| /* | |
| * This file is part of the DOSMid project. | |
| * http://dosmid.sourceforge.net | |
| * | |
| * Copyright (C) 2018 Mateusz Viste | |
| * | |
| * Provides definitions for bit field operations. | |
| */ | |
| #ifndef bitfield_h | |
| #define bitfield_h | |
| /* set bit 'b' in bit array 'map' */ | |
| #define BIT_SET(map, b) ((unsigned char *)map)[(b) >> 3] |= (1 << ((b) & 7)) | |
| /* get bit 'b' from bit array 'map' (0 if not set, non-zero otherwise) */ | |
| #define BIT_GET(map, b) (((unsigned char *)map)[(b) >> 3] & (1 << ((b) & 7))) | |
| #endif |