From ae5846448f73d90ba9bd01cc9edc94bc0b168e46 Mon Sep 17 00:00:00 2001 From: Pádraig Brady Date: Fri, 22 Jun 2012 09:32:34 +0100 Subject: split: ensure output doesn't overwrite input MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * src/split.c (create): Check if output file is the same inode as the input file. * tests/split/guard-input: New test case. * tests/Makefile.am: Reference new test case. * NEWS: Mention the fix. Improved-by: Jim Meyering Reported-by: François Pinard --- tests/split/guard-input | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100755 tests/split/guard-input (limited to 'tests/split') diff --git a/tests/split/guard-input b/tests/split/guard-input new file mode 100755 index 000000000..7a6fba3f5 --- /dev/null +++ b/tests/split/guard-input @@ -0,0 +1,33 @@ +#!/bin/sh +# ensure split doesn't overwrite input with output. + +# Copyright (C) 2012 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 . + +. "${srcdir=.}/init.sh"; path_prepend_ ../src +print_ver_ split + +seq 10 | tee exp-1 > xaa +ln -s xaa in2 +ln xaa in3 + +split -C 6 xaa && fail=1 +split -C 6 in2 && fail=1 +split -C 6 in3 && fail=1 +split -C 6 - < xaa && fail=1 + +compare exp-1 xaa || fail=1 + +Exit $fail -- cgit v1.2.3-54-g00ecf