- char * scrolldsc = try_malloc(size, "scroll_hint()");
- sprintf(scrolldsc, " %d %s %s ", dist, more, unit);
+ char * scrolldsc = try_malloc(size, f_name);
+ int test = sprintf(scrolldsc, " %d %s %s ", dist, more, unit);
+ exit_trouble(test < 0, f_name, "sprintf()");