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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 UD |
242 | #ifdef _LIBC |
243 | # define sysconf(id) __sysconf (id) | |
244 | # define closedir(dir) __closedir (dir) | |
245 | # define opendir(name) __opendir (name) | |
246 | # define readdir(str) __readdir (str) | |
247 | #endif | |
248 | ||
61eb22d3 UD |
249 | #if !(defined STDC_HEADERS || defined __GNU_LIBRARY__) |
250 | # undef size_t | |
251 | # define size_t unsigned int | |
28f540f4 RM |
252 | #endif |
253 | ||
254 | /* Some system header files erroneously define these. | |
255 | We want our own definitions from <fnmatch.h> to take precedence. */ | |
d47aac39 UD |
256 | #ifndef __GNU_LIBRARY__ |
257 | # undef FNM_PATHNAME | |
258 | # undef FNM_NOESCAPE | |
259 | # undef FNM_PERIOD | |
260 | #endif | |
28f540f4 RM |
261 | #include <fnmatch.h> |
262 | ||
263 | /* Some system header files erroneously define these. | |
264 | We want our own definitions from <glob.h> to take precedence. */ | |
a53bad16 UD |
265 | #ifndef __GNU_LIBRARY__ |
266 | # undef GLOB_ERR | |
267 | # undef GLOB_MARK | |
268 | # undef GLOB_NOSORT | |
269 | # undef GLOB_DOOFFS | |
270 | # undef GLOB_NOCHECK | |
271 | # undef GLOB_APPEND | |
272 | # undef GLOB_NOESCAPE | |
273 | # undef GLOB_PERIOD | |
274 | #endif | |
28f540f4 RM |
275 | #include <glob.h> |
276 | \f | |
f41c8091 UD |
277 | static |
278 | #if __GNUC__ - 0 >= 2 | |
279 | inline | |
280 | #endif | |
281 | const char *next_brace_sub __P ((const char *begin)); | |
28f540f4 RM |
282 | static int glob_in_dir __P ((const char *pattern, const char *directory, |
283 | int flags, | |
284 | int (*errfunc) __P ((const char *, int)), | |
285 | glob_t *pglob)); | |
286 | static int prefix_array __P ((const char *prefix, char **array, size_t n)); | |
287 | static int collated_compare __P ((const __ptr_t, const __ptr_t)); | |
288 | ||
5ae9d168 UD |
289 | |
290 | /* Find the end of the sub-pattern in a brace expression. We define | |
291 | this as an inline function if the compiler permits. */ | |
292 | static | |
293 | #if __GNUC__ - 0 >= 2 | |
294 | inline | |
295 | #endif | |
296 | const char * | |
ca34d7a7 UD |
297 | next_brace_sub (begin) |
298 | const char *begin; | |
5ae9d168 UD |
299 | { |
300 | unsigned int depth = 0; | |
301 | const char *cp = begin; | |
302 | ||
303 | while (1) | |
304 | { | |
305 | if (depth == 0) | |
306 | { | |
307 | if (*cp != ',' && *cp != '}' && *cp != '\0') | |
308 | { | |
309 | if (*cp == '{') | |
310 | ++depth; | |
311 | ++cp; | |
312 | continue; | |
313 | } | |
314 | } | |
315 | else | |
316 | { | |
317 | while (*cp != '\0' && (*cp != '}' || depth > 0)) | |
318 | { | |
319 | if (*cp == '}') | |
e7fd8a39 | 320 | --depth; |
5ae9d168 UD |
321 | ++cp; |
322 | } | |
323 | if (*cp == '\0') | |
324 | /* An incorrectly terminated brace expression. */ | |
325 | return NULL; | |
326 | ||
327 | continue; | |
328 | } | |
329 | break; | |
330 | } | |
331 | ||
332 | return cp; | |
333 | } | |
334 | ||
28f540f4 RM |
335 | /* Do glob searching for PATTERN, placing results in PGLOB. |
336 | The bits defined above may be set in FLAGS. | |
337 | If a directory cannot be opened or read and ERRFUNC is not nil, | |
338 | it is called with the pathname that caused the error, and the | |
339 | `errno' value from the failing call; if it returns non-zero | |
714a562f | 340 | `glob' returns GLOB_ABORTED; if it returns zero, the error is ignored. |
28f540f4 RM |
341 | If memory cannot be allocated for PGLOB, GLOB_NOSPACE is returned. |
342 | Otherwise, `glob' returns zero. */ | |
343 | int | |
344 | glob (pattern, flags, errfunc, pglob) | |
345 | const char *pattern; | |
346 | int flags; | |
347 | int (*errfunc) __P ((const char *, int)); | |
348 | glob_t *pglob; | |
349 | { | |
350 | const char *filename; | |
351 | char *dirname; | |
352 | size_t dirlen; | |
353 | int status; | |
354 | int oldcount; | |
