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b7548cd2 AW |
1 | /* Provide a working getlogin for systems which lack it. |
2 | ||
5e69ceb7 | 3 | Copyright (C) 2010-2014 Free Software Foundation, Inc. |
b7548cd2 AW |
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 | } |