66 lines
2.1 KiB
C
66 lines
2.1 KiB
C
/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Ulrich Drepper <drepper@cygnus.com>
|
|
and Paul Janzen <pcj@primenet.com>, 1996.
|
|
|
|
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 <bits/libc-lock.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)
|
|
|
|
/* The jump table is also in getutent_r.c. */
|
|
extern struct utfuncs *__libc_utmp_jump_table;
|
|
|
|
|
|
int
|
|
__getutid_r (const struct utmp *id, struct utmp *buffer, struct utmp **result)
|
|
{
|
|
#if (_HAVE_UT_ID - 0) && (_HAVE_UT_TYPE - 0)
|
|
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_utmp_jump_table->getutid_r) (id, buffer, result);
|
|
|
|
__libc_lock_unlock (__libc_utmp_lock);
|
|
|
|
return retval;
|
|
#else /* !_HAVE_UT_ID && !_HAVE_UT_TYPE */
|
|
__set_errno (ENOSYS);
|
|
return -1;
|
|
#endif
|
|
}
|
|
weak_alias (__getutid_r, getutid_r)
|