pd.if.org Git - pdclib.old/blob - includes/assert.h

   1 /* $Id$ */
   2
   3 /* 7.2 Diagnostics <assert.h>
   4
   5    This file is part of the Public Domain C Library (PDCLib).
   6    Permission is granted to use, modify, and / or redistribute at will.
   7 */
   8
   9 #ifndef _PDCLIB_ASSERT_H
  10 #define _PDCLIB_ASSERT_H _PDCLIB_ASSERT_H
  11 #include <_PDCLIB_aux.h>
  12 #include <_PDCLIB_config.h>
  13 _PDCLIB_BEGIN_EXTERN_C
  14
  15 /* Functions _NOT_ tagged noreturn as this hampers debugging */
  16 void _PDCLIB_assert99( char const * const, char const * const, char const * const );
  17 void _PDCLIB_assert89( char const * const );
  18
  19 /* If NDEBUG is set, assert() is a null operation. */
  20 #undef assert
  21
  22 #ifdef NDEBUG
  23 #define assert( ignore ) ( (void) 0 )
  24 #elif _PDCLIB_C_MIN(99)
  25 #define assert(expression) \
  26     do { if(!(expression)) { \
  27         _PDCLIB_assert99("Assertion failed: " _PDCLIB_symbol2string(expression)\
  28                          ", function ", __func__, \
  29                          ", file " __FILE__ \
  30                          ", line " _PDCLIB_symbol2string( __LINE__ ) \
  31                          "." _PDCLIB_endl ); \
  32       } \
  33     } while(0)
  34 #else
  35 #define assert(expression) \
  36     do { if(!(expression)) { \
  37         _PDCLIB_assert89("Assertion failed: " _PDCLIB_symbol2string(expression)\
  38                          ", file " __FILE__ \
  39                          ", line " _PDCLIB_symbol2string( __LINE__ ) \
  40                          "." _PDCLIB_endl ); \
  41       } \
  42     } while(0)
  43 #endif
  44
  45 _PDCLIB_END_EXTERN_C
  46 #endif
  47