| /* Copyright (C) 2001-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Ulrich Drepper <drepper@redhat.com>, 2001 |
| |
| 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, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <errno.h> |
| #include <string.h> |
| #include <unistd.h> |
| |
| #include <sysdep.h> |
| #include <sys/syscall.h> |
| |
| int |
| __gethostname (char *name, size_t len) |
| { |
| int result; |
| |
| result = INLINE_SYSCALL (gethostname, 2, name, len); |
| |
| if (result == 0 |
| /* See whether the string is terminated. If not we will return |
| an error. */ |
| && memchr (name, '\0', len) == NULL) |
| { |
| __set_errno (EOVERFLOW); |
| result = -1; |
| } |
| |
| return result; |
| } |
| |
| weak_alias (__gethostname, gethostname) |
