diff options
| -rw-r--r-- | pjlib/src/pj/ip_helper_win32.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/pjlib/src/pj/ip_helper_win32.c b/pjlib/src/pj/ip_helper_win32.c index dcfbed9c..56d292e4 100644 --- a/pjlib/src/pj/ip_helper_win32.c +++ b/pjlib/src/pj/ip_helper_win32.c @@ -237,9 +237,11 @@ static pj_status_t enum_ipv4_ipv6_interface(int af, return PJ_RETURN_OS_ERROR(rc); for (i=0; i<*p_cnt && adapter; ++i, adapter = adapter->Next) { - SOCKET_ADDRESS *pAddr = &adapter->FirstUnicastAddress->Address; - ifs[i].addr.sa_family = pAddr->lpSockaddr->sa_family; - pj_memcpy(&ifs[i], pAddr->lpSockaddr, pAddr->iSockaddrLength); + if (adapter->FirstUnicastAddress) { + SOCKET_ADDRESS *pAddr = &adapter->FirstUnicastAddress->Address; + ifs[i].addr.sa_family = pAddr->lpSockaddr->sa_family; + pj_memcpy(&ifs[i], pAddr->lpSockaddr, pAddr->iSockaddrLength); + } } *p_cnt = i; |