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0fd43249 | 1 | /* Copyright (C) 1992, 1994, 1997, 1999 Free Software Foundation, Inc. |
ebbad4cc | 2 | This file is part of the GNU C Library. |
28f540f4 | 3 | |
ebbad4cc | 4 | The GNU C Library is free software; you can redistribute it and/or |
41bdb6e2 AJ |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
28f540f4 | 8 | |
ebbad4cc UD |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
28f540f4 | 13 | |
41bdb6e2 AJ |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, write to the Free | |
16 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
17 | 02111-1307 USA. */ | |
28f540f4 | 18 | |
28f540f4 | 19 | #include <errno.h> |
0fd43249 | 20 | #include <string.h> |
28f540f4 RM |
21 | #include <sys/socket.h> |
22 | #include <hurd.h> | |
23 | #include <hurd/fd.h> | |
24 | #include <hurd/socket.h> | |
28f540f4 RM |
25 | |
26 | /* Put the local address of FD into *ADDR and its length in *LEN. */ | |
27 | int | |
ae1025be | 28 | getsockname (fd, addrarg, len) |
ebbad4cc | 29 | int fd; |
ae1025be | 30 | __SOCKADDR_ARG addrarg; |
0fd43249 | 31 | socklen_t *len; |
28f540f4 RM |
32 | { |
33 | error_t err; | |
ae1025be | 34 | struct sockaddr *addr = addrarg.__sockaddr__; |
28f540f4 RM |
35 | char *buf = (char *) addr; |
36 | mach_msg_type_number_t buflen = *len; | |
37 | int type; | |
38 | addr_port_t aport; | |
39 | ||
40 | if (err = HURD_DPORT_USE (fd, __socket_name (port, &aport))) | |
41 | return __hurd_dfail (fd, err); | |
42 | ||
43 | err = __socket_whatis_address (aport, &type, &buf, &buflen); | |
44 | __mach_port_deallocate (__mach_task_self (), aport); | |
45 | ||
46 | if (err) | |
47 | return __hurd_dfail (fd, err); | |
48 | ||
0fd43249 RM |
49 | if (*len > buflen) |
50 | *len = buflen; | |
51 | ||
28f540f4 RM |
52 | if (buf != (char *) addr) |
53 | { | |
28f540f4 RM |
54 | memcpy (addr, buf, *len); |
55 | __vm_deallocate (__mach_task_self (), (vm_address_t) buf, buflen); | |
56 | } | |
57 | ||
58 | addr->sa_family = type; | |
59 | ||
60 | return 0; | |
61 | } |