| /*- |
| * Copyright (c) 2002 Thomas Moestl <tmm@FreeBSD.org> |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * |
| * $FreeBSD$ |
| */ |
| |
| /* |
| * Note: This is from FreeBSD 7.2 (sys/endian.h). It has been trimmed to act |
| * as a porting layer for porting to Linux. |
| */ |
| |
| #ifndef _SYS_ENDIAN_H_ |
| #define _SYS_ENDIAN_H_ |
| |
| #include <endian.h> |
| |
| static __inline uint16_t |
| le16dec(const void *pp) |
| { |
| unsigned char const *p = (unsigned char const *)pp; |
| |
| return ((p[1] << 8) | p[0]); |
| } |
| |
| static __inline uint32_t |
| le32dec(const void *pp) |
| { |
| unsigned char const *p = (unsigned char const *)pp; |
| |
| return ((p[3] << 24) | (p[2] << 16) | (p[1] << 8) | p[0]); |
| } |
| |
| static __inline void |
| le16enc(void *pp, uint16_t u) |
| { |
| unsigned char *p = (unsigned char *)pp; |
| |
| p[0] = u & 0xff; |
| p[1] = (u >> 8) & 0xff; |
| } |
| |
| static __inline void |
| le32enc(void *pp, uint32_t u) |
| { |
| unsigned char *p = (unsigned char *)pp; |
| |
| p[0] = u & 0xff; |
| p[1] = (u >> 8) & 0xff; |
| p[2] = (u >> 16) & 0xff; |
| p[3] = (u >> 24) & 0xff; |
| } |
| |
| #endif /* _SYS_ENDIAN_H_ */ |