blob: 1c1e43a5266e948429dd2246558f663a25c0b535 [file] [log] [blame]
Damien Millerd4a8b7e1999-10-27 13:42:43 +10001/*
Damien Miller040f3832000-04-03 14:50:43 +10002 * Copyright (c) 1999-2000 Damien Miller. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
Damien Miller040f3832000-04-03 14:50:43 +100012 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 */
Damien Millerd4a8b7e1999-10-27 13:42:43 +100024
Damien Miller11fa2cc2000-08-16 10:35:58 +100025#include "includes.h"
Damien Millerd4a8b7e1999-10-27 13:42:43 +100026
Ben Lindstrom100d5862002-07-08 21:09:41 +000027RCSID("$Id: bsd-misc.c,v 1.10 2002/07/08 21:09:41 mouring Exp $");
Damien Millere9cf3572001-02-09 12:55:35 +110028
Ben Lindstrom49a79c02000-11-17 03:47:20 +000029char *get_progname(char *argv0)
30{
31#ifdef HAVE___PROGNAME
32 extern char *__progname;
33
34 return __progname;
35#else
36 char *p;
37
38 if (argv0 == NULL)
39 return "unknown"; /* XXX */
40 p = strrchr(argv0, '/');
41 if (p == NULL)
42 p = argv0;
43 else
44 p++;
45 return p;
46#endif
47}
48
Damien Millere72b7af1999-12-30 15:08:44 +110049#ifndef HAVE_SETLOGIN
50int setlogin(const char *name)
51{
52 return(0);
53}
54#endif /* !HAVE_SETLOGIN */
55
56#ifndef HAVE_INNETGR
57int innetgr(const char *netgroup, const char *host,
58 const char *user, const char *domain)
59{
60 return(0);
61}
62#endif /* HAVE_INNETGR */
63
64#if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
65int seteuid(uid_t euid)
66{
67 return(setreuid(-1,euid));
68}
69#endif /* !defined(HAVE_SETEUID) && defined(HAVE_SETREUID) */
Damien Millerecbb26d2000-07-15 14:59:14 +100070
Kevin Stevescb17e992001-04-09 14:50:52 +000071#if !defined(HAVE_SETEGID) && defined(HAVE_SETRESGID)
72int setegid(uid_t egid)
73{
74 return(setresgid(-1,egid,-1));
75}
76#endif /* !defined(HAVE_SETEGID) && defined(HAVE_SETRESGID) */
77
Damien Miller11fa2cc2000-08-16 10:35:58 +100078#if !defined(HAVE_STRERROR) && defined(HAVE_SYS_ERRLIST) && defined(HAVE_SYS_NERR)
79const char *strerror(int e)
Damien Millerecbb26d2000-07-15 14:59:14 +100080{
Damien Miller11fa2cc2000-08-16 10:35:58 +100081 extern int sys_nerr;
82 extern char *sys_errlist[];
83
Ben Lindstrom46e55aa2001-03-13 23:38:20 +000084 if ((e >= 0) && (e < sys_nerr))
Damien Miller11fa2cc2000-08-16 10:35:58 +100085 return(sys_errlist[e]);
Ben Lindstrom46e55aa2001-03-13 23:38:20 +000086 else
87 return("unlisted error");
Damien Millerecbb26d2000-07-15 14:59:14 +100088}
Damien Miller11fa2cc2000-08-16 10:35:58 +100089#endif
Ben Lindstrom42202bc2001-01-15 02:34:37 +000090
91#ifndef HAVE_UTIMES
92int utimes(char *filename, struct timeval *tvp)
93{
94 struct utimbuf ub;
95
Ben Lindstrom100d5862002-07-08 21:09:41 +000096 ub.actime = tvp[0].tv_sec;
97 ub.modtime = tvp[1].tv_sec;
Ben Lindstrom42202bc2001-01-15 02:34:37 +000098
99 return(utime(filename, &ub));
100}
101#endif
Tim Rice4bd2a192002-05-07 19:51:31 -0700102
103#ifndef HAVE_TRUNCATE
104int truncate (const char *path, off_t length)
105{
106 int fd, ret, saverrno;
107
108 fd = open(path, O_WRONLY);
109 if (fd < 0)
110 return -1;
111
112 ret = ftruncate(fd, length);
113 saverrno = errno;
114 (void) close (fd);
115 if (ret == -1)
116 errno = saverrno;
117 return(ret);
118}
119#endif /* HAVE_TRUNCATE */
120
Ben Lindstrom837461b2002-06-12 16:57:14 +0000121#if !defined(HAVE_SETGROUPS) && defined(SETGROUPS_NOOP)
122/*
123 * Cygwin setgroups should be a noop.
124 */
125int
Ben Lindstrom0e23ebc2002-06-13 21:34:57 +0000126setgroups(size_t size, const gid_t *list)
Ben Lindstrom837461b2002-06-12 16:57:14 +0000127{
128 return 0;
129}
130#endif
131