apt-pkg/contrib/crc-16.h

   1 // -*- mode: cpp; mode: fold -*-
   2 // Description                                                          /*{{{*/
   3 // $Id: crc-16.h,v 1.1 1999/05/23 22:55:54 jgg Exp $
   4 /* ######################################################################
   5
   6    CRC16 - Compute a 16bit crc very quickly
   7
   8    ##################################################################### */
   9                                                                         /*}}}*/
  10 #ifndef APTPKG_CRC16_H
  11 #define APTPKG_CRC16_H
  12
  13 #include <apt-pkg/macros.h>
  14
  15 #define INIT_FCS  0xffff
  16 unsigned short AddCRC16Byte(unsigned short fcs, unsigned char byte) APT_CONST;
  17 unsigned short AddCRC16(unsigned short fcs, void const *buf,
  18                         unsigned long long len) APT_PURE;
  19
  20 #endif