2 * Copyright Droids Corporation (2011)
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 * Revision : $Id: md5c.c,v 1.3.4.1 2006-11-26 21:06:02 zer0 Exp $
22 #ifndef _AVERSIVE_ENDIAN_H_
23 #define _AVERSIVE_ENDIAN_H_
25 static inline uint16_t bswap16(uint16_t x)
27 return (uint16_t)(((x & 0x00ffU) << 8) |
28 ((x & 0xff00U) >> 8));
31 static inline uint32_t bswap32(uint32_t x)
33 return ((x & 0x000000ffUL) << 24) |
34 ((x & 0x0000ff00UL) << 8) |
35 ((x & 0x00ff0000UL) >> 8) |
36 ((x & 0xff000000UL) >> 24);
39 static inline uint64_t bswap64(uint64_t x)
41 return ((x & 0x00000000000000ffULL) << 56) |
42 ((x & 0x000000000000ff00ULL) << 40) |
43 ((x & 0x0000000000ff0000ULL) << 24) |
44 ((x & 0x00000000ff000000ULL) << 8) |
45 ((x & 0x000000ff00000000ULL) >> 8) |
46 ((x & 0x0000ff0000000000ULL) >> 24) |
47 ((x & 0x00ff000000000000ULL) >> 40) |
48 ((x & 0xff00000000000000ULL) >> 56);
51 #if BYTE_ORDER == LITTLE_ENDIAN
52 #define ntohs(x) bswap16(x)
53 #define ntohl(x) bswap32(x)
54 #define ntohll(x) bswap64(x)