1 /***************************************************************************
2 * Copyright (C) 2004, 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
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. *
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. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
28 typedef unsigned char u8;
32 typedef unsigned short u16;
36 typedef unsigned int u32;
40 typedef unsigned long long u64;
43 #ifdef WORDS_BIGENDIAN /* big endian host */
45 #define le_to_h_u32(x) (u32)((x)[0] | (x)[1] << 8 | (x)[2] << 16 | (x)[3] << 24)
46 #define le_to_h_u16(x) (u16)((x)[0] | (x)[1] << 8)
47 #define be_to_h_u32(x) (*(u32*)(x))
48 #define be_to_h_u16(x) (*(u16*)(x))
50 #define h_u32_to_le(buf, val) \
52 (buf)[3] = ((val) & 0xff000000) >> 24; \
53 (buf)[2] = ((val) & 0x00ff0000) >> 16; \
54 (buf)[1] = ((val) & 0x0000ff00) >> 8; \
55 (buf)[0] = ((val) & 0x000000ff); \
58 #define h_u16_to_le(buf, val) \
60 (buf)[0] = ((val) & 0xff000) >> 8; \
61 (buf)[1] = ((val) & 0x00ff); \
64 #define h_u32_to_be(buf, val) do { *(u32*)(buf) = (val); } while (0)
65 #define h_u16_to_be(buf, val) do { *(u16*)(buf) = (val); } while (0)
67 #else /* little endian host */
68 #define le_to_h_u32(x) (*(u32*)(x))
69 #define le_to_h_u16(x) (*(u16*)(x))
70 #define be_to_h_u32(x) (u32)((x)[3] | (x)[2] << 8 | (x)[1] << 16 | (x)[0] << 24)
71 #define be_to_h_u16(x) (u16)((x)[1] | (x)[0] << 8)
73 #define h_u32_to_le(buf, val) do { *(u32*)(buf) = (val); } while (0)
74 #define h_u16_to_le(buf, val) do { *(u16*)(buf) = (val); } while (0)
76 #define h_u32_to_be(buf, val) \
78 (buf)[0] = ((val) & 0xff000000) >> 24; \
79 (buf)[1] = ((val) & 0x00ff0000) >> 16; \
80 (buf)[2] = ((val) & 0x0000ff00) >> 8; \
81 (buf)[3] = ((val) & 0x000000ff); \
84 #define h_u16_to_be(buf, val) \
86 (buf)[0] = ((val) & 0xff000) >> 8; \
87 (buf)[1] = ((val) & 0x00ff); \