From 0cda6339a4687234bd68d66713a3be59cbedbeec Mon Sep 17 00:00:00 2001
From: yangfl <yangfl@users.noreply.github.com>
Date: Tue, 25 Jan 2022 21:04:39 +0800
Subject: [PATCH] Fix fisdir sigfault on Hurd

Apparently Hurd's stat() does not like NULL and will sigfault, this patch takes
care of it.
---
 src/fisdir.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/fisdir.c b/src/fisdir.c
index 1626eee..fd5384d 100644
--- a/src/fisdir.c
+++ b/src/fisdir.c
@@ -41,7 +41,7 @@ int fisdir(const char *path)
 {
 	struct stat sb;
 
-	if (!stat(path, &sb) && S_ISDIR(sb.st_mode))
+	if (path && !stat(path, &sb) && S_ISDIR(sb.st_mode))
 		return 1;
 
 	return 0;