gcc/assert.h

   1 /* Allow this file to be included multiple times
   2    with different settings of NDEBUG.  */
   3 #undef assert
   4 #undef __assert
   5
   6 #ifdef NDEBUG
   7 #define assert(ignore) ((void) 0)
   8 #else
   9
  10 #ifndef __GNUC__
  11
  12 #define assert(expression)  \
  13   ((void) ((expression) ? 0 : __assert (expression, __FILE__, __LINE__)))
  14
  15 #define __assert(expression, file, lineno)  \
  16   (printf ("%s:%u: failed assertion\n", file, lineno),  \
  17    abort (), 0)
  18
  19 #else
  20
  21 #ifdef __STDC__
  22
  23 /* Defined in libgcc.a */
  24 extern void __eprintf (const char *, const char *, int, const char *);
  25
  26 #define assert(expression)  \
  27   ((void) ((expression) ? 0 : __assert (#expression, __FILE__, __LINE__)))
  28
  29 #define __assert(expression, file, line)  \
  30   (__eprintf ("%s:%u: failed assertion `%s'\n",         \
  31               file, line, expression), 0)
  32
  33 #else /* no __STDC__; i.e. -traditional.  */
  34
  35 extern void __eprintf (); /* Defined in libgcc.a */
  36
  37 #define assert(expression)  \
  38   ((void) ((expression) ? 0 : __assert (expression, __FILE__, __LINE__)))
  39
  40 #define __assert(expression, file, lineno)  \
  41   (__eprintf ("%s:%u: failed assertion `%s'\n",         \
  42               file, lineno, "expression"), 0)
  43
  44 #endif /* no __STDC__; i.e. -traditional.  */
  45 #endif /* no __GNU__; i.e., /bin/cc.  */
  46 #endif