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authorinitial.commit <initial.commit@0039d316-1c4b-4281-b951-d872f2087c98>2008-07-27 00:38:33 +0000
committerinitial.commit <initial.commit@0039d316-1c4b-4281-b951-d872f2087c98>2008-07-27 00:38:33 +0000
commit584cd5cbd7be997400ccb8db24ae5410b0b88117 (patch)
tree083e5f1f48d019e0f07b96fef7179483df53c823 /third_party/lzma_sdk/7zCrc.h
parentf5b16fed647e941aa66933178da85db2860d639b (diff)
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git-svn-id: svn://svn.chromium.org/chrome/trunk/src@19 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'third_party/lzma_sdk/7zCrc.h')
-rw-r--r--third_party/lzma_sdk/7zCrc.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/third_party/lzma_sdk/7zCrc.h b/third_party/lzma_sdk/7zCrc.h
new file mode 100644
index 0000000..bb3d481
--- /dev/null
+++ b/third_party/lzma_sdk/7zCrc.h
@@ -0,0 +1,21 @@
+/* 7zCrc.h */
+
+#ifndef __7Z_CRC_H
+#define __7Z_CRC_H
+
+#include <stddef.h>
+
+#include "Types.h"
+
+extern UInt32 g_CrcTable[];
+
+void MY_FAST_CALL CrcGenerateTable();
+
+#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