57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
/* Copyright (C) 1996-2022 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
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#include <libc-lock.h>
|
|
#include <errno.h>
|
|
#include <stdlib.h>
|
|
#include <utmp.h>
|
|
|
|
#include "utmp-private.h"
|
|
|
|
|
|
/* We have to use the lock in getutent_r.c. */
|
|
__libc_lock_define (extern, __libc_utmp_lock attribute_hidden)
|
|
|
|
|
|
int
|
|
__getutid_r (const struct utmp *id, struct utmp *buffer, struct utmp **result)
|
|
{
|
|
int retval;
|
|
|
|
/* Test whether ID has any of the legal types. */
|
|
if (id->ut_type != RUN_LVL && id->ut_type != BOOT_TIME
|
|
&& id->ut_type != OLD_TIME && id->ut_type != NEW_TIME
|
|
&& id->ut_type != INIT_PROCESS && id->ut_type != LOGIN_PROCESS
|
|
&& id->ut_type != USER_PROCESS && id->ut_type != DEAD_PROCESS)
|
|
/* No, using '<' and '>' for the test is not possible. */
|
|
{
|
|
__set_errno (EINVAL);
|
|
*result = NULL;
|
|
return -1;
|
|
}
|
|
|
|
__libc_lock_lock (__libc_utmp_lock);
|
|
|
|
retval = __libc_getutid_r (id, buffer, result);
|
|
|
|
__libc_lock_unlock (__libc_utmp_lock);
|
|
|
|
return retval;
|
|
}
|
|
libc_hidden_def (__getutid_r)
|
|
weak_alias (__getutid_r, getutid_r)
|