46 lines
1.8 KiB
C
46 lines
1.8 KiB
C
/* Copyright (C) 2010-2020 The RetroArch team
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*
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* ---------------------------------------------------------------------------------------
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* The following license statement only applies to this file (crc32.h).
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* ---------------------------------------------------------------------------------------
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*
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* Permission is hereby granted, free of charge,
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* to any person obtaining a copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef _LIBRETRO_ENCODINGS_CRC32_H
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#define _LIBRETRO_ENCODINGS_CRC32_H
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#include <stdint.h>
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#include <stddef.h>
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#include <retro_common_api.h>
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RETRO_BEGIN_DECLS
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/**
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* Computes a buffer's CRC32 checksum.
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*
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* @param crc The initial CRC32 value.
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* @param buf The buffer to calculate the CRC32 checksum of.
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* @param len The length of the data in \c buf.
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* @return The CRC32 checksum of the given buffer.
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*/
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uint32_t encoding_crc32(uint32_t crc, const uint8_t *buf, size_t len);
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RETRO_END_DECLS
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#endif
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