From 0a24be213addfb32a8fdfc880fc2649f27d0b9ce Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Timo=20Ter=C3=A4s?= <timo.teras@iki.fi>
Date: Wed, 6 Aug 2014 14:15:15 +0300
Subject: [PATCH] make endmntent function handle null argument

The function originates from SunOS 4.x in which the null argument
is allowed. glibc also handles this case.
---
 src/misc/mntent.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/misc/mntent.c b/src/misc/mntent.c
index 3eafba5e..a16d6525 100644
--- a/src/misc/mntent.c
+++ b/src/misc/mntent.c
@@ -10,7 +10,7 @@ FILE *setmntent(const char *name, const char *mode)
 
 int endmntent(FILE *f)
 {
-	fclose(f);
+	if (f) fclose(f);
 	return 1;
 }