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29 * @(#)err.c 8.1 (Berkeley) 6/4/93
30 * $FreeBSD: src/lib/libc/gen/err.c,v 1.15 2008/04/03 20:36:44 imp Exp $
33 #include "namespace.h"
40 #include "un-namespace.h"
42 #include "libc_private.h"
44 static FILE *err_file; /* file to use for error output */
45 static void (*err_exit)(int);
48 * This is declared to take a `void *' so that the caller is not required
49 * to include <stdio.h> first. However, it is really a `FILE *', and the
50 * manual page documents it as such.
53 err_set_file(void *fp)
62 err_set_exit(void (*ef)(int))
67 __weak_reference(_err, err);
69 void _err(int, const char *, ...) __printflike(2, 3);
72 _err(int eval, const char *fmt, ...)
76 verrc(eval, errno, fmt, ap);
81 verr(int eval, const char *fmt, va_list ap)
83 verrc(eval, errno, fmt, ap);
87 errc(int eval, int code, const char *fmt, ...)
91 verrc(eval, code, fmt, ap);
96 verrc(int eval, int code, const char *fmt, va_list ap)
100 fprintf(err_file, "%s: ", _getprogname());
102 vfprintf(err_file, fmt, ap);
103 fprintf(err_file, ": ");
105 fprintf(err_file, "%s\n", strerror(code));
112 errx(int eval, const char *fmt, ...)
116 verrx(eval, fmt, ap);
121 verrx(int eval, const char *fmt, va_list ap)
123 if (err_file == NULL)
125 fprintf(err_file, "%s: ", _getprogname());
127 vfprintf(err_file, fmt, ap);
128 fprintf(err_file, "\n");
134 __weak_reference(_warn, warn);
136 void _warn(const char *, ...) __printflike(1, 2);
139 _warn(const char *fmt, ...)
143 vwarnc(errno, fmt, ap);
148 vwarn(const char *fmt, va_list ap)
150 vwarnc(errno, fmt, ap);
154 warnc(int code, const char *fmt, ...)
158 vwarnc(code, fmt, ap);
163 vwarnc(int code, const char *fmt, va_list ap)
165 if (err_file == NULL)
167 fprintf(err_file, "%s: ", _getprogname());
169 vfprintf(err_file, fmt, ap);
170 fprintf(err_file, ": ");
172 fprintf(err_file, "%s\n", strerror(code));
176 warnx(const char *fmt, ...)
185 vwarnx(const char *fmt, va_list ap)
187 if (err_file == NULL)
189 fprintf(err_file, "%s: ", _getprogname());
191 vfprintf(err_file, fmt, ap);
192 fprintf(err_file, "\n");