]>
Commit | Line | Data |
---|---|---|
2bd7e9c3 | 1 | /* Copyright (C) 1992, 1995, 1997, 2000, 2001 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 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
28f540f4 | 17 | |
28f540f4 | 18 | #include <errno.h> |
750f9af6 | 19 | #include <string.h> |
28f540f4 RM |
20 | #include <unistd.h> |
21 | #include <sys/utsname.h> | |
22 | ||
23 | /* Put the name of the current host in no more than LEN bytes of NAME. | |
24 | The result is null-terminated if LEN is large enough for the full | |
25 | name and the terminator. */ | |
26 | int | |
ebbad4cc UD |
27 | __gethostname (name, len) |
28 | char *name; | |
2bd7e9c3 | 29 | size_t len; |
28f540f4 RM |
30 | { |
31 | struct utsname buf; | |
750f9af6 UD |
32 | size_t node_len; |
33 | ||
28f540f4 RM |
34 | if (uname (&buf)) |
35 | return -1; | |
750f9af6 UD |
36 | |
37 | node_len = strlen (buf.nodename) + 1; | |
b8f5d8dd RM |
38 | memcpy (name, buf.nodename, len < node_len ? len : node_len); |
39 | ||
750f9af6 UD |
40 | if (node_len > len) |
41 | { | |
42 | __set_errno (ENAMETOOLONG); | |
43 | return -1; | |
44 | } | |
28f540f4 RM |
45 | return 0; |
46 | } | |
47 | ||
48 | weak_alias (__gethostname, gethostname) |