1 /* Copyright (C) 1991, 1992, 1995, 1996, 1997, 1998 Free Software Foundation,
2 Inc.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public License as
6 published by the Free Software Foundation; either version 2 of the
7 License, or (at your option) any later version.
8
9 The GNU C Library 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 GNU
12 Library General Public License for more details.
13
14 You should have received a copy of the GNU Library General Public License
15 along with this library; see the file COPYING.LIB. If not, write to the Free
16 Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
17 USA. */
18
19 #ifndef _GLOB_H
20 #define _GLOB_H 1
21
22 #ifdef __cplusplus
23 extern "C" {
24 #endif
25
26 #undef __ptr_t
27 #if defined __cplusplus || (defined __STDC__ && __STDC__) || defined WINDOWS32
28 # if !defined __GLIBC__
29 # undef __P
30 # undef __PMT
31 # define __P(protos) protos
32 # define __PMT(protos) protos
33 # if !defined __GNUC__ || __GNUC__ < 2
34 # undef __const
35 # define __const const
36 # endif
37 # endif
38 # define __ptr_t void *
39 #else /* Not C++ or ANSI C. */
40 # undef __P
41 # undef __PMT
42 # define __P(protos) ()
43 # define __PMT(protos) ()
44 # undef __const
45 # define __const
46 # define __ptr_t char *
47 #endif /* C++ or ANSI C. */
48
49 /* We need `size_t' for the following definitions. */
50 #ifndef __size_t
51 # if defined __FreeBSD__
52 # define __size_t size_t
53 # else
54 # if defined __GNUC__ && __GNUC__ >= 2
55 typedef __SIZE_TYPE__ __size_t;
56 # else
57 /* This is a guess. */
58 /*hb
59 * Conflicts with DECCs already defined type __size_t.
60 * Defining an own type with a name beginning with '__' is no good.
61 * Anyway if DECC is used and __SIZE_T is defined then __size_t is
62 * already defined (and I hope it's exactly the one we need here).
63 */
64 # if !(defined __DECC && defined __SIZE_T)
65 typedef unsigned long int __size_t;
66 # endif
67 # endif
68 # endif
69 #else
70 /* The GNU CC stddef.h version defines __size_t as empty. We need a real
71 definition. */
72 # undef __size_t
73 # define __size_t size_t
74 #endif
75
76 /* Bits set in the FLAGS argument to `glob'. */
77 #define GLOB_ERR (1 << 0)/* Return on read errors. */
78 #define GLOB_MARK (1 << 1)/* Append a slash to each name. */
79 #define GLOB_NOSORT (1 << 2)/* Don't sort the names. */
80 #define GLOB_DOOFFS (1 << 3)/* Insert PGLOB->gl_offs NULLs. */
81 #define GLOB_NOCHECK (1 << 4)/* If nothing matches, return the pattern. */
82 #define GLOB_APPEND (1 << 5)/* Append to results of a previous call. */
83 #define GLOB_NOESCAPE (1 << 6)/* Backslashes don't quote metacharacters. */
84 #define GLOB_PERIOD (1 << 7)/* Leading `.' can be matched by metachars. */
85
86 #if (!defined _POSIX_C_SOURCE || _POSIX_C_SOURCE < 2 || defined _BSD_SOURCE \
87 || defined _GNU_SOURCE)
88 # define GLOB_MAGCHAR (1 << 8)/* Set in gl_flags if any metachars seen. */
89 # define GLOB_ALTDIRFUNC (1 << 9)/* Use gl_opendir et al functions. */
90 # define GLOB_BRACE (1 << 10)/* Expand "{a,b}" to "a" "b". */
91 # define GLOB_NOMAGIC (1 << 11)/* If no magic chars, return the pattern. */
92 # define GLOB_TILDE (1 << 12)/* Expand ~user and ~ to home directories. */
93 # define GLOB_ONLYDIR (1 << 13)/* Match only directories. */
94 # define GLOB_TILDE_CHECK (1 << 14)/* Like GLOB_TILDE but return an error
95 if the user name is not available. */
96 # define __GLOB_FLAGS (GLOB_ERR|GLOB_MARK|GLOB_NOSORT|GLOB_DOOFFS| \
97 GLOB_NOESCAPE|GLOB_NOCHECK|GLOB_APPEND| \
98 GLOB_PERIOD|GLOB_ALTDIRFUNC|GLOB_BRACE| \
99 GLOB_NOMAGIC|GLOB_TILDE|GLOB_ONLYDIR|GLOB_TILDE_CHECK)
100 #else
101 # define __GLOB_FLAGS (GLOB_ERR|GLOB_MARK|GLOB_NOSORT|GLOB_DOOFFS| \
102 GLOB_NOESCAPE|GLOB_NOCHECK|GLOB_APPEND| \
103 GLOB_PERIOD)
104 #endif
105
106 /* Error returns from `glob'. */
