diff -ru libspf2-1.2.5/src/libspf2/spf_compile.c libspf2-1.2.5_patched/src/libspf2/spf_compile.c
--- libspf2-1.2.5/src/libspf2/spf_compile.c	2005-02-24 04:40:31.000000000 +0100
+++ libspf2-1.2.5_patched/src/libspf2/spf_compile.c	2006-08-19 01:49:51.000000000 +0200
@@ -469,8 +469,8 @@
 			if ( p + len > end )	/* Don't re-parse the CIDR mask */
 				len = end - p;
 			if (spf_server->debug)
-				SPF_debugf("Adding string literal (%d): '%*.*s'",
-								len, len, len, p);
+				SPF_debugf("Adding string literal (%zd): '%*.*s'",
+								len, (int)len, (int)len, p);
 			memcpy( dst, p, len );
 			ds_len += len;
 			dst += len;
diff -ru libspf2-1.2.5/src/libspf2/spf_id2str.c libspf2-1.2.5_patched/src/libspf2/spf_id2str.c
--- libspf2-1.2.5/src/libspf2/spf_id2str.c	2005-02-24 04:33:16.000000000 +0100
+++ libspf2-1.2.5_patched/src/libspf2/spf_id2str.c	2006-08-19 01:50:10.000000000 +0200
@@ -309,7 +309,7 @@
 	p_end = *bufp + *buflenp;
 
 	if (debug)
-		SPF_debugf("stringify: Buffer length is %d\n", *buflenp);
+		SPF_debugf("stringify: Buffer length is %zd\n", *buflenp);
 
 
 	/*
diff -ru libspf2-1.2.5/src/libspf2/spf_print.c libspf2-1.2.5_patched/src/libspf2/spf_print.c
--- libspf2-1.2.5/src/libspf2/spf_print.c	2004-08-31 18:02:39.000000000 +0200
+++ libspf2-1.2.5_patched/src/libspf2/spf_print.c	2006-08-19 01:50:42.000000000 +0200
@@ -54,7 +54,7 @@
 		return SPF_E_SUCCESS;
 	}
 
-    SPF_infof( "SPF header:  version: %d  mech %d/%d  mod %d/%d  len=%d",
+    SPF_infof( "SPF header:  version: %d  mech %d/%zd  mod %d/%zd  len=%lu",
 	    spf_record->version,
 	    spf_record->num_mech, spf_record->mech_len, 
 	    spf_record->num_mod, spf_record->mod_len,
@@ -81,7 +81,7 @@
 void SPF_print_sizeof(void)
 {
     // SPF_infof( "sizeof(SPF_rec_header_t)=%u", sizeof(SPF_rec_header_t));
-    SPF_infof( "sizeof(SPF_mech_t)=%u", sizeof(SPF_mech_t));
-    SPF_infof( "sizeof(SPF_data_t)=%u", sizeof(SPF_data_t));
-    SPF_infof( "sizeof(SPF_mod_t)=%u", sizeof(SPF_mod_t));
+    SPF_infof( "sizeof(SPF_mech_t)=%lu", sizeof(SPF_mech_t));
+    SPF_infof( "sizeof(SPF_data_t)=%lu", sizeof(SPF_data_t));
+    SPF_infof( "sizeof(SPF_mod_t)=%lu", sizeof(SPF_mod_t));
 }