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authorkh1 <karsten.heimrich@nokia.com>2012-03-15 14:53:47 +0100
committerKarsten Heimrich <karsten.heimrich@nokia.com>2012-03-19 16:14:04 +0100
commitbe3b47d0d504a3409ce66bd77bb8c0acff87c4f5 (patch)
tree09dfb02d484a4f395991972b828da71400fb761a /src/libs/7zip/win/CPP/7zip/Compress/BZip2Crc.cpp
parent9fd62353cf7f973d78cd2093328ac15b5c4980b6 (diff)
Reorganize the tree, have better ifw.pri. Shadow build support.
Change-Id: I01fb12537f863ed0744979973c7e4153889cc5cb Reviewed-by: Tim Jenssen <tim.jenssen@nokia.com>
Diffstat (limited to 'src/libs/7zip/win/CPP/7zip/Compress/BZip2Crc.cpp')
-rw-r--r--src/libs/7zip/win/CPP/7zip/Compress/BZip2Crc.cpp26
1 files changed, 26 insertions, 0 deletions
diff --git a/src/libs/7zip/win/CPP/7zip/Compress/BZip2Crc.cpp b/src/libs/7zip/win/CPP/7zip/Compress/BZip2Crc.cpp
new file mode 100644
index 000000000..4e4741f40
--- /dev/null
+++ b/src/libs/7zip/win/CPP/7zip/Compress/BZip2Crc.cpp
@@ -0,0 +1,26 @@
+// BZip2Crc.cpp
+
+#include "StdAfx.h"
+
+#include "BZip2Crc.h"
+
+UInt32 CBZip2Crc::Table[256];
+
+static const UInt32 kBZip2CrcPoly = 0x04c11db7; /* AUTODIN II, Ethernet, & FDDI */
+
+void CBZip2Crc::InitTable()
+{
+ for (UInt32 i = 0; i < 256; i++)
+ {
+ UInt32 r = (i << 24);
+ for (int j = 8; j > 0; j--)
+ r = (r & 0x80000000) ? ((r << 1) ^ kBZip2CrcPoly) : (r << 1);
+ Table[i] = r;
+ }
+}
+
+class CBZip2CrcTableInit
+{
+public:
+ CBZip2CrcTableInit() { CBZip2Crc::InitTable(); }
+} g_BZip2CrcTableInit;