/dash-0.5.5.1/src/system.h
C Header | 105 lines | 60 code | 14 blank | 31 comment | 1 complexity | 4a78f99721b69ea26124075ea9ff5034 MD5 | raw file
- /*
- * Copyright (c) 2004
- * Herbert Xu <herbert@gondor.apana.org.au>. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
- #include <limits.h>
- #include <signal.h>
- #include <sys/types.h>
- #ifndef SSIZE_MAX
- #define SSIZE_MAX ((ssize_t)((size_t)-1 >> 1))
- #endif
- static inline void sigclearmask(void)
- {
- #ifdef HAVE_SIGSETMASK
- sigsetmask(0);
- #else
- sigset_t set;
- sigemptyset(&set);
- sigprocmask(SIG_SETMASK, &set, 0);
- #endif
- }
- #ifndef HAVE_MEMPCPY
- void *mempcpy(void *, const void *, size_t);
- #endif
- #ifndef HAVE_STPCPY
- char *stpcpy(char *, const char *);
- #endif
- #ifndef HAVE_STRCHRNUL
- char *strchrnul(const char *, int);
- #endif
- #ifndef HAVE_STRSIGNAL
- char *strsignal(int);
- #endif
- #ifndef HAVE_STRTOD
- static inline double strtod(const char *nptr, char **endptr)
- {
- *endptr = (char *)nptr;
- return 0;
- }
- #endif
- #ifndef HAVE_STRTOIMAX
- #define strtoimax strtoll
- #endif
- #ifndef HAVE_STRTOUMAX
- #define strtoumax strtoull
- #endif
- #ifndef HAVE_BSEARCH
- void *bsearch(const void *, const void *, size_t, size_t,
- int (*)(const void *, const void *));
- #endif
- #ifndef HAVE_KILLPG
- static inline int killpg(pid_t pid, int signal)
- {
- #ifdef DEBUG
- if (pid < 0)
- abort();
- #endif
- return kill(-pid, signal);
- }
- #endif
- #ifndef HAVE_SYSCONF
- #define _SC_CLK_TCK 2
- long sysconf(int) __attribute__((__noreturn__));
- #endif
- /*
- * A trick to suppress uninitialized variable warning without generating any
- * code
- */
- #define uninitialized_var(x) x = x