1 files changed, 67 insertions, 0 deletions
diff --git a/dep/CascLib/src/CascCommon.cpp b/dep/CascLib/src/CascCommon.cpp
new file mode 100644
index 00000000000..8ad7d716b82
--- /dev/null
+++ b/dep/CascLib/src/CascCommon.cpp
@@ -0,0 +1,67 @@
+/*****************************************************************************/
+/* CascCommon.cpp                         Copyright (c) Ladislav Zezula 2014 */
+/*---------------------------------------------------------------------------*/
+/* Common functions for CascLib                                              */
+/*---------------------------------------------------------------------------*/
+/*   Date    Ver   Who  Comment                                              */
+/* --------  ----  ---  -------                                              */
+/* 29.04.14  1.00  Lad  The first version of CascCommon.cpp                  */
+/*****************************************************************************/
+
+#define __CASCLIB_SELF__
+#include "CascLib.h"
+#include "CascCommon.h"
+
+//-----------------------------------------------------------------------------
+// Conversion of big-endian to integer
+
+// Read the 24-bit big-endian offset into ULONGLONG
+DWORD ConvertBytesToInteger_3(LPBYTE ValueAsBytes)
+{
+    DWORD Value = 0;
+
+    Value = (Value << 0x08) | ValueAsBytes[0];
+    Value = (Value << 0x08) | ValueAsBytes[1];
+    Value = (Value << 0x08) | ValueAsBytes[2];
+
+    return Value;
+}
+
+// Read the 32-bit big-endian offset into ULONGLONG
+DWORD ConvertBytesToInteger_4(LPBYTE ValueAsBytes)
+{
+    DWORD Value = 0;
+
+    Value = (Value << 0x08) | ValueAsBytes[0];
+    Value = (Value << 0x08) | ValueAsBytes[1];
+    Value = (Value << 0x08) | ValueAsBytes[2];
+    Value = (Value << 0x08) | ValueAsBytes[3];
+
+    return Value;
+}
+
+DWORD ConvertBytesToInteger_4_LE(LPBYTE ValueAsBytes)
+{
+    DWORD Value = 0;
+
+    Value = (Value << 0x08) | ValueAsBytes[3];
+    Value = (Value << 0x08) | ValueAsBytes[2];
+    Value = (Value << 0x08) | ValueAsBytes[1];
+    Value = (Value << 0x08) | ValueAsBytes[0];
+
+    return Value;
+}
+
+// Read the 40-bit big-endian offset into ULONGLONG
+ULONGLONG ConvertBytesToInteger_5(LPBYTE ValueAsBytes)
+{
+    ULONGLONG Value = 0;
+
+    Value = (Value << 0x08) | ValueAsBytes[0];
+    Value = (Value << 0x08) | ValueAsBytes[1];
+    Value = (Value << 0x08) | ValueAsBytes[2];
+    Value = (Value << 0x08) | ValueAsBytes[3];
+    Value = (Value << 0x08) | ValueAsBytes[4];
+
+    return Value;
+}