Cannot rely on %z printf length modifier.

hlinnaka · hlinnaka · commit 525510aea55e · 2014-10-05T09:56:58.000+03:00
Before version 9.4, we didn't require sprintf to support the %z length
modifier. Use %lu instead.

Reported by Peter Eisentraut. Apply to 9.3 and earlier.
diff --git a/src/backend/access/gist/gist.c b/src/backend/access/gist/gist.c
@@ -1408,8 +1408,9 @@ gistSplit(Relation r,
 	if (len == 1)
 		ereport(ERROR,
 				(errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED),
-			errmsg("index row size %zu exceeds maximum %zu for index \"%s\"",
-				   IndexTupleSize(itup[0]), GiSTPageSize,
+			errmsg("index row size %lu exceeds maximum %lu for index \"%s\"",
+				   (unsigned long) IndexTupleSize(itup[0]),
+				   (unsigned long) GiSTPageSize,
 				   RelationGetRelationName(r))));
 
 	memset(v.spl_lisnull, TRUE, sizeof(bool) * giststate->tupdesc->natts);
