42 lines
1.4 KiB
Bash
Executable file
42 lines
1.4 KiB
Bash
Executable file
#!/bin/sh
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# ensure that cp --preserve=link --link doesn't waste heap
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# Copyright (C) 2008-2025 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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. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
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print_ver_ cp
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expensive_
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# Determine basic amount of memory needed for 'cp -al'.
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touch f || framework_failure_
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vm=$(get_min_ulimit_v_ cp -al f f2) \
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|| skip_ 'shell lacks ulimit, or ASAN enabled'
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rm f f2 || framework_failure_
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a=$(printf %031d 0)
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b=$(printf %031d 1)
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(mkdir $a \
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&& cd $a \
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&& seq --format=%031g 10000 |xargs touch \
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&& seq --format=d%030g 10000 |xargs mkdir ) || framework_failure_
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cp -al $a $b || framework_failure_
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mkdir e || framework_failure_
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mv $a $b e || framework_failure_
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# Allow cp(1) to use 4MiB more virtual memory than for the above trivial case.
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(ulimit -v $(($vm+4000)) && cp -al e f) || fail=1
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Exit $fail
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