| /* |
| * Copyright (C) International Business Machines Corp., 2001 |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See |
| * the GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| #ifndef _H_ENDIAN24 |
| #define _H_ENDIAN24 |
| |
| /* |
| * endian24.h: |
| * |
| * Endian conversion for 24-byte data |
| * |
| */ |
| #define __swab24(x) \ |
| ({ \ |
| __u32 __x = (x); \ |
| ((__u32)( \ |
| ((__x & (__u32)0x000000ffUL) << 16) | \ |
| (__x & (__u32)0x0000ff00UL) | \ |
| ((__x & (__u32)0x00ff0000UL) >> 16) )); \ |
| }) |
| |
| #if (defined(__KERNEL__) && defined(__LITTLE_ENDIAN)) || (defined(__BYTE_ORDER) && (__BYTE_ORDER == __LITTLE_ENDIAN)) |
| #define __cpu_to_le24(x) ((__u32)(x)) |
| #define __le24_to_cpu(x) ((__u32)(x)) |
| #else |
| #define __cpu_to_le24(x) __swab24(x) |
| #define __le24_to_cpu(x) __swab24(x) |
| #endif |
| |
| #ifdef __KERNEL__ |
| #define cpu_to_le24 __cpu_to_le24 |
| #define le24_to_cpu __le24_to_cpu |
| #endif |
| |
| #endif /* !_H_ENDIAN24 */ |