- lbuf_init(&defs, output, 4, NULL, sudo_user.cols);
- lbuf_init(&privs, output, 4, NULL, sudo_user.cols);
+ cols = sudo_user.cols;
+ if (fstat(STDOUT_FILENO, &sb) == 0 && S_ISFIFO(sb.st_mode))
+ cols = 0;
+ lbuf_init(&defs, output, 4, NULL, cols);
+ lbuf_init(&privs, output, 4, NULL, cols);