Support feeble FreeBSD versions of dd and truncate in tests

[vbig.git] / t-extended

diff --git a/t-extended b/t-extended
index 6b1095895155330dbc962cbe9e8d7843050fbf61..b06711fdf5c0c0cc0d8981b01fc117eb1cd49379 100755 (executable)
--- a/t-extended
+++ b/t-extended
@@ -1,8 +1,25 @@
 #! /bin/sh
+#
+# This file is part of vbig.
+# Copyright (C) 2014 Richard Kettlewell
+#
+# 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/>.
+#
 set -e
 rm -f testfile
 ./vbig --seed chahthaiquiyouto --create testfile 65536
-dd if=/dev/zero of=testfile bs=256 count=1 seek=1 conv=nocreat,notrunc oflag=append status=none
+dd if=/dev/zero bs=256 count=1 seek=1 conv=notrunc >> testfile
 if ./vbig --seed chahthaiquiyouto --verify testfile 65536 2>testoutput; then
   echo >&2 ERROR: verify unexpectedly succeeded
   exit 1