assertions.c revision 40f53fa8d9c6a4fc38c0014495e7a42b08f52481
/*
* Copyright (C) 1997-2000 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 INTERNET SOFTWARE CONSORTIUM
* DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
* INTERNET SOFTWARE CONSORTIUM 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.
*/
/* $Id: assertions.c,v 1.12 2000/08/01 01:29:13 tale Exp $ */
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <isc/assertions.h>
/*
* Forward.
*/
static void
default_callback(const char *, int, isc_assertiontype_t, const char *);
/*
* Public.
*/
isc_assertioncallback_t isc_assertion_failed = default_callback;
void
isc_assertion_setcallback(isc_assertioncallback_t cb) {
if (cb == NULL)
isc_assertion_failed = default_callback;
else
isc_assertion_failed = cb;
}
const char *
isc_assertion_typetotext(isc_assertiontype_t type) {
const char *result;
switch (type) {
case isc_assertiontype_require:
result = "REQUIRE";
break;
case isc_assertiontype_ensure:
result = "ENSURE";
break;
case isc_assertiontype_insist:
result = "INSIST";
break;
case isc_assertiontype_invariant:
result = "INVARIANT";
break;
default:
result = NULL;
}
return (result);
}
/*
* Private.
*/
static void
default_callback(const char *file, int line, isc_assertiontype_t type,
const char *cond)
{
fprintf(stderr, "%s:%d: %s(%s) failed.\n",
file, line, isc_assertion_typetotext(type), cond);
fflush(stderr);
abort();
/* NOTREACHED */
}