355 | ||
356 | if (pattern == NULL || pglob == NULL || (flags & ~__GLOB_FLAGS) != 0) | |
357 | { | |
c4029823 | 358 | __set_errno (EINVAL); |
28f540f4 RM |
359 | return -1; |
360 | } | |
361 | ||
787e4db9 RM |
362 | if (flags & GLOB_BRACE) |
363 | { | |
364 | const char *begin = strchr (pattern, '{'); | |
365 | if (begin != NULL) | |
366 | { | |
5ae9d168 UD |
367 | /* Allocate working buffer large enough for our work. Note that |
368 | we have at least an opening and closing brace. */ | |
6025c399 | 369 | int firstc; |
5ae9d168 UD |
370 | char *alt_start; |
371 | const char *p; | |
372 | const char *next; | |
373 | const char *rest; | |
374 | size_t rest_len; | |
375 | #ifdef __GNUC__ | |
376 | char onealt[strlen (pattern) - 1]; | |
377 | #else | |
378 | char *onealt = (char *) malloc (strlen (pattern) - 1); | |
379 | if (onealt == NULL) | |
380 | { | |
381 | if (!(flags & GLOB_APPEND)) | |
382 | globfree (pglob); | |
383 | return GLOB_NOSPACE; | |
384 | } | |
385 | #endif | |
386 | ||
387 | /* We know the prefix for all sub-patterns. */ | |
86187531 UD |
388 | #ifdef HAVE_MEMPCPY |
389 | alt_start = mempcpy (onealt, pattern, begin - pattern); | |
390 | #else | |
5ae9d168 UD |
391 | memcpy (onealt, pattern, begin - pattern); |
392 | alt_start = &onealt[begin - pattern]; | |
86187531 | 393 | #endif |
5ae9d168 UD |
394 | |
395 | /* Find the first sub-pattern and at the same time find the | |
396 | rest after the closing brace. */ | |
397 | next = next_brace_sub (begin + 1); | |
398 | if (next == NULL) | |
787e4db9 | 399 | { |
5ae9d168 UD |
400 | /* It is an illegal expression. */ |
401 | #ifndef __GNUC__ | |
402 | free (onealt); | |
403 | #endif | |
404 | return glob (pattern, flags & ~GLOB_BRACE, errfunc, pglob); | |
405 | } | |
406 | ||
407 | /* Now find the end of the whole brace expression. */ | |
408 | rest = next; | |
409 | while (*rest != '}') | |
410 | { | |
411 | rest = next_brace_sub (rest + 1); | |
412 | if (rest == NULL) | |
787e4db9 | 413 | { |
5ae9d168 UD |
414 | /* It is an illegal expression. */ |
415 | #ifndef __GNUC__ | |
416 | free (onealt); | |
417 | #endif | |
418 | return glob (pattern, flags & ~GLOB_BRACE, errfunc, pglob); | |
6025c399 | 419 | } |
6025c399 | 420 | } |
5ae9d168 UD |
421 | /* Please note that we now can be sure the brace expression |
422 | is well-formed. */ | |
423 | rest_len = strlen (++rest) + 1; | |
6025c399 RM |
424 | |
425 | /* We have a brace expression. BEGIN points to the opening {, | |
426 | NEXT points past the terminator of the first element, and END | |
427 | points past the final }. We will accumulate result names from | |
428 | recursive runs for each brace alternative in the buffer using | |
429 | GLOB_APPEND. */ | |
430 | ||
431 | if (!(flags & GLOB_APPEND)) | |
432 | { | |
433 | /* This call is to set a new vector, so clear out the | |
434 | vector so we can append to it. */ | |
435 | pglob->gl_pathc = 0; | |
436 | pglob->gl_pathv = NULL; | |
437 | } | |
438 | firstc = pglob->gl_pathc; | |
439 | ||
6025c399 RM |
440 | p = begin + 1; |
441 | while (1) | |
442 | { | |
6025c399 | 443 | int result; |
5ae9d168 UD |
444 | |
445 | /* Construct the new glob expression. */ | |
dd7d45e8 UD |
446 | #ifdef HAVE_MEMPCPY |
447 | mempcpy (mempcpy (alt_start, p, next - p), rest, rest_len); | |
448 | #else | |
5ae9d168 UD |
449 | memcpy (alt_start, p, next - p); |
450 | memcpy (&alt_start[next - p], rest, rest_len); | |
dd7d45e8 | 451 | #endif |
5ae9d168 | 452 | |
6025c399 | 453 | result = glob (onealt, |
5ae9d168 UD |
454 | ((flags & ~(GLOB_NOCHECK|GLOB_NOMAGIC)) |
455 | | GLOB_APPEND), errfunc, pglob); | |
6025c399 RM |
456 | |
457 | /* If we got an error, return it. */ | |
458 | if (result && result != GLOB_NOMATCH) | |
787e4db9 | 459 | { |
5ae9d168 UD |
460 | #ifndef __GNUC__ |
461 | free (onealt); | |
462 | #endif | |
6025c399 RM |
463 | if (!(flags & GLOB_APPEND)) |
464 | globfree (pglob); | |
465 | return result; | |
