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Collin Funk
fbd3072360
This test failure was seen on NetBSD 10.0 machine, where ulimit failed with EINVAL. * tests/dd/bytes.sh: Don't fail the test case if ulimit fails. Reported by Bruno Haible.
84 lines
2.5 KiB
Bash
Executable File
84 lines
2.5 KiB
Bash
Executable File
#!/bin/sh
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# Copyright (C) 2012-2026 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
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print_ver_ dd
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echo 0123456789abcdefghijklm > in || framework_failure_
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# count bytes
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for operands in "count=14B" "count=14 iflag=count_bytes"; do
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dd $operands conv=swab < in > out 2> /dev/null || fail=1
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case $(cat out) in
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1032547698badc) ;;
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*) fail=1 ;;
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esac
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done
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for operands in "iseek=10B" "skip=10 iflag=skip_bytes"; do
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# skip bytes
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dd $operands < in > out 2> /dev/null || fail=1
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case $(cat out) in
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abcdefghijklm) ;;
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*) fail=1 ;;
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esac
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# skip records and bytes from pipe
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echo 0123456789abcdefghijklm |
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dd $operands bs=2 > out 2> /dev/null || fail=1
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case $(cat out) in
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abcdefghijklm) ;;
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*) fail=1 ;;
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esac
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done
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truncate -s8 expected2
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printf '\0\0\0\0\0\0\0\0abcdefghijklm\n' > expected
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for operands in "oseek=8B" "seek=8 oflag=seek_bytes"; do
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# seek bytes
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echo abcdefghijklm |
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dd $operands bs=5 > out 2> /dev/null || fail=1
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compare expected out || fail=1
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# Just truncation, no I/O
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dd $operands bs=5 of=out2 count=0 2> /dev/null || fail=1
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compare expected2 out2 || fail=1
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done
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# Check multiplicative integer parsing
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for oseek in '1x2x4 oflag=seek_bytes' '1Bx2x4' '1Bx8' '2Bx4B' '2x4B'; do
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# seek bytes
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echo abcdefghijklm |
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dd oseek=$oseek bs=5 > out 2> /dev/null || fail=1
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compare expected out || fail=1
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done
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# Check that long multiplier chains don't exhaust a restricted stack.
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if (ulimit -S -s 256 && dd if=/dev/null count=1) 2>/dev/null; then
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long_multiplier=$(yes 1x | head -n 10000 | tr -d '\n')1 || framework_failure_
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(ulimit -S -s 256 && touch ulimit-worked &&
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dd count="$long_multiplier" if=/dev/null of=/dev/null status=none) \
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|| { test -f ulimit-worked && fail=1; }
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fi
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# Negative checks for integer parsing
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for count in B B1 Bx1 KBB BB KBb KBx x1 1x 1xx1; do
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returns_ 1 dd count=$count </dev/null >/dev/null || fail=1
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done
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Exit $fail
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