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d4697bc9 | 1 | /* Copyright (C) 2001-2014 Free Software Foundation, Inc. |
19635181 UD |
2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@redhat.com>, 2001 | |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
ab84e3ff PE |
16 | License along with the GNU C Library. If not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
19635181 | 18 | |
8c2b0506 | 19 | #include <errno.h> |
19635181 UD |
20 | #include <string.h> |
21 | #include <unistd.h> | |
22 | ||
23 | #include <sysdep.h> | |
24 | #include <sys/syscall.h> | |
19635181 | 25 | |
19635181 UD |
26 | int |
27 | __gethostname (char *name, size_t len) | |
28 | { | |
29 | int result; | |
30 | ||
a2da1673 | 31 | result = INLINE_SYSCALL (gethostname, 2, name, len); |
19635181 UD |
32 | |
33 | if (result == 0 | |
34 | /* See whether the string is terminated. If not we will return | |
35 | an error. */ | |
36 | && memchr (name, '\0', len) == NULL) | |
37 | { | |
38 | __set_errno (EOVERFLOW); | |
39 | result = -1; | |
40 | } | |
41 | ||
42 | return result; | |
43 | } | |
44 | ||
45 | weak_alias (__gethostname, gethostname) |