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1097 glob(3c) needs to support non-POSIX options
3341 The sftp command should use the native glob()
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--- old/usr/src/lib/libc/port/regex/glob.c
+++ new/usr/src/lib/libc/port/regex/glob.c
1 1 /*
2 2 * CDDL HEADER START
3 3 *
4 4 * The contents of this file are subject to the terms of the
5 5 * Common Development and Distribution License (the "License").
6 6 * You may not use this file except in compliance with the License.
7 7 *
8 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 9 * or http://www.opensolaris.org/os/licensing.
10 10 * See the License for the specific language governing permissions
11 11 * and limitations under the License.
12 12 *
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13 13 * When distributing Covered Code, include this CDDL HEADER in each
14 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 15 * If applicable, add the following below this CDDL HEADER, with the
16 16 * fields enclosed by brackets "[]" replaced with your own identifying
17 17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 18 *
19 19 * CDDL HEADER END
20 20 */
21 21
22 22 /*
23 - * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
24 - * Use is subject to license terms.
23 + * Copyright (c) 2012 Gary Mills
25 24 */
26 25
26 +/* $OpenBSD: glob.c,v 1.39 2012/01/20 07:09:42 tedu Exp $ */
27 27 /*
28 - * This code is MKS code ported to Solaris originally with minimum
29 - * modifications so that upgrades from MKS would readily integrate.
30 - * The MKS basis for this modification was:
28 + * Copyright (c) 1989, 1993
29 + * The Regents of the University of California. All rights reserved.
31 30 *
32 - * $Id: glob.c 1.31 1994/04/07 22:50:43 mark
31 + * This code is derived from software contributed to Berkeley by
32 + * Guido van Rossum.
33 33 *
34 - * Additional modifications have been made to this code to make it
35 - * 64-bit clean.
34 + * Redistribution and use in source and binary forms, with or without
35 + * modification, are permitted provided that the following conditions
36 + * are met:
37 + * 1. Redistributions of source code must retain the above copyright
38 + * notice, this list of conditions and the following disclaimer.
39 + * 2. Redistributions in binary form must reproduce the above copyright
40 + * notice, this list of conditions and the following disclaimer in the
41 + * documentation and/or other materials provided with the distribution.
42 + * 3. Neither the name of the University nor the names of its contributors
43 + * may be used to endorse or promote products derived from this software
44 + * without specific prior written permission.
45 + *
46 + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
47 + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
48 + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
49 + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
50 + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
51 + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
52 + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
53 + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
54 + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
55 + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
56 + * SUCH DAMAGE.
36 57 */
37 58
38 59 /*
39 - * glob, globfree -- POSIX.2 compatible file name expansion routines.
60 + * glob(3) -- a superset of the one defined in POSIX 1003.2.
40 61 *
41 - * Copyright 1985, 1991 by Mortice Kern Systems Inc. All rights reserved.
62 + * The [!...] convention to negate a range is supported (SysV, Posix, ksh).
42 63 *
43 - * Written by Eric Gisin.
64 + * Optional extra services, controlled by flags not defined by POSIX:
65 + *
66 + * GLOB_QUOTE:
67 + * Escaping convention: \ inhibits any special meaning the following
68 + * character might have (except \ at end of string is retained).
69 + * GLOB_MAGCHAR:
70 + * Set in gl_flags if pattern contained a globbing character.
71 + * GLOB_NOMAGIC:
72 + * Same as GLOB_NOCHECK, but it will only append pattern if it did
73 + * not contain any magic characters. [Used in csh style globbing]
74 + * GLOB_ALTDIRFUNC:
75 + * Use alternately specified directory access functions.
76 + * GLOB_TILDE:
77 + * expand ~user/foo to the /home/dir/of/user/foo
78 + * GLOB_BRACE:
79 + * expand {1,2}{a,b} to 1a 1b 2a 2b
80 + * gl_matchc:
81 + * Number of matches in the current invocation of glob.
44 82 */
45 83
46 -#pragma ident "%Z%%M% %I% %E% SMI"
84 +#include <sys/param.h>
85 +#include <sys/stat.h>
47 86
48 -#pragma weak _glob = glob
49 -#pragma weak _globfree = globfree
50 -
51 -#include "lint.h"
52 -#include <stdio.h>
53 -#include <unistd.h>
87 +#include <ctype.h>
88 +#include <dirent.h>
89 +#include <errno.h>
90 +#include <glob.h>
54 91 #include <limits.h>
92 +#include <pwd.h>
93 +#include <stdio.h>
55 94 #include <stdlib.h>
56 95 #include <string.h>
57 -#include <dirent.h>
58 -#include <sys/stat.h>
59 -#include <glob.h>
60 -#include <errno.h>
61 -#include <fnmatch.h>
96 +#include <unistd.h>
97 +#include <wchar.h>
98 +#include <wctype.h>
62 99
63 -#define GLOB__CHECK 0x80 /* stat generated paths */
100 +#define DOLLAR '$'
101 +#define DOT '.'
102 +#define EOS '\0'
103 +#define LBRACKET '['
104 +#define NOT '!'
105 +#define QUESTION '?'
