glibc/sysdeps/mach/hurd/recv.c
Roland McGrath d5a0160b58 * sysdeps/mach/hurd/recv.c (__recv): Initialize NPORTS.
* sysdeps/mach/hurd/recvfrom.c (__recvfrom): Likewise.
	* sysdeps/mach/hurd/recvmsg.c (__recvmsg): Likewise.
	* hurd/fd-read.c (_hurd_fd_read): Initialize NREAD.
	* hurd/get-host.c (_hurd_get_host_config): Likewise.
	* sysdeps/mach/hurd/dl-sysdep.c (__libc_read): Likewise.
2008-07-02 19:35:02 +00:00

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1.9 KiB
C

/* Copyright (C) 1994,1997,2001,2005 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#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. */
ssize_t
__recv (fd, buf, n, flags)
int fd;
void *buf;
size_t n;
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 = 0;
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_sockfail (fd, flags, 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;
}
weak_alias (__recv, recv)