svn commit: r311572 - in head/usr.bin/cmp: . tests
Alan Somers
asomers at FreeBSD.org
Sat Jan 7 00:59:07 UTC 2017
Author: asomers
Date: Sat Jan 7 00:59:06 2017
New Revision: 311572
URL: https://svnweb.freebsd.org/changeset/base/311572
Log:
Fix file descriptor leaks in cmp(1)
Also, add a few test cases
Reported by: Coverity
CID: 271624 275338
Reviewed by: ngie
MFC after: 4 weeks
Sponsored by: Spectra Logic Corp
Differential Revision: https://reviews.freebsd.org/D9074
Added:
head/usr.bin/cmp/tests/cmp_test2.sh (contents, props changed)
Modified:
head/usr.bin/cmp/special.c
head/usr.bin/cmp/tests/Makefile
Modified: head/usr.bin/cmp/special.c
==============================================================================
--- head/usr.bin/cmp/special.c Sat Jan 7 00:18:51 2017 (r311571)
+++ head/usr.bin/cmp/special.c Sat Jan 7 00:59:06 2017 (r311572)
@@ -99,6 +99,8 @@ eof: if (ferror(fp1))
} else
if (feof(fp2))
eofmsg(file2);
+ fclose(fp2);
+ fclose(fp1);
if (dfound)
exit(DIFF_EXIT);
}
Modified: head/usr.bin/cmp/tests/Makefile
==============================================================================
--- head/usr.bin/cmp/tests/Makefile Sat Jan 7 00:18:51 2017 (r311571)
+++ head/usr.bin/cmp/tests/Makefile Sat Jan 7 00:59:06 2017 (r311572)
@@ -2,6 +2,7 @@
.include <bsd.own.mk>
+ATF_TESTS_SH+= cmp_test2
NETBSD_ATF_TESTS_SH= cmp_test
.include <netbsd-tests.test.mk>
Added: head/usr.bin/cmp/tests/cmp_test2.sh
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/usr.bin/cmp/tests/cmp_test2.sh Sat Jan 7 00:59:06 2017 (r311572)
@@ -0,0 +1,67 @@
+# Copyright (c) 2017 Alan Somers
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+# $FreeBSD$
+
+atf_test_case special
+special_head() {
+ atf_set "descr" "Test cmp(1)'s handling of non-regular files"
+}
+special_body() {
+ echo 0123456789abcdef > a
+ echo 0123456789abcdeg > b
+ cat a | atf_check -s exit:0 cmp a -
+ cat a | atf_check -s exit:0 cmp - a
+ cat b | atf_check -s not-exit:0 cmp a -
+ cat b | atf_check -s not-exit:0 cmp - a
+ true
+}
+
+atf_test_case symlink
+symlink_head() {
+ atf_set "descr" "Test cmp(1)'s handling of symlinks"
+}
+symlink_body() {
+ echo 0123456789abcdef > a
+ echo 0123456789abcdeg > b
+ ln -s a a.lnk
+ ln -s b b.lnk
+ ln -s a a2.lnk
+ cp a adup
+ ln -s adup adup.lnk
+ atf_check -s exit:0 cmp a a.lnk
+ atf_check -s exit:0 cmp a.lnk a
+ atf_check -s not-exit:0 -o ignore cmp a b.lnk
+ atf_check -s not-exit:0 -o ignore cmp b.lnk a
+ atf_check -s not-exit:0 -o ignore -e ignore cmp -h a a.lnk
+ atf_check -s not-exit:0 -o ignore -e ignore cmp -h a.lnk a
+ atf_check -s exit:0 cmp -h a.lnk a2.lnk
+ atf_check -s not-exit:0 -o ignore -e ignore cmp -h a.lnk adup.lnk
+}
+
+atf_init_test_cases()
+{
+ atf_add_test_case special
+ atf_add_test_case symlink
+}
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