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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* collate.h - Defines for NTFS kernel collation handling. Part of the
* Linux-NTFS project.
*
* Copyright (c) 2004 Anton Altaparmakov
*/
#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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