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41 lines
1.4 KiB
C
41 lines
1.4 KiB
C
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/*******************************************************************************
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COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2012.
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COPYRIGHT(C) KRZYSZTOF DABROWSKI 1999, 2000.
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COPYRIGHT(C) ElysiuM deeZine 1999, 2000.
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Based on implementation by Finn Yannick Jacobs.
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This file is part of Sortix.
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Sortix is free software: you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation, either version 3 of the License, or (at your option) any later
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version.
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Sortix is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public License along
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with Sortix. If not, see <http://www.gnu.org/licenses/>.
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crc32.h
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Calculates a CRC32 Checksum on binary data.
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*******************************************************************************/
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#ifndef CRC32_H
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#define CRC32_H
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const uint32_t CRC32_START_SEED = 0xFFFFFFFF;
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void GenerateCRC32Table(uint32_t tabel[256]);
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uint32_t ContinueCRC32(uint32_t tabel[256], uint32_t crc, uint8_t* block,
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size_t size);
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uint32_t FinishCRC32(uint32_t crc);
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uint32_t CRC32(uint8_t* block, size_t size);
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bool CRC32File(uint32_t* result, const char* name, int fd, off_t offset,
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off_t length);
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#endif
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