message_string
if (c->message_string != NULL)
if (c->message_string != NULL || c->prompt_string != NULL)
if (c->message_string != NULL) {
free(c->message_string);
if (c->message_string == NULL && c->prompt_string == NULL)
c->message_string = s;
if (c->message_string == NULL)
free(c->message_string);
c->message_string = NULL;
msg = status_prompt_escape(c->message_string);
format_add(ft, "message", "%s", c->message_string);