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/*-
* Copyright (c) 2006 Verdens Gang AS
* Copyright (c) 2006-2016 Varnish Software AS
* All rights reserved.
*
* Author: Poul-Henning Kamp <phk@phk.freebsd.dk>
*
* SPDX-License-Identifier: BSD-2-Clause
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* This is the default backend function for libvarnish' assert facilities.
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "vdef.h"
#include "vas.h"
const char *
VAS_errtxt(int e)
{
const char *p;
int oerrno = errno;
p = strerror(e);
if (p != NULL)
return (p);
errno = oerrno;
return ("strerror(3) returned NULL");
}
vas_f *VAS_Fail_Func v_noreturn_;
void v_noreturn_
VAS_Fail(const char *func, const char *file, int line,
const char *cond, enum vas_e kind)
{
int err = errno;
if (VAS_Fail_Func != NULL) {
VAS_Fail_Func(func, file, line, cond, kind);
} else {
if (kind == VAS_MISSING) {
fprintf(stderr,
"Missing error handling code in %s(), %s line %d:\n"
" Condition(%s) not true.\n",
func, file, line, cond);
} else if (kind == VAS_INCOMPLETE) {
fprintf(stderr,
"Incomplete code in %s(), %s line %d:\n",
func, file, line);
} else if (kind == VAS_WRONG) {
fprintf(stderr,
"Wrong turn in %s(), %s line %d: %s\n",
func, file, line, cond);
} else {
fprintf(stderr,
"Assert error in %s(), %s line %d:\n"
" Condition(%s) not true.\n",
func, file, line, cond);
}
if (err)
fprintf(stderr,
" errno = %d (%s)\n", err, strerror(err));
}
abort();
}
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