diff options
| -rw-r--r-- | assert/assert.h | 29 |
1 files changed, 18 insertions, 11 deletions
diff --git a/assert/assert.h b/assert/assert.h index 15c5d05..5e697bc 100644 --- a/assert/assert.h +++ b/assert/assert.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1991,92,94,95,96,97,98,99,2000 Free Software Foundation, Inc. +/* Copyright (C) 1991,1992,1994-1999,2000,2001 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 @@ -24,6 +24,7 @@ # undef _ASSERT_H # undef assert +# undef __ASSERT_VOID_CAST # ifdef __USE_GNU # undef assert_perror @@ -34,6 +35,12 @@ #define _ASSERT_H 1 #include <features.h> +#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. @@ -41,7 +48,7 @@ #ifdef NDEBUG -# define assert(expr) ((void) 0) +# define assert(expr) (__ASSERT_VOID_CAST (0)) /* void assert_perror (int errnum); @@ -50,7 +57,7 @@ (This is a GNU extension.) */ # ifdef __USE_GNU -# define assert_perror(errnum) ((void) 0) +# define assert_perror(errnum) (__ASSERT_VOID_CAST (0)) # endif #else /* Not NDEBUG. */ @@ -77,16 +84,16 @@ extern void __assert (const char *__assertion, const char *__file, int __line) __END_DECLS -# define assert(expr) \ - ((void) ((expr) ? 0 : \ - (__assert_fail (__STRING(expr), \ - __FILE__, __LINE__, __ASSERT_FUNCTION), 0))) +# define assert(expr) \ + (__ASSERT_VOID_CAST ((expr) ? 0 : \ + (__assert_fail (__STRING(expr), __FILE__, __LINE__, \ + __ASSERT_FUNCTION), 0))) # ifdef __USE_GNU -# define assert_perror(errnum) \ - ((void) (!(errnum) ? 0 : (__assert_perror_fail ((errnum), \ - __FILE__, __LINE__, \ - __ASSERT_FUNCTION), 0))) +# define assert_perror(errnum) \ + (__ASSERT_VOID_CAST (!(errnum) ? 0 : \ + (__assert_perror_fail ((errnum), __FILE__, __LINE__, \ + __ASSERT_FUNCTION), 0))) # endif /* Version 2.4 and later of GCC define a magical variable `__PRETTY_FUNCTION__' |