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Diffstat (limited to 'fs/ntfs/collate.h')
| -rw-r--r-- | fs/ntfs/collate.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/fs/ntfs/collate.h b/fs/ntfs/collate.h new file mode 100644 index 000000000..aba83347e --- /dev/null +++ b/fs/ntfs/collate.h @@ -0,0 +1,50 @@ +/* + * collate.h - Defines for NTFS kernel collation handling. Part of the + * Linux-NTFS project. + * + * Copyright (c) 2004 Anton Altaparmakov + * + * This program/include file 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/include file 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 (in the main directory of the Linux-NTFS + * distribution in the file COPYING); if not, write to the Free Software + * Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef _LINUX_NTFS_COLLATE_H +#define _LINUX_NTFS_COLLATE_H + +#include "types.h" +#include "volume.h" + +static inline bool ntfs_is_collation_rule_supported(COLLATION_RULE cr) { + int i; + + /* + * FIXME: At the moment we only support COLLATION_BINARY and + * COLLATION_NTOFS_ULONG, so we return false for everything else for + * now. + */ + if (unlikely(cr != COLLATION_BINARY && cr != COLLATION_NTOFS_ULONG)) + return false; + i = le32_to_cpu(cr); + if (likely(((i >= 0) && (i <= 0x02)) || + ((i >= 0x10) && (i <= 0x13)))) + return true; + return false; +} + +extern int ntfs_collate(ntfs_volume *vol, COLLATION_RULE cr, + const void *data1, const int data1_len, + const void *data2, const int data2_len); + +#endif /* _LINUX_NTFS_COLLATE_H */ |