/* Copyright (C) 1991,1992,1994-1999,2000,2001 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> */ #ifndef __ASSERT_H #define __ASSERT_H #include <features.h> /* If NDEBUG is defined, do nothing. If not, and EXPRESSION is zero, print an error message and abort. */ #ifdef NDEBUG #define assert(expr) ((void) 0) #else /* Not NDEBUG. */ __BEGIN_DECLS extern void __assert __P((const char *, const char *, int, const char *)); __END_DECLS #define assert(expr) \ ((void) ((expr) || \ (__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. # define __ASSERT_FUNCTION __PRETTY_FUNCTION__ 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. */ # ifdef __GNUC__ # if __GNUC__ > 2 || (__GNUC__ == 2 \ && __GNUC_MINOR__ >= (defined __cplusplus ? 6 : 4)) # define __ASSERT_FUNCTION __PRETTY_FUNCTION__ # else # define __ASSERT_FUNCTION ((__const char *) 0) # endif # else # if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L # define __ASSERT_FUNCTION __func__ # else # define __ASSERT_FUNCTION ((__const char *) 0) # endif # endif #endif /* NDEBUG. */ #endif /* __ASSERT_H */