glibc/sysdeps/mach/hurd/accept.c
Andreas Jaeger 41bdb6e20c Update to LGPL v2.1.
2001-07-06  Paul Eggert  <eggert@twinsun.com>

	* manual/argp.texi: Remove ignored LGPL copyright notice; it's
	not appropriate for documentation anyway.
	* manual/libc-texinfo.sh: "Library General Public License" ->
	"Lesser General Public License".

2001-07-06  Andreas Jaeger  <aj@suse.de>

	* All files under GPL/LGPL version 2: Place under LGPL version
	2.1.
2001-07-06 04:58:11 +00:00

87 lines
2.5 KiB
C

/* Copyright (C) 1992, 1993, 1994, 1997, 1999 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 <fcntl.h>
#include <string.h>
#include <sys/socket.h>
#include <hurd.h>
#include <hurd/fd.h>
#include <hurd/socket.h>
/* Await a connection on socket FD.
When a connection arrives, open a new socket to communicate with it,
set *ADDR (which is *ADDR_LEN bytes long) to the address of the connecting
peer and *ADDR_LEN to the address's actual length, and return the
new socket's descriptor, or -1 for errors. */
int
accept (fd, addrarg, addr_len)
int fd;
__SOCKADDR_ARG addrarg;
socklen_t *addr_len;
{
error_t err;
socket_t new;
addr_port_t aport;
struct sockaddr *addr = addrarg.__sockaddr__;
char *buf = (char *) addr;
mach_msg_type_number_t buflen;
int type;
if (err = HURD_DPORT_USE (fd, __socket_accept (port, &new, &aport)))
return __hurd_dfail (fd, err);
if (addr != NULL)
{
buflen = *addr_len;
err = __socket_whatis_address (aport, &type, &buf, &buflen);
if (err == EOPNOTSUPP)
/* If the protocol server can't tell us the address, just return a
zero-length one. */
{
buf = (char *)addr;
buflen = 0;
err = 0;
}
}
__mach_port_deallocate (__mach_task_self (), aport);
if (err)
{
__mach_port_deallocate (__mach_task_self (), new);
return __hurd_dfail (fd, err);
}
if (addr != NULL)
{
if (*addr_len > buflen)
*addr_len = buflen;
if (buf != (char *) addr)
{
memcpy (addr, buf, *addr_len);
__vm_deallocate (__mach_task_self (), (vm_address_t) buf, buflen);
}
if (buflen > 0)
addr->sa_family = type;
}
return _hurd_intern_fd (new, O_IGNORE_CTTY, 1);
}