--- libspf2-1.2.5/src/libspf2/spf_interpret.c	2005-02-22 03:41:27.000000000 +0000
+++ libspf2-1.2.5/src/libspf2/spf_interpret.c	2007-02-12 08:02:20.000000000 +0000
@@ -48,9 +48,9 @@
 	SPF_request_t	*spf_request;
 	SPF_record_t	*spf_record;
 	SPF_errcode_t	 err;
-	char			*buf;
-	int				 buflen;
-	int				 len;
+	char		*buf;
+	size_t		 buflen;
+	size_t		 len;
 
 	SPF_ASSERT_NOTNULL(spf_response);
 	spf_request = spf_response->spf_request;