466 | } | |
467 | ||
5ae9d168 UD |
468 | if (*next == '}') |
469 | /* We saw the last entry. */ | |
470 | break; | |
471 | ||
472 | p = next + 1; | |
473 | next = next_brace_sub (p); | |
474 | assert (next != NULL); | |
787e4db9 | 475 | } |
6025c399 | 476 | |
5ae9d168 UD |
477 | #ifndef __GNUC__ |
478 | free (onealt); | |
479 | #endif | |
480 | ||
481 | if (pglob->gl_pathc != firstc) | |
482 | /* We found some entries. */ | |
483 | return 0; | |
484 | else if (!(flags & (GLOB_NOCHECK|GLOB_NOMAGIC))) | |
6025c399 | 485 | return GLOB_NOMATCH; |
787e4db9 RM |
486 | } |
487 | } | |
488 | ||
28f540f4 RM |
489 | /* Find the filename. */ |
490 | filename = strrchr (pattern, '/'); | |
491 | if (filename == NULL) | |
492 | { | |
493 | filename = pattern; | |
9fb16eea RM |
494 | #ifdef _AMIGA |
495 | dirname = (char *) ""; | |
496 | #else | |
28f540f4 | 497 | dirname = (char *) "."; |
9fb16eea | 498 | #endif |
28f540f4 RM |
499 | dirlen = 0; |
500 | } | |
501 | else if (filename == pattern) | |
502 | { | |
503 | /* "/pattern". */ | |
504 | dirname = (char *) "/"; | |
505 | dirlen = 1; | |
506 | ++filename; | |
507 | } | |
508 | else | |
509 | { | |
510 | dirlen = filename - pattern; | |
511 | dirname = (char *) __alloca (dirlen + 1); | |
dd7d45e8 UD |
512 | #ifdef HAVE_MEMPCPY |
513 | *((char *) mempcpy (dirname, pattern, dirlen)) = '\0'; | |
514 | #else | |
28f540f4 RM |
515 | memcpy (dirname, pattern, dirlen); |
516 | dirname[dirlen] = '\0'; | |
dd7d45e8 | 517 | #endif |
28f540f4 RM |
518 | ++filename; |
519 | } | |
520 | ||
521 | if (filename[0] == '\0' && dirlen > 1) | |
522 | /* "pattern/". Expand "pattern", appending slashes. */ | |
523 | { | |
524 | int val = glob (dirname, flags | GLOB_MARK, errfunc, pglob); | |
525 | if (val == 0) | |
526 | pglob->gl_flags = (pglob->gl_flags & ~GLOB_MARK) | (flags & GLOB_MARK); | |
527 | return val; | |
528 | } | |
529 | ||
530 | if (!(flags & GLOB_APPEND)) | |
531 | { | |
532 | pglob->gl_pathc = 0; | |
533 | pglob->gl_pathv = NULL; | |
534 | } | |
535 | ||
536 | oldcount = pglob->gl_pathc; | |
537 | ||
0efef8fc | 538 | #ifndef VMS |
787e4db9 RM |
539 | if ((flags & GLOB_TILDE) && dirname[0] == '~') |
540 | { | |
5ae9d168 | 541 | if (dirname[1] == '\0' || dirname[1] == '/') |
787e4db9 RM |
542 | { |
543 | /* Look up home directory. */ | |
5ae9d168 | 544 | char *home_dir = getenv ("HOME"); |
61eb22d3 | 545 | # ifdef _AMIGA |
5ae9d168 UD |
546 | if (home_dir == NULL || home_dir[0] == '\0') |
547 | home_dir = "SYS:"; | |
61eb22d3 UD |
548 | # else |
549 | # ifdef WINDOWS32 | |
5ae9d168 UD |
550 | if (home_dir == NULL || home_dir[0] == '\0') |
551 | home_dir = "c:/users/default"; /* poor default */ | |
61eb22d3 | 552 | # else |
5ae9d168 | 553 | if (home_dir == NULL || home_dir[0] == '\0') |
787e4db9 | 554 | { |
e4cf5070 | 555 | int success; |
61eb22d3 | 556 | # if defined HAVE_GETLOGIN_R || defined _LIBC |
ca34d7a7 | 557 | extern int getlogin_r __P ((char *, size_t)); |
e4cf5070 UD |
558 | size_t buflen = sysconf (_SC_LOGIN_NAME_MAX) + 1; |
559 | char *name; | |
560 | ||
561 | if (buflen == 0) | |
562 | /* `sysconf' does not support _SC_LOGIN_NAME_MAX. Try | |
563 | a moderate value. */ | |
564 | buflen = 16; | |
ca34d7a7 | 565 | name = (char *) __alloca (buflen); |
e4cf5070 UD |
566 | |
567 | success = getlogin_r (name, buflen) >= 0; | |
61eb22d3 | 568 | # else |
ca34d7a7 | 569 | extern char *getlogin __P ((void)); |
e4cf5070 | 570 | char *name; |
ca34d7a7 | 571 | |
e4cf5070 | 572 | success = (name = getlogin ()) != NULL; |
61eb22d3 | 573 | # endif |
e4cf5070 | 574 | if (success) |
787e4db9 | 575 | { |
61eb22d3 | 576 | # if defined HAVE_GETPWNAM_R || defined _LIBC |
e4cf5070 UD |
577 | size_t pwbuflen = sysconf (_SC_GETPW_R_SIZE_MAX); |
578 | char *pwtmpbuf; | |
579 | struct passwd pwbuf, *p; | |
580 | ||
ca34d7a7 | 581 | pwtmpbuf = (char *) __alloca (pwbuflen); |
e4cf5070 UD |
582 | |
