reduce flash footprint by smarter code generation #4163

a bit of unit tests drama

firmware/controllers/lua/lua_hooks_util.cpp

@@ -51,4 +51,13 @@ void configureRusefiLuaUtilHooks(lua_State* l) {
 */
 }
 
-
+void * hackEngineConfigurationPointer(void *ptr) {
+	// we know that 'engineConfiguration' was null at the time of initialization in unit tests
+#if EFI_UNIT_TEST
+			intptr_t offset = (intptr_t)ptr;
+			void * valuePtr = (void *)engineConfiguration + offset;
+			return valuePtr;
+#else
+			return ptr;
+#endif
+}

firmware/controllers/lua/value_lookup.h

@@ -27,3 +27,5 @@ plain_get_float_s * findFloat(const char *name);
 float getConfigValueByName(const char *name);
 void setConfigValueByName(const char *name, float value);
 float getOutputValueByName(const char *name);
+
+void * hackEngineConfigurationPointer(void *ptr);