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 static const char *lafe_progname;
46
47 const char *
lafe_getprogname(void)48 lafe_getprogname(void)
49 {
50
51 return lafe_progname;
52 }
53
54 void
lafe_setprogname(const char * name,const char * defaultname)55 lafe_setprogname(const char *name, const char *defaultname)
56 {
57
58 if (name == NULL)
59 name = defaultname;
60 #if defined(_WIN32) && !defined(__CYGWIN__)
61 lafe_progname = strrchr(name, '\\');
62 if (strrchr(name, '/') > lafe_progname)
63 #endif
64 lafe_progname = strrchr(name, '/');
65 if (lafe_progname != NULL)
66 lafe_progname++;
67 else
68 lafe_progname = name;
69 }
70
71 static void
lafe_vwarnc(int code,const char * fmt,va_list ap)72 lafe_vwarnc(int code, const char *fmt, va_list ap)
73 {
74 fprintf(stderr, "%s: ", lafe_progname);
75 vfprintf(stderr, fmt, ap);
76 if (code != 0)
77 fprintf(stderr, ": %s", strerror(code));
78 fprintf(stderr, "\n");
79 }
80
81 void
lafe_warnc(int code,const char * fmt,...)82 lafe_warnc(int code, const char *fmt, ...)
83 {
84 va_list ap;
85
86 va_start(ap, fmt);
87 lafe_vwarnc(code, fmt, ap);
88 va_end(ap);
89 }
90
91 void
lafe_errc(int eval,int code,const char * fmt,...)92 lafe_errc(int eval, int code, const char *fmt, ...)
93 {
94 va_list ap;
95
96 va_start(ap, fmt);
97 lafe_vwarnc(code, fmt, ap);
98 va_end(ap);
99 exit(eval);
100 }
101