1 /* Copyright (C) 1991,1992,1994-2001,2003,2004 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 # undef __ASSERT_VOID_CAST
34 #if defined __cplusplus && __GNUC_PREREQ (2,95)
35 # define __ASSERT_VOID_CAST static_cast<void>
37 # define __ASSERT_VOID_CAST (void)
40 /* void assert (int expression);
42 If NDEBUG is defined, do nothing.
43 If not, and EXPRESSION is zero, print an error message and abort. */
47 # define assert(expr) (__ASSERT_VOID_CAST (0))
49 #else /* Not NDEBUG. */
53 /* This prints an "Assertion failed" message and aborts. */
54 extern void __assert(const char *, const char *, unsigned int, const char *)
55 __THROW __attribute__ ((__noreturn__));
56 libc_hidden_proto(__assert)
60 # define assert(expr) \
61 (__ASSERT_VOID_CAST ((expr) ? 0 : \
62 (__assert (__STRING(expr), __FILE__, __LINE__, __ASSERT_FUNCTION), 0)))
64 /* Version 2.4 and later of GCC define a magical variable `__PRETTY_FUNCTION__'
65 which contains the name of the function currently being defined.
66 This is broken in G++ before version 2.6.
67 C9x has a similar variable called __func__, but prefer the GCC one since
68 it demangles C++ function names. */
69 # if defined __cplusplus ? __GNUC_PREREQ (2, 6) : __GNUC_PREREQ (2, 4)
70 # define __ASSERT_FUNCTION __PRETTY_FUNCTION__
72 # if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L
73 # define __ASSERT_FUNCTION __func__
75 # define __ASSERT_FUNCTION ((__const char *) 0)