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* gnu/java/net/natPlainDatagramSocketImplWin32.cc

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(peekData): Use offset and maximal free space in datagram packet.
	(receive): Likewise.
	(send): Use offset in datagram packet.

From-SVN: r73848
This commit is contained in:
Michael Koch
2003-11-23 01:38:31 +00:00
committed by Mohan Embar
parent a6e5d84721
commit 539edbe025
2 changed files with 14 additions and 5 deletions
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libjava/gnu/java/net/natPlainDatagramSocketImplWin32.cc
+7 -5
View File
@@ -202,7 +202,8 @@ gnu::java::net::PlainDatagramSocketImpl::peekData(::java::net::DatagramPacket *p
// FIXME: Deal with Multicast and if the socket is connected.
union SockAddr u;
socklen_t addrlen = sizeof(u);
jbyte *dbytes = elements (p->getData());
jbyte *dbytes = elements (p->getData()) + p->getOffset();
jint maxlen = p->getData()->length - p->getOffset();
ssize_t retlen = 0;
if (timeout > 0)
@@ -214,7 +215,7 @@ gnu::java::net::PlainDatagramSocketImpl::peekData(::java::net::DatagramPacket *p
}
retlen =
::recvfrom (native_fd, (char *) dbytes, p->getLength(), MSG_PEEK, (sockaddr*) &u,
::recvfrom (native_fd, (char *) dbytes, maxlen, MSG_PEEK, (sockaddr*) &u,
&addrlen);
if (retlen == SOCKET_ERROR)
goto error;
@@ -280,7 +281,7 @@ gnu::java::net::PlainDatagramSocketImpl::send (::java::net::DatagramPacket *p)
jbyte *bytes = elements (haddress);
int len = haddress->length;
struct sockaddr *ptr = (struct sockaddr *) &u.address;
jbyte *dbytes = elements (p->getData());
jbyte *dbytes = elements (p->getData()) + p->getOffset();
if (len == 4)
{
u.address.sin_family = AF_INET;
@@ -316,7 +317,8 @@ gnu::java::net::PlainDatagramSocketImpl::receive (::java::net::DatagramPacket *p
// FIXME: Deal with Multicast and if the socket is connected.
union SockAddr u;
socklen_t addrlen = sizeof(u);
jbyte *dbytes = elements (p->getData());
jbyte *dbytes = elements (p->getData()) + p->getOffset();
jint maxlen = p->getData()->length - p->getOffset();
ssize_t retlen = 0;
if (timeout > 0)
@@ -331,7 +333,7 @@ gnu::java::net::PlainDatagramSocketImpl::receive (::java::net::DatagramPacket *p
}
retlen =
::recvfrom (native_fd, (char *) dbytes, p->getLength(), 0, (sockaddr*) &u,
::recvfrom (native_fd, (char *) dbytes, maxlen, 0, (sockaddr*) &u,
&addrlen);
if (retlen < 0)
goto error;