$NetBSD: patch-ap,v 1.1.1.1 2005/01/13 14:26:23 hfath Exp $

--- nnrpd/post.c.orig	Tue Dec  9 00:48:50 1997
+++ nnrpd/post.c
@@ -525,7 +525,7 @@ CheckIncludedText(p, lines)
 	    i--;
 	    break;
 	}
-	if ((p = strchr(p + 1, '\n')) == NULL)
+	if (*p == '\0' || (p = strchr(p + 1, '\n')) == NULL)
 	    break;
     }
     if ((i * 2 > lines) && (lines > 40))
