132 lines
3.1 KiB
C
132 lines
3.1 KiB
C
/*
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* Copyright (c) 1999-2000 Damien Miller. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "includes.h"
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RCSID("$Id: bsd-misc.c,v 1.10 2002/07/08 21:09:41 mouring Exp $");
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char *get_progname(char *argv0)
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{
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#ifdef HAVE___PROGNAME
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extern char *__progname;
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return __progname;
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#else
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char *p;
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if (argv0 == NULL)
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return "unknown"; /* XXX */
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p = strrchr(argv0, '/');
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if (p == NULL)
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p = argv0;
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else
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p++;
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return p;
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#endif
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}
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#ifndef HAVE_SETLOGIN
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int setlogin(const char *name)
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{
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return(0);
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}
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#endif /* !HAVE_SETLOGIN */
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#ifndef HAVE_INNETGR
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int innetgr(const char *netgroup, const char *host,
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const char *user, const char *domain)
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{
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return(0);
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}
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#endif /* HAVE_INNETGR */
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#if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
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int seteuid(uid_t euid)
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{
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return(setreuid(-1,euid));
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}
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#endif /* !defined(HAVE_SETEUID) && defined(HAVE_SETREUID) */
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#if !defined(HAVE_SETEGID) && defined(HAVE_SETRESGID)
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int setegid(uid_t egid)
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{
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return(setresgid(-1,egid,-1));
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}
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#endif /* !defined(HAVE_SETEGID) && defined(HAVE_SETRESGID) */
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#if !defined(HAVE_STRERROR) && defined(HAVE_SYS_ERRLIST) && defined(HAVE_SYS_NERR)
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const char *strerror(int e)
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{
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extern int sys_nerr;
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extern char *sys_errlist[];
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if ((e >= 0) && (e < sys_nerr))
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return(sys_errlist[e]);
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else
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return("unlisted error");
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}
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#endif
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#ifndef HAVE_UTIMES
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int utimes(char *filename, struct timeval *tvp)
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{
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struct utimbuf ub;
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ub.actime = tvp[0].tv_sec;
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ub.modtime = tvp[1].tv_sec;
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return(utime(filename, &ub));
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}
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#endif
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#ifndef HAVE_TRUNCATE
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int truncate (const char *path, off_t length)
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{
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int fd, ret, saverrno;
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fd = open(path, O_WRONLY);
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if (fd < 0)
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return -1;
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ret = ftruncate(fd, length);
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saverrno = errno;
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(void) close (fd);
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if (ret == -1)
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errno = saverrno;
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return(ret);
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}
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#endif /* HAVE_TRUNCATE */
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#if !defined(HAVE_SETGROUPS) && defined(SETGROUPS_NOOP)
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/*
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* Cygwin setgroups should be a noop.
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*/
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int
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setgroups(size_t size, const gid_t *list)
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{
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return 0;
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}
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#endif
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