1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2002 Thomas Moestl <tmm@FreeBSD.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 #ifndef FAT_ENDIAN_H 29 #define FAT_ENDIAN_H 30 31 32 // Modified to support the Haiku FAT driver. 33 34 #ifndef FS_SHELL 35 #include <ByteOrder.h> 36 #endif 37 38 39 static __inline uint16_t 40 le16dec(const void* pp) 41 { 42 uint16 const* twoBytes = (uint16 const*)pp; 43 return B_LENDIAN_TO_HOST_INT16(*twoBytes); 44 } 45 46 47 static __inline uint32_t 48 le32dec(const void* pp) 49 { 50 uint32 const* fourBytes = (uint32 const*)pp; 51 return B_LENDIAN_TO_HOST_INT32(*fourBytes); 52 } 53 54 55 static __inline void 56 le16enc(void* pp, uint16_t u) 57 { 58 uint16* twoBytes = (uint16*)pp; 59 *twoBytes = B_HOST_TO_LENDIAN_INT16(u); 60 } 61 62 63 static __inline void 64 le32enc(void* pp, uint32_t u) 65 { 66 uint32* fourBytes = (uint32*)pp; 67 *fourBytes = B_HOST_TO_LENDIAN_INT32(u); 68 } 69 70 71 #endif // FAT_ENDIAN_H 72