37 lines
934 B
C
37 lines
934 B
C
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* collate.h - Defines for NTFS kernel collation handling. Part of the
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* Linux-NTFS project.
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*
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* Copyright (c) 2004 Anton Altaparmakov
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*/
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#ifndef _LINUX_NTFS_COLLATE_H
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#define _LINUX_NTFS_COLLATE_H
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#include "types.h"
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#include "volume.h"
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static inline bool ntfs_is_collation_rule_supported(COLLATION_RULE cr) {
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int i;
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/*
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* FIXME: At the moment we only support COLLATION_BINARY and
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* COLLATION_NTOFS_ULONG, so we return false for everything else for
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* now.
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*/
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if (unlikely(cr != COLLATION_BINARY && cr != COLLATION_NTOFS_ULONG))
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return false;
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i = le32_to_cpu(cr);
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if (likely(((i >= 0) && (i <= 0x02)) ||
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((i >= 0x10) && (i <= 0x13))))
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return true;
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return false;
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}
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extern int ntfs_collate(ntfs_volume *vol, COLLATION_RULE cr,
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const void *data1, const int data1_len,
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const void *data2, const int data2_len);
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#endif /* _LINUX_NTFS_COLLATE_H */
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