583 | success = (__getpwnam_r (name, &pwbuf, pwtmpbuf, | |
584 | pwbuflen, &p) >= 0); | |
61eb22d3 | 585 | # else |
787e4db9 | 586 | struct passwd *p = getpwnam (name); |
e4cf5070 | 587 | success = p != NULL; |
61eb22d3 | 588 | # endif |
e4cf5070 | 589 | if (success) |
5ae9d168 | 590 | home_dir = p->pw_dir; |
787e4db9 RM |
591 | } |
592 | } | |
5ae9d168 UD |
593 | if (home_dir == NULL || home_dir[0] == '\0') |
594 | home_dir = (char *) "~"; /* No luck. */ | |
61eb22d3 UD |
595 | # endif /* WINDOWS32 */ |
596 | # endif | |
5ae9d168 UD |
597 | /* Now construct the full directory. */ |
598 | if (dirname[1] == '\0') | |
599 | dirname = home_dir; | |
600 | else | |
601 | { | |
602 | char *newp; | |
603 | size_t home_len = strlen (home_dir); | |
ca34d7a7 | 604 | newp = (char *) __alloca (home_len + dirlen); |
dd7d45e8 UD |
605 | # ifdef HAVE_MEMPCPY |
606 | mempcpy (mempcpy (newp, home_dir, home_len), | |
607 | &dirname[1], dirlen); | |
608 | # else | |
5ae9d168 UD |
609 | memcpy (newp, home_dir, home_len); |
610 | memcpy (&newp[home_len], &dirname[1], dirlen); | |
dd7d45e8 | 611 | # endif |
5ae9d168 UD |
612 | dirname = newp; |
613 | } | |
787e4db9 | 614 | } |
61eb22d3 | 615 | # if !defined _AMIGA && !defined WINDOWS32 |
787e4db9 RM |
616 | else |
617 | { | |
5ae9d168 UD |
618 | char *end_name = strchr (dirname, '/'); |
619 | char *user_name; | |
620 | char *home_dir; | |
621 | ||
622 | if (end_name == NULL) | |
623 | user_name = dirname + 1; | |
624 | else | |
625 | { | |
ca34d7a7 | 626 | user_name = (char *) __alloca (end_name - dirname); |
dd7d45e8 UD |
627 | # ifdef HAVE_MEMPCPY |
628 | *((char *) mempcpy (user_name, dirname + 1, end_name - dirname)) | |
629 | = '\0'; | |
630 | # else | |
5ae9d168 UD |
631 | memcpy (user_name, dirname + 1, end_name - dirname); |
632 | user_name[end_name - dirname - 1] = '\0'; | |
dd7d45e8 | 633 | # endif |
5ae9d168 UD |
634 | } |
635 | ||
787e4db9 | 636 | /* Look up specific user's home directory. */ |
5ae9d168 | 637 | { |
61eb22d3 | 638 | # if defined HAVE_GETPWNAM_R || defined _LIBC |
5ae9d168 | 639 | size_t buflen = sysconf (_SC_GETPW_R_SIZE_MAX); |
ca34d7a7 | 640 | char *pwtmpbuf = (char *) __alloca (buflen); |
5ae9d168 UD |
641 | struct passwd pwbuf, *p; |
642 | if (__getpwnam_r (user_name, &pwbuf, pwtmpbuf, buflen, &p) >= 0) | |
643 | home_dir = p->pw_dir; | |
644 | else | |
645 | home_dir = NULL; | |
61eb22d3 | 646 | # else |
5ae9d168 UD |
647 | struct passwd *p = getpwnam (user_name); |
648 | if (p != NULL) | |
649 | home_dir = p->pw_dir; | |
650 | else | |
651 | home_dir = NULL; | |
61eb22d3 | 652 | # endif |
5ae9d168 UD |
653 | } |
654 | /* If we found a home directory use this. */ | |
655 | if (home_dir != NULL) | |
656 | { | |
657 | char *newp; | |
658 | size_t home_len = strlen (home_dir); | |
659 | size_t rest_len = end_name == NULL ? 0 : strlen (end_name); | |
ca34d7a7 | 660 | newp = (char *) __alloca (home_len + rest_len + 1); |
dd7d45e8 UD |
661 | # ifdef HAVE_MEMPCPY |
662 | *((char *) mempcpy (mempcpy (newp, home_dir, home_len), | |
663 | end_name, rest_len)) = '\0'; | |
664 | # else | |
5ae9d168 UD |
665 | memcpy (newp, home_dir, home_len); |
666 | memcpy (&newp[home_len], end_name, rest_len); | |
667 | newp[home_len + rest_len] = '\0'; | |
dd7d45e8 | 668 | # endif |
5ae9d168 UD |
669 | dirname = newp; |
670 | } | |
787e4db9 | 671 | } |
61eb22d3 | 672 | # endif /* Not Amiga && not WINDOWS32. */ |
787e4db9 | 673 | } |
0efef8fc | 674 | #endif /* Not VMS. */ |
787e4db9 | 675 | |
e7fd8a39 | 676 | if (__glob_pattern_p (dirname, !(flags & GLOB_NOESCAPE))) |
28f540f4 RM |
677 | { |
678 | /* The directory name contains metacharacters, so we | |
679 | have to glob for the directory, and then glob for | |
680 | the pattern in each directory found. */ | |
681 | glob_t dirs; | |
682 | register int i; | |
683 | ||
684 | status = glob (dirname, | |
1cab5444 UD |
685 | ((flags & (GLOB_ERR | GLOB_NOCHECK | GLOB_NOESCAPE)) |