106 +#define QUOTE '\\'
107 +#define RANGE '-'
108 +#define RBRACKET ']'
109 +#define SEP '/'
110 +#define STAR '*'
111 +#define TILDE '~'
112 +#define UNDERSCORE '_'
113 +#define LBRACE '{'
114 +#define RBRACE '}'
115 +#define SLASH '/'
116 +#define COMMA ','
117 +#define COLON ':'
64 118
65 -#define INITIAL 8 /* initial pathv allocation */
66 -#define NULLCPP ((char **)0) /* Null char ** */
67 -#define NAME_MAX 1024 /* something large */
119 +#define M_QUOTE 0x800000
120 +#define M_PROTECT 0x400000
68 121
69 -static int globit(size_t, const char *, glob_t *, int,
70 - int (*)(const char *, int), char **);
71 -static int pstrcmp(const void *, const void *);
72 -static int append(glob_t *, const char *);
122 +typedef struct Char_s {
123 + wchar_t wc;
124 + uint_t at;
125 +} Char;
73 126
127 +#define M_ALL '*' /* Plus M_QUOTE */
128 +#define M_END ']' /* Plus M_QUOTE */
129 +#define M_NOT '!' /* Plus M_QUOTE */
130 +#define M_ONE '?' /* Plus M_QUOTE */
131 +#define M_RNG '-' /* Plus M_QUOTE */
132 +#define M_SET '[' /* Plus M_QUOTE */
133 +#define M_CLASS ':' /* Plus M_QUOTE */
134 +#define ismeta(c) (((c).at&M_QUOTE) != 0)
135 +
136 +#define GLOB_LIMIT_MALLOC 65536
137 +#define GLOB_LIMIT_STAT 2048
138 +#define GLOB_LIMIT_READDIR 16384
139 +
140 +/* Limit of recursion during matching attempts. */
141 +#define GLOB_LIMIT_RECUR 64
142 +
143 +struct glob_lim {
144 + size_t glim_malloc;
145 + size_t glim_stat;
146 + size_t glim_readdir;
147 +};
148 +
149 +struct glob_path_stat {
150 + char *gps_path;
151 + struct stat *gps_stat;
152 +};
153 +
154 +static int compare(const void *, const void *);
155 +static int compare_gps(const void *, const void *);
156 +static int g_Ctoc(const Char *, char *, uint_t);
157 +static int g_lstat(Char *, struct stat *, glob_t *);
158 +static DIR *g_opendir(Char *, glob_t *);
159 +static Char *g_strchr(const Char *, wchar_t);
160 +static int g_stat(Char *, struct stat *, glob_t *);
161 +static int glob0(const Char *, glob_t *, struct glob_lim *,
162 + int (*)(const char *, int));
163 +static int glob1(Char *, Char *, glob_t *, struct glob_lim *,
164 + int (*)(const char *, int));
165 +static int glob2(Char *, Char *, Char *, Char *, Char *, Char *,
166 + glob_t *, struct glob_lim *,
167 + int (*)(const char *, int));
168 +static int glob3(Char *, Char *, Char *, Char *, Char *,
169 + Char *, Char *, glob_t *, struct glob_lim *,
170 + int (*)(const char *, int));
171 +static int globextend(const Char *, glob_t *, struct glob_lim *,
172 + struct stat *);
173 +static
174 +const Char *globtilde(const Char *, Char *, size_t, glob_t *);
175 +static int globexp1(const Char *, glob_t *, struct glob_lim *,
176 + int (*)(const char *, int));
177 +static int globexp2(const Char *, const Char *, glob_t *,
178 + struct glob_lim *, int (*)(const char *, int));
179 +static int match(Char *, Char *, Char *, int);
180 +#ifdef DEBUG
181 +static void qprintf(const char *, Char *);
182 +#endif
183 +
184 +int
185 +glob(const char *pattern, int flags, int (*errfunc)(const char *, int),
186 + glob_t *pglob)
187 +{
188 + const char *patnext;
189 + size_t n;
190 + wchar_t c;
191 + Char *bufnext, *bufend, patbuf[MAXPATHLEN];
192 + struct glob_lim limit = { 0, 0, 0 };
193 +
194 + if (strnlen(pattern, PATH_MAX) == PATH_MAX)
195 + return (GLOB_NOMATCH);
196 +
197 + patnext = pattern;
198 + if (!(flags & GLOB_APPEND)) {
199 + pglob->gl_pathc = 0;
200 + pglob->gl_pathv = NULL;
201 + if ((flags & GLOB_KEEPSTAT) != 0)
202 + pglob->gl_statv = NULL;
203 + if (!(flags & GLOB_DOOFFS))
204 + pglob->gl_offs = 0;
205 + }
206 + pglob->gl_flags = flags & ~GLOB_MAGCHAR;
207 + pglob->gl_matchc = 0;
208 +
209 + if (pglob->gl_offs < 0 || pglob->gl_pathc < 0 ||
210 + pglob->gl_offs >= INT_MAX || pglob->gl_pathc >= INT_MAX ||
211 + pglob->gl_pathc >= INT_MAX - pglob->gl_offs - 1)
212 + return (GLOB_NOSPACE);
213 +
214 + bufnext = patbuf;
215 + bufend = bufnext + MAXPATHLEN - 1;
216 + if (flags & GLOB_NOESCAPE) {
217 + while (bufnext < bufend) {
218 + if ((n = mbtowc(&c, patnext, PATH_MAX)) > 0) {
219 + patnext += n;
220 + bufnext->at = 0;
221 + (bufnext++)->wc = c;
222 + } else if (n == 0) {
223 + break;
224 + } else {
225 + return (GLOB_NOMATCH);
226 + }
227 + }
228 + } else {
229 + /* Protect the quoted characters. */
230 + while (bufnext < bufend) {
231 + if ((n = mbtowc(&c, patnext, PATH_MAX)) > 0) {
232 + patnext += n;
233 + if (c == QUOTE) {
234 + n = mbtowc(&c, patnext, PATH_MAX);
235 + if (n < 0)
236 + return (GLOB_NOMATCH);
237 + if (n > 0)
238 + patnext += n;
239 + if (n == 0)
240 + c = QUOTE;
241 + bufnext->at = M_PROTECT;
242 + (bufnext++)->wc = c;
243 + } else {
244 + bufnext->at = 0;
245 + (bufnext++)->wc = c;
246 + }
247 + } else if (n == 0) {
248 + break;
249 + } else {
250 + return (GLOB_NOMATCH);
251 + }
252 + }
253 + }
254 + bufnext->at = 0;
255 + bufnext->wc = EOS;
256 +
257 + if (flags & GLOB_BRACE)
258 + return (globexp1(patbuf, pglob, &limit, errfunc));
259 + else
260 + return (glob0(patbuf, pglob, &limit, errfunc));
261 +}
262 +
74 263 /*
75 - * Free all space consumed by glob.
264 + * Expand recursively a glob {} pattern. When there is no more expansion
265 + * invoke the standard globbing routine to glob the rest of the magic
266 + * characters
76 267 */
77 -void
78 -globfree(glob_t *gp)
268 +static int
269 +globexp1(const Char *pattern, glob_t *pglob, struct glob_lim *limitp,
270 + int (*errfunc)(const char *, int))
79 271 {
80 - size_t i;
272 + const Char* ptr = pattern;
81 273
82 - if (gp->gl_pathv == 0)
83 - return;
274 + /* Protect a single {}, for find(1), like csh */
275 + if (pattern[0].wc == LBRACE && pattern[1].wc == RBRACE &&
276 + pattern[2].wc == EOS)
277 + return (glob0(pattern, pglob, limitp, errfunc));
84 278
85 - for (i = gp->gl_offs; i < gp->gl_offs + gp->gl_pathc; ++i)
86 - free(gp->gl_pathv[i]);
87 - free((void *)gp->gl_pathv);
279 + if ((ptr = (const Char *) g_strchr(ptr, LBRACE)) != NULL)
280 + return (globexp2(ptr, pattern, pglob, limitp, errfunc));
88 281
89 - gp->gl_pathc = 0;
90 - gp->gl_pathv = NULLCPP;
282 + return (glob0(pattern, pglob, limitp, errfunc));
91 283 }
92 284
285 +
93 286 /*
94 - * Do filename expansion.
287 + * Recursive brace globbing helper. Tries to expand a single brace.
288 + * If it succeeds then it invokes globexp1 with the new pattern.
289 + * If it fails then it tries to glob the rest of the pattern and returns.
