| /* Reentrant function to return the current login name. Hurd version. |
| Copyright (C) 1996-2014 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 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 <unistd.h> |
| #include <hurd.h> |
| #include <string.h> |
| |
| /* Return at most NAME_LEN characters of the login name of the user in NAME. |
| If it cannot be determined or some other error occurred, return the error |
| code. Otherwise return 0. */ |
| int |
| getlogin_r (name, name_len) |
| char *name; |
| size_t name_len; |
| { |
| string_t login; |
| error_t err; |
| |
| if (err = __USEPORT (PROC, __proc_getlogin (port, login))) |
| return errno = err; |
| |
| size_t len = __strnlen (login, sizeof login - 1) + 1; |
| if (len > name_len) |
| { |
| errno = ERANGE; |
| return errno; |
| } |
| |
| memcpy (name, login, len); |
| return 0; |
| } |
| libc_hidden_def (getlogin_r) |
