| 1 | /* Provide a working getlogin for systems which lack it. |
| 2 | |
| 3 | Copyright (C) 2010-2014 Free Software Foundation, Inc. |
| 4 | |
| 5 | This program is free software: you can redistribute it and/or modify |
| 6 | it under the terms of the GNU Lesser General Public License as published by |
| 7 | the Free Software Foundation; either version 3 of the License, or |
| 8 | (at your option) any later version. |
| 9 | |
| 10 | This program 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 |
| 13 | GNU Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public License |
| 16 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | /* Written by Bruno Haible, 2010. */ |
| 19 | |
| 20 | #include <config.h> |
| 21 | |
| 22 | /* Specification. */ |
| 23 | #include <unistd.h> |
| 24 | |
| 25 | #if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__ |
| 26 | # define WIN32_LEAN_AND_MEAN |
| 27 | # include <windows.h> |
| 28 | #endif |
| 29 | |
| 30 | char * |
| 31 | getlogin (void) |
| 32 | { |
| 33 | #if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__ |
| 34 | static char login_name[1024]; |
| 35 | DWORD sz = sizeof (login_name); |
| 36 | |
| 37 | if (GetUserName (login_name, &sz)) |
| 38 | return login_name; |
| 39 | #endif |
| 40 | return NULL; |
| 41 | } |