95 290 */
96 -int
97 -glob(const char *pattern, int flags,
98 - int (*errfn)(const char *, int), glob_t *gp)
291 +static int
292 +globexp2(const Char *ptr, const Char *pattern, glob_t *pglob,
293 + struct glob_lim *limitp, int (*errfunc)(const char *, int))
99 294 {
100 - int rv;
101 - size_t i;
102 - size_t ipathc;
103 - char *path;
295 + int i, rv;
296 + Char *lm, *ls;
297 + const Char *pe, *pm, *pl;
298 + Char patbuf[MAXPATHLEN];
104 299
105 - if ((flags & GLOB_DOOFFS) == 0)
106 - gp->gl_offs = 0;
300 + /* copy part up to the brace */
301 + for (lm = patbuf, pm = pattern; pm != ptr; *lm++ = *pm++)
302 + ;
303 + lm->at = 0;
304 + lm->wc = EOS;
305 + ls = lm;
107 306
108 - if (!(flags & GLOB_APPEND)) {
109 - gp->gl_pathc = 0;
110 - gp->gl_pathn = gp->gl_offs + INITIAL;
111 - gp->gl_pathv = (char **)malloc(sizeof (char *) * gp->gl_pathn);
307 + /* Find the balanced brace */
308 + for (i = 0, pe = ++ptr; pe->wc != EOS; pe++)
309 + if (pe->wc == LBRACKET) {
310 + /* Ignore everything between [] */
311 + for (pm = pe++; pe->wc != RBRACKET &&
312 + pe->wc != EOS; pe++)
313 + ;
314 + if (pe->wc == EOS) {
315 + /*
316 + * We could not find a matching RBRACKET.
317 + * Ignore and just look for RBRACE
318 + */
319 + pe = pm;
320 + }
321 + } else if (pe->wc == LBRACE) {
322 + i++;
323 + } else if (pe->wc == RBRACE) {
324 + if (i == 0)
325 + break;
326 + i--;
327 + }
112 328
113 - if (gp->gl_pathv == NULLCPP)
114 - return (GLOB_NOSPACE);
115 - gp->gl_pathp = gp->gl_pathv + gp->gl_offs;
329 + /* Non matching braces; just glob the pattern */
330 + if (i != 0 || pe->wc == EOS)
331 + return (glob0(patbuf, pglob, limitp, errfunc));
116 332
117 - for (i = 0; i < gp->gl_offs; ++i)
118 - gp->gl_pathv[i] = NULL;
333 + for (i = 0, pl = pm = ptr; pm <= pe; pm++) {
334 + switch (pm->wc) {
335 + case LBRACKET:
336 + /* Ignore everything between [] */
337 + for (pl = pm++; pm->wc != RBRACKET && pm->wc != EOS;
338 + pm++)
339 + ;
340 + if (pm->wc == EOS) {
341 + /*
342 + * We could not find a matching RBRACKET.
343 + * Ignore and just look for RBRACE
344 + */
345 + pm = pl;
346 + }
347 + break;
348 +
349 + case LBRACE:
350 + i++;
351 + break;
352 +
353 + case RBRACE:
354 + if (i) {
355 + i--;
356 + break;
357 + }
358 + /* FALLTHROUGH */
359 + case COMMA:
360 + if (i && pm->wc == COMMA)
361 + break;
362 + else {
363 + /* Append the current string */
364 + for (lm = ls; (pl < pm); *lm++ = *pl++)
365 + ;
366 +
367 + /*
368 + * Append the rest of the pattern after the
369 + * closing brace
370 + */
371 + for (pl = pe + 1;
372 + (*lm++ = *pl++).wc != EOS; /* */)
373 + ;
374 +
375 + /* Expand the current pattern */
376 + rv = globexp1(patbuf, pglob, limitp, errfunc);
377 + if (rv && rv != GLOB_NOMATCH)
378 + return (rv);
379 +
380 + /* move after the comma, to the next string */
381 + pl = pm + 1;
382 + }
383 + break;
384 +
385 + default:
386 + break;
387 + }
119 388 }
389 + return (0);
390 +}
120 391
121 - if ((path = malloc(strlen(pattern)+1)) == NULL)
122 - return (GLOB_NOSPACE);
123 392
124 - ipathc = gp->gl_pathc;
125 - rv = globit(0, pattern, gp, flags, errfn, &path);
126 393
127 - if (rv == GLOB_ABORTED) {
394 +/*
395 + * expand tilde from the passwd file.
396 + */
397 +static const Char *
398 +globtilde(const Char *pattern, Char *patbuf, size_t patbuf_len, glob_t *pglob)
399 +{
400 + struct passwd *pwd;
401 + char *h;
402 + const Char *p;
403 + Char *b, *eb, *q;
404 + size_t n;
405 + wchar_t c;
406 +
407 + if (pattern->wc != TILDE || !(pglob->gl_flags & GLOB_TILDE))
408 + return (pattern);
409 +
410 + /* Copy up to the end of the string or / */
411 + eb = &patbuf[patbuf_len - 1];
412 + for (p = pattern + 1, q = patbuf;
413 + q < eb && p->wc != EOS && p->wc != SLASH; *q++ = *p++)
414 + ;
415 +
416 + q->at = 0;
417 + q->wc = EOS;
418 +
419 + /* What to do if patbuf is full? */
420 +
421 + if (patbuf[0].wc == EOS) {
128 422 /*
129 - * User's error function returned non-zero, or GLOB_ERR was
130 - * set, and we encountered a directory we couldn't search.
