1119679Smbr/*
2174294Sobrien * Copyright (c) 2002-2006 Ion Badulescu
3174294Sobrien * Copyright (c) 1997-2006 Erez Zadok
4119679Smbr * Copyright (c) 1990 Jan-Simon Pendry
5119679Smbr * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
6119679Smbr * Copyright (c) 1990 The Regents of the University of California.
7119679Smbr * All rights reserved.
8119679Smbr *
9119679Smbr * This code is derived from software contributed to Berkeley by
10119679Smbr * Jan-Simon Pendry at Imperial College, London.
11119679Smbr *
12119679Smbr * Redistribution and use in source and binary forms, with or without
13119679Smbr * modification, are permitted provided that the following conditions
14119679Smbr * are met:
15119679Smbr * 1. Redistributions of source code must retain the above copyright
16119679Smbr *    notice, this list of conditions and the following disclaimer.
17119679Smbr * 2. Redistributions in binary form must reproduce the above copyright
18119679Smbr *    notice, this list of conditions and the following disclaimer in the
19119679Smbr *    documentation and/or other materials provided with the distribution.
20119679Smbr * 3. All advertising materials mentioning features or use of this software
21119679Smbr *    must display the following acknowledgment:
22119679Smbr *      This product includes software developed by the University of
23119679Smbr *      California, Berkeley and its contributors.
24119679Smbr * 4. Neither the name of the University nor the names of its contributors
25119679Smbr *    may be used to endorse or promote products derived from this software
26119679Smbr *    without specific prior written permission.
27119679Smbr *
28119679Smbr * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29119679Smbr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30119679Smbr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31119679Smbr * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32119679Smbr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33119679Smbr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34119679Smbr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35119679Smbr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36119679Smbr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37119679Smbr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38119679Smbr * SUCH DAMAGE.
39119679Smbr *
40119679Smbr *
41174294Sobrien * File: am-utils/libamu/strerror.c
42119679Smbr *
43119679Smbr */
44119679Smbr
45119679Smbr#ifdef HAVE_CONFIG_H
46119679Smbr# include <config.h>
47119679Smbr#endif /* HAVE_CONFIG_H */
48119679Smbr#include <am_defs.h>
49119679Smbr#include <amu.h>
50119679Smbr
51119679Smbr
52119679Smbr/*
53119679Smbr * Convert errno to a string
54119679Smbr */
55119679Smbrchar *
56119679Smbrstrerror(int errnum)
57119679Smbr{
58119679Smbr#ifdef HAVE_EXTERN_SYS_ERRLIST
59119679Smbr  if (errnum < 0 || errnum >= (sizeof(sys_errlist) >> 2)) {
60119679Smbr    static char errstr[30];
61174294Sobrien    xsnprintf(errstr, sizeof(errstr), "Unknown error #%d", errnum);
62119679Smbr    return errstr;
63119679Smbr  }
64119679Smbr  return sys_errlist[error];
65119679Smbr#else  /* not HAVE_EXTERN_SYS_ERRLIST */
66119679Smbr  return "unknown (strerror not available)";
67119679Smbr#endif /* not HAVE_EXTERN_SYS_ERRLIST */
68119679Smbr}
69