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* fhandler_socket.cc (fhandler_socket::recvmsg): Call if from == NULL

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WSARecvFrom with fromlen = NULL.
This commit is contained in:
Christopher Faylor
2002-11-05 16:49:58 +00:00
parent ef1bf288df
commit 2f5e9ace2e
2 changed files with 12 additions and 8 deletions
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5
winsup/cygwin/ChangeLog
View File

@@ -1,3 +1,8 @@
2002-11-05 Thomas Pfaff <tpfaff@gmx.net>
* fhandler_socket.cc (fhandler_socket::recvmsg): Call if from == NULL
WSARecvFrom with fromlen = NULL.
2002-11-04 Christopher Faylor <cgf@redhat.com>
* pinfo.cc (_pinfo::commune_send): Fix thinko in previous checkin.

15
winsup/cygwin/fhandler_socket.cc
View File

@@ -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)