diff options
Diffstat (limited to 'tests/misc/truncate-overflow')
-rwxr-xr-x | tests/misc/truncate-overflow | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/tests/misc/truncate-overflow b/tests/misc/truncate-overflow new file mode 100755 index 000000000..5dbbf38cd --- /dev/null +++ b/tests/misc/truncate-overflow @@ -0,0 +1,55 @@ +#!/bin/sh +# Validate truncate integer overflow + +# 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 + truncate --version +fi + +. $srcdir/test-lib.sh + +fail=0 + +# -= overflow +truncate -s-1 create-zero-len-file || fail=1 + +echo > non-empty-file + +truncate -s2147483648 -c no-such-file && _FILE_OFFSET_BITS=64 + +if [ $_FILE_OFFSET_BITS -eq 64 ]; then + # signed overflow + truncate -s9223372036854775808 file && fail=1 + + # *= signed overflow + truncate --io-blocks --size="1E" file && fail=1 + + # += signed overflow + truncate -s+9223372036854775807 non-empty-file && fail=1 +else + # signed overflow + truncate -s2147483648 file && fail=1 + + # *= signed overflow + truncate --io-blocks --size="1G" file && fail=1 + + # += signed overflow + truncate -s+2147483647 non-empty-file && fail=1 +fi + +(exit $fail); exit $fail |