1/*
2 * Copyright (c) 2002-2006 Ion Badulescu
3 * Copyright (c) 1997-2006 Erez Zadok
4 * Copyright (c) 1990 Jan-Simon Pendry
5 * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
6 * Copyright (c) 1990 The Regents of the University of California.
7 * All rights reserved.
8 *
9 * This code is derived from software contributed to Berkeley by
10 * Jan-Simon Pendry at Imperial College, London.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 *    notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 *    notice, this list of conditions and the following disclaimer in the
19 *    documentation and/or other materials provided with the distribution.
20 * 3. All advertising materials mentioning features or use of this software
21 *    must display the following acknowledgment:
22 *      This product includes software developed by the University of
23 *      California, Berkeley and its contributors.
24 * 4. Neither the name of the University nor the names of its contributors
25 *    may be used to endorse or promote products derived from this software
26 *    without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 * SUCH DAMAGE.
39 *
40 *
41 * File: am-utils/libamu/strerror.c
42 *
43 */
44
45#ifdef HAVE_CONFIG_H
46# include <config.h>
47#endif /* HAVE_CONFIG_H */
48#include <am_defs.h>
49#include <amu.h>
50
51
52/*
53 * Convert errno to a string
54 */
55char *
56strerror(int errnum)
57{
58#ifdef HAVE_EXTERN_SYS_ERRLIST
59  if (errnum < 0 || errnum >= (sizeof(sys_errlist) >> 2)) {
60    static char errstr[30];
61    xsnprintf(errstr, sizeof(errstr), "Unknown error #%d", errnum);
62    return errstr;
63  }
64  return sys_errlist[error];
65#else  /* not HAVE_EXTERN_SYS_ERRLIST */
66  return "unknown (strerror not available)";
67#endif /* not HAVE_EXTERN_SYS_ERRLIST */
68}
69