From 90d81f30ec784f85daab81d746a9895b3f1f822c Mon Sep 17 00:00:00 2001
From: "Pedro F. Giffuni" <pfg@FreeBSD.org>
Date: Sat, 21 Jun 2014 14:07:33 +0000
Subject: [PATCH] Drop ifdef nonsense: just use setvbuf(3).

Pointed out by:		kib, bde
---
 usr.bin/sed/main.c | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/usr.bin/sed/main.c b/usr.bin/sed/main.c
index 4724e2530e53..eafdbe9902d5 100644
--- a/usr.bin/sed/main.c
+++ b/usr.bin/sed/main.c
@@ -162,20 +162,14 @@ main(int argc, char *argv[])
 			ispan = 0;	/* don't span across input files */
 			break;
 		case 'l':
-			if(setlinebuf(stdout) != 0)
-				warnx("setlinebuf() failed");
+			if(setvbuf(stdout, NULL, _IOLBF, 0) != 0)
+				warnx("setting line buffered output failed");
 			break;
 		case 'n':
 			nflag = 1;
 			break;
 		case 'u':
-#ifdef _IONBF
-			c = setvbuf(stdout, NULL, _IONBF, 0);
-#else
-			c = -1;
-			errno = EOPNOTSUPP;
-#endif
-			if (c)
+			if(setvbuf(stdout, NULL, _IONBF, 0) != 0)
 				warnx("setting unbuffered output failed");
 			break;
 		default: