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-rw-r--r--gnu/usr.bin/perl/ext/re/re.pm24
1 files changed, 11 insertions, 13 deletions
diff --git a/gnu/usr.bin/perl/ext/re/re.pm b/gnu/usr.bin/perl/ext/re/re.pm
index 83e7dbafe56..3f142d9de48 100644
--- a/gnu/usr.bin/perl/ext/re/re.pm
+++ b/gnu/usr.bin/perl/ext/re/re.pm
@@ -41,11 +41,11 @@ on tainted data aren't meant to extract safe substrings, but to perform
other transformations.
When C<use re 'eval'> is in effect, a regex is allowed to contain
-C<(?{ ... })> zero-width assertions even if the regex contains
-variable interpolation. This is normally disallowed, since it is a
+C<(?{ ... })> zero-width assertions even if regular expression contains
+variable interpolation. That is normally disallowed, since it is a
potential security risk. Note that this pragma is ignored when the regular
expression is obtained from tainted data, i.e. evaluation is always
-disallowed with tainted regular expressions. See L<perlre/(?{ code })>.
+disallowed with tainted regular expresssions. See L<perlre/(?{ code })>.
For the purpose of this pragma, interpolation of precompiled regular
expressions (i.e., the result of C<qr//>) is I<not> considered variable
@@ -74,6 +74,8 @@ See L<perlmodlib/Pragmatic Modules>.
=cut
+# N.B. File::Basename contains a literal for 'taint' as a fallback. If
+# taint is changed here, File::Basename must be updated as well.
my %bitmask = (
taint => 0x00100000,
eval => 0x00200000,
@@ -84,16 +86,13 @@ sub setcolor {
require Term::Cap;
my $terminal = Tgetent Term::Cap ({OSPEED => 9600}); # Avoid warning.
- my $props = $ENV{PERL_RE_TC} || 'md,me,so,se'; # can use us/ue later
+ my $props = $ENV{PERL_RE_TC} || 'md,me,so,se,us,ue';
my @props = split /,/, $props;
+ my $colors = join "\t", map {$terminal->Tputs($_,1)} @props;
-
- $ENV{TERMCAP_COLORS} = join "\t", map {$terminal->Tputs($_,1)} @props;
+ $colors =~ s/\0//g;
+ $ENV{PERL_RE_COLORS} = $colors;
};
-
- not defined $ENV{TERMCAP_COLORS} or ($ENV{TERMCAP_COLORS} =~ tr/\t/\t/) >= 4
- or not defined $ENV{PERL_RE_TC}
- or die "Not enough fields in \$ENV{PERL_RE_TC}=`$ENV{PERL_RE_TC}'";
}
sub bits {
@@ -106,9 +105,8 @@ sub bits {
foreach my $s (@_){
if ($s eq 'debug' or $s eq 'debugcolor') {
setcolor() if $s eq 'debugcolor';
- require DynaLoader;
- @ISA = ('DynaLoader');
- bootstrap re;
+ require XSLoader;
+ XSLoader::load('re');
install() if $on;
uninstall() unless $on;
next;