diff options
Diffstat (limited to 'include/assert.h')
| -rw-r--r-- | include/assert.h | 48 |
1 files changed, 28 insertions, 20 deletions
diff --git a/include/assert.h b/include/assert.h index 32a6be9e9..7eaba0070 100644 --- a/include/assert.h +++ b/include/assert.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1991,1992,1994-1999,2000,2001 Free Software Foundation, Inc. +/* Copyright (C) 1991,1992,1994-2001,2003,2004 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 @@ -20,42 +20,53 @@ * ISO C99 Standard: 7.2 Diagnostics <assert.h> */ -#ifndef __ASSERT_H -#define __ASSERT_H +#ifdef _ASSERT_H + +# undef _ASSERT_H +# undef assert +# undef __ASSERT_VOID_CAST + +#endif /* assert.h */ + +#define _ASSERT_H 1 #include <features.h> -/* If NDEBUG is defined, do nothing. +#if defined __cplusplus && __GNUC_PREREQ (2,95) +# define __ASSERT_VOID_CAST static_cast<void> +#else +# define __ASSERT_VOID_CAST (void) +#endif + +/* 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) +# define assert(expr) (__ASSERT_VOID_CAST (0)) #else /* Not NDEBUG. */ __BEGIN_DECLS + +/* This prints an "Assertion failed" message and aborts. */ 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))) +__END_DECLS +# define assert(expr) \ + (__ASSERT_VOID_CAST ((expr) ? 0 : \ + (__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)) +# if defined __cplusplus ? __GNUC_PREREQ (2, 6) : __GNUC_PREREQ (2, 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__ @@ -64,7 +75,4 @@ __END_DECLS # endif # endif - #endif /* NDEBUG. */ - -#endif /* __ASSERT_H */ |