| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * collate.h - Defines for NTFS kernel collation handling. Part of the |
| 3 | * Linux-NTFS project. |
| 4 | * |
| 5 | * Copyright (c) 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_COLLATE_H |
| 24 | #define _LINUX_NTFS_COLLATE_H |
| 25 | |
| 26 | #include "types.h" |
| 27 | #include "volume.h" |
| 28 | |
| 29 | static inline BOOL ntfs_is_collation_rule_supported(COLLATION_RULE cr) { |
| 30 | int i; |
| 31 | |
| 32 | /* |
| 33 | * FIXME: At the moment we only support COLLATION_BINARY and |
| 34 | * COLLATION_NTOFS_ULONG, so we return false for everything else for |
| 35 | * now. |
| 36 | */ |
| 37 | if (unlikely(cr != COLLATION_BINARY && cr != COLLATION_NTOFS_ULONG)) |
| 38 | return FALSE; |
| 39 | i = le32_to_cpu(cr); |
| 40 | if (likely(((i >= 0) && (i <= 0x02)) || |
| 41 | ((i >= 0x10) && (i <= 0x13)))) |
| 42 | return TRUE; |
| 43 | return FALSE; |
| 44 | } |
| 45 | |
| 46 | extern int ntfs_collate(ntfs_volume *vol, COLLATION_RULE cr, |
| 47 | const void *data1, const int data1_len, |
| 48 | const void *data2, const int data2_len); |
| 49 | |
| 50 | #endif /* _LINUX_NTFS_COLLATE_H */ |