NetBSD/lib/libc/isc/assertions.c

99 lines
2.4 KiB
C

/* $NetBSD: assertions.c,v 1.2 2004/05/20 19:52:31 christos Exp $ */
/*
* Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
* Copyright (c) 1997,1999 by Internet Software Consortium.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/cdefs.h>
#if !defined(LINT) && !defined(CODECENTER) && !defined(lint)
#ifdef notdef
static const char rcsid[] = "Id: assertions.c,v 1.1.206.1 2004/03/09 08:33:39 marka Exp";
#else
__RCSID("$NetBSD: assertions.c,v 1.2 2004/05/20 19:52:31 christos Exp $");
#endif
#endif
#include "port_before.h"
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <isc/assertions.h>
#include "port_after.h"
/*
* Forward.
*/
static void default_assertion_failed(const char *, int, assertion_type,
const char *, int);
/*
* Public.
*/
assertion_failure_callback __assertion_failed = default_assertion_failed;
void
set_assertion_failure_callback(assertion_failure_callback f) {
if (f == NULL)
__assertion_failed = default_assertion_failed;
else
__assertion_failed = f;
}
const char *
assertion_type_to_text(assertion_type type) {
const char *result;
switch (type) {
case assert_require:
result = "REQUIRE";
break;
case assert_ensure:
result = "ENSURE";
break;
case assert_insist:
result = "INSIST";
break;
case assert_invariant:
result = "INVARIANT";
break;
default:
result = NULL;
}
return (result);
}
/*
* Private.
*/
static void
default_assertion_failed(const char *file, int line, assertion_type type,
const char *cond, int print_errno)
{
fprintf(stderr, "%s:%d: %s(%s)%s%s failed.\n",
file, line, assertion_type_to_text(type), cond,
(print_errno) ? ": " : "",
(print_errno) ? strerror(errno) : "");
abort();
/* NOTREACHED */
}