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-rw-r--r--tunDevice.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/tunDevice.cpp b/tunDevice.cpp
index 40d0f9d..5653bbc 100644
--- a/tunDevice.cpp
+++ b/tunDevice.cpp
@@ -92,7 +92,7 @@ TunDevice::TunDevice(const char* dev_name,const char* dev_type, const char* ifcf
// lp = inet_addr("192.168.198.1");
// rp = inet_addr("192.168.199.1");
- dev_ = init_tun(dev_name, dev_type, ifcfg_lp, ifcfg_rnmp, lp, rp, 0, NULL);
+ dev_ = init_tun(dev_name, dev_type==""?NULL:dev_type, ifcfg_lp, ifcfg_rnmp, lp, rp, 0, NULL);
struct frame frame; // just for win32
struct tuntap_options options; // win32 & linux
options.txqueuelen = 100; // just for linux