| # ensure that dd's iflag=direct and oflag=direct work | |
| # Copyright (C) 2009-2025 Free Software Foundation, Inc. | |
| # This program is free software: you can redistribute it and/or modify | |
| # it under the terms of the GNU General Public License as published by | |
| # the Free Software Foundation, either version 3 of the License, or | |
| # (at your option) any later version. | |
| # This program is distributed in the hope that it will be useful, | |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| # GNU General Public License for more details. | |
| # You should have received a copy of the GNU General Public License | |
| # along with this program. If not, see <https://www.gnu.org/licenses/>. | |
| . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src | |
| print_ver_ dd | |
| truncate -s 8192 in || framework_failure_ | |
| dd if=in oflag=direct of=out 2> /dev/null \ | |
| || skip_ '512 byte aligned O_DIRECT is not supported on this (file) system' | |
| truncate -s 511 short || framework_failure_ | |
| truncate -s 8191 m1 || framework_failure_ | |
| truncate -s 8193 p1 || framework_failure_ | |
| for i in short m1 p1; do | |
| rm -f out | |
| dd if=$i iflag=direct oflag=direct of=out || fail=1 | |
| done | |
| Exit $fail | |