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glob.h
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1 /* Copyright (C) 1991, 92, 95, 96, 97, 98, 2000 Free Software Foundation, Inc.
2
3 The GNU C 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.
7
8 The GNU C 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.
12
13 You should have received a copy of the GNU Library General Public
14 License along with the GNU C 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. */
17
18 #ifndef _GLOB_H
19 #define _GLOB_H 1
20
21 #if defined(hpux) || defined(__hpux)
22 #define _GLOB_INCLUDED
23 #endif
24
25 #ifdef __cplusplus
26 extern "C" {
27 #endif
28
29 #undef __ptr_t
30 #if defined __cplusplus || (defined __STDC__ && __STDC__) || defined WINDOWS32
31 # if !defined __GLIBC__ || !defined __P || !defined __PMT
32 # undef __P
33 # undef __PMT
34 # define __P(protos) protos
35 # define __PMT(protos) protos
36 # if !defined __GNUC__ || __GNUC__ < 2
37 # undef __const
38 # define __const const
39 # endif
40 # endif
41 # define __ptr_t void *
42 #else /* Not C++ or ANSI C. */
43 # undef __P
44 # undef __PMT
45 # define __P(protos) ()
46 # define __PMT(protos) ()
47 # undef __const
48 # define __const
49 # define __ptr_t char *
50 #endif /* C++ or ANSI C. */
51
52 /* We need `size_t' for the following definitions. */
53 #if !defined(__size_t) && !defined(_BSD_SIZE_T_DEFINED_)
54 # if defined __GNUC__ && __GNUC__ >= 2
55 typedef __SIZE_TYPE__ __size_t;
56 # if 0
57 # ifdef _XOPEN_SOURCE
58 typedef __SIZE_TYPE__ size_t;
59 # endif
60 # endif
61 # else
62 /* This is a guess. */
63 typedef unsigned long int __size_t;
64 # endif
65 #else
66 /* The GNU CC stddef.h version defines __size_t as empty. We need a real
67 definition. */
68 # undef __size_t
69 # define __size_t size_t
70 #endif
71
72 /* Bits set in the FLAGS argument to `glob'. */
73 #define GLOB_ERR (1 << 0)/* Return on read errors. */
74 #define GLOB_MARK (1 << 1)/* Append a slash to each name. */
75 #define GLOB_NOSORT (1 << 2)/* Don't sort the names. */
76 #define GLOB_DOOFFS (1 << 3)/* Insert PGLOB->gl_offs NULLs. */
77 #define GLOB_NOCHECK (1 << 4)/* If nothing matches, return the pattern. */
78 #define GLOB_APPEND (1 << 5)/* Append to results of a previous call. */
79 #define GLOB_NOESCAPE (1 << 6)/* Backslashes don't quote metacharacters. */
80 #define GLOB_PERIOD (1 << 7)/* Leading `.' can be matched by metachars. */
81
82 #if (!defined _POSIX_C_SOURCE || _POSIX_C_SOURCE < 2 || defined _BSD_SOURCE \
83 || defined _GNU_SOURCE)
84 # define GLOB_MAGCHAR (1 << 8)/* Set in gl_flags if any metachars seen. */
85 # define GLOB_ALTDIRFUNC (1 << 9)/* Use gl_opendir et al functions. */
86 # define GLOB_BRACE (1 << 10)/* Expand "{a,b}" to "a" "b". */
87 # define GLOB_NOMAGIC (1 << 11)/* If no magic chars, return the pattern. */
88 # define GLOB_TILDE (1 << 12)/* Expand ~user and ~ to home directories. */
89 # define GLOB_ONLYDIR (1 << 13)/* Match only directories. */
90 # define GLOB_TILDE_CHECK (1 << 14)/* Like GLOB_TILDE but return an error
91 if the user name is not available. */
92 # define __GLOB_FLAGS (GLOB_ERR|GLOB_MARK|GLOB_NOSORT|GLOB_DOOFFS| \
93 GLOB_NOESCAPE|GLOB_NOCHECK|GLOB_APPEND| \
94 GLOB_PERIOD|GLOB_ALTDIRFUNC|GLOB_BRACE| \
95 GLOB_NOMAGIC|GLOB_TILDE|GLOB_ONLYDIR|GLOB_TILDE_CHECK)
96 #else
97 # define __GLOB_FLAGS (GLOB_ERR|GLOB_MARK|GLOB_NOSORT|GLOB_DOOFFS| \
98 GLOB_NOESCAPE|GLOB_NOCHECK|GLOB_APPEND| \
99 GLOB_PERIOD)
100 #endif
101
102 /* Error returns from `glob'. */
103 #define GLOB_NOSPACE 1 /* Ran out of memory. */
104 #define GLOB_ABORTED 2 /* Read error. */
105 #define GLOB_NOMATCH 3 /* No matches found. */
106 #define GLOB_NOSYS 4 /* Not implemented. */
107 #ifdef _GNU_SOURCE
108 /* Previous versions of this file defined GLOB_ABEND instead of
