xref: /freebsd/contrib/libarchive/libarchive_fe/err.c (revision f4b37ed0f8b307b1f3f0f630ca725d68f1dff30d)
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 "lafe_platform.h"
28 __FBSDID("$FreeBSD$");
29 
30 #ifdef HAVE_STDARG_H
31 #include <stdarg.h>
32 #endif
33 #include <stdio.h>
34 #ifdef HAVE_STDLIB_H
35 #include <stdlib.h>
36 #endif
37 #ifdef HAVE_STRING_H
38 #include <string.h>
39 #endif
40 
41 #include "err.h"
42 
43 static void lafe_vwarnc(int, const char *, va_list) __LA_PRINTFLIKE(2, 0);
44 
45 const char *lafe_progname;
46 
47 static void
48 lafe_vwarnc(int code, const char *fmt, va_list ap)
49 {
50 	fprintf(stderr, "%s: ", lafe_progname);
51 	vfprintf(stderr, fmt, ap);
52 	if (code != 0)
53 		fprintf(stderr, ": %s", strerror(code));
54 	fprintf(stderr, "\n");
55 }
56 
57 void
58 lafe_warnc(int code, const char *fmt, ...)
59 {
60 	va_list ap;
61 
62 	va_start(ap, fmt);
63 	lafe_vwarnc(code, fmt, ap);
64 	va_end(ap);
65 }
66 
67 void
68 lafe_errc(int eval, int code, const char *fmt, ...)
69 {
70 	va_list ap;
71 
72 	va_start(ap, fmt);
73 	lafe_vwarnc(code, fmt, ap);
74 	va_end(ap);
75 	exit(eval);
76 }
77