--- compress42.c~	2006-07-25 10:44:51.129858888 -0600
+++ compress42.c	2006-07-25 10:44:51.129858888 -0600
@@ -1723,7 +1723,7 @@
 		    		code = oldcode;
 				}
 
-				while ((cmp_code_int)code >= (cmp_code_int)256)
+				while ((cmp_code_int)code >= (cmp_code_int)256 && stackp >= htabof(0))
 				{ /* Generate output characters in reverse order */
 			    	*--stackp = tab_suffixof(code);
 			    	code = tab_prefixof(code);