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27 lines
700 B
C
27 lines
700 B
C
/*
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* crc16.h - CRC-16 routine
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*
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* Implements the standard CRC-16:
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* Width 16
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* Poly 0x8005 (x16 + x15 + x2 + 1)
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* Init 0
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*
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* Copyright (c) 2005 Ben Gardner <bgardner@wabtec.com>
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*
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* This source code is licensed under the GNU General Public License,
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* Version 2. See the file COPYING for more details.
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*/
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#ifndef __CRC16_H
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#define __CRC16_H
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/* for an unknown reason, PPC treats __u16 as signed and keeps doing sign
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* extension on the value. Instead, use only the low 16 bits of an
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* unsigned int for holding the CRC value to avoid this.
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*/
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typedef unsigned int crc16_t;
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extern crc16_t ext2fs_crc16(crc16_t crc, const void *buffer, unsigned int len);
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#endif /* __CRC16_H */
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