423 + * handle a plain ~ or ~/ by expanding $HOME
424 + * first and then trying the password file
131 425 */
132 - free(path);
133 - return (GLOB_ABORTED);
426 + if (issetugid() != 0 || (h = getenv("HOME")) == NULL) {
427 + if ((pwd = getpwuid(getuid())) == NULL)
428 + return (pattern);
429 + else
430 + h = pwd->pw_dir;
431 + }
432 + } else {
433 + /*
434 + * Expand a ~user
435 + */
436 + if ((pwd = getpwnam((char *)patbuf)) == NULL)
437 + return (pattern);
438 + else
439 + h = pwd->pw_dir;
134 440 }
135 441
136 - i = gp->gl_pathc - ipathc;
137 - if (i >= 1 && !(flags & GLOB_NOSORT)) {
138 - qsort((char *)(gp->gl_pathp+ipathc), i, sizeof (char *),
139 - pstrcmp);
442 + /* Copy the home directory */
443 + for (b = patbuf; b < eb && *h != EOS; b++) {
444 + if ((n = mbtowc(&c, h, PATH_MAX)) > 0) {
445 + h += n;
446 + b->at = 0;
447 + b->wc = c;
448 + } else {
449 + break;
450 + }
140 451 }
141 - if (i == 0) {
142 - if (flags & GLOB_NOCHECK)
143 - (void) append(gp, pattern);
144 - else
145 - rv = GLOB_NOMATCH;
146 - }
147 - gp->gl_pathp[gp->gl_pathc] = NULL;
148 - free(path);
149 452
150 - return (rv);
453 + /* Append the rest of the pattern */
454 + while (b < eb && (*b++ = *p++).wc != EOS)
455 + ;
456 + b->at = 0;
457 + b->wc = EOS;
458 +
459 + return (patbuf);
151 460 }
152 461
462 +static int
463 +g_charclass(const Char **patternp, Char **bufnextp)
464 +{
465 + const Char *pattern = *patternp + 1;
466 + Char *bufnext = *bufnextp;
467 + const Char *colon;
468 + char cbuf[MB_LEN_MAX + 32];
469 + wctype_t cc;
470 + size_t len;
153 471
472 + if ((colon = g_strchr(pattern, COLON)) == NULL ||
473 + colon[1].wc != RBRACKET)
474 + return (1); /* not a character class */
475 +
476 + len = (size_t)(colon - pattern);
477 + if (len + MB_LEN_MAX + 1 > sizeof (cbuf))
478 + return (-1); /* invalid character class */
479 + {
480 + wchar_t w;
481 + const Char *s1 = pattern;
482 + char *s2 = cbuf;
483 + size_t n = len;
484 +
485 + /* Copy the string. */
486 + while (n > 0) {
487 + w = (s1++)->wc;
488 + /* Character class names must be ASCII. */
489 + if (iswascii(w)) {
490 + n--;
491 + *s2++ = w;
492 + } else {
493 + return (-1); /* invalid character class */
494 + }
495 + }
496 + *s2 = EOS;
497 + }
498 + if ((cc = wctype(cbuf)) == 0)
499 + return (-1); /* invalid character class */
500 + bufnext->at = M_QUOTE;
501 + (bufnext++)->wc = M_CLASS;
502 + bufnext->at = 0;
503 + (bufnext++)->wc = cc;
504 + *bufnextp = bufnext;
505 + *patternp += len + 3;
506 +
507 + return (0);
508 +}
509 +
154 510 /*
155 - * Recursive routine to match glob pattern, and walk directories.
511 + * The main glob() routine: compiles the pattern (optionally processing
512 + * quotes), calls glob1() to do the real pattern matching, and finally
513 + * sorts the list (unless unsorted operation is requested). Returns 0
514 + * if things went well, nonzero if errors occurred. It is not an error
515 + * to find no matches.
156 516 */
157 -int
158 -globit(size_t dend, const char *sp, glob_t *gp, int flags,
159 - int (*errfn)(const char *, int), char **path)
517 +static int
518 +glob0(const Char *pattern, glob_t *pglob, struct glob_lim *limitp,
519 + int (*errfunc)(const char *, int))
160 520 {
161 - size_t n;
162 - size_t m;
163 - ssize_t end = 0; /* end of expanded directory */
164 - char *pat = (char *)sp; /* pattern component */
165 - char *dp = (*path) + dend;
166 - int expand = 0; /* path has pattern */
167 - char *cp;
168 - struct stat64 sb;
169 - DIR *dirp;
170 - struct dirent64 *d;
171 - int err;
521 + const Char *qpatnext;
522 + int err, oldpathc;
523 + wchar_t c;
524 + int a;
525 + Char *bufnext, patbuf[MAXPATHLEN];
172 526
173 - for (;;)
174 - switch (*dp++ = *(unsigned char *)sp++) {
175 - case '\0': /* end of source path */
176 - if (expand)
177 - goto Expand;
178 - else {
179 - if (!(flags & GLOB_NOCHECK) ||
180 - flags & (GLOB__CHECK|GLOB_MARK))
181 - if (stat64(*path, &sb) < 0) {
182 - return (0);
527 + qpatnext = globtilde(pattern, patbuf, MAXPATHLEN, pglob);
528 + oldpathc = pglob->gl_pathc;
529 + bufnext = patbuf;
530 +
531 + /* We don't need to check for buffer overflow any more. */
532 + while ((a = qpatnext->at), (c = (qpatnext++)->wc) != EOS) {
533 + switch (c) {
534 + case LBRACKET:
535 + if (a != 0) {
536 + bufnext->at = a;
537 + (bufnext++)->wc = c;
538 + break;
539 + }
540 + a = qpatnext->at;
541 + c = qpatnext->wc;
542 + if (a == 0 && c == NOT)
543 + ++qpatnext;
544 + if (qpatnext->wc == EOS ||
545 + g_strchr(qpatnext+1, RBRACKET) == NULL) {
546 + bufnext->at = 0;
547 + (bufnext++)->wc = LBRACKET;
548 + if (a == 0 && c == NOT)
549 + --qpatnext;
550 + break;
551 + }
552 + bufnext->at = M_QUOTE;
553 + (bufnext++)->wc = M_SET;
554 + if (a == 0 && c == NOT) {
555 + bufnext->at = M_QUOTE;
556 + (bufnext++)->wc = M_NOT;
557 + }
558 + a = qpatnext->at;
559 + c = (qpatnext++)->wc;
560 + do {
561 + if (a == 0 && c == LBRACKET &&
562 + qpatnext->wc == COLON) {
563 + do {
564 + err = g_charclass(&qpatnext,
565 + &bufnext);
566 + if (err)
567 + break;
568 + a = qpatnext->at;
569 + c = (qpatnext++)->wc;
570 + } while (a == 0 && c == LBRACKET &&
571 + qpatnext->wc == COLON);
572 + if (err == -1 &&
573 + !(pglob->gl_flags & GLOB_NOCHECK))
574 + return (GLOB_NOMATCH);
575 + if (a == 0 && c == RBRACKET)
576 + break;
577 + }
578 + bufnext->at = a;
579 + (bufnext++)->wc = c;
