From 2fcffaeee37416708fab505209a55ddd32846463 Mon Sep 17 00:00:00 2001
From: "Arnold D. Robbins" <arnold@skeeve.com>
Date: Fri, 13 Sep 2013 15:37:25 +0300
Subject: Fix problem when extending NF. See test/nfloop.

---
 builtin.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'builtin.c')

diff --git a/builtin.c b/builtin.c
index eb823ac1..9258ea60 100644
--- a/builtin.c
+++ b/builtin.c
@@ -2159,7 +2159,7 @@ do_print_rec(int nargs, int redirtype)
 
 	f0 = fields_arr[0];
 
-	if (do_lint && f0 == Nnull_string)
+	if (do_lint && (f0->flags & NULL_FIELD) != 0)
 		lintwarn(_("reference to uninitialized field `$%d'"), 0);
 
 	efwrite(f0->stptr, sizeof(char), f0->stlen, fp, "print", rp, false);
-- 
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