From 8961016f90841244d765ca6fc78629712f0550ca Mon Sep 17 00:00:00 2001
From: Brian Candler <b.candler@pobox.com>
Date: Mon, 22 Dec 2014 18:02:14 +0000
Subject: [PATCH] Ignore set_test_zerocopy if host does not support it

---
 src/iperf_api.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/iperf_api.c b/src/iperf_api.c
index f56d775..55660c9 100644
--- a/src/iperf_api.c
+++ b/src/iperf_api.c
@@ -390,7 +390,7 @@ iperf_has_zerocopy( void )
 void
 iperf_set_test_zerocopy(struct iperf_test *ipt, int zerocopy)
 {
-    ipt->zerocopy = zerocopy;
+    ipt->zerocopy = (zerocopy && has_sendfile());
 }
 
 void