Index: src/libchcore/TLocalFilesystem.cpp
===================================================================
diff -u -N -r2fe97a93f21771d75901d4b6559057d1ea055104 -r16df8fcf9d5b3317338aece64762771419beaf4a
--- src/libchcore/TLocalFilesystem.cpp	(.../TLocalFilesystem.cpp)	(revision 2fe97a93f21771d75901d4b6559057d1ea055104)
+++ src/libchcore/TLocalFilesystem.cpp	(.../TLocalFilesystem.cpp)	(revision 16df8fcf9d5b3317338aece64762771419beaf4a)
@@ -459,4 +459,21 @@
 	m_hFile = INVALID_HANDLE_VALUE;
 }
 
+unsigned long long TLocalFilesystemFile::GetFileSize() const
+{
+	if(!IsOpen())
+		return 0;
+
+	BY_HANDLE_FILE_INFORMATION bhfi;
+
+	if(!::GetFileInformationByHandle(m_hFile, &bhfi))
+		return 0;
+
+	ULARGE_INTEGER uli;
+	uli.HighPart = bhfi.nFileSizeHigh;
+	uli.LowPart = bhfi.nFileSizeLow;
+
+	return uli.QuadPart;
+}
+
 END_CHCORE_NAMESPACE