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/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
/*! \file isc/assertions.h
*/
#ifndef ISC_ASSERTIONS_H
#define ISC_ASSERTIONS_H 1
#include <isc/lang.h>
#include <isc/likely.h>
#include <isc/platform.h>
ISC_LANG_BEGINDECLS
/*% isc assertion type */
typedef enum {
isc_assertiontype_require,
isc_assertiontype_ensure,
isc_assertiontype_insist,
isc_assertiontype_invariant
} isc_assertiontype_t;
typedef void (*isc_assertioncallback_t)(const char *, int, isc_assertiontype_t,
const char *);
/* coverity[+kill] */
ISC_PLATFORM_NORETURN_PRE
void isc_assertion_failed(const char *, int, isc_assertiontype_t,
const char *) ISC_PLATFORM_NORETURN_POST;
void
isc_assertion_setcallback(isc_assertioncallback_t);
const char *
isc_assertion_typetotext(isc_assertiontype_t type);
#if defined(ISC_CHECK_ALL) || defined(__COVERITY__)
#define ISC_CHECK_REQUIRE 1
#define ISC_CHECK_ENSURE 1
#define ISC_CHECK_INSIST 1
#define ISC_CHECK_INVARIANT 1
#endif
#if defined(ISC_CHECK_NONE) && !defined(__COVERITY__)
#define ISC_CHECK_REQUIRE 0
#define ISC_CHECK_ENSURE 0
#define ISC_CHECK_INSIST 0
#define ISC_CHECK_INVARIANT 0
#endif
#ifndef ISC_CHECK_REQUIRE
#define ISC_CHECK_REQUIRE 1
#endif
#ifndef ISC_CHECK_ENSURE
#define ISC_CHECK_ENSURE 1
#endif
#ifndef ISC_CHECK_INSIST
#define ISC_CHECK_INSIST 1
#endif
#ifndef ISC_CHECK_INVARIANT
#define ISC_CHECK_INVARIANT 1
#endif
#if ISC_CHECK_REQUIRE != 0
#define ISC_REQUIRE(cond) \
((void) (ISC_LIKELY(cond) || \
((isc_assertion_failed)(__FILE__, __LINE__, \
isc_assertiontype_require, \
#cond), 0)))
#else
#define ISC_REQUIRE(cond) ((void) ISC_LIKELY(cond))
#endif /* ISC_CHECK_REQUIRE */
#if ISC_CHECK_ENSURE != 0
#define ISC_ENSURE(cond) \
((void) (ISC_LIKELY(cond) || \
((isc_assertion_failed)(__FILE__, __LINE__, \
isc_assertiontype_ensure, \
#cond), 0)))
#else
#define ISC_ENSURE(cond) ((void) ISC_LIKELY(cond))
#endif /* ISC_CHECK_ENSURE */
#if ISC_CHECK_INSIST != 0
#define ISC_INSIST(cond) \
((void) (ISC_LIKELY(cond) || \
((isc_assertion_failed)(__FILE__, __LINE__, \
isc_assertiontype_insist, \
#cond), 0)))
#else
#define ISC_INSIST(cond) ((void) ISC_LIKELY(cond))
#endif /* ISC_CHECK_INSIST */
#if ISC_CHECK_INVARIANT != 0
#define ISC_INVARIANT(cond) \
((void) (ISC_LIKELY(cond) || \
((isc_assertion_failed)(__FILE__, __LINE__, \
isc_assertiontype_invariant, \
#cond), 0)))
#else
#define ISC_INVARIANT(cond) ((void) ISC_LIKELY(cond))
#endif /* ISC_CHECK_INVARIANT */
ISC_LANG_ENDDECLS
#endif /* ISC_ASSERTIONS_H */
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