From 900b62a2e96228d75c3552e04e81fd12f474a1d3 Mon Sep 17 00:00:00 2001
From: naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 22 Oct 2012 00:47:50 +0000
Subject: [PATCH] Supress warnings: unused variables

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37283 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/pty/pty.c        | 15 ++++++++-------
 ext/socket/ancdata.c |  4 ++++
 2 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/ext/pty/pty.c b/ext/pty/pty.c
index e20c02bfac..7ea2e1aaf5 100644
--- a/ext/pty/pty.c
+++ b/ext/pty/pty.c
@@ -223,7 +223,6 @@ get_device_once(int *master, int *slave, char SlaveName[DEVICELEN], int nomesg,
     int masterfd = -1, slavefd = -1;
     char *slavedevice;
     struct sigaction dfl, old;
-    int flags;
 
     dfl.sa_handler = SIG_DFL;
     dfl.sa_flags = 0;
@@ -238,14 +237,16 @@ get_device_once(int *master, int *slave, char SlaveName[DEVICELEN], int nomesg,
     if (grantpt(masterfd) == -1) goto grantpt_error;
     rb_fd_fix_cloexec(masterfd);
 #else
-    flags = O_RDWR|O_NOCTTY;
+    {
+	int flags = O_RDWR|O_NOCTTY;
 # if defined(O_CLOEXEC)
-    /* glibc posix_openpt() in GNU/Linux calls open("/dev/ptmx", flags) internally.
-     * So version dependency on GNU/Linux is same as O_CLOEXEC with open().
-     * O_CLOEXEC is available since Linux 2.6.23.  Linux 2.6.18 silently ignore it. */
-    flags |= O_CLOEXEC;
+	/* glibc posix_openpt() in GNU/Linux calls open("/dev/ptmx", flags) internally.
+	 * So version dependency on GNU/Linux is same as O_CLOEXEC with open().
+	 * O_CLOEXEC is available since Linux 2.6.23.  Linux 2.6.18 silently ignore it. */
+	flags |= O_CLOEXEC;
 # endif
-    if ((masterfd = posix_openpt(flags)) == -1) goto error;
+	if ((masterfd = posix_openpt(flags)) == -1) goto error;
+    }
     rb_fd_fix_cloexec(masterfd);
     if (sigaction(SIGCHLD, &dfl, &old) == -1) goto error;
     if (grantpt(masterfd) == -1) goto grantpt_error;
diff --git a/ext/socket/ancdata.c b/ext/socket/ancdata.c
index 4ba339a83d..050da974c4 100644
--- a/ext/socket/ancdata.c
+++ b/ext/socket/ancdata.c
@@ -1163,8 +1163,10 @@ bsock_sendmsg_internal(int argc, VALUE *argv, VALUE sock, int nonblock)
 #if defined(HAVE_ST_MSG_CONTROL)
 	int i;
 	size_t last_pad = 0;
+#if defined(__NetBSD__)
         int last_level = 0;
         int last_type = 0;
+#endif
         controls_str = rb_str_tmp_new(0);
         for (i = 0; i < controls_num; i++) {
             VALUE elt = controls_ptr[i], v;
@@ -1203,8 +1205,10 @@ bsock_sendmsg_internal(int argc, VALUE *argv, VALUE sock, int nonblock)
             cmh.cmsg_len = (socklen_t)CMSG_LEN(RSTRING_LEN(cdata));
             MEMCPY(cmsg, &cmh, char, sizeof(cmh));
             MEMCPY(cmsg+((char*)CMSG_DATA(&cmh)-(char*)&cmh), RSTRING_PTR(cdata), char, RSTRING_LEN(cdata));
+#if defined(__NetBSD__)
             last_level = cmh.cmsg_level;
             last_type = cmh.cmsg_type;
+#endif
 	    last_pad = cspace - cmh.cmsg_len;
         }
 	if (last_pad) {