From fe0b0092185401581ba11b44f08520bad87fbeda Mon Sep 17 00:00:00 2001
From: Ingo Schwarze <schwarze@openbsd.org>
Date: Thu, 19 Aug 2021 16:55:31 +0000
Subject: do not crash when a manpath directory contains a symbolic link that
 points to a directory rather than to a regular file; bug reported by Lukas
 Epple <sternenseemann at systemli dot org>, and my patch also tested by him
 on NixOS

---
 mandocdb.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/mandocdb.c b/mandocdb.c
index 0ef661b2..a3360fe4 100644
--- a/mandocdb.c
+++ b/mandocdb.c
@@ -1,4 +1,4 @@
-/* $Id: mandocdb.c,v 1.268 2021/08/07 13:02:10 schwarze Exp $ */
+/* $Id: mandocdb.c,v 1.269 2021/08/19 16:55:31 schwarze Exp $ */
 /*
  * Copyright (c) 2011-2020 Ingo Schwarze <schwarze@openbsd.org>
  * Copyright (c) 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
@@ -629,6 +629,8 @@ treescan(void)
 					say(path, "&stat");
 				continue;
 			}
+			if ((ff->fts_statp->st_mode & S_IFMT) != S_IFREG)
+				continue;
 			/* FALLTHROUGH */
 
 		/*
-- 
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