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

52 lines
1.5 KiB
C

/* Copyright (C) 1998 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <errno.h>
#include <unistd.h>
#include <sys/types.h>
#include <linux/posix_types.h>
#include <sysdep.h>
#include <sys/syscall.h>
#ifdef __NR_getresuid
extern int __syscall_getresuid (__kernel_uid_t *ruid, __kernel_uid_t *euid,
__kernel_uid_t *suid);
int
getresuid (uid_t *ruid, uid_t *euid, uid_t *suid)
{
__kernel_uid_t k_ruid, k_euid, k_suid;
int result;
result = INLINE_SYSCALL (getresuid, 3, &k_ruid, &k_euid, &k_suid);
if (result == 0)
{
*ruid = (uid_t) k_ruid;
*euid = (uid_t) k_euid;
*suid = (uid_t) k_suid;
}
return result;
}
#else
# include <sysdeps/generic/getresuid.c>
#endif