580 + if (qpatnext->at == 0 &&
581 + qpatnext->wc == RANGE) {
582 + a = qpatnext[1].at;
583 + c = qpatnext[1].wc;
584 + if (qpatnext[1].at != 0 ||
585 + qpatnext[1].wc != RBRACKET) {
586 + bufnext->at = M_QUOTE;
587 + (bufnext++)->wc = M_RNG;
588 + bufnext->at = a;
589 + (bufnext++)->wc = c;
590 + qpatnext += 2;
183 591 }
184 - if (flags & GLOB_MARK && S_ISDIR(sb.st_mode)) {
185 - *dp = '\0';
186 - *--dp = '/';
187 592 }
188 - if (append(gp, *path) < 0) {
189 - return (GLOB_NOSPACE);
190 - }
191 - return (0);
593 + a = qpatnext->at;
594 + c = (qpatnext++)->wc;
595 + } while (a != 0 || c != RBRACKET);
596 + pglob->gl_flags |= GLOB_MAGCHAR;
597 + bufnext->at = M_QUOTE;
598 + (bufnext++)->wc = M_END;
599 + break;
600 + case QUESTION:
601 + if (a != 0) {
602 + bufnext->at = a;
603 + (bufnext++)->wc = c;
604 + break;
192 605 }
193 - /*NOTREACHED*/
194 -
195 - case '*':
196 - case '?':
197 - case '[':
198 - case '\\':
199 - ++expand;
606 + pglob->gl_flags |= GLOB_MAGCHAR;
607 + bufnext->at = M_QUOTE;
608 + (bufnext++)->wc = M_ONE;
200 609 break;
201 -
202 - case '/':
203 - if (expand)
204 - goto Expand;
205 - end = dp - *path;
206 - pat = (char *)sp;
610 + case STAR:
611 + if (a != 0) {
612 + bufnext->at = a;
613 + (bufnext++)->wc = c;
614 + break;
615 + }
616 + pglob->gl_flags |= GLOB_MAGCHAR;
617 + /*
618 + * collapse adjacent stars to one,
619 + * to avoid exponential behavior
620 + */
621 + if (bufnext == patbuf ||
622 + bufnext[-1].at != M_QUOTE ||
623 + bufnext[-1].wc != M_ALL) {
624 + bufnext->at = M_QUOTE;
625 + (bufnext++)->wc = M_ALL;
626 + }
207 627 break;
628 + default:
629 + bufnext->at = a;
630 + (bufnext++)->wc = c;
631 + break;
632 + }
633 + }
634 + bufnext->at = 0;
635 + bufnext->wc = EOS;
636 +#ifdef DEBUG
637 + qprintf("glob0:glob1:patbuf", patbuf);
638 +#endif
208 639
209 - Expand:
210 - /* determine directory and open it */
211 - (*path)[end] = '\0';
212 - dirp = opendir(**path == '\0' ? "." : *path);
213 - if (dirp == NULL) {
214 - if (errfn != 0 && errfn(*path, errno) != 0 ||
215 - flags&GLOB_ERR) {
216 - return (GLOB_ABORTED);
217 - }
218 - return (0);
640 + if ((err = glob1(patbuf, patbuf+MAXPATHLEN-1, pglob, limitp, errfunc))
641 + != 0)
642 + return (err);
643 +
644 + /*
645 + * If there was no match we are going to append the pattern
646 + * if GLOB_NOCHECK was specified or if GLOB_NOMAGIC was specified
647 + * and the pattern did not contain any magic characters
648 + * GLOB_NOMAGIC is there just for compatibility with csh.
649 + */
650 + if (pglob->gl_pathc == oldpathc) {
651 + if ((pglob->gl_flags & GLOB_NOCHECK) ||
652 + ((pglob->gl_flags & GLOB_NOMAGIC) &&
653 + !(pglob->gl_flags & GLOB_MAGCHAR)))
654 + return (globextend(pattern, pglob, limitp, NULL));
655 + else
656 + return (GLOB_NOMATCH);
657 + }
658 + if (!(pglob->gl_flags & GLOB_NOSORT)) {
659 + if ((pglob->gl_flags & GLOB_KEEPSTAT)) {
660 + /* Keep the paths and stat info synced during sort */
661 + struct glob_path_stat *path_stat;
662 + int i;
663 + int n = pglob->gl_pathc - oldpathc;
664 + int o = pglob->gl_offs + oldpathc;
665 +
666 + if ((path_stat = calloc(n, sizeof (*path_stat))) ==
667 + NULL)
668 + return (GLOB_NOSPACE);
669 + for (i = 0; i < n; i++) {
670 + path_stat[i].gps_path = pglob->gl_pathv[o + i];
671 + path_stat[i].gps_stat = pglob->gl_statv[o + i];
219 672 }
673 + qsort(path_stat, n, sizeof (*path_stat), compare_gps);
674 + for (i = 0; i < n; i++) {
675 + pglob->gl_pathv[o + i] = path_stat[i].gps_path;
676 + pglob->gl_statv[o + i] = path_stat[i].gps_stat;
677 + }
678 + free(path_stat);
679 + } else {
680 + qsort(pglob->gl_pathv + pglob->gl_offs + oldpathc,
681 + pglob->gl_pathc - oldpathc, sizeof (char *),
682 + compare);
683 + }
684 + }
685 + return (0);
686 +}
220 687
221 - /* extract pattern component */
222 - n = sp - pat;
223 - if ((cp = malloc(n)) == NULL) {
224 - (void) closedir(dirp);
688 +static int
689 +compare(const void *p, const void *q)
690 +{
691 + return (strcmp(*(char **)p, *(char **)q));
692 +}
693 +
694 +static int
695 +compare_gps(const void *_p, const void *_q)
696 +{
697 + const struct glob_path_stat *p = (const struct glob_path_stat *)_p;
698 + const struct glob_path_stat *q = (const struct glob_path_stat *)_q;
699 +
700 + return (strcmp(p->gps_path, q->gps_path));
701 +}
702 +
703 +static int
704 +glob1(Char *pattern, Char *pattern_last, glob_t *pglob,
705 + struct glob_lim *limitp, int (*errfunc)(const char *, int))
706 +{
707 + Char pathbuf[MAXPATHLEN];
708 +
709 + /* A null pathname is invalid -- POSIX 1003.1 sect. 2.4. */
710 + if (pattern->wc == EOS)
711 + return (0);
712 + return (glob2(pathbuf, pathbuf+MAXPATHLEN-1,
713 + pathbuf, pathbuf+MAXPATHLEN-1,
714 + pattern, pattern_last, pglob, limitp, errfunc));
715 +}
716 +
717 +/*
718 + * The functions glob2 and glob3 are mutually recursive; there is one level
719 + * of recursion for each segment in the pattern that contains one or more
720 + * meta characters.
721 + */
722 +static int
723 +glob2(Char *pathbuf, Char *pathbuf_last, Char *pathend, Char *pathend_last,
724 + Char *pattern, Char *pattern_last, glob_t *pglob,
725 + struct glob_lim *limitp, int (*errfunc)(const char *, int))
726 +{
727 + struct stat sb;
728 + Char *p, *q;
729 + int anymeta;
730 +
731 + /*
732 + * Loop over pattern segments until end of pattern or until
733 + * segment with meta character found.
