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1644e58905
Introduced by commit 790892db, 2006-06-08 "Ensure that cat works ...".
* NEWS: Mention the bugfix.
* src/cat.c (cat): Fix the typo which stopped the writing
of processed data before a blocking read() is done.
* tests/misc/cat-buf: Add to ensure processed data is not buffered.
* tests/Makefile.am: Reference the new test.
42 lines
1.2 KiB
Bash
Executable File
42 lines
1.2 KiB
Bash
Executable File
#!/bin/sh
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# Ensure that cat outputs processed data immediately.
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# Copyright (C) 2009 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 <http://www.gnu.org/licenses/>.
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if test "$VERBOSE" = yes; then
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set -x
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cat --version
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fi
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. $srcdir/test-lib.sh
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# Use a fifo rather than a pipe in the tests below
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# so that the producer (cat) will wait until the
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# consumer (dd) opens the fifo therefore increasing
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# the chance that dd will read the data from each
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# write separately.
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mkfifo fifo || framework_failure
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echo '1' > exp
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dd count=1 if=fifo > out 2> err&
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(echo '1'; sleep .2; echo '2') | cat -v > fifo
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wait #for dd to complete
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compare out exp || fail=1
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Exit $fail
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