/*
 * glass.h
 *
 * Central information header file
 *
 * © 1994-1998 Straylight
 */

/*----- Licensing note ----------------------------------------------------*
 *
 * This file is part of Straylight's Glass.
 *
 * Glass is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * Glass is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Glass.  If not, write to the Free Software Foundation,
 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#ifndef __glass_h
#define __glass_h

/*----- Standard macros ---------------------------------------------------*/

#define unused(x) ((x)=(x))      /* Prevents compiler complaints about     */
                                 /* unused variables                       */

#ifndef BOOL
#define BOOL int                 /* Standard type definition, fits in with */
#define TRUE 1                   /* the RISC_OSlib definition              */
#define FALSE 0
#endif

/*----- Bitwise operators -------------------------------------------------*/

#define bit(b) (1<<(b))          /* Returns the appropriate bit set        */
#define tst(x,b) (((x)>>(b))&1)  /* Test bit and return TRUE or FALSE      */
#define set(x,b) (x)|=bit(b);    /* Set appropriate bit                    */
#define reset(x,b) (x)&=~bit(b); /* Reset appropriate bit                  */

#endif