seL4/include/assert.h
Adrian Danis ae0937a053 Add unverified_compile_assert
This version of compile_assert is not expanded during verification builds and
can be used in cases where you would like an assertion that contains syntax
that is not supported by the C parser
2017-05-04 11:13:31 +10:00

58 lines
1.3 KiB
C

/*
* Copyright 2014, General Dynamics C4 Systems
*
* This software may be distributed and modified according to the terms of
* the GNU General Public License version 2. Note that NO WARRANTY is provided.
* See "LICENSE_GPLv2.txt" for details.
*
* @TAG(GD_GPL)
*/
#ifndef __ASSERT_H
#define __ASSERT_H
#include <config.h>
#include <util.h>
#ifdef CONFIG_DEBUG_BUILD
void _fail(
const char* str,
const char* file,
unsigned int line,
const char* function
) NORETURN;
#define fail(s) _fail(s, __FILE__, __LINE__, __func__)
void _assert_fail(
const char* assertion,
const char* file,
unsigned int line,
const char* function
) NORETURN;
#define assert(expr) \
if(!(expr)) _assert_fail(#expr, __FILE__, __LINE__, __FUNCTION__)
#else /* !DEBUG */
#define fail(s) halt()
#define assert(expr)
#endif /* DEBUG */
/* Create an assert that will trigger a compile error if it fails. */
#define compile_assert(name, expr) \
typedef int __assert_failed_##name[(expr) ? 1 : -1];
/* Sometimes compile asserts contain expressions that the C parser cannot
* handle. For such expressions unverified_compile_assert should be used. */
#ifdef CONFIG_VERIFICATION_BUILD
#define unverified_compile_assert(name, expr)
#else
#define unverified_compile_assert compile_assert
#endif
#endif