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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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