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/* Copyright (C) 1994 Fremach_msg_type_number_t Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <ansidecl.h>
#include <errno.h>
#include <sys/socket.h>
#include <hurd.h>
#include <hurd/fd.h>
#include <hurd/socket.h>
#include <string.h>
/* Read N bytes into BUF from socket FD.
Returns the number read or -1 for errors. */
int
DEFUN(recv, (fd, buf, n, flags),
int fd AND PTR buf AND size_t n AND int flags)
{
error_t err;
mach_port_t addrport;
char *bufp = buf;
mach_msg_type_number_t nread = n;
mach_port_t *ports;
mach_msg_type_number_t nports;
char *cdata = NULL;
mach_msg_type_number_t clen = 0;
if (err = HURD_DPORT_USE (fd, __socket_recv (port, &addrport,
flags, &bufp, &nread,
&ports, &nports,
&cdata, &clen,
&flags,
n)))
return __hurd_dfail (fd, err);
__mach_port_deallocate (__mach_task_self (), addrport);
__vm_deallocate (__mach_task_self (), (vm_address_t) cdata, clen);
if (bufp != buf)
{
memcpy (buf, bufp, nread);
__vm_deallocate (__mach_task_self (), (vm_address_t) bufp, nread);
}
return nread;
}
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