--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/libphysfs/lzma/C/7zCrcT8.c Mon Apr 10 12:06:43 2017 -0400
@@ -0,0 +1,40 @@
+/* 7zCrcT8.c */
+
+#include "7zCrc.h"
+
+#define kCrcPoly 0xEDB88320
+#define CRC_NUM_TABLES 8
+
+UInt32 g_CrcTable[256 * CRC_NUM_TABLES];
+
+void MY_FAST_CALL CrcGenerateTable()
+{
+ UInt32 i;
+ for (i = 0; i < 256; i++)
+ {
+ UInt32 r = i;
+ int j;
+ for (j = 0; j < 8; j++)
+ r = (r >> 1) ^ (kCrcPoly & ~((r & 1) - 1));
+ g_CrcTable[i] = r;
+ }
+ #if CRC_NUM_TABLES > 1
+ for (; i < 256 * CRC_NUM_TABLES; i++)
+ {
+ UInt32 r = g_CrcTable[i - 256];
+ g_CrcTable[i] = g_CrcTable[r & 0xFF] ^ (r >> 8);
+ }
+ #endif
+}
+
+UInt32 MY_FAST_CALL CrcUpdateT8(UInt32 v, const void *data, size_t size, const UInt32 *table);
+
+UInt32 MY_FAST_CALL CrcUpdate(UInt32 v, const void *data, size_t size)
+{
+ return CrcUpdateT8(v, data, size, g_CrcTable);
+}
+
+UInt32 MY_FAST_CALL CrcCalc(const void *data, size_t size)
+{
+ return CrcUpdateT8(CRC_INIT_VAL, data, size, g_CrcTable) ^ 0xFFFFFFFF;
+}