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https://github.com/kdave/btrfs-progs
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c04bcdcacc
With the introduction of xxhash64 to btrfs-progs we created a crypto/ directory for all the hashes used in btrfs (although no cryptographically secure hash is there yet). Move the crc32c implementation from kernel-lib/ to crypto/ as well so we have all hashes consolidated. Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: David Sterba <dsterba@suse.com>
34 lines
1.1 KiB
C
34 lines
1.1 KiB
C
/*
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* Copyright (C) 2007 Red Hat. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License v2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 021110-1307, USA.
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*/
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#ifndef __CRC32C__
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#define __CRC32C__
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#if BTRFS_FLAT_INCLUDES
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#include "kerncompat.h"
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#else
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#include <btrfs/kerncompat.h>
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#endif /* BTRFS_FLAT_INCLUDES */
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u32 crc32c_le(u32 seed, unsigned char const *data, size_t length);
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void crc32c_optimization_init(void);
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#define crc32c(seed, data, length) crc32c_le(seed, (unsigned char const *)data, length)
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#define btrfs_crc32c crc32c
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#endif
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