closedir) (stream); | |
28f540f4 | 1375 | else |
faf92f2a | 1376 | closedir ((DIR *) stream); |
c4029823 | 1377 | __set_errno (save); |
28f540f4 RM |
1378 | } |
1379 | while (names != NULL) | |
1380 | { | |
1381 | if (names->name != NULL) | |
1382 | free ((__ptr_t) names->name); | |
1383 | names = names->next; | |
1384 | } | |
1385 | return GLOB_NOSPACE; | |
1386 | } | |
1387 | ||
787e4db9 | 1388 | #endif /* Not ELIDE_CODE. */ |