2 * SPDX-License-Identifier: BSD-3-Clause
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8 * modification, are permitted provided that the following conditions
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11 * notice, this list of conditions and the following disclaimer.
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32 #include <sys/cdefs.h>
33 __SCCSID("@(#)err.c 8.1 (Berkeley) 6/4/93");
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);
82 verr(int eval, const char *fmt, va_list ap)
84 verrc(eval, errno, fmt, ap);
88 errc(int eval, int code, const char *fmt, ...)
92 verrc(eval, code, fmt, ap);
97 verrc(int eval, int code, const char *fmt, va_list ap)
101 fprintf(err_file, "%s: ", _getprogname());
103 vfprintf(err_file, fmt, ap);
104 fprintf(err_file, ": ");
106 fprintf(err_file, "%s\n", strerror(code));
113 errx(int eval, const char *fmt, ...)
117 verrx(eval, fmt, ap);
122 verrx(int eval, const char *fmt, va_list ap)
124 if (err_file == NULL)
126 fprintf(err_file, "%s: ", _getprogname());
128 vfprintf(err_file, fmt, ap);
129 fprintf(err_file, "\n");
135 __weak_reference(_warn, warn);
138 _warn(const char *fmt, ...)
142 vwarnc(errno, fmt, ap);
147 vwarn(const char *fmt, va_list ap)
149 vwarnc(errno, fmt, ap);
153 warnc(int code, const char *fmt, ...)
157 vwarnc(code, fmt, ap);
162 vwarnc(int code, const char *fmt, va_list ap)
164 if (err_file == NULL)
166 fprintf(err_file, "%s: ", _getprogname());
168 vfprintf(err_file, fmt, ap);
169 fprintf(err_file, ": ");
171 fprintf(err_file, "%s\n", strerror(code));
175 warnx(const char *fmt, ...)
184 vwarnx(const char *fmt, va_list ap)
186 if (err_file == NULL)
188 fprintf(err_file, "%s: ", _getprogname());
190 vfprintf(err_file, fmt, ap);
191 fprintf(err_file, "\n");