1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/win32/7zip/7z/CPP/7zip/Compress/BZip2Crc.cpp	Sat Mar 03 10:31:27 2012 -0600
     1.3 @@ -0,0 +1,26 @@
     1.4 +// BZip2Crc.cpp
     1.5 +
     1.6 +#include "StdAfx.h"
     1.7 +
     1.8 +#include "BZip2Crc.h"
     1.9 +
    1.10 +UInt32 CBZip2Crc::Table[256];
    1.11 +
    1.12 +static const UInt32 kBZip2CrcPoly = 0x04c11db7;  /* AUTODIN II, Ethernet, & FDDI */
    1.13 +
    1.14 +void CBZip2Crc::InitTable()
    1.15 +{
    1.16 +  for (UInt32 i = 0; i < 256; i++)
    1.17 +  {
    1.18 +    UInt32 r = (i << 24);
    1.19 +    for (int j = 8; j > 0; j--)
    1.20 +      r = (r & 0x80000000) ? ((r << 1) ^ kBZip2CrcPoly) : (r << 1);
    1.21 +    Table[i] = r;
    1.22 +  }
    1.23 +}
    1.24 +
    1.25 +class CBZip2CrcTableInit
    1.26 +{
    1.27 +public:
    1.28 +  CBZip2CrcTableInit() { CBZip2Crc::InitTable(); }
    1.29 +} g_BZip2CrcTableInit;