1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
/* vi: set sw=4 ts=4: */
/* getlogin for uClibc
*
* Copyright (C) 2000 by Lineo, inc. and Erik Andersen
* Copyright (C) 2000,2001 by Erik Andersen <andersen@uclibc.org>
* Written by Erik Andersen <andersen@uclibc.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Library General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program 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 Library General Public License
* for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdlib.h>
#include <string.h>
/* uClibc makes it policy to not mess with the utmp file whenever possible, *
* since I consider utmp a complete wasts of time. Since getlogin() should
* never be used for security purposes, we kindly let the user specify whatever
* they want via the LOGNAME environment variable, or we return NULL if
* getenv() fails to find anything */
char * getlogin(void)
{
return (getenv("LOGNAME"));
}
int getlogin_r(char *name, size_t len)
{
char * foo = getenv("LOGNAME");
if (! foo)
return -1;
strncpy(name, foo, len);
return 0;
}
|
