| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * endian.h - Defines for endianness handling in NTFS Linux kernel driver. |
| 3 | * Part of the Linux-NTFS project. |
| 4 | * |
| 5 | * Copyright (c) 2001-2004 Anton Altaparmakov |
| 6 | * |
| 7 | * This program/include file is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU General Public License as published |
| 9 | * by the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program/include file is distributed in the hope that it will be |
| 13 | * useful, but WITHOUT ANY WARRANTY; without even the implied warranty |
| 14 | * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program (in the main directory of the Linux-NTFS |
| 19 | * distribution in the file COPYING); if not, write to the Free Software |
| 20 | * Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 21 | */ |
| 22 | |
| 23 | #ifndef _LINUX_NTFS_ENDIAN_H |
| 24 | #define _LINUX_NTFS_ENDIAN_H |
| 25 | |
| 26 | #include <asm/byteorder.h> |
| 27 | #include "types.h" |
| 28 | |
| 29 | /* |
| 30 | * Signed endianness conversion functions. |
| 31 | */ |
| 32 | |
| 33 | static inline s16 sle16_to_cpu(sle16 x) |
| 34 | { |
| 35 | return le16_to_cpu((__force le16)x); |
| 36 | } |
| 37 | |
| 38 | static inline s32 sle32_to_cpu(sle32 x) |
| 39 | { |
| 40 | return le32_to_cpu((__force le32)x); |
| 41 | } |
| 42 | |
| 43 | static inline s64 sle64_to_cpu(sle64 x) |
| 44 | { |
| 45 | return le64_to_cpu((__force le64)x); |
| 46 | } |
| 47 | |
| 48 | static inline s16 sle16_to_cpup(sle16 *x) |
| 49 | { |
| 50 | return le16_to_cpu(*(__force le16*)x); |
| 51 | } |
| 52 | |
| 53 | static inline s32 sle32_to_cpup(sle32 *x) |
| 54 | { |
| 55 | return le32_to_cpu(*(__force le32*)x); |
| 56 | } |
| 57 | |
| 58 | static inline s64 sle64_to_cpup(sle64 *x) |
| 59 | { |
| 60 | return le64_to_cpu(*(__force le64*)x); |
| 61 | } |
| 62 | |
| 63 | static inline sle16 cpu_to_sle16(s16 x) |
| 64 | { |
| 65 | return (__force sle16)cpu_to_le16(x); |
| 66 | } |
| 67 | |
| 68 | static inline sle32 cpu_to_sle32(s32 x) |
| 69 | { |
| 70 | return (__force sle32)cpu_to_le32(x); |
| 71 | } |
| 72 | |
| 73 | static inline sle64 cpu_to_sle64(s64 x) |
| 74 | { |
| 75 | return (__force sle64)cpu_to_le64(x); |
| 76 | } |
| 77 | |
| 78 | static inline sle16 cpu_to_sle16p(s16 *x) |
| 79 | { |
| 80 | return (__force sle16)cpu_to_le16(*x); |
| 81 | } |
| 82 | |
| 83 | static inline sle32 cpu_to_sle32p(s32 *x) |
| 84 | { |
| 85 | return (__force sle32)cpu_to_le32(*x); |
| 86 | } |
| 87 | |
| 88 | static inline sle64 cpu_to_sle64p(s64 *x) |
| 89 | { |
| 90 | return (__force sle64)cpu_to_le64(*x); |
| 91 | } |
| 92 | |
| 93 | #endif /* _LINUX_NTFS_ENDIAN_H */ |