686 | | GLOB_NOSORT | GLOB_ONLYDIR), | |
28f540f4 RM |
687 | errfunc, &dirs); |
688 | if (status != 0) | |
689 | return status; | |
690 | ||
691 | /* We have successfully globbed the preceding directory name. | |
692 | For each name we found, call glob_in_dir on it and FILENAME, | |
693 | appending the results to PGLOB. */ | |
694 | for (i = 0; i < dirs.gl_pathc; ++i) | |
695 | { | |
cc60175e | 696 | int old_pathc; |
28f540f4 RM |
697 | |
698 | #ifdef SHELL | |
699 | { | |
700 | /* Make globbing interruptible in the bash shell. */ | |
701 | extern int interrupt_state; | |
702 | ||
703 | if (interrupt_state) | |
704 | { | |
705 | globfree (&dirs); | |
706 | globfree (&files); | |
714a562f | 707 | return GLOB_ABORTED; |
28f540f4 RM |
708 | } |
709 | } | |
710 | #endif /* SHELL. */ | |
711 | ||
cc60175e | 712 | old_pathc = pglob->gl_pathc; |
28f540f4 | 713 | status = glob_in_dir (filename, dirs.gl_pathv[i], |
1cab5444 UD |
714 | ((flags | GLOB_APPEND) |
715 | & ~(GLOB_NOCHECK | GLOB_ERR)), | |
28f540f4 RM |
716 | errfunc, pglob); |
717 | if (status == GLOB_NOMATCH) | |
718 | /* No matches in this directory. Try the next. */ | |
719 | continue; | |
720 | ||
721 | if (status != 0) | |
722 | { | |
723 | globfree (&dirs); | |
724 | globfree (pglob); | |
725 | return status; | |
726 | } | |
727 | ||
728 | /* Stick the directory on the front of each name. */ | |
729 | if (prefix_array (dirs.gl_pathv[i], | |
cc60175e UD |
730 | &pglob->gl_pathv[old_pathc], |
731 | pglob->gl_pathc - old_pathc)) | |
28f540f4 RM |
732 | { |
733 | globfree (&dirs); | |
734 | globfree (pglob); | |
735 | return GLOB_NOSPACE; | |
736 | } | |
737 | } | |
738 | ||
739 | flags |= GLOB_MAGCHAR; | |
740 | ||
741 | if (pglob->gl_pathc == oldcount) | |
742 | /* No matches. */ | |
743 | if (flags & GLOB_NOCHECK) | |
744 | { | |
745 | size_t len = strlen (pattern) + 1; | |
746 | char *patcopy = (char *) malloc (len); | |
747 | if (patcopy == NULL) | |
748 | return GLOB_NOSPACE; | |
749 | memcpy (patcopy, pattern, len); | |
750 | ||
751 | pglob->gl_pathv | |
752 | = (char **) realloc (pglob->gl_pathv, | |
753 | (pglob->gl_pathc + | |
754 | ((flags & GLOB_DOOFFS) ? | |
755 | pglob->gl_offs : 0) + | |
756 | 1 + 1) * | |
757 | sizeof (char *)); | |
758 | if (pglob->gl_pathv == NULL) | |
759 | { | |
760 | free (patcopy); | |
761 | return GLOB_NOSPACE; | |
762 | } | |
763 | ||
764 | if (flags & GLOB_DOOFFS) | |
765 | while (pglob->gl_pathc < pglob->gl_offs) | |
766 | pglob->gl_pathv[pglob->gl_pathc++] = NULL; | |
767 | ||
768 | pglob->gl_pathv[pglob->gl_pathc++] = patcopy; | |
769 | pglob->gl_pathv[pglob->gl_pathc] = NULL; | |
770 | pglob->gl_flags = flags; | |
771 | } | |
772 | else | |
773 | return GLOB_NOMATCH; | |
774 | } | |
775 | else | |
776 | { | |
777 | status = glob_in_dir (filename, dirname, flags, errfunc, pglob); | |
778 | if (status != 0) | |
779 | return status; | |
780 | ||
781 | if (dirlen > 0) | |
782 | { | |
783 | /* Stick the directory on the front of each name. */ | |
cc60175e UD |
784 | int ignore = oldcount; |
785 | ||
786 | if ((flags & GLOB_DOOFFS) && ignore < pglob->gl_offs) | |
787 | ignore = pglob->gl_offs; | |
788 | ||
28f540f4 | 789 | if (prefix_array (dirname, |
cc60175e UD |
790 | &pglob->gl_pathv[ignore], |
791 | pglob->gl_pathc - ignore)) | |
28f540f4 RM |
792 | { |
793 | globfree (pglob); | |
794 | return GLOB_NOSPACE; | |
795 | } | |
796 | } | |
797 | } | |
798 | ||
bf3ccd1a RM |
799 | if (flags & GLOB_MARK) |
800 | { | |
c043db7a | 801 | /* Append slashes to directory names. */ |
bf3ccd1a RM |
802 | int i; |
803 | struct stat st; | |
804 | for (i = oldcount; i < pglob->gl_pathc; ++i) | |
a9ddb793 UD |
805 | if (((flags & GLOB_ALTDIRFUNC) |
806 | ? (*pglob->gl_stat) (pglob->gl_pathv[i], &st) | |
807 | : __stat (pglob->gl_pathv[i], &st)) == 0 | |
808 | && S_ISDIR (st.st_mode)) | |
a993273c RM |
809 | { |
810 | size_t len = strlen (pglob->gl_pathv[i]) + 2; | |
