From b7b4e00536107c951a2642a2a1a3fe21a65510a0 Mon Sep 17 00:00:00 2001
From: Arne Schwabe <arne@rfc2549.org>
Date: Thu, 3 May 2012 22:20:26 +0200
Subject: Error message if tun cannot be opened

---
 openvpn/src/compat/compat-stdbool.h | 12 ++++++++++++
 openvpn/src/openvpn/tun.c           |  4 +++-
 2 files changed, 15 insertions(+), 1 deletion(-)
 create mode 100644 openvpn/src/compat/compat-stdbool.h

(limited to 'openvpn')

diff --git a/openvpn/src/compat/compat-stdbool.h b/openvpn/src/compat/compat-stdbool.h
new file mode 100644
index 0000000..9941218
--- /dev/null
+++ b/openvpn/src/compat/compat-stdbool.h
@@ -0,0 +1,12 @@
+#ifndef __COMPAT_STDBOOL_H
+#define __COMPAT_STDBOOL_H
+
+#ifdef HAVE_STDBOOL_H
+#include <stdbool.h>
+#else
+typedef int bool;
+#define false 0
+#define true 1
+#endif
+
+#endif
diff --git a/openvpn/src/openvpn/tun.c b/openvpn/src/openvpn/tun.c
index 7aa8627..14ec2b8 100644
--- a/openvpn/src/openvpn/tun.c
+++ b/openvpn/src/openvpn/tun.c
@@ -1386,7 +1386,9 @@ open_tun (const char *dev, const char *dev_type, const char *dev_node, struct tu
 
     if(tt->options.domain)
         android_set_domain(tt->options.domain);
-    tt->fd = android_open_tun();
+    if((tt->fd = android_open_tun()< 0){
+        msg (M_ERR, "ERROR: Cannot open TUN");
+    }
 }
 
 #else
-- 
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