73 lines
2.1 KiB
C
73 lines
2.1 KiB
C
/*******************************************************************************
|
|
|
|
Copyright(C) Jonas 'Sortie' Termansen 2012, 2013.
|
|
|
|
This file is part of the Sortix C Library.
|
|
|
|
The Sortix C Library is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or (at your
|
|
option) any later version.
|
|
|
|
The Sortix C Library is distributed in the hope that it will be useful, but
|
|
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
|
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
|
|
License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
assert.h
|
|
Verify program assertion.
|
|
|
|
*******************************************************************************/
|
|
|
|
#ifndef INCLUDE_ASSERT_H
|
|
#define INCLUDE_ASSERT_H
|
|
|
|
#include <sys/cdefs.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/* Determine how the value should be cast to void. */
|
|
#if defined __cplusplus
|
|
#define __ASSERT_VOID_CAST(x) static_cast<void>(x)
|
|
#else
|
|
#define __ASSERT_VOID_CAST(x) (void) x
|
|
#endif
|
|
|
|
/* The C11 static_assert macro expands to the _Static_assert keyword. */
|
|
#if defined(__STDC_VERSION__) && 201112L <= __STDC_VERSION__
|
|
#define static_assert _Static_assert
|
|
#endif
|
|
|
|
/* The actual implementation of assert. */
|
|
__attribute__((noreturn))
|
|
void __assert(const char*, unsigned long, const char*, const char*);
|
|
|
|
#ifdef __cplusplus
|
|
} /* extern "C" */
|
|
#endif
|
|
|
|
#endif
|
|
|
|
/* Rid ourselves of any previous declaration of assert. */
|
|
#ifdef assert
|
|
#undef assert
|
|
#endif
|
|
|
|
/* If not debugging, we'll declare a no-operation assert macro. */
|
|
#if defined(NDEBUG)
|
|
#define assert(ignore) (__ASSERT_VOID_CAST(0))
|
|
#endif
|
|
|
|
/* Otherwise, declare the normal assert macro. */
|
|
#if !defined(NDEBUG)
|
|
#define assert(invariant) \
|
|
((invariant) \
|
|
? __ASSERT_VOID_CAST(0) \
|
|
: __assert(__FILE__, __LINE__, __PRETTY_FUNCTION__, #invariant))
|
|
#endif
|