811 | char *new = realloc (pglob->gl_pathv[i], len); | |
812 | if (new == NULL) | |
813 | { | |
814 | globfree (pglob); | |
815 | return GLOB_NOSPACE; | |
816 | } | |
817 | strcpy (&new[len - 2], "/"); | |
818 | pglob->gl_pathv[i] = new; | |
819 | } | |
bf3ccd1a RM |
820 | } |
821 | ||
28f540f4 | 822 | if (!(flags & GLOB_NOSORT)) |
cc60175e UD |
823 | { |
824 | /* Sort the vector. */ | |
825 | int non_sort = oldcount; | |
826 | ||
827 | if ((flags & GLOB_DOOFFS) && pglob->gl_offs > oldcount) | |
828 | non_sort = pglob->gl_offs; | |
829 | ||
830 | qsort ((__ptr_t) &pglob->gl_pathv[non_sort], | |
831 | pglob->gl_pathc - non_sort, | |
832 | sizeof (char *), collated_compare); | |
833 | } | |
28f540f4 RM |
834 | |
835 | return 0; | |
836 | } | |
837 | ||
838 | ||
839 | /* Free storage allocated in PGLOB by a previous `glob' call. */ | |
840 | void | |
841 | globfree (pglob) | |
842 | register glob_t *pglob; | |
843 | { | |
844 | if (pglob->gl_pathv != NULL) | |
845 | { | |
846 | register int i; | |
847 | for (i = 0; i < pglob->gl_pathc; ++i) | |
848 | if (pglob->gl_pathv[i] != NULL) | |
849 | free ((__ptr_t) pglob->gl_pathv[i]); | |
850 | free ((__ptr_t) pglob->gl_pathv); | |
851 | } | |
852 | } | |
853 | ||
854 | ||
855 | /* Do a collated comparison of A and B. */ | |
856 | static int | |
857 | collated_compare (a, b) | |
858 | const __ptr_t a; | |
859 | const __ptr_t b; | |
860 | { | |
861 | const char *const s1 = *(const char *const * const) a; | |
862 | const char *const s2 = *(const char *const * const) b; | |
863 | ||
864 | if (s1 == s2) | |
865 | return 0; | |
866 | if (s1 == NULL) | |
867 | return 1; | |
868 | if (s2 == NULL) | |
869 | return -1; | |
870 | return strcoll (s1, s2); | |
871 | } | |
872 | ||
873 | ||
874 | /* Prepend DIRNAME to each of N members of ARRAY, replacing ARRAY's | |
875 | elements in place. Return nonzero if out of memory, zero if successful. | |
876 | A slash is inserted between DIRNAME and each elt of ARRAY, | |
877 | unless DIRNAME is just "/". Each old element of ARRAY is freed. */ | |
878 | static int | |
879 | prefix_array (dirname, array, n) | |
880 | const char *dirname; | |
881 | char **array; | |
882 | size_t n; | |
883 | { | |
884 | register size_t i; | |
885 | size_t dirlen = strlen (dirname); | |
886 | ||
887 | if (dirlen == 1 && dirname[0] == '/') | |
888 | /* DIRNAME is just "/", so normal prepending would get us "//foo". | |
889 | We want "/foo" instead, so don't prepend any chars from DIRNAME. */ | |
890 | dirlen = 0; | |
891 | ||
892 | for (i = 0; i < n; ++i) | |
893 | { | |
894 | size_t eltlen = strlen (array[i]) + 1; | |
895 | char *new = (char *) malloc (dirlen + 1 + eltlen); | |
896 | if (new == NULL) | |
897 | { | |
898 | while (i > 0) | |
899 | free ((__ptr_t) array[--i]); | |
900 | return 1; | |
901 | } | |
902 | ||
dd7d45e8 UD |
903 | #ifdef HAVE_MEMPCPY |
904 | { | |
905 | char *endp = (char *) mempcpy (new, dirname, dirlen); | |
906 | *endp++ = '/'; | |
907 | mempcpy (endp, array[i], eltlen); | |
908 | } | |
909 | #else | |
28f540f4 RM |
910 | memcpy (new, dirname, dirlen); |
911 | new[dirlen] = '/'; | |
912 | memcpy (&new[dirlen + 1], array[i], eltlen); | |
dd7d45e8 | 913 | #endif |
28f540f4 RM |
914 | free ((__ptr_t) array[i]); |
915 | array[i] = new; | |
916 | } | |
917 | ||
918 | return 0; | |
919 | } | |
920 | ||
921 | ||
922 | /* Return nonzero if PATTERN contains any metacharacters. | |
923 | Metacharacters can be quoted with backslashes if QUOTE is nonzero. */ | |
e7fd8a39 UD |
924 | int |
925 | __glob_pattern_p (pattern, quote) | |
28f540f4 RM |
926 | const char *pattern; |
927 | int quote; | |
928 | { | |
929 | register const char *p; | |
930 | int open = 0; | |
931 | ||
932 | for (p = pattern; *p != '\0'; ++p) | |
933 | switch (*p) | |
934 | { | |
935 | case '?': | |
936 | case '*': | |
937 | return 1; | |
938 | ||
939 | case '\\': | |
299a95b9 | 940 | if (quote && p[1] != '\0') |
28f540f4 RM |
