Ticket #8541: scummvm-readonly.diff

common/config-manager.cpp

@@ -216 +216 @@
 void ConfigManager::flushToDisk() {
         FILE *cfg_file;
 
-// TODO
-//      if (!willwrite)
-//              return;
+        if (getBool("read_only"))
+                return;
 
         if (!(cfg_file = fopen(_filename.c_str(), "w"))) {
                 warning("Unable to write configuration file: %s", _filename.c_str());

base/commandLine.cpp

@@ -215 +215 @@
         ConfMan.registerDefault("joystick_num", -1);
         ConfMan.registerDefault("confirm_exit", false);
         ConfMan.registerDefault("disable_sdl_parachute", false);
+        ConfMan.registerDefault("read_only", false);
 #ifdef USE_ALSA
         ConfMan.registerDefault("alsa_port", "65:0");
 #endif