blob: 675fe8d820133b159aaeb554127d93b86a843212 (
plain)
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
|
/* vi: set sw=4 ts=4: */
/*
* setuid() for uClibc
*
* Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
*
* Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
*/
#include <sys/syscall.h>
#include <unistd.h>
#include <bits/wordsize.h>
#if (__WORDSIZE == 32 && defined(__NR_setuid32)) || __WORDSIZE == 64
# ifdef __NR_setuid32
# undef __NR_setuid
# define __NR_setuid __NR_setuid32
# endif
_syscall1(int, setuid, uid_t, uid)
#else
# define __NR___syscall_setuid __NR_setuid
static __inline__ _syscall1(int, __syscall_setuid, __kernel_uid_t, uid);
int setuid(uid_t uid)
{
if (uid == (uid_t) ~ 0 || uid != (uid_t) ((__kernel_uid_t) uid)) {
__set_errno(EINVAL);
return -1;
}
return (__syscall_setuid(uid));
}
#endif
|
