| | 1 | /* |
| | 2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. |
| | 3 | * |
| | 4 | * @APPLE_LICENSE_HEADER_START@ |
| | 5 | * |
| | 6 | * This file contains Original Code and/or Modifications of Original Code |
| | 7 | * as defined in and that are subject to the Apple Public Source License |
| | 8 | * Version 2.0 (the 'License'). You may not use this file except in |
| | 9 | * compliance with the License. Please obtain a copy of the License at |
| | 10 | * http://www.opensource.apple.com/apsl/ and read it before using this |
| | 11 | * file. |
| | 12 | * |
| | 13 | * The Original Code and all software distributed under the License are |
| | 14 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| | 15 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| | 16 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
| | 17 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
| | 18 | * Please see the License for the specific language governing rights and |
| | 19 | * limitations under the License. |
| | 20 | * |
| | 21 | * @APPLE_LICENSE_HEADER_END@ |
| | 22 | */ |
| | 23 | #ifndef __HFS_ENDIAN_H__ |
| | 24 | #define __HFS_ENDIAN_H__ |
| | 25 | |
| | 26 | /* |
| | 27 | * hfs_endian.h |
| | 28 | * |
| | 29 | * This file prototypes endian swapping routines for the HFS/HFS Plus |
| | 30 | * volume format. |
| | 31 | */ |
| | 32 | #include <libkern/OSByteOrder.h> |
| | 33 | |
| | 34 | /*********************/ |
| | 35 | /* BIG ENDIAN Macros */ |
| | 36 | /*********************/ |
| | 37 | #if BYTE_ORDER == BIG_ENDIAN |
| | 38 | /* HFS is always big endian, make swaps into no-ops */ |
| | 39 | #define SWAP_BE16(__a) (__a) |
| | 40 | #define SWAP_BE32(__a) (__a) |
| | 41 | #define SWAP_BE64(__a) (__a) |
| | 42 | |
| | 43 | /************************/ |
| | 44 | /* LITTLE ENDIAN Macros */ |
| | 45 | /************************/ |
| | 46 | #elif BYTE_ORDER == LITTLE_ENDIAN |
| | 47 | /* HFS is always big endian, make swaps actually swap */ |
| | 48 | #define SWAP_BE16(__a) OSSwapBigToHostInt16 (__a) |
| | 49 | #define SWAP_BE32(__a) OSSwapBigToHostInt32 (__a) |
| | 50 | #define SWAP_BE64(__a) OSSwapBigToHostInt64 (__a) |
| | 51 | |
| | 52 | #else |
| | 53 | #warning Unknown byte order |
| | 54 | #error |
| | 55 | #endif |
| | 56 | |
| | 57 | #endif /* __HFS_ENDIAN__ */ |
projects / apple / hfs.git / blame_incremental