734 + */
735 + for (anymeta = 0; ; ) {
736 + if (pattern->wc == EOS) { /* End of pattern? */
737 + pathend->at = 0;
738 + pathend->wc = EOS;
739 +
740 + if ((pglob->gl_flags & GLOB_LIMIT) &&
741 + limitp->glim_stat++ >= GLOB_LIMIT_STAT) {
742 + errno = 0;
743 + pathend->at = 0;
744 + (pathend++)->wc = SEP;
745 + pathend->at = 0;
746 + pathend->wc = EOS;
225 747 return (GLOB_NOSPACE);
226 748 }
227 - pat = memcpy(cp, pat, n);
228 - pat[n-1] = '\0';
229 - if (*--sp != '\0')
230 - flags |= GLOB__CHECK;
749 + if (g_lstat(pathbuf, &sb, pglob))
750 + return (0);
231 751
232 - /* expand path to max. expansion */
233 - n = dp - *path;
234 - *path = realloc(*path,
235 - strlen(*path) + NAME_MAX + strlen(sp) + 1);
236 - if (*path == NULL) {
237 - (void) closedir(dirp);
238 - free(pat);
752 + if (((pglob->gl_flags & GLOB_MARK) &&
753 + (pathend[-1].at != 0 ||
754 + pathend[-1].wc != SEP)) &&
755 + (S_ISDIR(sb.st_mode) ||
756 + (S_ISLNK(sb.st_mode) &&
757 + (g_stat(pathbuf, &sb, pglob) == 0) &&
758 + S_ISDIR(sb.st_mode)))) {
759 + if (pathend+1 > pathend_last)
760 + return (GLOB_NOSPACE);
761 + pathend->at = 0;
762 + (pathend++)->wc = SEP;
763 + pathend->at = 0;
764 + pathend->wc = EOS;
765 + }
766 + ++pglob->gl_matchc;
767 + return (globextend(pathbuf, pglob, limitp, &sb));
768 + }
769 +
770 + /* Find end of next segment, copy tentatively to pathend. */
771 + q = pathend;
772 + p = pattern;
773 + while (p->wc != EOS && p->wc != SEP) {
774 + if (ismeta(*p))
775 + anymeta = 1;
776 + if (q+1 > pathend_last)
239 777 return (GLOB_NOSPACE);
778 + *q++ = *p++;
779 + }
780 +
781 + if (!anymeta) { /* No expansion, do next segment. */
782 + pathend = q;
783 + pattern = p;
784 + while (pattern->wc == SEP) {
785 + if (pathend+1 > pathend_last)
786 + return (GLOB_NOSPACE);
787 + *pathend++ = *pattern++;
240 788 }
241 - dp = (*path) + n;
789 + } else {
790 + /* Need expansion, recurse. */
791 + return (glob3(pathbuf, pathbuf_last, pathend,
792 + pathend_last, pattern, p, pattern_last,
793 + pglob, limitp, errfunc));
794 + }
795 + }
796 + /* NOTREACHED */
797 +}
242 798
243 - /* read directory and match entries */
244 - err = 0;
245 - while ((d = readdir64(dirp)) != NULL) {
246 - cp = d->d_name;
247 - if ((flags&GLOB_NOESCAPE)
248 - ? fnmatch(pat, cp, FNM_PERIOD|FNM_NOESCAPE)
249 - : fnmatch(pat, cp, FNM_PERIOD))
250 - continue;
799 +static int
800 +glob3(Char *pathbuf, Char *pathbuf_last, Char *pathend, Char *pathend_last,
801 + Char *pattern, Char *restpattern, Char *restpattern_last, glob_t *pglob,
802 + struct glob_lim *limitp, int (*errfunc)(const char *, int))
803 +{
804 + struct dirent *dp;
805 + DIR *dirp;
806 + int err;
807 + char buf[MAXPATHLEN];
251 808
252 - n = strlen(cp);
253 - (void) memcpy((*path) + end, cp, n);
254 - m = dp - *path;
255 - err = globit(end+n, sp, gp, flags, errfn, path);
256 - dp = (*path) + m; /* globit can move path */
257 - if (err != 0)
258 - break;
809 + /*
810 + * The readdirfunc declaration can't be prototyped, because it is
811 + * assigned, below, to two functions which are prototyped in glob.h
812 + * and dirent.h as taking pointers to differently typed opaque
813 + * structures.
814 + */
815 + struct dirent *(*readdirfunc)(void *);
816 +
817 + if (pathend > pathend_last)
818 + return (GLOB_NOSPACE);
819 + pathend->at = 0;
820 + pathend->wc = EOS;
821 + errno = 0;
822 +
823 + if ((dirp = g_opendir(pathbuf, pglob)) == NULL) {
824 + /* TODO: don't call for ENOENT or ENOTDIR? */
825 + if (errfunc) {
826 + if (g_Ctoc(pathbuf, buf, sizeof (buf)))
827 + return (GLOB_ABORTED);
828 + if (errfunc(buf, errno) ||
829 + pglob->gl_flags & GLOB_ERR)
830 + return (GLOB_ABORTED);
831 + }
832 + return (0);
833 + }
834 +
835 + err = 0;
836 +
837 + /* Search directory for matching names. */
838 + if (pglob->gl_flags & GLOB_ALTDIRFUNC)
839 + readdirfunc = pglob->gl_readdir;
840 + else
841 + readdirfunc = (struct dirent *(*)(void *))readdir;
842 + while ((dp = (*readdirfunc)(dirp))) {
843 + char *sc;
844 + Char *dc;
845 + size_t n;
846 + wchar_t w;
847 +
848 + if ((pglob->gl_flags & GLOB_LIMIT) &&
849 + limitp->glim_readdir++ >= GLOB_LIMIT_READDIR) {
850 + errno = 0;
851 + pathend->at = 0;
852 + (pathend++)->wc = SEP;
853 + pathend->at = 0;
854 + pathend->wc = EOS;
855 + err = GLOB_NOSPACE;
856 + break;
857 + }
858 +
859 + /* Initial DOT must be matched literally. */
860 + if (dp->d_name[0] == DOT && pattern->wc != DOT)
861 + continue;
862 + dc = pathend;
863 + sc = dp->d_name;
864 + while (dc < pathend_last) {
865 + if ((n = mbtowc(&w, sc, MB_LEN_MAX)) <= 0) {
866 + sc += 1;
867 + dc->at = 0;
868 + dc->wc = EOS;
869 + } else {
870 + sc += n;
871 + dc->at = 0;
872 + dc->wc = w;
259 873 }
874 + dc++;
875 + if (n <= 0)
876 + break;
877 + }
878 + if (dc >= pathend_last) {
879 + dc->at = 0;
880 + dc->wc = EOS;
881 + err = GLOB_NOSPACE;
882 + break;
883 + }
884 + if (n < 0) {
885 + dc->at = 0;
886 + dc->wc = EOS;
887 + continue;
888 + }
260 889
261 - (void) closedir(dirp);
262 - free(pat);
263 - return (err);
890 + if (!match(pathend, pattern, restpattern, GLOB_LIMIT_RECUR)) {
891 + pathend->at = 0;
892 + pathend->wc = EOS;
893 + continue;
264 894 }
265 - /* NOTREACHED */
895 + err = glob2(pathbuf, pathbuf_last, --dc, pathend_last,
896 + restpattern, restpattern_last, pglob, limitp,
897 + errfunc);
898 + if (err)
899 + break;
900 + }
901 +
902 + if (pglob->gl_flags & GLOB_ALTDIRFUNC)
903 + (*pglob->gl_closedir)(dirp);
904 + else
905 + closedir(dirp);
906 + return (err);
266 907 }
267 908
909 +
268 910 /*
269 - * Comparison routine for two name arguments, called by qsort.
