1 /* Copyright (C) 1991,92,95-98,2000,2001,2004-2007 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
21 # include <sys/cdefs.h>
24 /* GCC 2.95 and later have "__restrict"; C99 compilers have
25 "restrict", and "configure" may have defined "restrict".
26 Other compilers use __restrict, __restrict__, and _Restrict, and
27 'configure' might #define 'restrict' to those words, so pick a
30 # if 199901L <= __STDC_VERSION__
31 # define _Restrict_ restrict
32 # elif 2 < __GNUC__ || (2 == __GNUC__ && 95 <= __GNUC_MINOR__)
33 # define _Restrict_ __restrict
41 /* We need `size_t' for the following definitions. */
43 # if defined __GNUC__ && __GNUC__ >= 2
44 typedef __SIZE_TYPE__ __size_t;
46 typedef __SIZE_TYPE__ size_t;
51 # define __size_t size_t
55 /* The GNU CC stddef.h version defines __size_t as empty. We need a real
58 # define __size_t size_t
61 /* Bits set in the FLAGS argument to `glob'. */
62 #define GLOB_ERR (1 << 0)/* Return on read errors. */
63 #define GLOB_MARK (1 << 1)/* Append a slash to each name. */
64 #define GLOB_NOSORT (1 << 2)/* Don't sort the names. */
65 #define GLOB_DOOFFS (1 << 3)/* Insert PGLOB->gl_offs NULLs. */
66 #define GLOB_NOCHECK (1 << 4)/* If nothing matches, return the pattern. */
67 #define GLOB_APPEND (1 << 5)/* Append to results of a previous call. */
68 #define GLOB_NOESCAPE (1 << 6)/* Backslashes don't quote metacharacters. */
69 #define GLOB_PERIOD (1 << 7)/* Leading `.' can be matched by metachars. */
71 #if !defined __USE_POSIX2 || defined __USE_BSD || defined __USE_GNU
72 # define GLOB_MAGCHAR (1 << 8)/* Set in gl_flags if any metachars seen. */
73 # define GLOB_ALTDIRFUNC (1 << 9)/* Use gl_opendir et al functions. */
74 # define GLOB_BRACE (1 << 10)/* Expand "{a,b}" to "a" "b". */
75 # define GLOB_NOMAGIC (1 << 11)/* If no magic chars, return the pattern. */
76 # define GLOB_TILDE (1 << 12)/* Expand ~user and ~ to home directories. */
77 # define GLOB_ONLYDIR (1 << 13)/* Match only directories. */
78 # define GLOB_TILDE_CHECK (1 << 14)/* Like GLOB_TILDE but return an error
79 if the user name is not available. */
80 # define __GLOB_FLAGS (GLOB_ERR|GLOB_MARK|GLOB_NOSORT|GLOB_DOOFFS| \
81 GLOB_NOESCAPE|GLOB_NOCHECK|GLOB_APPEND| \
82 GLOB_PERIOD|GLOB_ALTDIRFUNC|GLOB_BRACE| \
83 GLOB_NOMAGIC|GLOB_TILDE|GLOB_ONLYDIR|GLOB_TILDE_CHECK)
85 # define __GLOB_FLAGS (GLOB_ERR|GLOB_MARK|GLOB_NOSORT|GLOB_DOOFFS| \
86 GLOB_NOESCAPE|GLOB_NOCHECK|GLOB_APPEND| \
90 /* Error returns from `glob'. */
91 #define GLOB_NOSPACE 1 /* Ran out of memory. */
92 #define GLOB_ABORTED 2 /* Read error. */
93 #define GLOB_NOMATCH 3 /* No matches found. */
94 #define GLOB_NOSYS 4 /* Not implemented. */
96 /* Previous versions of this file defined GLOB_ABEND instead of
97 GLOB_ABORTED. Provide a compatibility definition here. */
98 # define GLOB_ABEND GLOB_ABORTED
101 /* Structure describing a globbing run. */
107 __size_t gl_pathc; /* Count of paths matched by the pattern. */
108 char **gl_pathv; /* List of matched pathnames. */
109 __size_t gl_offs; /* Slots to reserve in `gl_pathv'. */
110 int gl_flags; /* Set to FLAGS, maybe | GLOB_MAGCHAR. */
112 /* If the GLOB_ALTDIRFUNC flag is set, the following functions
113 are used instead of the normal file access functions. */
114 void (*gl_closedir) (void *);
116 struct dirent *(*gl_readdir) (void *);
118 void *(*gl_readdir) (void *);
120 void *(*gl_opendir) (const char *);
122 int (*gl_lstat) (const char *_Restrict_, struct stat *_Restrict_);
123 int (*gl_stat) (const char *_Restrict_, struct stat *_Restrict_);
125 int (*gl_lstat) (const char *_Restrict_, void *_Restrict_);
126 int (*gl_stat) (const char *_Restrict_, void *_Restrict_);
130 #if defined __USE_LARGEFILE64 && !defined __GLOB_GNULIB
141 /* If the GLOB_ALTDIRFUNC flag is set, the following functions
142 are used instead of the normal file access functions. */
143 void (*gl_closedir) (void *);
145 struct dirent64 *(*gl_readdir) (void *);
147 void *(*gl_readdir) (void *);
149 void *(*gl_opendir) (const char *);
151 int (*gl_lstat) (const char *_Restrict_, struct stat64 *_Restrict_);
152 int (*gl_stat) (const char *_Restrict_, struct stat64 *_Restrict_);
154 int (*gl_lstat) (const char *_Restrict_, void *_Restrict_);
155 int (*gl_stat) (const char *_Restrict_, void *_Restrict_);
160 #if __USE_FILE_OFFSET64 && __GNUC__ < 2 && !defined __GLOB_GNULIB
162 # define globfree globfree64
165 /* Do glob searching for PATTERN, placing results in PGLOB.
166 The bits defined above may be set in FLAGS.
167 If a directory cannot be opened or read and ERRFUNC is not nil,
168 it is called with the pathname that caused the error, and the
169 `errno' value from the failing call; if it returns non-zero
170 `glob' returns GLOB_ABEND; if it returns zero, the error is ignored.
171 If memory cannot be allocated for PGLOB, GLOB_NOSPACE is returned.
172 Otherwise, `glob' returns zero. */
173 #if !defined __USE_FILE_OFFSET64 || __GNUC__ < 2 || defined __GLOB_GNULIB
174 extern int glob (const char *_Restrict_ __pattern, int __flags,
175 int (*__errfunc) (const char *, int),
176 glob_t *_Restrict_ __pglob) __THROW;
178 /* Free storage allocated in PGLOB by a previous `glob' call. */
179 extern void globfree (glob_t *__pglob) __THROW;
181 extern int __REDIRECT_NTH (glob, (const char *_Restrict_ __pattern,
183 int (*__errfunc) (const char *, int),
184 glob_t *_Restrict_ __pglob), glob64);
186 extern void __REDIRECT_NTH (globfree, (glob_t *__pglob), globfree64);
189 #if defined __USE_LARGEFILE64 && !defined __GLOB_GNULIB
190 extern int glob64 (const char *_Restrict_ __pattern, int __flags,
191 int (*__errfunc) (const char *, int),
192 glob64_t *_Restrict_ __pglob) __THROW;
194 extern void globfree64 (glob64_t *__pglob) __THROW;
199 /* Return nonzero if PATTERN contains any metacharacters.
200 Metacharacters can be quoted with backslashes if QUOTE is nonzero.
202 This function is not part of the interface specified by POSIX.2
203 but several programs want to use it. */
204 extern int glob_pattern_p (const char *__pattern, int __quote) __THROW;