]> git.saurik.com Git - apple/libc.git/blob - gen.subproj/err.c
a355d99a16b677518bb265e85b791f96d88498d7
[apple/libc.git] / gen.subproj / err.c
1 /*
2 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * The contents of this file constitute Original Code as defined in and
7 * are subject to the Apple Public Source License Version 1.1 (the
8 * "License"). You may not use this file except in compliance with the
9 * License. Please obtain a copy of the License at
10 * http://www.apple.com/publicsource and read it before using this file.
11 *
12 * This Original Code and all software distributed under the License are
13 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17 * License for the specific language governing rights and limitations
18 * under the License.
19 *
20 * @APPLE_LICENSE_HEADER_END@
21 */
22 /*
23 * Copyright (c) 1993
24 * The Regents of the University of California. All rights reserved.
25 *
26 * Redistribution and use in source and binary forms, with or without
27 * modification, are permitted provided that the following conditions
28 * are met:
29 * 1. Redistributions of source code must retain the above copyright
30 * notice, this list of conditions and the following disclaimer.
31 * 2. Redistributions in binary form must reproduce the above copyright
32 * notice, this list of conditions and the following disclaimer in the
33 * documentation and/or other materials provided with the distribution.
34 * 3. All advertising materials mentioning features or use of this software
35 * must display the following acknowledgement:
36 * This product includes software developed by the University of
37 * California, Berkeley and its contributors.
38 * 4. Neither the name of the University nor the names of its contributors
39 * may be used to endorse or promote products derived from this software
40 * without specific prior written permission.
41 *
42 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
43 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
44 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
45 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
46 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
47 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
48 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
49 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
50 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
51 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52 * SUCH DAMAGE.
53 */
54
55
56 #include <err.h>
57 #include <errno.h>
58 #include <stdio.h>
59 #include <stdlib.h>
60 #include <string.h>
61
62 #include <crt_externs.h>
63
64 #ifdef __STDC__
65 #include <stdarg.h>
66 #else
67 #include <varargs.h>
68 #endif
69
70 __dead void
71 #ifdef __STDC__
72 err(int eval, const char *fmt, ...)
73 #else
74 err(eval, fmt, va_alist)
75 int eval;
76 const char *fmt;
77 va_dcl
78 #endif
79 {
80 va_list ap;
81 #if __STDC__
82 va_start(ap, fmt);
83 #else
84 va_start(ap);
85 #endif
86 verr(eval, fmt, ap);
87 va_end(ap);
88 }
89
90 __dead void
91 verr(eval, fmt, ap)
92 int eval;
93 const char *fmt;
94 va_list ap;
95 {
96 char* __progname = *(*_NSGetArgv());
97 int sverrno;
98
99 sverrno = errno;
100 (void)fprintf(stderr, "%s: ", __progname);
101 if (fmt != NULL) {
102 (void)vfprintf(stderr, fmt, ap);
103 (void)fprintf(stderr, ": ");
104 }
105 (void)fprintf(stderr, "%s\n", strerror(sverrno));
106 exit(eval);
107 }
108
109 __dead void
110 #if __STDC__
111 errx(int eval, const char *fmt, ...)
112 #else
113 errx(eval, fmt, va_alist)
114 int eval;
115 const char *fmt;
116 va_dcl
117 #endif
118 {
119 va_list ap;
120 #if __STDC__
121 va_start(ap, fmt);
122 #else
123 va_start(ap);
124 #endif
125 verrx(eval, fmt, ap);
126 va_end(ap);
127 }
128
129 __dead void
130 verrx(eval, fmt, ap)
131 int eval;
132 const char *fmt;
133 va_list ap;
134 {
135 char* __progname = *(*_NSGetArgv());
136 (void)fprintf(stderr, "%s: ", __progname);
137 if (fmt != NULL)
138 (void)vfprintf(stderr, fmt, ap);
139 (void)fprintf(stderr, "\n");
140 exit(eval);
141 }
142
143 void
144 #if __STDC__
145 warn(const char *fmt, ...)
146 #else
147 warn(fmt, va_alist)
148 const char *fmt;
149 va_dcl
150 #endif
151 {
152 va_list ap;
153 #if __STDC__
154 va_start(ap, fmt);
155 #else
156 va_start(ap);
157 #endif
158 vwarn(fmt, ap);
159 va_end(ap);
160 }
161
162 void
163 vwarn(fmt, ap)
164 const char *fmt;
165 va_list ap;
166 {
167 int sverrno = errno;
168 char* __progname = *(*_NSGetArgv());
169 (void)fprintf(stderr, "%s: ", __progname);
170 if (fmt != NULL) {
171 (void)vfprintf(stderr, fmt, ap);
172 (void)fprintf(stderr, ": ");
173 }
174 (void)fprintf(stderr, "%s\n", strerror(sverrno));
175 }
176
177 void
178 #ifdef __STDC__
179 warnx(const char *fmt, ...)
180 #else
181 warnx(fmt, va_alist)
182 const char *fmt;
183 va_dcl
184 #endif
185 {
186 va_list ap;
187 #ifdef __STDC__
188 va_start(ap, fmt);
189 #else
190 va_start(ap);
191 #endif
192 vwarnx(fmt, ap);
193 va_end(ap);
194 }
195
196 void
197 vwarnx(fmt, ap)
198 const char *fmt;
199 va_list ap;
200 {
201 char* __progname = *(*_NSGetArgv());
202 (void)fprintf(stderr, "%s: ", __progname);
203 if (fmt != NULL)
204 (void)vfprintf(stderr, fmt, ap);
205 (void)fprintf(stderr, "\n");
206 }