debug.h revision cac15c3f170b5ec2cc6304c8c0763a78103e1778 
1#include <features.h>
2
3void debug_(int level, char *file, int line, char *func, char *fmt, ...);
4
5# define debug(level, expr...) debug_(level, __FILE__, __LINE__, DEBUG_FUNCTION, expr)
6
7/* Version 2.4 and later of GCC define a magical variable `__PRETTY_FUNCTION__'
8   which contains the name of the function currently being defined.
9   This is broken in G++ before version 2.6.
10   C9x has a similar variable called __func__, but prefer the GCC one since
11   it demangles C++ function names.  */
12# if __GNUC_PREREQ (2, 4)
13#   define DEBUG_FUNCTION	__PRETTY_FUNCTION__
14# else
15#  if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L
16#   define DEBUG_FUNCTION	__func__
17#  else
18#   define DEBUG_FUNCTION	((__const char *) 0)
19#  endif
20# endif
21