include/bsd/unistd.h

0001 /*
0002  * Copyright © 2006 Robert Millan
0003  * Copyright © 2008-2011 Guillem Jover <guillem@hadrons.org>
0004  *
0005  * Redistribution and use in source and binary forms, with or without
0006  * modification, are permitted provided that the following conditions
0007  * are met:
0008  * 1. Redistributions of source code must retain the above copyright
0009  *    notice, this list of conditions and the following disclaimer.
0010  * 2. Redistributions in binary form must reproduce the above copyright
0011  *    notice, this list of conditions and the following disclaimer in the
0012  *    documentation and/or other materials provided with the distribution.
0013  * 3. The name of the author may not be used to endorse or promote products
0014  *    derived from this software without specific prior written permission.
0015  *
0016  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
0017  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
0018  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
0019  * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
0020  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
0021  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
0022  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
0023  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
0024  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
0025  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
0026  */
0027
0028 #ifdef LIBBSD_OVERLAY
0029 #include <sys/cdefs.h>
0030 #if __has_include_next(<unistd.h>)
0031 #include_next <unistd.h>
0032 #endif
0033 #else
0034 #include <bsd/sys/cdefs.h>
0035 #if __has_include(<unistd.h>)
0036 #include <unistd.h>
0037 #endif
0038 #endif
0039
0040 #ifndef LIBBSD_UNISTD_H
0041 #define LIBBSD_UNISTD_H
0042
0043 #include <sys/stat.h>
0044
0045 #if !defined(S_ISTXT) && defined(S_ISVTX)
0046 #define S_ISTXT S_ISVTX
0047 #endif
0048
0049 __BEGIN_DECLS
0050 #if !defined(__APPLE__)
0051 extern int optreset;
0052
0053 #ifdef LIBBSD_OVERLAY
0054 #undef getopt
0055 #define getopt(argc, argv, optstr) bsd_getopt(argc, argv, optstr)
0056 #endif
0057
0058 int bsd_getopt(int argc, char * const argv[], const char *shortopts);
0059 #endif
0060
0061 mode_t getmode(const void *set, mode_t mode);
0062 void *setmode(const char *mode_str);
0063
0064 #if !defined(__GLIBC__) || \
0065     !__GLIBC_PREREQ(2, 34) || \
0066     !defined(_DEFAULT_SOURCE)
0067 void closefrom(int lowfd);
0068 #endif
0069
0070 /* Compatibility with sendmail implementations. */
0071 #define initsetproctitle(c, a, e) setproctitle_init((c), (a), (e))
0072
0073 void setproctitle_init(int argc, char *argv[], char *envp[]);
0074 void setproctitle(const char *fmt, ...)
0075     __printflike(1, 2);
0076
0077 int getpeereid(int s, uid_t *euid, gid_t *egid);
0078 __END_DECLS
0079
0080 #endif