crc.h
资源名称:tcpmp.rar [点击查看]
上传用户:wstnjxml
上传日期:2014-04-03
资源大小:7248k
文件大小:3k
源码类别:
Windows CE
开发平台:
C/C++
- /* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2000,2001,2002,2003,2004,2005 Josh Coalson
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
- #ifndef FLAC__PRIVATE__CRC_H
- #define FLAC__PRIVATE__CRC_H
- #include "FLAC/ordinals.h"
- /* 8 bit CRC generator, MSB shifted first
- ** polynomial = x^8 + x^2 + x^1 + x^0
- ** init = 0
- */
- extern FLAC__byte const FLAC__crc8_table[256];
- #define FLAC__CRC8_UPDATE(data, crc) (crc) = FLAC__crc8_table[(crc) ^ (data)];
- void FLAC__crc8_update(const FLAC__byte data, FLAC__uint8 *crc);
- void FLAC__crc8_update_block(const FLAC__byte *data, unsigned len, FLAC__uint8 *crc);
- FLAC__uint8 FLAC__crc8(const FLAC__byte *data, unsigned len);
- /* 16 bit CRC generator, MSB shifted first
- ** polynomial = x^16 + x^15 + x^2 + x^0
- ** init = 0
- */
- extern FLAC__uint16 FLAC__crc16_table[256];
- #define FLAC__CRC16_UPDATE(data, crc) (crc) = ((crc)<<8) ^ FLAC__crc16_table[((crc)>>8) ^ (data)];
- void FLAC__crc16_update(const FLAC__byte data, FLAC__uint16 *crc);
- void FLAC__crc16_update_block(const FLAC__byte *data, unsigned len, FLAC__uint16 *crc);
- FLAC__uint16 FLAC__crc16(const FLAC__byte *data, unsigned len);
- #endif