107 #define GLOB_NOSPACE 1 /* Ran out of memory. */
108 #define GLOB_ABORTED 2 /* Read error. */
109 #define GLOB_NOMATCH 3 /* No matches found. */
110 #define GLOB_NOSYS 4 /* Not implemented. */
111 #ifdef _GNU_SOURCE
112 /* Previous versions of this file defined GLOB_ABEND instead of
113 GLOB_ABORTED. Provide a compatibility definition here. */
114 # define GLOB_ABEND GLOB_ABORTED
115 #endif
116
117 /* Structure describing a globbing run. */
118 #if !defined _AMIGA && !defined VMS /* Buggy compiler. */
119 struct stat;
120 #endif
121 typedef struct
122 {
123 __size_t gl_pathc; /* Count of paths matched by the pattern. */
124 char **gl_pathv; /* List of matched pathnames. */
125 __size_t gl_offs; /* Slots to reserve in `gl_pathv'. */
126 int gl_flags; /* Set to FLAGS, maybe | GLOB_MAGCHAR. */
127
128 /* If the GLOB_ALTDIRFUNC flag is set, the following functions
129 are used instead of the normal file access functions. */
130 void (*gl_closedir) __PMT ((void *));
131 struct dirent *(*gl_readdir) __PMT ((void *));
132 __ptr_t (*gl_opendir) __PMT ((__const char *));
133 int (*gl_lstat) __PMT ((__const char *, struct stat *));
134 #if defined(VMS) && defined(__DECC) && !defined(_POSIX_C_SOURCE)
135 int (*gl_stat) __PMT ((__const char *, struct stat *, ...));
136 #else
137 int (*gl_stat) __PMT ((__const char *, struct stat *));
138 #endif
139 } glob_t;
140
141 #ifdef _LARGEFILE64_SOURCE
142 struct stat64;
143 typedef struct
144 {
145 __size_t gl_pathc;
146 char **gl_pathv;
147 __size_t gl_offs;
148 int gl_flags;
149
150 /* If the GLOB_ALTDIRFUNC flag is set, the following functions
151 are used instead of the normal file access functions. */
152 void (*gl_closedir) __PMT ((void *));
153 struct dirent64 *(*gl_readdir) __PMT ((void *));
154 __ptr_t (*gl_opendir) __PMT ((__const char *));
155 int (*gl_lstat) __PMT ((__const char *, struct stat64 *));
156 int (*gl_stat) __PMT ((__const char *, struct stat64 *));
157 } glob64_t;
158 #endif
159
160 #if _FILE_OFFSET_BITS == 64 && __GNUC__ < 2
161 # define glob glob64
162 # define globfree globfree64
163 #else
164 # ifdef _LARGEFILE64_SOURCE
165 extern int glob64 __P ((__const char *__pattern, int __flags,
166 int (*__errfunc) (__const char *, int),
167 glob64_t *__pglob));
168
169 extern void globfree64 __P ((glob64_t *__pglob));
170 # endif
171 #endif
172
173 /* Do glob searching for PATTERN, placing results in PGLOB.
174 The bits defined above may be set in FLAGS.
175 If a directory cannot be opened or read and ERRFUNC is not nil,
176 it is called with the pathname that caused the error, and the
177 `errno' value from the failing call; if it returns non-zero
178 `glob' returns GLOB_ABEND; if it returns zero, the error is ignored.
179 If memory cannot be allocated for PGLOB, GLOB_NOSPACE is returned.
180 Otherwise, `glob' returns zero. */
181 #if _FILE_OFFSET_BITS != 64 || __GNUC__ < 2
182 extern int glob __P ((__const char *__pattern, int __flags,
183 int (*__errfunc) (__const char *, int),
184 glob_t *__pglob));
185
186 /* Free storage allocated in PGLOB by a previous `glob' call. */
187 extern void globfree __P ((glob_t *__pglob));
188 #else
189 extern int glob __P ((__const char *__pattern, int __flags,
190 int (*__errfunc) (__const char *, int),
191 glob_t *__pglob)) __asm__ ("glob64");
192
193 extern void globfree __P ((glob_t *__pglob)) __asm__ ("globfree64");
194 #endif
195
196
197 #ifdef _GNU_SOURCE
198 /* Return nonzero if PATTERN contains any metacharacters.
199 Metacharacters can be quoted with backslashes if QUOTE is nonzero.
200
201 This function is not part of the interface specified by POSIX.2
202 but several programs want to use it. */
203 extern int glob_pattern_p __P ((__const char *__pattern, int __quote));
204 #endif
205
206 #ifdef __cplusplus
207 }
208 #endif
209
210 #endif /* glob.h */