941 | ++p; |
942 | break; | |
943 | ||
944 | case '[': | |
945 | open = 1; | |
946 | break; | |
947 | ||
948 | case ']': | |
949 | if (open) | |
950 | return 1; | |
951 | break; | |
952 | } | |
953 | ||
954 | return 0; | |
955 | } | |
e7fd8a39 UD |
956 | #ifdef _LIBC |
957 | weak_alias (__glob_pattern_p, glob_pattern_p) | |
958 | #endif | |
28f540f4 RM |
959 | |
960 | ||
961 | /* Like `glob', but PATTERN is a final pathname component, | |
962 | and matches are searched for in DIRECTORY. | |
963 | The GLOB_NOSORT bit in FLAGS is ignored. No sorting is ever done. | |
964 | The GLOB_APPEND flag is assumed to be set (always appends). */ | |
965 | static int | |
966 | glob_in_dir (pattern, directory, flags, errfunc, pglob) | |
967 | const char *pattern; | |
968 | const char *directory; | |
969 | int flags; | |
970 | int (*errfunc) __P ((const char *, int)); | |
971 | glob_t *pglob; | |
972 | { | |
a9ddb793 | 973 | __ptr_t stream = NULL; |
28f540f4 RM |
974 | |
975 | struct globlink | |
976 | { | |
977 | struct globlink *next; | |
978 | char *name; | |
979 | }; | |
980 | struct globlink *names = NULL; | |
86187531 UD |
981 | size_t nfound; |
982 | int meta; | |
983 | int save; | |
984 | ||
a9ddb793 UD |
985 | meta = __glob_pattern_p (pattern, !(flags & GLOB_NOESCAPE)); |
986 | if (meta == 0) | |
28f540f4 | 987 | { |
a9ddb793 UD |
988 | if (flags & (GLOB_NOCHECK|GLOB_NOMAGIC)) |
989 | /* We need not do any tests. The PATTERN contains no meta | |
990 | characters and we must not return an error therefore the | |
991 | result will always contain exactly the one name. */ | |
992 | flags |= GLOB_NOCHECK; | |
993 | else | |
994 | { | |
995 | /* Since we use the normal file functions we can also use stat() | |
996 | to verify the file is there. */ | |
997 | struct stat st; | |
998 | size_t patlen = strlen (pattern); | |
999 | size_t dirlen = strlen (directory); | |
1000 | char *fullname = __alloca (dirlen + 1 + patlen + 1); | |
1001 | ||
1002 | # ifdef HAVE_MEMPCPY | |
1003 | mempcpy (mempcpy (mempcpy (fullname, directory, dirlen), | |
1004 | "/", 1), | |
1005 | pattern, patlen + 1); | |
1006 | # else | |
1007 | memcpy (fullname, directory, dirlen); | |
1008 | fullname[dirlen] = '/'; | |
1009 | memcpy (&fullname[dirlen + 1], pattern, patlen + 1); | |
1010 | # endif | |
1011 | if (((flags & GLOB_ALTDIRFUNC) | |
1012 | ? (*pglob->gl_stat) (fullname, &st) | |
1013 | : __stat (fullname, &st)) == 0) | |
1014 | /* We found this file to be existing. No tell the rest | |
1015 | of the function to copy this name into the result. */ | |
1016 | flags |= GLOB_NOCHECK; | |
1017 | } | |
1018 | ||
86187531 | 1019 | nfound = 0; |
28f540f4 RM |
1020 | } |
1021 | else | |
1022 | { | |
a9ddb793 | 1023 | if (pattern[0] == '\0') |
28f540f4 | 1024 | { |
a9ddb793 UD |
1025 | /* This is a special case for matching directories like in |
1026 | "*a/". */ | |
1027 | names = (struct globlink *) __alloca (sizeof (struct globlink)); | |
1028 | names->name = (char *) malloc (1); | |
1029 | if (names->name == NULL) | |
1030 | goto memory_error; | |
1031 | names->name[0] = '\0'; | |
1032 | names->next = NULL; | |
1033 | nfound = 1; | |
1034 | meta = 0; | |
1035 | } | |
1036 | else | |
1037 | { | |
1038 | stream = ((flags & GLOB_ALTDIRFUNC) | |
1039 | ? (*pglob->gl_opendir) (directory) | |
1040 | : (__ptr_t) opendir (directory)); | |
1041 | if (stream == NULL) | |
1042 | { | |
1043 | if ((errfunc != NULL && (*errfunc) (directory, errno)) | |
1044 | || (flags & GLOB_ERR)) | |
1045 | return GLOB_ABORTED; | |
1046 | nfound = 0; | |
1047 | meta = 0; | |
1048 | } | |
1049 | else | |
1050 | { | |
1051 | int fnm_flags = ((!(flags & GLOB_PERIOD) ? FNM_PERIOD : 0) | |
1052 | | ((flags & GLOB_NOESCAPE) ? FNM_NOESCAPE : 0) | |
1053 | #if defined _AMIGA || defined VMS | |
1054 | | FNM_CASEFOLD | |
1055 | #endif | |
1056 | ); | |
1057 | nfound = 0; | |
1058 | flags |= GLOB_MAGCHAR; | |
1059 | ||
1060 | while (1) | |
