Add detect EOS_DIGITAL button

Makefile

@@ -112,6 +112,8 @@ win-gtk-test:
 	@cd src; cp $(LIBUSB_DLL) ../mlinstall/
 	@cd gtk/bin/; cp -t ../../mlinstall/ $(WIN_GTK_DLL)
 	@cp mlinstall.exe mlinstall/
+	@cat README.md > mlinstall/README.txt
+	@cat MANUAL.md > mlinstall/HELP.txt
 
 win-cli-pack:
 	@rm -rf mlinstall

gtk.c

@@ -202,6 +202,17 @@ static void disablebootdisk(GtkWidget *widget, gpointer data)
 	}
 }
 
+static void showdrive(GtkWidget *widget, gpointer data)
+{
+	logclear();
+	char buffer[128];
+	if (flag_usable_drive(buffer)) {
+		logprint(buffer);
+	} else {
+		logprint("Error getting usable drive.\n");
+	}
+}
+
 static gboolean delete_event(GtkWidget *widget, GdkEvent *event, gpointer data)
 {
 	gtk_main_quit();
@@ -329,6 +340,9 @@ int main(int argc, char *argv[])
 	g_signal_connect(entry, "activate", G_CALLBACK(eventproc), NULL);
 	gtk_widget_show(entry);
 
+	MENU_ADD_BUTTON("Detect EOS_DIGITAL", showdrive,
+						"Try and return a usable filesystem.")
+
 	label = gtk_label_new(NULL);
 	gtk_label_set_markup(
 		GTK_LABEL(label),

src/drive-win.c

@@ -80,6 +80,7 @@ int flag_getdrive()
 	return (int)id;
 }
 
+// Should never buffer overflow
 int flag_usable_drive(char buffer[])
 {
 	int drive = flag_getdrive();