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/*
* 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 __always_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
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