Fix for Bug 3666, Overriding renewal limit means negative count in OPAC

Setting "renewalsleft" variable to zero if it comes out negative.

Signed-off-by: Galen Charlton <gmcharlt@gmail.com>

diff --git a/C4/Circulation.pm b/C4/Circulation.pm
index bceee8b..395494f 100644 (file)
--- a/C4/Circulation.pm
+++ b/C4/Circulation.pm
@@ -2242,6 +2242,7 @@ sub GetRenewCount {
     
     $renewsallowed = $issuingrule->{'renewalsallowed'};
     $renewsleft    = $renewsallowed - $renewcount;
+    if($renewsleft < 0){ $renewsleft = 0; }
     return ( $renewcount, $renewsallowed, $renewsleft );
 }