1 /*-
2 * Copyright (c) 1993
3 * The Regents of the University of California. 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 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34 #if defined(LIBC_SCCS) && !defined(lint)
35 static char sccsid[] = "@(#)err.c 8.1 (Berkeley) 6/4/93";
36 #endif /* LIBC_SCCS and not lint */
37
38 #include "err.h"
39 #include <errno.h>
40 #include <stdio.h>
41 #include <stdlib.h>
42 #include <string.h>
43
44 #ifdef __STDC__
45 #include <stdarg.h>
46 #else
47 #include <varargs.h>
48 #endif
49
50 extern char *__progname; /* Program name, from crt0. */
51
52 void
53 #ifdef __STDC__
err(int eval,const char * fmt,...)54 err(int eval, const char *fmt, ...)
55 #else
56 err(eval, fmt, va_alist)
57 int eval;
58 const char *fmt;
59 va_dcl
60 #endif
61 {
62 va_list ap;
63 #if __STDC__
64 va_start(ap, fmt);
65 #else
66 va_start(ap);
67 #endif
68 verr(eval, fmt, ap);
69 va_end(ap);
70 }
71
72 void
verr(int eval,const char * fmt,va_list ap)73 verr(int eval, const char *fmt, va_list ap)
74 {
75 int sverrno;
76
77 sverrno = errno;
78 (void)fprintf(stderr, "%s: ", __progname);
79 if (fmt != NULL) {
80 (void)vfprintf(stderr, fmt, ap);
81 (void)fprintf(stderr, ": ");
82 }
83 (void)fprintf(stderr, "%s\n", strerror(sverrno));
84 exit(eval);
85 }
86
87 void
88 #if __STDC__
errx(int eval,const char * fmt,...)89 errx(int eval, const char *fmt, ...)
90 #else
91 errx(eval, fmt, va_alist)
92 int eval;
93 const char *fmt;
94 va_dcl
95 #endif
96 {
97 va_list ap;
98 #if __STDC__
99 va_start(ap, fmt);
100 #else
101 va_start(ap);
102 #endif
103 verrx(eval, fmt, ap);
104 va_end(ap);
105 }
106
107 void
verrx(int eval,const char * fmt,va_list ap)108 verrx(int eval, const char *fmt, va_list ap)
109 {
110 (void)fprintf(stderr, "%s: ", __progname);
111 if (fmt != NULL)
112 (void)vfprintf(stderr, fmt, ap);
113 (void)fprintf(stderr, "\n");
114 exit(eval);
115 }
116
117 void
118 #if __STDC__
warn(const char * fmt,...)119 warn(const char *fmt, ...)
120 #else
121 warn(fmt, va_alist)
122 const char *fmt;
123 va_dcl
124 #endif
125 {
126 va_list ap;
127 #if __STDC__
128 va_start(ap, fmt);
129 #else
130 va_start(ap);
131 #endif
132 vwarn(fmt, ap);
133 va_end(ap);
134 }
135
136 void
vwarn(fmt,ap)137 vwarn(fmt, ap)
138 const char *fmt;
139 va_list ap;
140 {
141 int sverrno;
142
143 sverrno = errno;
144 (void)fprintf(stderr, "%s: ", __progname);
145 if (fmt != NULL) {
146 (void)vfprintf(stderr, fmt, ap);
147 (void)fprintf(stderr, ": ");
148 }
149 (void)fprintf(stderr, "%s\n", strerror(sverrno));
150 }
151
152 void
153 #ifdef __STDC__
warnx(const char * fmt,...)154 warnx(const char *fmt, ...)
155 #else
156 warnx(fmt, va_alist)
157 const char *fmt;
158 va_dcl
159 #endif
160 {
161 va_list ap;
162 #ifdef __STDC__
163 va_start(ap, fmt);
164 #else
165 va_start(ap);
166 #endif
167 vwarnx(fmt, ap);
168 va_end(ap);
169 }
170
171 void
vwarnx(fmt,ap)172 vwarnx(fmt, ap)
173 const char *fmt;
174 va_list ap;
175 {
176 (void)fprintf(stderr, "%s: ", __progname);
177 if (fmt != NULL)
178 (void)vfprintf(stderr, fmt, ap);
179 (void)fprintf(stderr, "\n");
180 }
181