Systemnahe Programmierung in C: stddef.h
| Systemnahe Programmierung in C: stddef.h |
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1#ifndef _LINUX_STDDEF_H
2#define _LINUX_STDDEF_H
3
4
5#undef NULL
6#if defined(__cplusplus)
7#define NULL 0
8#else
9#define NULL ((void *)0)
10#endif
11
12
13#endif
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1/* Copyright (C) 1991,92,95-98,2000,2001,2004 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the 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 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17 02111-1307 USA. */
18
19#ifndef _GLOB_H
20#define _GLOB_H 1
21
22#include <sys/cdefs.h>
23
24__BEGIN_DECLS
25
26/* We need `size_t' for the following definitions. */
27#ifndef __size_t
28# if defined __GNUC__ && __GNUC__ >= 2
29typedef __SIZE_TYPE__ __size_t;
30# ifdef __USE_XOPEN
31typedef __SIZE_TYPE__ size_t;
32# endif
33# else
34# include <stddef.h>
35# ifndef __size_t
36# define __size_t size_t
37# endif
38# endif
39#else
40/* The GNU CC stddef.h version defines __size_t as empty. We need a real
41 definition. */
42# undef __size_t
43# define __size_t size_t
44#endif
45
46/* Bits set in the FLAGS argument to `glob'. */
47#define GLOB_ERR (1 << 0)/* Return on read errors. */
48#define GLOB_MARK (1 << 1)/* Append a slash to each name. */
49#define GLOB_NOSORT (1 << 2)/* Don't sort the names. */
50#define GLOB_DOOFFS (1 << 3)/* Insert PGLOB->gl_offs NULLs. */
51#define GLOB_NOCHECK (1 << 4)/* If nothing matches, return the pattern. */
52#define GLOB_APPEND (1 << 5)/* Append to results of a previous call. */
53#define GLOB_NOESCAPE (1 << 6)/* Backslashes don't quote metacharacters. */
54#define GLOB_PERIOD (1 << 7)/* Leading `.' can be matched by metachars. */
55
56#if !defined __USE_POSIX2 || defined __USE_BSD || defined __USE_GNU
57# define GLOB_MAGCHAR (1 << 8)/* Set in gl_flags if any metachars seen. */
58# define GLOB_ALTDIRFUNC (1 << 9)/* Use gl_opendir et al functions. */
59# define GLOB_BRACE (1 << 10)/* Expand "{a,b}" to "a" "b". */
60# define GLOB_NOMAGIC (1 << 11)/* If no magic chars, return the pattern. */
61# define GLOB_TILDE (1 << 12)/* Expand ~user and ~ to home directories. */
62# define GLOB_ONLYDIR (1 << 13)/* Match only directories. */
63# define GLOB_TILDE_CHECK (1 << 14)/* Like GLOB_TILDE but return an error
64 if the user name is not available. */
65# define __GLOB_FLAGS (GLOB_ERR|GLOB_MARK|GLOB_NOSORT|GLOB_DOOFFS| \
66 GLOB_NOESCAPE|GLOB_NOCHECK|GLOB_APPEND| \
67 GLOB_PERIOD|GLOB_ALTDIRFUNC|GLOB_BRACE| \
68 GLOB_NOMAGIC|GLOB_TILDE|GLOB_ONLYDIR|GLOB_TILDE_CHECK)
69#else
70# define __GLOB_FLAGS (GLOB_ERR|GLOB_MARK|GLOB_NOSORT|GLOB_DOOFFS| \
71 GLOB_NOESCAPE|GLOB_NOCHECK|GLOB_APPEND| \
72 GLOB_PERIOD)
73#endif
74
75/* Error returns from `glob'. */
76#define GLOB_NOSPACE 1 /* Ran out of memory. */
77#define GLOB_ABORTED 2 /* Read error. */
78#define GLOB_NOMATCH 3 /* No matches found. */
79#define GLOB_NOSYS 4 /* Not implemented. */
80#ifdef __USE_GNU
81/* Previous versions of this file defined GLOB_ABEND instead of
82 GLOB_ABORTED. Provide a compatibility definition here. */
83# define GLOB_ABEND GLOB_ABORTED
84#endif
85
86/* Structure describing a globbing run. */
87#ifdef __USE_GNU
88struct stat;
89#endif
90typedef struct
91 {
92 __size_t gl_pathc; /* Count of paths matched by the pattern. */
93 char **gl_pathv; /* List of matched pathnames. */
94 __size_t gl_offs; /* Slots to reserve in `gl_pathv'. */
95 int gl_flags; /* Set to FLAGS, maybe | GLOB_MAGCHAR. */
