Add original TrueCrypt 7.1a sources

src/Platform/Memory.cpp

@@ -0,0 +1,58 @@
+/*
+ Copyright (c) 2008 TrueCrypt Developers Association. All rights reserved.
+
+ Governed by the TrueCrypt License 3.0 the full text of which is contained in
+ the file License.txt included in TrueCrypt binary and source code distribution
+ packages.
+*/
+
+#include "Common/Tcdefs.h"
+#include "Memory.h"
+#include "Exception.h"
+
+namespace TrueCrypt
+{
+	void *Memory::Allocate (std::size_t size)
+	{
+		if (size < 1)
+			throw ParameterIncorrect (SRC_POS);
+
+		void *bufPtr = malloc (size);
+		if (!bufPtr)
+			throw bad_alloc();
+
+		return bufPtr;
+	}
+
+	int Memory::Compare (const void *memory1, size_t size1, const void *memory2, size_t size2)
+	{
+		if (size1 > size2)
+			return 1;
+		else if (size1 < size2)
+			return -1;
+		
+		return memcmp (memory1, memory2, size1);
+	}
+
+	void Memory::Copy (void *memoryDestination, const void *memorySource, size_t size)
+	{
+		assert (memoryDestination != nullptr && memorySource != nullptr);
+		memcpy (memoryDestination, memorySource, size);
+	}
+
+	void Memory::Erase (void *memory, size_t size)
+	{
+		burn (memory, size);
+	}
+
+	void Memory::Zero (void *memory, size_t size)
+	{
+		memset (memory, 0, size);
+	}
+
+	void Memory::Free (void *memory)
+	{
+		assert (memory != nullptr);
+		free (memory);
+	}
+}