/** @file | |
Implement the warning and error output messages. | |
Copyright (c) 2011, Intel Corporation | |
All rights reserved. This program and the accompanying materials | |
are licensed and made available under the terms and conditions of the BSD License | |
which accompanies this distribution. The full text of the license may be found at | |
http://opensource.org/licenses/bsd-license.php | |
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
* Copyright (c) 1994 Michael L. Hitch | |
* 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 Michael L. Hitch. | |
* 4. 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 <LibConfig.h> | |
#include <stdarg.h> | |
#include <stdio.h> | |
#include <errno.h> | |
#include <string.h> | |
#include <stdlib.h> | |
static void | |
_Vdomessage(int doerrno, const char *fmt, va_list args) | |
{ | |
fprintf(stderr, "%s: ", getprogname()); | |
if (fmt) { | |
vfprintf(stderr, fmt, args); | |
fprintf(stderr, ": "); | |
} | |
if (doerrno && errno < EMAXERRORVAL) { | |
fprintf(stderr, "%s", strerror(errno)); | |
} | |
fprintf(stderr, "\n"); | |
} | |
void | |
err(int eval, const char *fmt, ...) | |
{ | |
va_list ap; | |
va_start(ap, fmt); | |
_Vdomessage(1, fmt, ap); | |
va_end(ap); | |
exit(eval); | |
} | |
void | |
errx(int eval, const char *fmt, ...) | |
{ | |
va_list ap; | |
va_start(ap, fmt); | |
_Vdomessage(0, fmt, ap); | |
va_end(ap); | |
exit(eval); | |
} | |
void | |
warn(const char *fmt, ...) | |
{ | |
va_list ap; | |
va_start(ap, fmt); | |
_Vdomessage(1, fmt, ap); | |
va_end(ap); | |
} | |
void | |
warnx(const char *fmt, ...) | |
{ | |
va_list ap; | |
va_start(ap, fmt); | |
_Vdomessage(0, fmt, ap); | |
va_end(ap); | |
} |