| /* 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, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| /* |
| * 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__)); |
| |
| __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. */ |