1061 | { | |
1062 | const char *name; | |
1063 | size_t len; | |
1064 | struct dirent *d = ((flags & GLOB_ALTDIRFUNC) | |
1065 | ? (*pglob->gl_readdir) (stream) | |
1066 | : readdir ((DIR *) stream)); | |
1067 | if (d == NULL) | |
1068 | break; | |
1069 | if (! REAL_DIR_ENTRY (d)) | |
1070 | continue; | |
787e4db9 | 1071 | |
1cab5444 | 1072 | #ifdef HAVE_D_TYPE |
a9ddb793 UD |
1073 | /* If we shall match only directories use the information |
1074 | provided by the dirent call if possible. */ | |
1075 | if ((flags & GLOB_ONLYDIR) | |
1076 | && d->d_type != DT_UNKNOWN && d->d_type != DT_DIR) | |
1077 | continue; | |
1cab5444 UD |
1078 | #endif |
1079 | ||
a9ddb793 | 1080 | name = d->d_name; |
86187531 | 1081 | |
a9ddb793 UD |
1082 | if (fnmatch (pattern, name, fnm_flags) == 0) |
1083 | { | |
1084 | struct globlink *new = (struct globlink *) | |
1085 | __alloca (sizeof (struct globlink)); | |
1086 | len = NAMLEN (d); | |
1087 | new->name = (char *) malloc (len + 1); | |
1088 | if (new->name == NULL) | |
1089 | goto memory_error; | |
dd7d45e8 | 1090 | #ifdef HAVE_MEMPCPY |
a9ddb793 UD |
1091 | *((char *) mempcpy ((__ptr_t) new->name, name, len)) |
1092 | = '\0'; | |
dd7d45e8 | 1093 | #else |
a9ddb793 UD |
1094 | memcpy ((__ptr_t) new->name, name, len); |
1095 | new->name[len] = '\0'; | |
dd7d45e8 | 1096 | #endif |
a9ddb793 UD |
1097 | new->next = names; |
1098 | names = new; | |
1099 | ++nfound; | |
1100 | } | |
1101 | } | |
86187531 UD |
1102 | } |
1103 | } | |
28f540f4 RM |
1104 | } |
1105 | ||
1106 | if (nfound == 0 && (flags & GLOB_NOCHECK)) | |
1107 | { | |
1108 | size_t len = strlen (pattern); | |
1109 | nfound = 1; | |
1110 | names = (struct globlink *) __alloca (sizeof (struct globlink)); | |
1111 | names->next = NULL; | |
a993273c | 1112 | names->name = (char *) malloc (len + 1); |
28f540f4 RM |
1113 | if (names->name == NULL) |
1114 | goto memory_error; | |
dd7d45e8 UD |
1115 | #ifdef HAVE_MEMPCPY |
1116 | *((char *) mempcpy (names->name, pattern, len)) = '\0'; | |
1117 | #else | |
28f540f4 | 1118 | memcpy (names->name, pattern, len); |
28f540f4 | 1119 | names->name[len] = '\0'; |
dd7d45e8 | 1120 | #endif |
28f540f4 RM |
1121 | } |
1122 | ||
61eb22d3 UD |
1123 | if (nfound != 0) |
1124 | { | |
1125 | pglob->gl_pathv | |
1126 | = (char **) realloc (pglob->gl_pathv, | |
1127 | (pglob->gl_pathc + | |
1128 | ((flags & GLOB_DOOFFS) ? pglob->gl_offs : 0) + | |
1129 | nfound + 1) * | |
1130 | sizeof (char *)); | |
1131 | if (pglob->gl_pathv == NULL) | |
1132 | goto memory_error; | |
28f540f4 | 1133 | |
61eb22d3 UD |
1134 | if (flags & GLOB_DOOFFS) |
1135 | while (pglob->gl_pathc < pglob->gl_offs) | |
1136 | pglob->gl_pathv[pglob->gl_pathc++] = NULL; | |
28f540f4 | 1137 | |
61eb22d3 UD |
1138 | for (; names != NULL; names = names->next) |
1139 | pglob->gl_pathv[pglob->gl_pathc++] = names->name; | |
1140 | pglob->gl_pathv[pglob->gl_pathc] = NULL; | |
28f540f4 | 1141 | |
61eb22d3 UD |
1142 | pglob->gl_flags = flags; |
1143 | } | |
28f540f4 | 1144 | |
86187531 | 1145 | save = errno; |
a9ddb793 UD |
1146 | if (stream != NULL) |
1147 | if (flags & GLOB_ALTDIRFUNC) | |
1148 | (*pglob->gl_closedir) (stream); | |
1149 | else | |
1150 | closedir ((DIR *) stream); | |
86187531 UD |
1151 | __set_errno (save); |
1152 | ||
28f540f4 RM |
1153 | return nfound == 0 ? GLOB_NOMATCH : 0; |
1154 | ||
1155 | memory_error: | |
1156 | { | |
1157 | int save = errno; | |
787e4db9 RM |
1158 | if (flags & GLOB_ALTDIRFUNC) |
1159 | (*pglob->gl_closedir) (stream); | |
28f540f4 | 1160 | else |
faf92f2a | 1161 | closedir ((DIR *) stream); |
c4029823 | 1162 | __set_errno (save); |
28f540f4 RM |
1163 | } |
1164 | while (names != NULL) | |
1165 | { | |
1166 | if (names->name != NULL) | |
1167 | free ((__ptr_t) names->name); | |
1168 | names = names->next; | |
1169 | } | |
1170 | return GLOB_NOSPACE; | |
1171 | } | |
1172 | ||
787e4db9 | 1173 | #endif /* Not ELIDE_CODE. */ |