1 /* 2 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc. 3 * All rights reserved. 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 2 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 along 16 * with this program; if not, write to the Free Software Foundation, Inc., 17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * File: tmacro.h 20 * 21 * Purpose: define basic common types and macros 22 * 23 * Author: Tevin Chen 24 * 25 * Date: May 21, 1996 26 * 27 */ 28 29 #ifndef __TMACRO_H__ 30 #define __TMACRO_H__ 31 32 /****** Common helper macros ***********************************************/ 33 34 #if !defined(LOBYTE) 35 #define LOBYTE(w) ((unsigned char)(w)) 36 #endif 37 #if !defined(HIBYTE) 38 #define HIBYTE(w) ((unsigned char)(((unsigned short)(w) >> 8) & 0xFF)) 39 #endif 40 41 #if !defined(LOWORD) 42 #define LOWORD(d) ((unsigned short)(d)) 43 #endif 44 #if !defined(HIWORD) 45 #define HIWORD(d) ((unsigned short)((((unsigned long)(d)) >> 16) & 0xFFFF)) 46 #endif 47 48 #define LODWORD(q) ((q).u.dwLowDword) 49 #define HIDWORD(q) ((q).u.dwHighDword) 50 51 #if !defined(MAKEWORD) 52 #define MAKEWORD(lb, hb) ((unsigned short)(((unsigned char)(lb)) | (((unsigned short)((unsigned char)(hb))) << 8))) 53 #endif 54 #if !defined(MAKEDWORD) 55 #define MAKEDWORD(lw, hw) ((unsigned long)(((unsigned short)(lw)) | (((unsigned long)((unsigned short)(hw))) << 16))) 56 #endif 57 58 #endif /* __TMACRO_H__ */ 59