--- ftgzip.c.orig	2003-02-08 10:13:03.000000000 -0600
+++ ftgzip.c	2003-02-08 10:14:21.000000000 -0600
@@ -452,6 +452,9 @@
       FT_ULong   delta;
 
       delta = (FT_ULong)( zip->limit - zip->cursor );
+      if ( delta == 0 )
+        break;
+
       if ( delta >= count )
         delta = count;