3 * Herbert Xu <herbert@gondor.apana.org.au>. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 #include <sys/types.h>
34 #define SSIZE_MAX ((ssize_t)((size_t)-1 >> 1))
37 static inline void sigclearmask(void)
39 #if defined(HAVE_SIGSETMASK) && \
40 (!defined(__GLIBC__) || \
41 (defined(__GNUC__) && (__GNUC__ * 1000 + __GNUC_MINOR__) >= 4006))
43 #pragma GCC diagnostic push
44 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
48 #pragma GCC diagnostic pop
53 sigprocmask(SIG_SETMASK
, &set
, 0);
57 #ifndef HAVE_MEMFD_CREATE
58 static inline int memfd_create(const char *name
, unsigned int flags
)
65 void *mempcpy(void *, const void *, size_t);
69 char *stpcpy(char *, const char *);
72 #ifndef HAVE_STRCHRNUL
73 char *strchrnul(const char *, int);
76 #ifndef HAVE_STRSIGNAL
81 static inline double strtod(const char *nptr
, char **endptr
)
83 *endptr
= (char *)nptr
;
88 #ifndef HAVE_STRTOIMAX
89 #define strtoimax strtoll
92 #ifndef HAVE_STRTOUMAX
93 #define strtoumax strtoull
97 void *bsearch(const void *, const void *, size_t, size_t,
98 int (*)(const void *, const void *));
102 static inline int killpg(pid_t pid
, int signal
)
108 return kill(-pid
, signal
);
113 #define _SC_CLK_TCK 2
114 long sysconf(int) __attribute__((__noreturn__
));
117 #if !HAVE_DECL_ISBLANK
122 static inline ssize_t
tee(int fd_in
, int fd_out
, size_t len
, unsigned int flags
)
129 static inline int fnmatch(const char *pattern
, const char *string
, int flags
)
136 #define GLOB_ERR (1 << 0)/* Return on read errors. */
137 #define GLOB_MARK (1 << 1)/* Append a slash to each name. */
138 #define GLOB_NOSORT (1 << 2)/* Don't sort the names. */
139 #define GLOB_DOOFFS (1 << 3)/* Insert PGLOB->gl_offs NULLs. */
140 #define GLOB_NOCHECK (1 << 4)/* If nothing matches, return the pattern. */
141 #define GLOB_APPEND (1 << 5)/* Append to results of a previous call. */
142 #define GLOB_NOESCAPE (1 << 6)/* Backslashes don't quote metacharacters. */
143 #define GLOB_PERIOD (1 << 7)/* Leading `.' can be matched by metachars. */
144 #define GLOB_MAGCHAR (1 << 8)/* Set in gl_flags if any metachars seen. */
145 #define GLOB_ALTDIRFUNC (1 << 9)/* Use gl_opendir et al functions. */
146 #define GLOB_BRACE (1 << 10)/* Expand "{a,b}" to "a" "b". */
147 #define GLOB_NOMAGIC (1 << 11)/* If no magic chars, return the pattern. */
148 #define GLOB_TILDE (1 << 12)/* Expand ~user and ~ to home directories. */
149 #define GLOB_ONLYDIR (1 << 13)/* Match only directories. */
150 #define GLOB_TILDE_CHECK (1 << 14)/* Like GLOB_TILDE but return an error
151 if the user name is not available. */
153 #define GLOB_NOSPACE 1 /* Ran out of memory. */
154 #define GLOB_ABORTED 2 /* Read error. */
155 #define GLOB_NOMATCH 3 /* No matches found. */
156 #define GLOB_NOSYS 4 /* Not implemented. */
167 void (*gl_closedir
)(void *);
168 struct dirent64
*(*gl_readdir
)(void *);
169 void *(*gl_opendir
)(const char *);
170 int (*gl_lstat
)(const char *, struct stat64
*);
171 int (*gl_stat
)(const char *, struct stat64
*);
174 static inline int glob64(const char *pattern
, int flags
,
175 int (*errfunc
)(const char *epath
, int eerrno
),
176 glob64_t
*restrict pglob
)
181 static inline void globfree64(glob64_t
*pglob
)
187 * A trick to suppress uninitialized variable warning without generating any
190 #define uninitialized_var(x) x = x