| /* 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 */ |
