From 28f540f45bbacd939bfd07f213bcad2bf730b1bf Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Sat, 18 Feb 1995 01:27:10 +0000 Subject: initial import --- sysdeps/mach/hurd/getsockname.c | 58 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 sysdeps/mach/hurd/getsockname.c (limited to 'sysdeps/mach/hurd/getsockname.c') diff --git a/sysdeps/mach/hurd/getsockname.c b/sysdeps/mach/hurd/getsockname.c new file mode 100644 index 0000000000..5a9182b4fc --- /dev/null +++ b/sysdeps/mach/hurd/getsockname.c @@ -0,0 +1,58 @@ +/* Copyright (C) 1992, 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 +#include +#include +#include +#include +#include +#include + +/* Put the local address of FD into *ADDR and its length in *LEN. */ +int +DEFUN(getsockname, (fd, addr, len), + int fd AND struct sockaddr *addr AND size_t *len) +{ + error_t err; + char *buf = (char *) addr; + mach_msg_type_number_t buflen = *len; + int type; + addr_port_t aport; + + if (err = HURD_DPORT_USE (fd, __socket_name (port, &aport))) + return __hurd_dfail (fd, err); + + err = __socket_whatis_address (aport, &type, &buf, &buflen); + __mach_port_deallocate (__mach_task_self (), aport); + + if (err) + return __hurd_dfail (fd, err); + + if (buf != (char *) addr) + { + if (*len < buflen) + *len = buflen; + memcpy (addr, buf, *len); + __vm_deallocate (__mach_task_self (), (vm_address_t) buf, buflen); + } + + addr->sa_family = type; + + return 0; +} -- cgit 1.4.1