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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Defines for NTFS kernel collation handling.
*
* Copyright (c) 2004 Anton Altaparmakov
*
* Part of this file is based on code from the NTFS-3G.
* and is copyrighted by the respective authors below:
* Copyright (c) 2004 Anton Altaparmakov
* Copyright (c) 2005 Yura Pakhuchiy
*/
#ifndef _LINUX_NTFS_COLLATE_H
#define _LINUX_NTFS_COLLATE_H
#include "volume.h"
static inline bool ntfs_is_collation_rule_supported(__le32 cr)
{
int i;
if (unlikely(cr != COLLATION_BINARY && cr != COLLATION_NTOFS_ULONG &&
cr != COLLATION_FILE_NAME) && cr != COLLATION_NTOFS_ULONGS)
return false;
i = le32_to_cpu(cr);
if (likely(((i >= 0) && (i <= 0x02)) ||
((i >= 0x10) && (i <= 0x13))))
return true;
return false;
}
int ntfs_collate(struct ntfs_volume *vol, __le32 cr,
const void *data1, const u32 data1_len,
const void *data2, const u32 data2_len);
#endif /* _LINUX_NTFS_COLLATE_H */
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