glibc/sysdeps/unix/sysv/linux/seteuid.c

45 lines
1.2 KiB
C

/* Copyright (C) 1998-2014 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <unistd.h>
#include <setxid.h>
int
seteuid (uid_t uid)
{
int result;
if (uid == (uid_t) ~0)
{
__set_errno (EINVAL);
return -1;
}
#ifdef __NR_setresuid32
result = INLINE_SETXID_SYSCALL (setresuid32, 3, -1, uid, -1);
#else
result = INLINE_SETXID_SYSCALL (setresuid, 3, -1, uid, -1);
#endif
return result;
}
#ifndef seteuid
libc_hidden_def (seteuid)
#endif