911 + * Extend the gl_pathv member of a glob_t structure to accommodate a new item,
912 + * add the new item, and update gl_pathc.
913 + *
914 + * This assumes the BSD realloc, which only copies the block when its size
915 + * crosses a power-of-two boundary; for v7 realloc, this would cause quadratic
916 + * behavior.
917 + *
918 + * Return 0 if new item added, error code if memory couldn't be allocated.
919 + *
920 + * Invariant of the glob_t structure:
921 + * Either gl_pathc is zero and gl_pathv is NULL; or gl_pathc > 0 and
922 + * gl_pathv points to (gl_offs + gl_pathc + 1) items.
270 923 */
271 -int
272 -pstrcmp(const void *npp1, const void *npp2)
924 +static int
925 +globextend(const Char *path, glob_t *pglob, struct glob_lim *limitp,
926 + struct stat *sb)
273 927 {
274 - return (strcoll(*(char **)npp1, *(char **)npp2));
928 + char **pathv;
929 + ssize_t i;
930 + size_t newn, len;
931 + char *copy = NULL;
932 + const Char *p;
933 + struct stat **statv;
934 + char junk[MB_LEN_MAX];
935 + int n;
936 +
937 + newn = 2 + pglob->gl_pathc + pglob->gl_offs;
938 + if (pglob->gl_offs >= INT_MAX ||
939 + pglob->gl_pathc >= INT_MAX ||
940 + newn >= INT_MAX ||
941 + SIZE_MAX / sizeof (*pathv) <= newn ||
942 + SIZE_MAX / sizeof (*statv) <= newn) {
943 + nospace:
944 + for (i = pglob->gl_offs; i < (ssize_t)(newn - 2); i++) {
945 + if (pglob->gl_pathv && pglob->gl_pathv[i])
946 + free(pglob->gl_pathv[i]);
947 + if ((pglob->gl_flags & GLOB_KEEPSTAT) != 0 &&
948 + pglob->gl_pathv && pglob->gl_pathv[i])
949 + free(pglob->gl_statv[i]);
950 + }
951 + if (pglob->gl_pathv) {
952 + free(pglob->gl_pathv);
953 + pglob->gl_pathv = NULL;
954 + }
955 + if ((pglob->gl_flags & GLOB_KEEPSTAT) != 0 &&
956 + pglob->gl_statv) {
957 + free(pglob->gl_statv);
958 + pglob->gl_statv = NULL;
959 + }
960 + return (GLOB_NOSPACE);
961 + }
962 +
963 + pathv = realloc(pglob->gl_pathv, newn * sizeof (*pathv));
964 + if (pathv == NULL)
965 + goto nospace;
966 + if (pglob->gl_pathv == NULL && pglob->gl_offs > 0) {
967 + /* first time around -- clear initial gl_offs items */
968 + pathv += pglob->gl_offs;
969 + for (i = pglob->gl_offs; --i >= 0; )
970 + *--pathv = NULL;
971 + }
972 + pglob->gl_pathv = pathv;
973 +
974 + if ((pglob->gl_flags & GLOB_KEEPSTAT) != 0) {
975 + statv = realloc(pglob->gl_statv, newn * sizeof (*statv));
976 + if (statv == NULL)
977 + goto nospace;
978 + if (pglob->gl_statv == NULL && pglob->gl_offs > 0) {
979 + /* first time around -- clear initial gl_offs items */
980 + statv += pglob->gl_offs;
981 + for (i = pglob->gl_offs; --i >= 0; )
982 + *--statv = NULL;
983 + }
984 + pglob->gl_statv = statv;
985 + if (sb == NULL)
986 + statv[pglob->gl_offs + pglob->gl_pathc] = NULL;
987 + else {
988 + limitp->glim_malloc += sizeof (**statv);
989 + if ((pglob->gl_flags & GLOB_LIMIT) &&
990 + limitp->glim_malloc >= GLOB_LIMIT_MALLOC) {
991 + errno = 0;
992 + return (GLOB_NOSPACE);
993 + }
994 + if ((statv[pglob->gl_offs + pglob->gl_pathc] =
995 + malloc(sizeof (**statv))) == NULL)
996 + goto copy_error;
997 + memcpy(statv[pglob->gl_offs + pglob->gl_pathc], sb,
998 + sizeof (*sb));
999 + }
1000 + statv[pglob->gl_offs + pglob->gl_pathc + 1] = NULL;
1001 + }
1002 +
1003 + len = MB_LEN_MAX;
1004 + p = path;
1005 + while ((n = wctomb(junk, p->wc)) > 0) {
1006 + len += n;
1007 + if ((p++)->wc == EOS)
1008 + break;
1009 + }
1010 +
1011 + limitp->glim_malloc += len;
1012 + if ((copy = malloc(len)) != NULL) {
1013 + if (g_Ctoc(path, copy, len)) {
1014 + free(copy);
1015 + return (GLOB_NOSPACE);
1016 + }
1017 + pathv[pglob->gl_offs + pglob->gl_pathc++] = copy;
1018 + }
1019 + pathv[pglob->gl_offs + pglob->gl_pathc] = NULL;
1020 +
1021 + if ((pglob->gl_flags & GLOB_LIMIT) &&
1022 + (newn * sizeof (*pathv)) + limitp->glim_malloc >
1023 + GLOB_LIMIT_MALLOC) {
1024 + errno = 0;
1025 + return (GLOB_NOSPACE);
1026 + }
1027 + copy_error:
1028 + return (copy == NULL ? GLOB_NOSPACE : 0);
275 1029 }
276 1030
1031 +
277 1032 /*
278 - * Add a new matched filename to the glob_t structure, increasing the
279 - * size of that array, as required.
1033 + * pattern matching function for filenames. Each occurrence of the *
1034 + * pattern causes a recursion level.
