util.c revision 200420 
1/*-
2 * Copyright (c) 2003-2007 Tim Kientzle
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer
10 *    in this position and unchanged.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: head/usr.bin/ar/util.c 200420 2009-12-11 23:35:38Z delphij $");
29
30#include <sys/queue.h>
31#include <sys/types.h>
32#include <stdarg.h>
33#include <stdio.h>
34#include <stdlib.h>
35#include <string.h>
36
37#include "ar.h"
38
39static void	bsdar_vwarnc(struct bsdar *, int code,
40		    const char *fmt, va_list ap);
41static void	bsdar_verrc(struct bsdar *bsdar, int code,
42		    const char *fmt, va_list ap);
43
44static void
45bsdar_vwarnc(struct bsdar *bsdar, int code, const char *fmt, va_list ap)
46{
47
48	fprintf(stderr, "%s: warning: ", bsdar->progname);
49	vfprintf(stderr, fmt, ap);
50	if (code != 0)
51		fprintf(stderr, ": %s", strerror(code));
52	fprintf(stderr, "\n");
53}
54
55void
56bsdar_warnc(struct bsdar *bsdar, int code, const char *fmt, ...)
57{
58	va_list ap;
59
60	va_start(ap, fmt);
61	bsdar_vwarnc(bsdar, code, fmt, ap);
62	va_end(ap);
63}
64
65static void
66bsdar_verrc(struct bsdar *bsdar, int code, const char *fmt, va_list ap)
67{
68
69	fprintf(stderr, "%s: fatal: ", bsdar->progname);
70	vfprintf(stderr, fmt, ap);
71	if (code != 0)
72		fprintf(stderr, ": %s", strerror(code));
73	fprintf(stderr, "\n");
74}
75
76void
77bsdar_errc(struct bsdar *bsdar, int eval, int code, const char *fmt, ...)
78{
79	va_list ap;
80
81	va_start(ap, fmt);
82	bsdar_verrc(bsdar, code, fmt, ap);
83	va_end(ap);
84	exit(eval);
85}
86