1 files changed, 31 insertions, 0 deletions
diff --git a/external/vpc/public/tier1/checksum_crc.h b/external/vpc/public/tier1/checksum_crc.h
new file mode 100644
index 0000000..4c82376
--- /dev/null
+++ b/external/vpc/public/tier1/checksum_crc.h
@@ -0,0 +1,31 @@
+//========= Copyright � 1996-2005, Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Generic CRC functions
+//
+// $NoKeywords: $
+//=============================================================================//
+#ifndef CHECKSUM_CRC_H
+#define CHECKSUM_CRC_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+typedef uint32 CRC32_t;
+
+void CRC32_Init( CRC32_t *pulCRC );
+void CRC32_ProcessBuffer( CRC32_t *pulCRC, const void *p, int len );
+void CRC32_Final( CRC32_t *pulCRC );
+CRC32_t	CRC32_GetTableEntry( unsigned int slot );
+
+inline CRC32_t CRC32_ProcessSingleBuffer( const void *p, int len )
+{
+	CRC32_t crc;
+
+	CRC32_Init( &crc );
+	CRC32_ProcessBuffer( &crc, p, len );
+	CRC32_Final( &crc );
+
+	return crc;
+}
+
+#endif // CHECKSUM_CRC_H