Make sure struct sockaddr_in gets completely initialized by setting it to zero

before setting the few fields we are interested in; Doug Hogan

diff --git a/regress/sys/kern/rcvtimeo/rcvtimeo.c b/regress/sys/kern/rcvtimeo/rcvtimeo.c
index 2dcb00f..72d2283 100644 (file)
--- a/regress/sys/kern/rcvtimeo/rcvtimeo.c
+++ b/regress/sys/kern/rcvtimeo/rcvtimeo.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: rcvtimeo.c,v 1.4 2003/09/02 23:52:17 david Exp $      */
+/*     $OpenBSD: rcvtimeo.c,v 1.5 2014/07/19 18:11:12 miod Exp $       */
 
 /*     Written by Michael Shalayeff, 2002, Public Domain */
 
@@ -11,6 +11,7 @@
 #include <unistd.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <errno.h>
 #include <err.h>
 
@@ -40,6 +41,7 @@ main(int argc, char *argv[])
        if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
                err(1, "socket");
 
+       memset(&sin, 0, sizeof(sin));
        sin.sin_len = sizeof(sin);
        sin.sin_family = AF_INET;
        sin.sin_port = htons(30000);    /* XXX assuming nothing is there */