From 06ceca4d89f529ebf5b0568206033815027a5776 Mon Sep 17 00:00:00 2001
From: Marcel Moolenaar <marcel@FreeBSD.org>
Date: Tue, 28 Sep 1999 13:26:11 +0000
Subject: [PATCH] Explicitly use sigemptyset to clear a sigset_t. Explicit
 initialization of sa_flags allows us to lose the bzero.

---
 lib/libc/net/res_send.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/libc/net/res_send.c b/lib/libc/net/res_send.c
index fc394ca54185..15f2a13b8ffa 100644
--- a/lib/libc/net/res_send.c
+++ b/lib/libc/net/res_send.c
@@ -665,7 +665,8 @@ read_len:
 				pfd.fd = s;
 				pfd.events = POLLIN;
 				if (use_poll == 1) {
-					bzero(&sa, sizeof(sa));
+					sigemptyset(&sa.sa_mask);
+					sa.sa_flags = 0;
 					sa.sa_handler = SIG_IGN;
 					if (sigaction(SIGSYS, &sa, &osa) >= 0)
 						sigsys_installed = 1;