From d54cfbd18e97fb6c38f03984fe0a7305d84ade07 Mon Sep 17 00:00:00 2001
From: "Pedro F. Giffuni" <pfg@FreeBSD.org>
Date: Mon, 29 Jan 2018 01:05:57 +0000
Subject: [PATCH] ftp(1): Use closefrom() instead of individual close()s.

Use closefrom(3) instead of manually closing all file descriptors
between 3 and 19.

Obtained from:	OpenBSD (CVS 1.80)
---
 contrib/tnftp/src/cmds.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/contrib/tnftp/src/cmds.c b/contrib/tnftp/src/cmds.c
index 7be3a7782a17..a92d8c5672b6 100644
--- a/contrib/tnftp/src/cmds.c
+++ b/contrib/tnftp/src/cmds.c
@@ -1438,8 +1438,7 @@ shell(int argc, char *argv[])
 	}
 	oldintr = xsignal(SIGINT, SIG_IGN);
 	if ((pid = fork()) == 0) {
-		for (pid = 3; pid < 20; pid++)
-			(void)close(pid);
+		(void)closefrom(3);
 		(void)xsignal(SIGINT, SIG_DFL);
 		shellp = getenv("SHELL");
 		if (shellp == NULL)