fix warnings

git-svn-id: svn+ssh://llin/home/dpavlin/private/svn/Redis@55 447b33ff-793d-4489-8442-9bea7d161be5

diff --git a/lib/Redis.pm b/lib/Redis.pm
index a35d14e..6a6d278 100644 (file)
--- a/lib/Redis.pm
+++ b/lib/Redis.pm
@@ -83,12 +83,13 @@ sub AUTOLOAD {
 
        if ( defined $bulk_command->{$command} ) {
                my $value = pop;
+               $value = '' if ! defined $value;
                $send
                        = uc($command)
                        . ' '
                        . join(' ', @_)
                        . ' ' 
-                       . length($value)
+                       . length( $value )
                        . "\r\n$value\r\n"
                        ;
        } else {
@@ -121,7 +122,9 @@ sub AUTOLOAD {
                }
                return $hash;
        } elsif ( $command eq 'keys' ) {
-               return split(/\s/, __sock_read_bulk($result));
+               my $keys = __sock_read_bulk($result);
+               return split(/\s/, $keys) if $keys;
+               return;
        }
 
        if ( $type eq '-' ) {