strace/tests/error_msg.c
Dmitry V. Levin 3d54c92691 tests: add error_msg_and_fail function to libtests
* tests/tests.h (error_msg_and_fail): New prototype.
* tests/error_msg.c (error_msg_and_fail): New function.
2016-01-21 23:46:43 +00:00

86 lines
2.3 KiB
C

/*
* Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
* 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 "tests.h"
#include <errno.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
void
perror_msg_and_fail(const char *fmt, ...)
{
int err_no = errno;
va_list p;
va_start(p, fmt);
vfprintf(stderr, fmt, p);
if (err_no)
fprintf(stderr, ": %s\n", strerror(err_no));
else
putc('\n', stderr);
exit(1);
}
void
error_msg_and_fail(const char *fmt, ...)
{
va_list p;
va_start(p, fmt);
vfprintf(stderr, fmt, p);
putc('\n', stderr);
exit(1);
}
void
error_msg_and_skip(const char *fmt, ...)
{
va_list p;
va_start(p, fmt);
vfprintf(stderr, fmt, p);
putc('\n', stderr);
exit(77);
}
void
perror_msg_and_skip(const char *fmt, ...)
{
int err_no = errno;
va_list p;
va_start(p, fmt);
vfprintf(stderr, fmt, p);
if (err_no)
fprintf(stderr, ": %s\n", strerror(err_no));
else
putc('\n', stderr);
exit(77);
}