109 GLOB_ABORTED. Provide a compatibility definition here. */
110 # define GLOB_ABEND GLOB_ABORTED
111 #endif
112
113 /* Structure describing a globbing run. */
114 #if !defined _AMIGA && !defined VMS /* Buggy compiler. */
115 struct stat;
116 #endif
117 typedef struct
118 {
119 __size_t gl_pathc; /* Count of paths matched by the pattern. */
120 char **gl_pathv; /* List of matched pathnames. */
121 __size_t gl_offs; /* Slots to reserve in `gl_pathv'. */
122 int gl_flags; /* Set to FLAGS, maybe | GLOB_MAGCHAR. */
123
124 /* If the GLOB_ALTDIRFUNC flag is set, the following functions
125 are used instead of the normal file access functions. */
126 void (*gl_closedir) __PMT ((void *))
127 /*@*/;
128 struct dirent *(*gl_readdir) __PMT ((void *))
129 /*@*/;
130 __ptr_t (*gl_opendir) __PMT ((__const char *))
131 /*@*/;
132 int (*gl_lstat) __PMT ((__const char *, struct stat *))
133 /*@*/;
134 int (*gl_stat) __PMT ((__const char *, struct stat *))
135 /*@*/;
136 } glob_t;
137
138 #ifdef _LARGEFILE64_SOURCE
139 struct stat64;
140 typedef struct
141 {
142 __size_t gl_pathc;
143 char **gl_pathv;
144 __size_t gl_offs;
145 int gl_flags;
146
147 /* If the GLOB_ALTDIRFUNC flag is set, the following functions
148 are used instead of the normal file access functions. */
149 void (*gl_closedir) __PMT ((void *))
150 /*@*/;
151 struct dirent64 *(*gl_readdir) __PMT ((void *))
152 /*@*/;
153 __ptr_t (*gl_opendir) __PMT ((__const char *))
154 /*@*/;
155 int (*gl_lstat) __PMT ((__const char *, struct stat64 *))
156 /*@*/;
157 int (*gl_stat) __PMT ((__const char *, struct stat64 *))
158 /*@*/;
159 } glob64_t;
160 #endif
161
162 /* Do glob searching for PATTERN, placing results in PGLOB.
163 The bits defined above may be set in FLAGS.
164 If a directory cannot be opened or read and ERRFUNC is not nil,
165 it is called with the pathname that caused the error, and the
166 `errno' value from the failing call; if it returns non-zero
167 `glob' returns GLOB_ABEND; if it returns zero, the error is ignored.
168 If memory cannot be allocated for PGLOB, GLOB_NOSPACE is returned.
169 Otherwise, `glob' returns zero. */
170 #if defined(_FILE_OFFSET_BITS) && _FILE_OFFSET_BITS != 64
171 extern int glob __P ((__const char *__pattern, int __flags,
172 int (*__errfunc) (__const char *, int),
173 glob_t *__pglob))
174 /*@globals fileSystem @*/
175 /*@modifies fileSystem @*/;
176
177 /* Free storage allocated in PGLOB by a previous `glob' call. */
178 extern void globfree __P ((glob_t *__pglob));
179 #else
180 # if defined(__GNUC__) && __GNUC__ >= 2
181 extern int glob __P ((__const char *__pattern, int __flags,
182 int (*__errfunc) (__const char *, int),
183 glob_t *__pglob)) __asm__ ("glob64")
184 /*@globals fileSystem @*/
185 /*@modifies fileSystem @*/;
186
187 extern void globfree __P ((glob_t *__pglob)) __asm__ ("globfree64")
188 /*@*/;
189 # else
190 # define glob glob64
191 # define globfree globfree64
192 # define glob_t glob64_t
193 # endif
194 #endif
195
196 #ifdef _LARGEFILE64_SOURCE
197 /*@-protoparammatch -type @*/
198 extern int glob64 __P ((__const char *__pattern, int __flags,
199 int (*__errfunc) (__const char *, int),
200 glob64_t *__pglob))
201 /*@globals fileSystem @*/
202 /*@modifies fileSystem @*/;
203
204 extern void globfree64 __P ((glob64_t *__pglob))
205 /*@*/;
206 /*@=protoparammatch =type @*/
207 #endif
208
209
210 #ifdef _GNU_SOURCE
211 /* Return nonzero if PATTERN contains any metacharacters.
212 Metacharacters can be quoted with backslashes if QUOTE is nonzero.
213
214 This function is not part of the interface specified by POSIX.2
215 but several programs want to use it. */
216 extern int glob_pattern_p __P ((__const char *__pattern, int __quote))
217 /*@*/;
218 #endif
219
220 #ifdef __cplusplus
221 }
222 #endif
223
224 #endif /* glob.h */