| #!/bin/sh |
| # Before gzip-1.4, this the use of memcpy in inflate_codes could |
| # mistakenly operate on overlapping regions. Exercise that code. |
| |
| # Copyright (C) 2010-2016 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/>. |
| # limit so don't run it by default. |
| |
| . "${srcdir=.}/init.sh"; path_prepend_ . |
| |
| # The input must be larger than 32KiB and slightly |
| # less uniform than e.g., all zeros. |
| printf wxy%032767d 0 | tee in | gzip > in.gz || framework_failure_ |
| |
| fail=0 |
| |
| # Before the fix, this would call memcpy with overlapping regions. |
| gzip -dc in.gz > out || fail=1 |
| |
| compare in out || fail=1 |
| |
| Exit $fail |
