utils.h

   1 /***************************************************************************
   2                           utils.h  -  some utility funtions
   3                              -------------------
   4     begin                : lun ott 24 2005
   5     copyright            : (C) 2005-2007 by Maurizio Monge
   6     email                : monge@linuz.sns.it
   7  ***************************************************************************/
   8
   9 /***************************************************************************
  10  *                                                                         *
  11  *   This program is free software; you can redistribute it and/or modify  *
  12  *   it under the terms of the GNU General Public License as published by  *
  13  *   the Free Software Foundation; either version 2 of the License, or     *
  14  *   (at your option) any later version.                                   *
  15  *                                                                         *
  16  ***************************************************************************/
  17
  18 #ifndef __UTILS_H__
  19 #define __UTILS_H__
  20
  21 #include <stdio.h>
  22 #include <inttypes.h>
  23 #include <errno.h>
  24 #include "platform.h"
  25 #include "compiler.h"
  26 #include "array.h"
  27
  28 #define SWITCH(a, b) ({ typeof(a) tmp = b; b = a; a = tmp; })
  29 #define MAX(a,b) ({ typeof(a) _a=(a); typeof(b) _b=(b); _a > _b ? _a : _b; })
  30 #define MIN(a,b) ({ typeof(a) _a=(a); typeof(b) _b=(b); _a < _b ? _a : _b; })
  31 #define ABS(a) ({ typeof(a) _a=(a); _a > 0 ? _a : -_a; })
  32
  33 #ifdef __x86_64__
  34 #define U64F "%lu"
  35 #else
  36 #define U64F "%llu"
  37 #endif
  38
  39 #endif //__UTILS_H__