280 1035 */
281 -int
282 -append(glob_t *gp, const char *str)
1036 +static int
1037 +match(Char *name, Char *pat, Char *patend, int recur)
283 1038 {
284 - char *cp;
1039 + int ok, negate_range;
1040 + Char c, k;
285 1041
286 - if ((cp = malloc(strlen(str)+1)) == NULL)
287 - return (GLOB_NOSPACE);
288 - gp->gl_pathp[gp->gl_pathc++] = strcpy(cp, str);
1042 + if (recur-- == 0)
1043 + return (1);
289 1044
290 - if ((gp->gl_pathc + gp->gl_offs) >= gp->gl_pathn) {
291 - gp->gl_pathn *= 2;
292 - gp->gl_pathv = (char **)realloc((void *)gp->gl_pathv,
293 - gp->gl_pathn * sizeof (char *));
294 - if (gp->gl_pathv == NULLCPP)
295 - return (GLOB_NOSPACE);
296 - gp->gl_pathp = gp->gl_pathv + gp->gl_offs;
1045 + while (pat < patend) {
1046 + c = *pat++;
1047 + switch (c.wc) {
1048 + case M_ALL:
1049 + if (c.at != M_QUOTE) {
1050 + k = *name++;
1051 + if (k.at != c.at || k.wc != c.wc)
1052 + return (0);
1053 + break;
1054 + }
1055 + while (pat < patend && pat->at == M_QUOTE &&
1056 + pat->wc == M_ALL)
1057 + pat++; /* eat consecutive '*' */
1058 + if (pat == patend)
1059 + return (1);
1060 + do {
1061 + if (match(name, pat, patend, recur))
1062 + return (1);
1063 + } while ((name++)->wc != EOS);
1064 + return (0);
1065 + case M_ONE:
1066 + if (c.at != M_QUOTE) {
1067 + k = *name++;
1068 + if (k.at != c.at || k.wc != c.wc)
1069 + return (0);
1070 + break;
1071 + }
1072 + if ((name++)->wc == EOS)
1073 + return (0);
1074 + break;
1075 + case M_SET:
1076 + if (c.at != M_QUOTE) {
1077 + k = *name++;
1078 + if (k.at != c.at || k.wc != c.wc)
1079 + return (0);
1080 + break;
1081 + }
1082 + ok = 0;
1083 + if ((k = *name++).wc == EOS)
1084 + return (0);
1085 + if ((negate_range = (pat->at == M_QUOTE &&
1086 + pat->wc == M_NOT)) != 0)
1087 + ++pat;
1088 + while (((c = *pat++).at != M_QUOTE) || c.wc != M_END) {
1089 + if (c.at == M_QUOTE && c.wc == M_CLASS) {
1090 + Char cc;
1091 +
1092 + cc.at = pat->at;
1093 + cc.wc = pat->wc;
1094 + if (iswctype(k.wc, cc.wc))
1095 + ok = 1;
1096 + ++pat;
1097 + }
1098 + if (pat->at == M_QUOTE && pat->wc == M_RNG) {
1099 + if (c.wc <= k.wc && k.wc <= pat[1].wc)
1100 + ok = 1;
1101 + pat += 2;
1102 + } else if (c.wc == k.wc)
1103 + ok = 1;
1104 + }
1105 + if (ok == negate_range)
1106 + return (0);
1107 + break;
1108 + default:
1109 + k = *name++;
1110 + if (k.at != c.at || k.wc != c.wc)
1111 + return (0);
1112 + break;
1113 + }
297 1114 }
298 - return (0);
1115 + return (name->wc == EOS);
299 1116 }
1117 +
1118 +/* Free allocated data belonging to a glob_t structure. */
1119 +void
1120 +globfree(glob_t *pglob)
1121 +{
1122 + int i;
1123 + char **pp;
1124 +
1125 + if (pglob->gl_pathv != NULL) {
1126 + pp = pglob->gl_pathv + pglob->gl_offs;
1127 + for (i = pglob->gl_pathc; i--; ++pp)
1128 + if (*pp)
1129 + free(*pp);
1130 + free(pglob->gl_pathv);
1131 + pglob->gl_pathv = NULL;
1132 + }
1133 + if ((pglob->gl_flags & GLOB_KEEPSTAT) != 0 &&
1134 + pglob->gl_statv != NULL) {
1135 + for (i = 0; i < pglob->gl_pathc; i++) {
1136 + if (pglob->gl_statv[i] != NULL)
1137 + free(pglob->gl_statv[i]);
1138 + }
1139 + free(pglob->gl_statv);
1140 + pglob->gl_statv = NULL;
1141 + }
1142 +}
1143 +
1144 +static DIR *
1145 +g_opendir(Char *str, glob_t *pglob)
1146 +{
1147 + char buf[MAXPATHLEN];
1148 +
1149 + if (str->wc == EOS)
1150 + strlcpy(buf, ".", sizeof (buf));
1151 + else {
1152 + if (g_Ctoc(str, buf, sizeof (buf)))
1153 + return (NULL);
1154 + }
1155 +
1156 + if (pglob->gl_flags & GLOB_ALTDIRFUNC)
1157 + return ((*pglob->gl_opendir)(buf));
1158 +
1159 + return (opendir(buf));
1160 +}
1161 +
1162 +static int
1163 +g_lstat(Char *fn, struct stat *sb, glob_t *pglob)
1164 +{
1165 + char buf[MAXPATHLEN];
1166 +
1167 + if (g_Ctoc(fn, buf, sizeof (buf)))
1168 + return (-1);
1169 + if (pglob->gl_flags & GLOB_ALTDIRFUNC)
1170 + return ((*pglob->gl_lstat)(buf, sb));
1171 + return (lstat(buf, sb));
1172 +}
1173 +
1174 +static int
1175 +g_stat(Char *fn, struct stat *sb, glob_t *pglob)
1176 +{
1177 + char buf[MAXPATHLEN];
1178 +
1179 + if (g_Ctoc(fn, buf, sizeof (buf)))
1180 + return (-1);
1181 + if (pglob->gl_flags & GLOB_ALTDIRFUNC)
1182 + return ((*pglob->gl_stat)(buf, sb));
1183 + return (stat(buf, sb));
1184 +}
1185 +
1186 +static Char *
1187 +g_strchr(const Char *str, wchar_t ch)
1188 +{
1189 + do {
1190 + if (str->at == 0 && str->wc == ch)
1191 + return ((Char *)str);
1192 + } while ((str++)->wc != EOS);
1193 + return (NULL);
1194 +}
1195 +
1196 +static int
1197 +g_Ctoc(const Char *str, char *buf, uint_t len)
1198 +{
1199 + int n;
1200 + wchar_t w;
1201 +
1202 + while (len >= MB_LEN_MAX) {
1203 + w = (str++)->wc;
1204 + if ((n = wctomb(buf, w)) > 0) {
1205 + len -= n;
1206 + buf += n;
1207 + }
1208 + if (n < 0)
1209 + break;
1210 + if (w == EOS)
1211 + return (0);
1212 + }
1213 + return (1);
1214 +}
1215 +
1216 +#ifdef DEBUG
1217 +static void
1218 +qprintf(const char *str, Char *s)
1219 +{
1220 + Char *p;
1221 +
1222 + (void) printf("%s:\n", str);
1223 + for (p = s; p->wc != EOS; p++)
1224 + (void) printf("%wc", p->wc);
1225 + (void) printf("\n");
1226 + for (p = s; p->wc != EOS; p++)
1227 + (void) printf("%c", p->at & M_PROTECT ? '"' : ' ');
1228 + (void) printf("\n");
1229 + for (p = s; p->wc != EOS; p++)
1230 + (void) printf("%c", ismeta(*p) ? '_' : ' ');
1231 + (void) printf("\n");
1232 +}
1233 +#endif
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