43 lines
1.5 KiB
Bash
Executable file
43 lines
1.5 KiB
Bash
Executable file
#!/bin/sh
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# exercise cp's short-read failure when operating on >4KB files in /proc
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# Copyright (C) 2009-2025 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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proc_large=/proc/cpuinfo # usually > 4KiB
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test -r $proc_large || skip_ "your system lacks $proc_large"
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# Before coreutils-7.3, cp would copy less than 4KiB of this file.
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# Skip this test when run under QEmu emulation where emulated /proc files
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# have unstable inode numbers.
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cp $proc_large 1 2>err \
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|| { fail=1
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grep 'replaced while being copied' err \
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&& skip_ "File $proc_large is being replaced while being copied"; }
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cat $proc_large > 2 || fail=1
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# adjust varying parts
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del_varying='/MHz/d; /[Bb][Oo][Gg][Oo][Mm][Ii][Pp][Ss]/d;'
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sed "$del_varying" 1 > proc.cp || framework_failure_
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sed "$del_varying" 2 > proc.cat || framework_failure_
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compare proc.cp proc.cat || fail=1
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Exit $fail
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