common/funcs/tst.badfreopen.ksh

#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#

#
# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.
#
#ident  "%Z%%M% %I% %E% SMI"

script()
{
    $dtrace -wq -o $tmpfile -s /dev/stdin 2> $errfile <<EOF
    BEGIN
    {
        /*
         * All of these should fail...
         */
        freopen("..");
        freopen("%s", ".");
        freopen("%c%c", '.', '.');
        freopen("%c", '.');

        /*
         * ...so stdout should still be open here.
         */
        printf("%d", ++i);

        freopen("%s%s", ".", ".");
        freopen("%s%s", ".", ".");

        printf("%d", ++i);
    }

    BEGIN
    /i == 2/
    {
        /*
         * ...and here.
         */
        printf("%d\n", ++i);
        exit(0);
    }

    BEGIN
    {
        exit(1);
    }
EOF
}

if [ $# != 1 ]; then
    echo expected one argument: '<'dtrace-path'>'
    exit 2
fi

dtrace=$1
tmpfile=/tmp/tst.badfreopen.$$
errfile=/tmp/tst.badfreopen.$$.stderr

script
status=$?

if [ "$status" -eq 0 ]; then
    i=`cat $tmpfile`

    if [[ $i != "123" ]]; then
        echo "$0: unexpected contents in $tmpfile: " \
            "expected 123, found $i"
        status=100
    fi

    i=`wc -l $errfile | nawk '{ print $1 }'`

    if [ "$i" -lt 6 ]; then
        echo "$0: expected at least 6 lines of stderr, found $i lines"
        status=101
    fi
else
    cat $errfile > /dev/fd/2
fi

rm $tmpfile $errfile

exit $status