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authorJohn Schoenick <[email protected]>2015-09-09 18:35:41 -0700
committerJohn Schoenick <[email protected]>2015-09-09 18:35:41 -0700
commit0d8dceea4310fde5706b3ce1c70609d72a38efdf (patch)
treec831ef32c2c801a5c5a80401736b52c7b5a528ec /mp/src/utils/lzma/C/XzCrc64.h
parentUpdated the SDK with the latest code from the TF and HL2 branches. (diff)
downloadsource-sdk-2013-master.tar.xz
source-sdk-2013-master.zip
Updated the SDK with the latest code from the TF and HL2 branches.HEADmaster
Diffstat (limited to 'mp/src/utils/lzma/C/XzCrc64.h')
-rw-r--r--mp/src/utils/lzma/C/XzCrc64.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/mp/src/utils/lzma/C/XzCrc64.h b/mp/src/utils/lzma/C/XzCrc64.h
new file mode 100644
index 00000000..08dbc330
--- /dev/null
+++ b/mp/src/utils/lzma/C/XzCrc64.h
@@ -0,0 +1,26 @@
+/* XzCrc64.h -- CRC64 calculation
+2013-01-18 : Igor Pavlov : Public domain */
+
+#ifndef __XZ_CRC64_H
+#define __XZ_CRC64_H
+
+#include <stddef.h>
+
+#include "7zTypes.h"
+
+EXTERN_C_BEGIN
+
+extern UInt64 g_Crc64Table[];
+
+void MY_FAST_CALL Crc64GenerateTable(void);
+
+#define CRC64_INIT_VAL UINT64_CONST(0xFFFFFFFFFFFFFFFF)
+#define CRC64_GET_DIGEST(crc) ((crc) ^ CRC64_INIT_VAL)
+#define CRC64_UPDATE_BYTE(crc, b) (g_Crc64Table[((crc) ^ (b)) & 0xFF] ^ ((crc) >> 8))
+
+UInt64 MY_FAST_CALL Crc64Update(UInt64 crc, const void *data, size_t size);
+UInt64 MY_FAST_CALL Crc64Calc(const void *data, size_t size);
+
+EXTERN_C_END
+
+#endif