newlib/libc/include/assert.h

   1 /*
   2         assert.h
   3 */
   4
   5 #ifdef __cplusplus
   6 extern "C" {
   7 #endif
   8
   9 #include "_ansi.h"
  10
  11 #undef assert
  12
  13 #ifdef NDEBUG           /* required by ANSI standard */
  14 # define assert(__e) ((void)0)
  15 #else
  16 # define assert(__e) ((__e) ? (void)0 : __assert_func (__FILE__, __LINE__, \
  17                                                        __ASSERT_FUNC, #__e))
  18
  19 # ifndef __ASSERT_FUNC
  20   /* Use g++'s demangled names in C++.  */
  21 #  if defined __cplusplus && defined __GNUC__
  22 #   define __ASSERT_FUNC __PRETTY_FUNCTION__
  23
  24   /* C99 requires the use of __func__.  */
  25 #  elif __STDC_VERSION__ >= 199901L
  26 #   define __ASSERT_FUNC __func__
  27
  28   /* Older versions of gcc don't have __func__ but can use __FUNCTION__.  */
  29 #  elif __GNUC__ >= 2
  30 #   define __ASSERT_FUNC __FUNCTION__
  31
  32   /* failed to detect __func__ support.  */
  33 #  else
  34 #   define __ASSERT_FUNC ((char *) 0)
  35 #  endif
  36 # endif /* !__ASSERT_FUNC */
  37 #endif /* !NDEBUG */
  38
  39 void __assert (const char *, int, const char *)
  40             _ATTRIBUTE ((__noreturn__));
  41 void __assert_func (const char *, int, const char *, const char *)
  42             _ATTRIBUTE ((__noreturn__));
  43
  44 #if __STDC_VERSION__ >= 201112L && !defined __cplusplus
  45 # define static_assert _Static_assert
  46 #endif
  47
  48 #ifdef __cplusplus
  49 }
  50 #endif