mdw@git.distorted.org.uk Git - ssr/blob - StraySrc/Glass/!Glass/h/glass

   1 /*
   2  * glass.h
   3  *
   4  * Central information header file
   5  *
   6  * © 1994-1998 Straylight
   7  */
   8
   9 /*----- Licensing note ----------------------------------------------------*
  10  *
  11  * This file is part of Straylight's Glass.
  12  *
  13  * Glass is free software; you can redistribute it and/or modify
  14  * it under the terms of the GNU General Public License as published by
  15  * the Free Software Foundation; either version 2, or (at your option)
  16  * any later version.
  17  *
  18  * Glass is distributed in the hope that it will be useful,
  19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  * GNU General Public License for more details.
  22  *
  23  * You should have received a copy of the GNU General Public License
  24  * along with Glass.  If not, write to the Free Software Foundation,
  25  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  26  */
  27
  28 #ifndef __glass_h
  29 #define __glass_h
  30
  31 /*----- Standard macros ---------------------------------------------------*/
  32
  33 #define unused(x) ((x)=(x))      /* Prevents compiler complaints about     */
  34                                  /* unused variables                       */
  35
  36 #ifndef BOOL
  37 #define BOOL int                 /* Standard type definition, fits in with */
  38 #define TRUE 1                   /* the RISC_OSlib definition              */
  39 #define FALSE 0
  40 #endif
  41
  42 /*----- Bitwise operators -------------------------------------------------*/
  43
  44 #define bit(b) (1<<(b))          /* Returns the appropriate bit set        */
  45 #define tst(x,b) (((x)>>(b))&1)  /* Test bit and return TRUE or FALSE      */
  46 #define set(x,b) (x)|=bit(b);    /* Set appropriate bit                    */
  47 #define reset(x,b) (x)&=~bit(b); /* Reset appropriate bit                  */
  48
  49 #endif