183 lines
4.0 KiB
C
183 lines
4.0 KiB
C
/*-
|
|
* Copyright (c) 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <errno.h>
|
|
#include <stdarg.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include <err.h>
|
|
#include <libc.h>
|
|
|
|
static FILE *err_file; /* file to use for error output */
|
|
static void (*err_exit)(int);
|
|
|
|
|
|
/*
|
|
* This is declared to take a `void *' so that the caller is not required
|
|
* to include <stdio.h> first. However, it is really a `FILE *', and the
|
|
* manual page documents it as such.
|
|
*/
|
|
void
|
|
err_set_file(void *fp)
|
|
{
|
|
if (fp)
|
|
err_file = fp;
|
|
else
|
|
err_file = stderr;
|
|
}
|
|
|
|
void
|
|
err_set_exit(void (*ef)(int))
|
|
{
|
|
err_exit = ef;
|
|
}
|
|
|
|
|
|
void
|
|
/*_*/err(int eval, const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
va_start(ap, fmt);
|
|
verrc(eval, errno, fmt, ap);
|
|
va_end(ap);
|
|
}
|
|
|
|
void
|
|
verr(int eval, const char *fmt, va_list ap)
|
|
{
|
|
verrc(eval, errno, fmt, ap);
|
|
}
|
|
|
|
void
|
|
errc(int eval, int code, const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
va_start(ap, fmt);
|
|
verrc(eval, code, fmt, ap);
|
|
va_end(ap);
|
|
}
|
|
|
|
void
|
|
verrc(int eval, int code, const char *fmt, va_list ap)
|
|
{
|
|
if (err_file == NULL)
|
|
err_set_file((FILE *)0);
|
|
fprintf(err_file, "%s: ", _getprogname());
|
|
if (fmt != NULL) {
|
|
vfprintf(err_file, fmt, ap);
|
|
fprintf(err_file, ": ");
|
|
}
|
|
fprintf(err_file, "%s\n", strerror(code));
|
|
if (err_exit)
|
|
err_exit(eval);
|
|
exit(eval);
|
|
}
|
|
|
|
void
|
|
errx(int eval, const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
va_start(ap, fmt);
|
|
verrx(eval, fmt, ap);
|
|
va_end(ap);
|
|
}
|
|
|
|
void
|
|
verrx(int eval, const char *fmt, va_list ap)
|
|
{
|
|
if (err_file == NULL)
|
|
err_set_file((FILE *)0);
|
|
fprintf(err_file, "%s: ", _getprogname());
|
|
if (fmt != NULL)
|
|
vfprintf(err_file, fmt, ap);
|
|
fprintf(err_file, "\n");
|
|
if (err_exit)
|
|
err_exit(eval);
|
|
exit(eval);
|
|
}
|
|
|
|
void
|
|
/*_*/warn(const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
va_start(ap, fmt);
|
|
vwarnc(errno, fmt, ap);
|
|
va_end(ap);
|
|
}
|
|
|
|
void
|
|
vwarn(const char *fmt, va_list ap)
|
|
{
|
|
vwarnc(errno, fmt, ap);
|
|
}
|
|
|
|
void
|
|
warnc(int code, const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
va_start(ap, fmt);
|
|
vwarnc(code, fmt, ap);
|
|
va_end(ap);
|
|
}
|
|
|
|
void
|
|
vwarnc(int code, const char *fmt, va_list ap)
|
|
{
|
|
if (err_file == NULL)
|
|
err_set_file((FILE *)0);
|
|
fprintf(err_file, "%s: ", _getprogname());
|
|
if (fmt != NULL) {
|
|
vfprintf(err_file, fmt, ap);
|
|
fprintf(err_file, ": ");
|
|
}
|
|
fprintf(err_file, "%s\n", strerror(code));
|
|
}
|
|
|
|
void
|
|
warnx(const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
va_start(ap, fmt);
|
|
vwarnx(fmt, ap);
|
|
va_end(ap);
|
|
}
|
|
|
|
void
|
|
vwarnx(const char *fmt, va_list ap)
|
|
{
|
|
if (err_file == NULL)
|
|
err_set_file((FILE *)0);
|
|
fprintf(err_file, "%s: ", _getprogname());
|
|
if (fmt != NULL)
|
|
vfprintf(err_file, fmt, ap);
|
|
fprintf(err_file, "\n");
|
|
}
|