/*-
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 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.
* From: @(#)err.c 8.1 (Berkeley) 6/4/93
*/
#if defined(LIBC_RCS) && !defined(lint)
static const char rcsid[] =
"$Id: err.c,v 1.4 1998/09/12 21:02:22 wollman Exp $";
#endif /* LIBC_RCS and not lint */
#include <err.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
extern char *__progname; /* Program name, from crt0. */
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(eval, fmt, ap)
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(eval, code, fmt, ap)
int eval;
int code;
const char *fmt;
va_list ap;
{
if (err_file == 0)
err_set_file((FILE *)0);
fprintf(err_file, "%s: ", __progname);
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(eval, fmt, ap)
int eval;
const char *fmt;
va_list ap;
{
if (err_file == 0)
err_set_file((FILE *)0);
fprintf(err_file, "%s: ", __progname);
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(fmt, ap)
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(code, fmt, ap)
int code;
const char *fmt;
va_list ap;
{
if (err_file == 0)
err_set_file((FILE *)0);
fprintf(err_file, "%s: ", __progname);
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(fmt, ap)
const char *fmt;
va_list ap;
{
if (err_file == 0)
err_set_file((FILE *)0);
fprintf(err_file, "%s: ", __progname);
if (fmt != NULL)
vfprintf(err_file, fmt, ap);
fprintf(err_file, "\n");
}
