xref: /freebsd/usr.bin/ar/util.c (revision a0409676120c1e558d0ade943019934e0f15118d)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2003-2007 Tim Kientzle
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
31 
32 #include <sys/queue.h>
33 #include <sys/types.h>
34 #include <errno.h>
35 #include <stdarg.h>
36 #include <stdio.h>
37 #include <stdlib.h>
38 #include <string.h>
39 
40 #include "ar.h"
41 
42 static void	bsdar_vwarnc(struct bsdar *, int code,
43 		    const char *fmt, va_list ap);
44 static void	bsdar_verrc(struct bsdar *bsdar, int code,
45 		    const char *fmt, va_list ap);
46 
47 static void
48 bsdar_vwarnc(struct bsdar *bsdar, int code, const char *fmt, va_list ap)
49 {
50 
51 	fprintf(stderr, "%s: warning: ", bsdar->progname);
52 	vfprintf(stderr, fmt, ap);
53 	if (code != 0)
54 		fprintf(stderr, ": %s", strerror(code));
55 	fprintf(stderr, "\n");
56 }
57 
58 void
59 bsdar_warnc(struct bsdar *bsdar, int code, const char *fmt, ...)
60 {
61 	va_list ap;
62 
63 	va_start(ap, fmt);
64 	bsdar_vwarnc(bsdar, code, fmt, ap);
65 	va_end(ap);
66 }
67 
68 static void
69 bsdar_verrc(struct bsdar *bsdar, int code, const char *fmt, va_list ap)
70 {
71 
72 	fprintf(stderr, "%s: fatal: ", bsdar->progname);
73 	vfprintf(stderr, fmt, ap);
74 	if (code != 0)
75 		fprintf(stderr, ": %s", strerror(code));
76 	fprintf(stderr, "\n");
77 }
78 
79 void
80 bsdar_errc(struct bsdar *bsdar, int eval, int code, const char *fmt, ...)
81 {
82 	va_list ap;
83 
84 	va_start(ap, fmt);
85 	bsdar_verrc(bsdar, code, fmt, ap);
86 	va_end(ap);
87 	exit(eval);
88 }
89