2 * CDE - Common Desktop Environment
4 * Copyright (c) 1993-2012, The Open Group. All rights reserved.
6 * These libraries and programs are free software; you can
7 * redistribute them and/or modify them under the terms of the GNU
8 * Lesser General Public License as published by the Free Software
9 * Foundation; either version 2 of the License, or (at your option)
12 * These libraries and programs are distributed in the hope that
13 * they will be useful, but WITHOUT ANY WARRANTY; without even the
14 * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 * PURPOSE. See the GNU Lesser General Public License for more
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with these librararies and programs; if not, write
20 * to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
21 * Floor, Boston, MA 02110-1301 USA
24 * $XConsortium: macro.h /main/4 1996/07/18 14:59:08 drk $
26 * Copyright (c) 1993 HAL Computer Systems International, Ltd.
27 * All rights reserved. Unpublished -- rights reserved under
28 * the Copyright Laws of the United States. USE OF A COPYRIGHT
29 * NOTICE IS PRECAUTIONARY ONLY AND DOES NOT IMPLY PUBLICATION
32 * THIS SOFTWARE CONTAINS CONFIDENTIAL INFORMATION AND TRADE
33 * SECRETS OF HAL COMPUTER SYSTEMS INTERNATIONAL, LTD. USE,
34 * DISCLOSURE, OR REPRODUCTION IS PROHIBITED WITHOUT THE
35 * PRIOR EXPRESS WRITTEN PERMISSION OF HAL COMPUTER SYSTEMS
38 * RESTRICTED RIGHTS LEGEND
39 * Use, duplication, or disclosure by the Government is subject
40 * to the restrictions as set forth in subparagraph (c)(l)(ii)
41 * of the Rights in Technical Data and Computer Software clause
42 * at DFARS 252.227-7013.
44 * HAL COMPUTER SYSTEMS INTERNATIONAL, LTD.
55 /* bit manipulation macros */
56 #define BIT_TEST(x, y) ( ((x) & (y)) == (y) )
57 #define RESET_BIT(x, y) x &= (~(y))
58 #define SET_BIT(x, y) x |= (y)
59 #define BITS_IN(TYPE) ( 8*sizeof(TYPE) )
61 /* comparison macros */
62 #define INRANGE(x, low, high) ((x>=low) && (x<=high))
67 #define MIN(x, y) (((x) < (y)) ? (x) : (y))
68 #define MAX(x, y) (((x) > (y)) ? (x) : (y))
70 #define TOBOOLEAN(x) ( ((x) == 1 ) ? true : false )
71 #define TOBIT(x) ( ((x) == true ) ? 1 : 0 )
73 /* little endian to/from big endian swap macros. */
76 #define ORDER_SWAP_LONG(x) \
79 ((unsigned char*)&x)[0] = ((unsigned char*)&tmp_long)[3]; \
80 ((unsigned char*)&x)[1] = ((unsigned char*)&tmp_long)[2]; \
81 ((unsigned char*)&x)[2] = ((unsigned char*)&tmp_long)[1]; \
82 ((unsigned char*)&x)[3] = ((unsigned char*)&tmp_long)[0]; \
85 #define ORDER_SWAP_LONG(x) \
88 ((unsigned char*)&x)[0] = ((unsigned char*)&tmp_long)[7]; \
89 ((unsigned char*)&x)[1] = ((unsigned char*)&tmp_long)[6]; \
90 ((unsigned char*)&x)[2] = ((unsigned char*)&tmp_long)[5]; \
91 ((unsigned char*)&x)[3] = ((unsigned char*)&tmp_long)[4]; \
92 ((unsigned char*)&x)[4] = ((unsigned char*)&tmp_long)[3]; \
93 ((unsigned char*)&x)[5] = ((unsigned char*)&tmp_long)[2]; \
94 ((unsigned char*)&x)[6] = ((unsigned char*)&tmp_long)[1]; \
95 ((unsigned char*)&x)[7] = ((unsigned char*)&tmp_long)[0]; \
99 #define ORDER_SWAP_FLOAT(x) \
101 float tmp_float = x; \
102 ((unsigned char*)&x)[0] = ((unsigned char*)&tmp_float)[3]; \
103 ((unsigned char*)&x)[1] = ((unsigned char*)&tmp_float)[2]; \
104 ((unsigned char*)&x)[2] = ((unsigned char*)&tmp_float)[1]; \
105 ((unsigned char*)&x)[3] = ((unsigned char*)&tmp_float)[0]; \
108 #define ORDER_SWAP_INT(x) \
111 ((unsigned char*)&x)[0] = ((unsigned char*)&tmp_uint)[3]; \
112 ((unsigned char*)&x)[1] = ((unsigned char*)&tmp_uint)[2]; \
113 ((unsigned char*)&x)[2] = ((unsigned char*)&tmp_uint)[1]; \
114 ((unsigned char*)&x)[3] = ((unsigned char*)&tmp_uint)[0]; \
117 #define ORDER_SWAP_UINT(x) \
119 unsigned int tmp_uint = x; \
120 ((unsigned char*)&x)[0] = ((unsigned char*)&tmp_uint)[3]; \
121 ((unsigned char*)&x)[1] = ((unsigned char*)&tmp_uint)[2]; \
122 ((unsigned char*)&x)[2] = ((unsigned char*)&tmp_uint)[1]; \
123 ((unsigned char*)&x)[3] = ((unsigned char*)&tmp_uint)[0]; \
126 #define ORDER_SWAP_USHORT(x) \
128 unsigned short tmp_ushort = x; \
129 ((unsigned char*)&x)[0] = ((unsigned char*)&tmp_ushort)[1]; \
130 ((unsigned char*)&x)[1] = ((unsigned char*)&tmp_ushort)[0]; \