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coreutils/tests/misc/ptx-overrun
Jim Meyering 68561594ca tests: use "Exit $fail", not (exit $fail); exit $fail
* tests/test-lib.sh (Exit): New function by Ralf Wildenhues in automake
http://git.sv.gnu.org/gitweb/?p=automake.git;a=commitdiff;h=20594c08f63
* tests/**: Convert all uses:

This restrictive change converted the vast majority:

  git grep -l '^(exit \$fail); exit \$fail$' \
    | xargs perl -pi -e 's/'^\(exit \$fail\); exit \$fail$/Exit \$fail/'

And this did the rest, plus a few undesirable ones, so I manually
backed out the changes to ChangeLog-* and build-aux/check.mk:

  git grep -l -E '\(exit [^)]+\); exit ' \
    | xargs perl -pi -e 's/\(exit (.+?)\); exit \1/Exit $1/'
2008-09-10 13:20:10 +02:00

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#!/bin/sh
# Trigger a heap-clobbering bug in ptx from coreutils-6.10 and earlier.
# Copyright (C) 2008 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 <http://www.gnu.org/licenses/>.
if test "$VERBOSE" = yes; then
set -x
ptx --version
fi
. $srcdir/test-lib.sh
# Using a long file name makes an abort more likely.
# Even with no file name, valgrind detects the buffer overrun.
f=01234567890123456789012345678901234567890123456789
touch $f empty || framework_failure
fail=0
# Specifying a regular expression ending in a lone backslash
# would cause ptx to write beyond the end of a malloc'd buffer.
ptx -F '\' $f < /dev/null > out || fail=1
ptx -S 'foo\' $f < /dev/null >> out || fail=1
ptx -W 'bar\\\' $f < /dev/null >> out || fail=1
compare out empty || fail=1
Exit $fail