99 lines
2.8 KiB
C
99 lines
2.8 KiB
C
/* Copyright (C) 1991, 1992, 1994, 1995 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 void __assert_fail __P ((__const char *__assertion,
|
|
__const char *__file,
|
|
unsigned int __line,
|
|
__const char *__function))
|
|
__attribute__ ((__noreturn__));
|
|
|
|
/* Likewise, but prints the error text for ERRNUM. */
|
|
extern void __assert_perror_fail __P ((int __errnum,
|
|
__const char *__file,
|
|
unsigned int __line,
|
|
__const char *__function))
|
|
__attribute__ ((__noreturn__));
|
|
|
|
__END_DECLS
|
|
|
|
#define assert(expr) \
|
|
((void) ((expr) || \
|
|
(__assert_fail (__STRING(expr), \
|
|
__FILE__, __LINE__, __ASSERT_FUNCTION), 0)))
|
|
|
|
#ifdef __USE_GNU
|
|
#define assert_perror(errnum) \
|
|
((void) ((errnum) && (__assert_perror_fail ((errnum), \
|
|
__FILE__, __LINE__, \
|
|
__ASSERT_FUNCTION), 0)))
|
|
#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. */
|
|
|