Correctly converting the command line arguments of the VM

cmake/Windows.cmake

@@ -63,7 +63,7 @@ set(VM_FRONTEND_SOURCES
     ${Win32Resource})
 
 set(VM_CONSOLE_FRONTEND_SOURCES
-    ${CMAKE_CURRENT_SOURCE_DIR}/src/unixMain.c
+    ${CMAKE_CURRENT_SOURCE_DIR}/src/win32Main.c
     ${Win32ConsoleResource})
 
 set(VM_FRONTEND_APPLICATION_TYPE WIN32)

src/win32Main.c

@@ -1,9 +1,51 @@
 #include "pharovm/pharoClient.h"
 
 #include <windows.h>
+#include <shellapi.h>
 
 int CALLBACK
 WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
 {
-    return vm_main(__argc, (const char **)__argv, (const char**)environ);
+
+	char  **argsInUtf8 = NULL;
+	LPWSTR *wideArgs;
+	int numberOfArgs;
+	int totalSize = 0;
+	char *currentString;
+	int *sizes;
+	int i;
+
+	/*
+		Converting the arguments from wide char strings to UTF8 strings.
+	*/
+
+	wideArgs = CommandLineToArgvW(GetCommandLineW(), &numberOfArgs);
+	if( NULL == wideArgs )
+	{
+		logErrorFromGetLastError("CommandLineToArgvW failed");
+		return 0;
+	}
+
+	sizes = (int*)malloc(sizeof(int)*numberOfArgs);
+
+	for( i=0; i<numberOfArgs; i++){
+		sizes[i] = WideCharToMultiByte(CP_UTF8, 0, wideArgs[i], -1, NULL, 0, NULL, FALSE);
+		totalSize += sizes[i];
+	}
+
+	totalSize += sizeof(char*) * numberOfArgs;
+	argsInUtf8 = malloc(totalSize);
+
+	currentString = &argsInUtf8[numberOfArgs];
+
+	for( i=0; i<numberOfArgs; i++){
+		argsInUtf8[i] = currentString;
+		WideCharToMultiByte(CP_UTF8, 0, wideArgs[i], -1, currentString, sizes[i], NULL, FALSE);
+		currentString = currentString + sizes[i];
+	}
+
+	LocalFree(wideArgs);
+	free((void*)sizes);
+
+    return vm_main(numberOfArgs, (const char **)argsInUtf8, (const char**)environ);
 }