X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/335a6a59e66ee7c2cf0c68c659259b885f7e8a07..c9e65fded187f7160a6345ea7f697402c246be06:/IkiWiki/Plugin/img.pm

diff --git a/IkiWiki/Plugin/img.pm b/IkiWiki/Plugin/img.pm
index 748d28ace..395890c0e 100644
--- a/IkiWiki/Plugin/img.pm
+++ b/IkiWiki/Plugin/img.pm
@@ -9,11 +9,20 @@ use IkiWiki 2.00;
 
 my %imgdefaults;
 
-sub import { #{{{
+sub import {
+	hook(type => "getsetup", id => "img", call => \&getsetup);
 	hook(type => "preprocess", id => "img", call => \&preprocess, scan => 1);
-} #}}}
+}
 
-sub preprocess (@) { #{{{
+sub getsetup () {
+	return
+		plugin => {
+			safe => 1,
+			rebuild => undef,
+		},
+}
+
+sub preprocess (@) {
 	my ($image) = $_[0] =~ /$config{wiki_file_regexp}/; # untaint
 	my %params=@_;
 
@@ -56,9 +65,10 @@ sub preprocess (@) { #{{{
 	my $r;
 
 	if ($params{size} ne 'full') {
-		my ($w, $h) = ($params{size} =~ /^(\d+)x(\d+)$/);
+		my ($w, $h) = ($params{size} =~ /^(\d*)x(\d*)$/);
 		error sprintf(gettext('bad size "%s"'), $params{size})
-			unless (defined $w && defined $h);
+			unless (defined $w && defined $h &&
+			        (length $w || length $h));
 
 		my $outfile = "$config{destdir}/$dir/${w}x${h}-$base";
 		$imglink = "$dir/${w}x${h}-$base";
@@ -139,6 +149,6 @@ sub preprocess (@) { #{{{
 	else {
 		return $imgtag;
 	}
-} #}}}
+}
 
 1