diff options
Diffstat (limited to 'winsup/cygwin/fhandler_socket.cc')
| -rw-r--r-- | winsup/cygwin/fhandler_socket.cc | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/winsup/cygwin/fhandler_socket.cc b/winsup/cygwin/fhandler_socket.cc index a3cbdd738..0e10ad5c6 100644 --- a/winsup/cygwin/fhandler_socket.cc +++ b/winsup/cygwin/fhandler_socket.cc @@ -711,6 +711,11 @@ fhandler_socket::recvfrom (void *ptr, size_t len, int flags, if (res == SOCKET_ERROR) { + /* According to SUSv3, errno isn't set in that case and no error + condition is returned. */ + if (WSAGetLastError () == WSAEMSGSIZE) + return len; + res = -1; set_winsock_errno (); } @@ -789,6 +794,7 @@ fhandler_socket::recvmsg (struct msghdr *msg, int flags, ssize_t tot) else { WSABUF wsabuf[iovcnt]; + unsigned long len = 0L; { const struct iovec *iovptr = iov + iovcnt; @@ -797,7 +803,7 @@ fhandler_socket::recvmsg (struct msghdr *msg, int flags, ssize_t tot) { iovptr -= 1; wsaptr -= 1; - wsaptr->len = iovptr->iov_len; + len += wsaptr->len = iovptr->iov_len; wsaptr->buf = (char *) iovptr->iov_base; } while (wsaptr != wsabuf); @@ -824,6 +830,11 @@ fhandler_socket::recvmsg (struct msghdr *msg, int flags, ssize_t tot) if (res == SOCKET_ERROR) { + /* According to SUSv3, errno isn't set in that case and no error + condition is returned. */ + if (WSAGetLastError () == WSAEMSGSIZE) + return len; + res = -1; set_winsock_errno (); } |