96
97 /* If the GLOB_ALTDIRFUNC flag is set, the following functions
98 are used instead of the normal file access functions. */
99 void (*gl_closedir) (void *);
100#ifdef __USE_GNU
101 struct dirent *(*gl_readdir) (void *);
102#else
103 void *(*gl_readdir) (void *);
104#endif
105 void *(*gl_opendir) (__const char *);
106#ifdef __USE_GNU
107 int (*gl_lstat) (__const char *__restrict, struct stat *__restrict);
108 int (*gl_stat) (__const char *__restrict, struct stat *__restrict);
109#else
110 int (*gl_lstat) (__const char *__restrict, void *__restrict);
111 int (*gl_stat) (__const char *__restrict, void *__restrict);
112#endif
113 } glob_t;
114
115#ifdef __USE_LARGEFILE64
116# ifdef __USE_GNU
117struct stat64;
118# endif
119typedef struct
120 {
121 __size_t gl_pathc;
122 char **gl_pathv;
123 __size_t gl_offs;
124 int gl_flags;
125
126 /* If the GLOB_ALTDIRFUNC flag is set, the following functions
127 are used instead of the normal file access functions. */
128 void (*gl_closedir) (void *);
129# ifdef __USE_GNU
130 struct dirent64 *(*gl_readdir) (void *);
131# else
132 void *(*gl_readdir) (void *);
133# endif
134 void *(*gl_opendir) (__const char *);
135# ifdef __USE_GNU
136 int (*gl_lstat) (__const char *__restrict, struct stat64 *__restrict);
137 int (*gl_stat) (__const char *__restrict, struct stat64 *__restrict);
138# else
139 int (*gl_lstat) (__const char *__restrict, void *__restrict);
140 int (*gl_stat) (__const char *__restrict, void *__restrict);
141# endif
142 } glob64_t;
143#endif
144
145#if __USE_FILE_OFFSET64 && __GNUC__ < 2
146# define glob glob64
147# define globfree globfree64
148#endif
149
150/* Do glob searching for PATTERN, placing results in PGLOB.
151 The bits defined above may be set in FLAGS.
152 If a directory cannot be opened or read and ERRFUNC is not nil,
153 it is called with the pathname that caused the error, and the
154 `errno' value from the failing call; if it returns non-zero
155 `glob' returns GLOB_ABEND; if it returns zero, the error is ignored.
156 If memory cannot be allocated for PGLOB, GLOB_NOSPACE is returned.
157 Otherwise, `glob' returns zero. */
158#if !defined __USE_FILE_OFFSET64 || __GNUC__ < 2
159extern int glob (__const char *__restrict __pattern, int __flags,
160 int (*__errfunc) (__const char *, int),
161 glob_t *__restrict __pglob) __THROW;
162
163/* Free storage allocated in PGLOB by a previous `glob' call. */
164extern void globfree (glob_t *__pglob) __THROW;
165#else
166extern int __REDIRECT_NTH (glob, (__const char *__restrict __pattern,
167 int __flags,
168 int (*__errfunc) (__const char *, int),
169 glob_t *__restrict __pglob), glob64);
170
171extern void __REDIRECT_NTH (globfree, (glob_t *__pglob), globfree64);
172#endif
173
174#ifdef __USE_LARGEFILE64
175extern int glob64 (__const char *__restrict __pattern, int __flags,
176 int (*__errfunc) (__const char *, int),
177 glob64_t *__restrict __pglob) __THROW;
178
179extern void globfree64 (glob64_t *__pglob) __THROW;
180#endif
181
182
183#ifdef __USE_GNU
184/* Return nonzero if PATTERN contains any metacharacters.
185 Metacharacters can be quoted with backslashes if QUOTE is nonzero.
186
187 This function is not part of the interface specified by POSIX.2
188 but several programs want to use it. */
189extern int glob_pattern_p (__const char *__pattern, int __quote) __THROW;
190#endif
191
192__END_DECLS
193
194#endif /* glob.h */
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| Letzte Änderung: 06.05.2003 | © Prof. Dr. Uwe Schmidt |
