Add original TrueCrypt 7.1a sources

src/Platform/FileCommon.cpp

@@ -0,0 +1,87 @@
+/*
+ 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 "File.h"
+#ifdef TC_UNIX
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <utime.h>
+#endif
+
+namespace TrueCrypt
+{
+	File::~File ()
+	{
+		try
+		{
+			if (FileIsOpen)
+				Close();
+		}
+		catch (...) { }
+	}
+
+	void File::Copy (const FilePath &sourcePath, const FilePath &destinationPath, bool preserveTimestamps)
+	{
+		File source;
+		source.Open (sourcePath);
+
+		File destination;
+		destination.Open (destinationPath, CreateWrite);
+
+		SecureBuffer buffer (OptimalReadSize);
+		uint64 len;
+
+		while ((len = source.Read (buffer)) > 0)
+		{
+			destination.Write (buffer, static_cast <size_t> (len));
+		}
+
+		if (preserveTimestamps)
+		{
+			destination.Flush();
+#ifndef TC_WINDOWS
+			struct stat statData;
+			throw_sys_sub_if (stat (string (sourcePath).c_str(), &statData) == -1, wstring (sourcePath));
+
+			struct utimbuf u;
+			u.actime = statData.st_atime;
+			u.modtime = statData.st_mtime;
+			throw_sys_sub_if (utime (string (destinationPath).c_str(), &u) == -1, wstring (destinationPath));
+#endif
+		}
+	}
+	
+	FilePath File::GetPath () const
+	{
+		if_debug (ValidateState());
+		return Path;
+	}
+
+	void File::ReadCompleteBuffer (const BufferPtr &buffer) const
+	{
+		size_t dataLeft = buffer.Size();
+		size_t offset = 0;
+
+		while (dataLeft > 0)
+		{
+			size_t dataRead = static_cast <size_t> (Read (buffer.GetRange (offset, dataLeft)));
+			if (dataRead == 0)
+				throw InsufficientData (SRC_POS);
+
+			dataLeft -= dataRead;
+			offset += dataRead;
+		}
+	}
+	
+	void File::ValidateState () const
+	{
+		if (!FileIsOpen)
+			throw NotInitialized (SRC_POS);
+	}
+}