perror.c revision 1.1.2.2 1 1.1.2.2 perry /* $NetBSD: perror.c,v 1.1.2.2 1999/06/21 13:39:35 perry Exp $ */
2 1.1.2.2 perry
3 1.1.2.2 perry /*
4 1.1.2.2 perry * Copyright (c) 1988, 1993
5 1.1.2.2 perry * The Regents of the University of California. All rights reserved.
6 1.1.2.2 perry *
7 1.1.2.2 perry * Redistribution and use in source and binary forms, with or without
8 1.1.2.2 perry * modification, are permitted provided that the following conditions
9 1.1.2.2 perry * are met:
10 1.1.2.2 perry * 1. Redistributions of source code must retain the above copyright
11 1.1.2.2 perry * notice, this list of conditions and the following disclaimer.
12 1.1.2.2 perry * 2. Redistributions in binary form must reproduce the above copyright
13 1.1.2.2 perry * notice, this list of conditions and the following disclaimer in the
14 1.1.2.2 perry * documentation and/or other materials provided with the distribution.
15 1.1.2.2 perry * 3. All advertising materials mentioning features or use of this software
16 1.1.2.2 perry * must display the following acknowledgement:
17 1.1.2.2 perry * This product includes software developed by the University of
18 1.1.2.2 perry * California, Berkeley and its contributors.
19 1.1.2.2 perry * 4. Neither the name of the University nor the names of its contributors
20 1.1.2.2 perry * may be used to endorse or promote products derived from this software
21 1.1.2.2 perry * without specific prior written permission.
22 1.1.2.2 perry *
23 1.1.2.2 perry * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 1.1.2.2 perry * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 1.1.2.2 perry * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 1.1.2.2 perry * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 1.1.2.2 perry * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 1.1.2.2 perry * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 1.1.2.2 perry * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 1.1.2.2 perry * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 1.1.2.2 perry * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 1.1.2.2 perry * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 1.1.2.2 perry * SUCH DAMAGE.
34 1.1.2.2 perry */
35 1.1.2.2 perry
36 1.1.2.2 perry #include <errno.h>
37 1.1.2.2 perry #include <limits.h>
38 1.1.2.2 perry #include <stdio.h>
39 1.1.2.2 perry #include <string.h>
40 1.1.2.2 perry
41 1.1.2.2 perry /*
42 1.1.2.2 perry * Simplified from the libc version.
43 1.1.2.2 perry */
44 1.1.2.2 perry
45 1.1.2.2 perry void
46 1.1.2.2 perry perror(s)
47 1.1.2.2 perry const char *s;
48 1.1.2.2 perry {
49 1.1.2.2 perry const char *separator;
50 1.1.2.2 perry
51 1.1.2.2 perry if (s == NULL)
52 1.1.2.2 perry s = "";
53 1.1.2.2 perry if (*s == '\0')
54 1.1.2.2 perry separator = "";
55 1.1.2.2 perry else
56 1.1.2.2 perry separator = ": ";
57 1.1.2.2 perry
58 1.1.2.2 perry (void)fprintf(stderr, "%s%s%s\n",
59 1.1.2.2 perry s, separator, strerror(errno));
60 1.1.2.2 perry }
61