fix second argument of MEMZERO

* ext/socket/raddrinfo.c (rb_getaddrinfo): second argument of
  MEMZERO is type.  Coverity Scan found this bug.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45087 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 6 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index a494633ec6..96e56319ac 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sat Feb 22 00:58:51 2014  Kazuhiro NISHIYAMA  <zn@mbf.nifty.com>
+
+	* ext/socket/raddrinfo.c (rb_getaddrinfo): second argument of
+	  MEMZERO is type.  Coverity Scan found this bug.
+
 Fri Feb 21 23:47:24 2014  Shugo Maeda  <shugo@ruby-lang.org>
 
 	* ext/socket/init.c (wait_connectable): break if the socket is
diff --git a/ext/socket/raddrinfo.c b/ext/socket/raddrinfo.c
index b5622738f3..ba87e24621 100644
--- a/ext/socket/raddrinfo.c
+++ b/ext/socket/raddrinfo.c
@@ -270,7 +270,7 @@ rb_getaddrinfo(const char *node, const char *service,
         ret = getaddrinfo(node, service, hints, &ai);
 #else
         struct getaddrinfo_arg arg;
-        MEMZERO(&arg, sizeof arg, 1);
+        MEMZERO(&arg, struct getaddrinfo_arg, 1);
         arg.node = node;
         arg.service = service;
         arg.hints = hints;