43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
/*
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* crc32_fast.h
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*
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* Based on the standard CRC32 checksum fast public domain implementation for
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* little-endian architecures by Björn Samuelsson (http://home.thep.lu.se/~bjorn/crc).
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*
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* Copyright (c) 2020-2021, DarkMatterCore <pabloacurielz@gmail.com>.
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*
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* This file is part of nxdumptool (https://github.com/DarkMatterCore/nxdumptool).
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*
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* nxdumptool is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* nxdumptool 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
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* GNU 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 License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#pragma once
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#ifndef __CRC32_FAST_H__
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#define __CRC32_FAST_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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/// Calculates a CRC32 checksum over the provided input buffer. Checksum calculation in chunks is supported.
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/// CRC32 calculation state is both read from and saved to 'crc', which should be zero during the first call to this function.
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void crc32FastCalculate(const void *data, u64 n_bytes, u32 *crc);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __CRC32_FAST_H__ */
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