fprintf(f, ": %s%.*s%s\n", color_on, (int) message_len, message, color_off);
else
fprintf(f, ": %s%s%s\n", color_on, e, color_off);
fprintf(f, ": %s%.*s%s\n", color_on, (int) message_len, message, color_off);
else
fprintf(f, ": %s%s%s\n", color_on, e, color_off);