1 /* Copyright (C) 1991,1992,1994-1999,2000,2001 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
20 * ISO C99 Standard: 7.2 Diagnostics <assert.h>
27 /* If NDEBUG is defined, do nothing.
28 If not, and EXPRESSION is zero, print an error message and abort. */
32 #define assert(expr) ((void) 0)
34 #else /* Not NDEBUG. */
37 extern void __assert __P((const char *, const char *, int, const char *));
40 #define assert(expr) \
42 (__assert (__STRING(expr), \
43 __FILE__, __LINE__, __ASSERT_FUNCTION), 0)))
46 /* Version 2.4 and later of GCC define a magical variable `__PRETTY_FUNCTION__'
47 which contains the name of the function currently being defined.
48 # define __ASSERT_FUNCTION __PRETTY_FUNCTION__
49 This is broken in G++ before version 2.6.
50 C9x has a similar variable called __func__, but prefer the GCC one since
51 it demangles C++ function names. */
53 # if __GNUC__ > 2 || (__GNUC__ == 2 \
54 && __GNUC_MINOR__ >= (defined __cplusplus ? 6 : 4))
55 # define __ASSERT_FUNCTION __PRETTY_FUNCTION__
57 # define __ASSERT_FUNCTION ((__const char *) 0)
60 # if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L
61 # define __ASSERT_FUNCTION __func__
63 # define __ASSERT_FUNCTION ((__const char *) 0)
70 #endif /* __ASSERT_H */