3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 #if defined(LIBC_SCCS) && !defined(lint)
31 static char sccsid[] = "@(#)err.c 8.1 (Berkeley) 6/4/93";
32 #endif /* LIBC_SCCS and not lint */
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
36 #include "namespace.h"
43 #include "un-namespace.h"
45 #include "libc_private.h"
47 static FILE *err_file; /* file to use for error output */
48 static void (*err_exit)(int);
51 * This is declared to take a `void *' so that the caller is not required
52 * to include <stdio.h> first. However, it is really a `FILE *', and the
53 * manual page documents it as such.
56 err_set_file(void *fp)
65 err_set_exit(void (*ef)(int))
70 __weak_reference(_err, err);
73 _err(int eval, const char *fmt, ...)
77 verrc(eval, errno, fmt, ap);
87 verrc(eval, errno, fmt, ap);
91 errc(int eval, int code, const char *fmt, ...)
95 verrc(eval, code, fmt, ap);
100 verrc(int eval, int code, const char *fmt, va_list ap)
103 err_set_file((FILE *)0);
104 fprintf(err_file, "%s: ", _getprogname());
106 vfprintf(err_file, fmt, ap);
107 fprintf(err_file, ": ");
109 fprintf(err_file, "%s\n", strerror(code));
116 errx(int eval, const char *fmt, ...)
120 verrx(eval, fmt, ap);
125 verrx(int eval, const char *fmt, va_list ap)
128 err_set_file((FILE *)0);
129 fprintf(err_file, "%s: ", _getprogname());
131 vfprintf(err_file, fmt, ap);
132 fprintf(err_file, "\n");
138 __weak_reference(_warn, warn);
141 _warn(const char *fmt, ...)
145 vwarnc(errno, fmt, ap);
150 vwarn(const char *fmt, va_list ap)
152 vwarnc(errno, fmt, ap);
156 warnc(int code, const char *fmt, ...)
160 vwarnc(code, fmt, ap);
165 vwarnc(int code, const char *fmt, va_list ap)
168 err_set_file((FILE *)0);
169 fprintf(err_file, "%s: ", _getprogname());
171 vfprintf(err_file, fmt, ap);
172 fprintf(err_file, ": ");
174 fprintf(err_file, "%s\n", strerror(code));
178 warnx(const char *fmt, ...)
187 vwarnx(const char *fmt, va_list ap)
190 err_set_file((FILE *)0);
191 fprintf(err_file, "%s: ", _getprogname());
193 vfprintf(err_file, fmt, ap);
194 fprintf(err_file, "\n");