libc/include/sys/param.h

   1 /*
   2  *  ZeX/OS
   3  *  Copyright (C) 2009  Tomas 'ZeXx86' Jedrzejek (zexx86@zexos.org)
   4  *
   5  *  This program is free software: you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation, either version 3 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19
  20 #ifndef _PARAM_H
  21 #define _PARAM_H
  22
  23 /* Bit map related macros. */
  24 #define setbit(a,i)     ((a)[(i)/NBBY] |= 1<<((i)%NBBY))
  25 #define clrbit(a,i)     ((a)[(i)/NBBY] &= ~(1<<((i)%NBBY)))
  26 #define isset(a,i)      ((a)[(i)/NBBY] & (1<<((i)%NBBY)))
  27 #define isclr(a,i)      (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0)
  28
  29 /* Macros for min/max. */
  30 #define MIN(a,b)        (((a)<(b))?(a):(b))
  31 #define MAX(a,b)        (((a)>(b))?(a):(b))
  32
  33 #endif