+/**
+ * @brief Sets the lua path to include "./lualibs/?.lua", in order for a script to be
+ * able to do "require('foobar')" if foobar.lua is within lualibs folder.
+ * Taken from http://stackoverflow.com/questions/4125971/setting-the-global-lua-path-variable-from-c-c
+ * @param L
+ * @param path
+ * @return
+ */
+int setLuaPath( lua_State* L, const char* path )
+{
+ lua_getglobal( L, "package" );
+ lua_getfield( L, -1, "path" ); // get field "path" from table at top of stack (-1)
+ const char* cur_path = lua_tostring( L, -1 ); // grab path string from top of stack
+ int requiredLength = strlen(cur_path)+ strlen(path)+10; //A few bytes too many, whatever we can afford it
+ char * buf = malloc(requiredLength);
+ snprintf(buf, requiredLength, "%s;%s", cur_path, path);
+ lua_pop( L, 1 ); // get rid of the string on the stack we just pushed on line 5
+ lua_pushstring( L, buf ); // push the new one
+ lua_setfield( L, -2, "path" ); // set the field "path" in table at -2 with value at top of stack
+ lua_pop( L, 1 ); // get rid of package table from top of stack
+ return 0; // all done!
+}
+
+