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- /* Copyright (C) 1991, 1992, 1994 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 Library General Public License as
- published by the Free Software Foundation; either version 2 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If
- not, write to the, 1992 Free Software Foundation, Inc., 675 Mass Ave,
- Cambridge, MA 02139, USA. */
-
- /*
- * ANSI Standard: 4.2 DIAGNOSTICS <assert.h>
- */
-
- #ifdef _ASSERT_H
-
- #undef _ASSERT_H
- #undef assert
-
- #endif /* assert.h */
-
- #define _ASSERT_H 1
- #include <features.h>
-
- /* 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) ((void) 0)
-
- /* void assert_perror (int errnum);
-
- If NDEBUG is defined, do nothing. If not, and ERRNUM is not zero, print an
- error message with the error text for ERRNUM and abort.
- (This is a GNU extension.) */
-
- #ifdef __USE_GNU
- #define assert_perror(errnum) ((void) 0)
- #endif
-
- #else /* Not NDEBUG. */
-
- #include <sys/cdefs.h>
-
- __BEGIN_DECLS
-
- /* This prints an "Assertion failed" message and aborts. */
- extern __NORETURN int __assert_fail __P ((__const char *__assertion,
- __const char *__file,
- unsigned int __line,
- __const char *__function));
-
- /* Likewise, but prints the error text for ERRNUM. */
- extern __NORETURN int __assert_perror_fail __P ((int __errnum,
- __const char *__file,
- unsigned int __line,
- __const char *__function));
-
- __END_DECLS
-
- #define assert(expr) \
- ((void) ((expr) || __assert_fail (__STRING(expr), \
- __FILE__, __LINE__, __ASSERT_FUNCTION)))
-
- #ifdef __USE_GNU
- #define assert_perror(errnum) \
- ((void) ((errnum) && __assert_perror_fail ((errnum), \
- __FILE__, __LINE__, \
- __ASSERT_FUNCTION)))
- #endif
-
- /* 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. */
- #if (!defined (__GNUC__) || __GNUC__ < 2 || \
- __GNUC_MINOR__ < (defined (__cplusplus) ? 6 : 4))
- #define __ASSERT_FUNCTION ((__const char *) 0)
- #else
- #define __ASSERT_FUNCTION __PRETTY_FUNCTION__
- #endif
-
-
- #endif /* NDEBUG. */
-
-