2011-12-27 21:18:07 +00:00
commit 9f98ea7e22
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+/* 7zCrc.h -- CRC32 calculation
+2008-03-13
+Igor Pavlov
+Public domain */
+
+#ifndef __7Z_CRC_H
+#define __7Z_CRC_H
+
+#include <stddef.h>
+
+#include "lzma_Types.h"
+
+namespace crnlib {
+
+extern UInt32 g_CrcTable[];
+
+void MY_FAST_CALL CrcGenerateTable(void);
+
+#define CRC_INIT_VAL 0xFFFFFFFF
+#define CRC_GET_DIGEST(crc) ((crc) ^ 0xFFFFFFFF)
+#define CRC_UPDATE_BYTE(crc, b) (g_CrcTable[((crc) ^ (b)) & 0xFF] ^ ((crc) >> 8))
+
+UInt32 MY_FAST_CALL CrcUpdate(UInt32 crc, const void *data, size_t size);
+UInt32 MY_FAST_CALL CrcCalc(const void *data, size_t size);
+
+}
+
+#endif