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- /* Copyright (C) 1994 Free 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>
-
- /* 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;
- unsigned int nread = n;
- mach_port_t *ports;
- unsigned int nports;
- char *cdata = NULL;
- unsigned int 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;
- }
-