/*
* 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 */
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