diff options
Diffstat (limited to 'winsup/cygwin/fhandler_socket.cc')
| -rw-r--r-- | winsup/cygwin/fhandler_socket.cc | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/winsup/cygwin/fhandler_socket.cc b/winsup/cygwin/fhandler_socket.cc index eadc9b36a..f2970ac46 100644 --- a/winsup/cygwin/fhandler_socket.cc +++ b/winsup/cygwin/fhandler_socket.cc @@ -734,14 +734,16 @@ fhandler_socket::recvmsg (struct msghdr *msg, int flags, ssize_t tot) struct iovec *const iov = msg->msg_iov; const int iovcnt = msg->msg_iovlen; + struct sockaddr *from = (struct sockaddr *) msg->msg_name; + int *fromlen = from ? &msg->msg_namelen : NULL; + int res; if (!winsock2_active) { if (iovcnt == 1) res = recvfrom (iov->iov_base, iov->iov_len, flags, - (struct sockaddr *) msg->msg_name, - &msg->msg_namelen); + from, fromlen); else { if (tot == -1) // i.e. if not pre-calculated by the caller. @@ -766,8 +768,7 @@ fhandler_socket::recvmsg (struct msghdr *msg, int flags, ssize_t tot) else { res = recvfrom (buf, tot, flags, - (struct sockaddr *) msg->msg_name, - &msg->msg_namelen); + from, fromlen); const struct iovec *iovptr = iov; int nbytes = res; @@ -805,16 +806,14 @@ fhandler_socket::recvmsg (struct msghdr *msg, int flags, ssize_t tot) if (is_nonblocking ()) res = WSARecvFrom (get_socket (), wsabuf, iovcnt, &ret, (DWORD *) &flags, - (struct sockaddr *) msg->msg_name, - &msg->msg_namelen, + from, fromlen, NULL, NULL); else { wsock_event wsock_evt; res = WSARecvFrom (get_socket (), wsabuf, iovcnt, &ret, (DWORD *) &flags, - (struct sockaddr *) msg->msg_name, - &msg->msg_namelen, + from, fromlen, wsock_evt.prepare (), NULL); if (res == SOCKET_ERROR && WSAGetLastError () == WSA_IO_PENDING) |