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- /* Copyright (C) 1991,1992,1994-2001,2003,2004 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- The GNU 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 2.1 of the License, or (at your option) any later version.
- The GNU 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 GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
- /*
- * ISO C99 Standard: 7.2 Diagnostics <assert.h>
- */
- #ifdef _ASSERT_H
- # undef _ASSERT_H
- # undef assert
- # undef __ASSERT_VOID_CAST
- #endif /* assert.h */
- #define _ASSERT_H 1
- #include <features.h>
- #if defined __cplusplus && __GNUC_PREREQ (2,95)
- # define __ASSERT_VOID_CAST static_cast<void>
- #else
- # define __ASSERT_VOID_CAST (void)
- #endif
- /* void assert (int expression);
- If NDEBUG is defined, do nothing.
- If not, and EXPRESSION is zero, print an error message and abort. */
- #ifdef NDEBUG
- # define assert(expr) (__ASSERT_VOID_CAST (0))
- #else /* Not NDEBUG. */
- __BEGIN_DECLS
- /* This prints an "Assertion failed" message and aborts. */
- extern void __assert(const char *, const char *, unsigned int, const char *)
- __THROW __attribute__ ((__noreturn__));
- libc_hidden_proto(__assert)
- __END_DECLS
- # define assert(expr) \
- (__ASSERT_VOID_CAST ((expr) ? 0 : \
- (__assert (__STRING(expr), __FILE__, __LINE__, __ASSERT_FUNCTION), 0)))
- /* Version 2.4 and later of GCC define a magical variable `__PRETTY_FUNCTION__'
- which contains the name of the function currently being defined.
- This is broken in G++ before version 2.6.
- C9x has a similar variable called __func__, but prefer the GCC one since
- it demangles C++ function names. */
- # if defined __cplusplus ? __GNUC_PREREQ (2, 6) : __GNUC_PREREQ (2, 4)
- # define __ASSERT_FUNCTION __PRETTY_FUNCTION__
- # else
- # if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L
- # define __ASSERT_FUNCTION __func__
- # else
- # define __ASSERT_FUNCTION ((const char *) 0)
- # endif
- # endif
- #endif /* NDEBUG. */
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