usr/src/cmd/dtrace/test/tst/common/funcs/tst.badfreopen.ksh

   1 #
   2 # CDDL HEADER START
   3 #
   4 # The contents of this file are subject to the terms of the
   5 # Common Development and Distribution License (the "License").
   6 # You may not use this file except in compliance with the License.
   7 #
   8 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9 # or http://www.opensolaris.org/os/licensing.
  10 # See the License for the specific language governing permissions
  11 # and limitations under the License.
  12 #
  13 # When distributing Covered Code, include this CDDL HEADER in each
  14 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15 # If applicable, add the following below this CDDL HEADER, with the
  16 # fields enclosed by brackets "[]" replaced with your own identifying
  17 # information: Portions Copyright [yyyy] [name of copyright owner]
  18 #
  19 # CDDL HEADER END
  20 #
  21
  22 #
  23 # Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  24 # Use is subject to license terms.
  25 #
  26 #ident  "%Z%%M% %I%     %E% SMI"
  27
  28 script()
  29 {
  30         $dtrace -wq -o $tmpfile -s /dev/stdin 2> $errfile <<EOF
  31         BEGIN
  32         {
  33                 /*
  34                  * All of these should fail...
  35                  */
  36                 freopen("..");
  37                 freopen("%s", ".");
  38                 freopen("%c%c", '.', '.');
  39                 freopen("%c", '.');
  40
  41                 /*
  42                  * ...so stdout should still be open here.
  43                  */
  44                 printf("%d", ++i);
  45
  46                 freopen("%s%s", ".", ".");
  47                 freopen("%s%s", ".", ".");
  48
  49                 printf("%d", ++i);
  50         }
  51
  52         BEGIN
  53         /i == 2/
  54         {
  55                 /*
  56                  * ...and here.
  57                  */
  58                 printf("%d\n", ++i);
  59                 exit(0);
  60         }
  61
  62         BEGIN
  63         {
  64                 exit(1);
  65         }
  66 EOF
  67 }
  68
  69 if [ $# != 1 ]; then
  70         echo expected one argument: '<'dtrace-path'>'
  71         exit 2
  72 fi
  73
  74 dtrace=$1
  75 tmpfile=/tmp/tst.badfreopen.$$
  76 errfile=/tmp/tst.badfreopen.$$.stderr
  77
  78 script
  79 status=$?
  80
  81 if [ "$status" -eq 0 ]; then
  82         i=`cat $tmpfile`
  83
  84         if [[ $i != "123" ]]; then
  85                 echo "$0: unexpected contents in $tmpfile: " \
  86                     "expected 123, found $i"
  87                 status=100
  88         fi
  89
  90         i=`wc -l $errfile | nawk '{ print $1 }'`
  91
  92         if [ "$i" -lt 6 ]; then
  93                 echo "$0: expected at least 6 lines of stderr, found $i lines"
  94                 status=101
  95         fi
  96 else
  97         cat $errfile > /dev/fd/2
  98 fi
  99
 100 rm $tmpfile $errfile
 101
 102 exit $status