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Test 8.16 in sed.test tests the ability of a sed to handle an empty

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regular expression as the first argument to a substitute command. If
used to test a sed which (erroneously) evaluates this at translation
time rather than at execution time, the bugged sed is put into an
infinite loop. This mode of failure seems excessive. Such a failing
sed is the Free Software Foundation's sed 3.02.

The specific test was also not being executed for the BSD sed.

Both problems are now fixed.

PR:		misc/25585
Submitted by:	Walter Briscoe <w.briscoe@ponl.com>
Approved by:	schweikh (mentor)
MFC after:	2 weeks
This commit is contained in:
Diomidis Spinellis 2003-07-22 19:22:08 +00:00
parent 8db0b37247
commit 37c94e1d78
3 changed files with 57 additions and 33 deletions
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30
tools/regression/usr.bin/sed/multitest.t
View File

@ -34,6 +34,8 @@
#
# @(#)sed.test 8.1 (Berkeley) 6/6/93
#
# $FreeBSD$
#
# sed Regression Tests
#
@ -430,11 +432,7 @@ test_print()
</dev/null >lines3
# GNU and SunOS sed behave differently here
mark '7.1'
if [ $BSD -eq 1 ] ; then
echo 'BSD sed drops core on this one; TEST SKIPPED'
else
$SED -n l lines3
fi
$SED -n l lines3
mark '7.2' ; $SED -e '/l2_/=' lines1 lines2
rm -f lines4
mark '7.3' ; $SED -e '3,12w lines4' lines1
@ -501,12 +499,22 @@ u2/g' lines1
fi
mark '8.15' ; $SED -e '1N;2y/\n/X/' lines1
mark '8.16'
if [ $BSD -eq 1 ] ; then
echo 'BSD sed does not handle branch defined REs'
else
echo 'eeefff' | $SED -e 'p' -e 's/e/X/p' -e ':x' \
-e 's//Y/p' -e '/f/bx'
fi
echo 'eeefff' | $SED -e '
p
s/e/X/p
:x
s//Y/p
# Establish limit counter in the hold space
# GNU sed version 3.02 enters into an infinite loop here
x
/.\{10\}/ {
s/.*/ERROR/
b
}
s/.*/&./
x
/f/bx
'
}
test_error()

30
tools/regression/usr.bin/sed/sed.test
View File

@ -34,6 +34,8 @@
#
# @(#)sed.test 8.1 (Berkeley) 6/6/93
#
# $FreeBSD$
#
# sed Regression Tests
#
@ -430,11 +432,7 @@ test_print()
</dev/null >lines3
# GNU and SunOS sed behave differently here
mark '7.1'
if [ $BSD -eq 1 ] ; then
echo 'BSD sed drops core on this one; TEST SKIPPED'
else
$SED -n l lines3
fi
$SED -n l lines3
mark '7.2' ; $SED -e '/l2_/=' lines1 lines2
rm -f lines4
mark '7.3' ; $SED -e '3,12w lines4' lines1
@ -501,12 +499,22 @@ u2/g' lines1
fi
mark '8.15' ; $SED -e '1N;2y/\n/X/' lines1
mark '8.16'
if [ $BSD -eq 1 ] ; then
echo 'BSD sed does not handle branch defined REs'
else
echo 'eeefff' | $SED -e 'p' -e 's/e/X/p' -e ':x' \
-e 's//Y/p' -e '/f/bx'
fi
echo 'eeefff' | $SED -e '
p
s/e/X/p
:x
s//Y/p
# Establish limit counter in the hold space
# GNU sed version 3.02 enters into an infinite loop here
x
/.\{10\}/ {
s/.*/ERROR/
b
}
s/.*/&./
x
/f/bx
'
}
test_error()

30
usr.bin/sed/TEST/sed.test
View File

@ -34,6 +34,8 @@
#
# @(#)sed.test 8.1 (Berkeley) 6/6/93
#
# $FreeBSD$
#
# sed Regression Tests
#
@ -430,11 +432,7 @@ test_print()
</dev/null >lines3
# GNU and SunOS sed behave differently here
mark '7.1'
if [ $BSD -eq 1 ] ; then
echo 'BSD sed drops core on this one; TEST SKIPPED'
else
$SED -n l lines3
fi
$SED -n l lines3
mark '7.2' ; $SED -e '/l2_/=' lines1 lines2
rm -f lines4
mark '7.3' ; $SED -e '3,12w lines4' lines1
@ -501,12 +499,22 @@ u2/g' lines1
fi
mark '8.15' ; $SED -e '1N;2y/\n/X/' lines1
mark '8.16'
if [ $BSD -eq 1 ] ; then
echo 'BSD sed does not handle branch defined REs'
else
echo 'eeefff' | $SED -e 'p' -e 's/e/X/p' -e ':x' \
-e 's//Y/p' -e '/f/bx'
fi
echo 'eeefff' | $SED -e '
p
s/e/X/p
:x
s//Y/p
# Establish limit counter in the hold space
# GNU sed version 3.02 enters into an infinite loop here
x
/.\{10\}/ {
s/.*/ERROR/
b
}
s/.*/&./
x
/f/bx
'
}
test_error()