mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-14 09:01:07 +00:00
54 lines
2.0 KiB
C
54 lines
2.0 KiB
C
/* Internal definitions and declarations for UTMP functions.
|
|
Copyright (C) 1996-2013 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 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/>. */
|
|
|
|
#ifndef _UTMP_PRIVATE_H
|
|
#define _UTMP_PRIVATE_H 1
|
|
|
|
#include <utmp.h>
|
|
#include <bits/libc-lock.h>
|
|
|
|
/* The structure describing the functions in a backend. */
|
|
struct utfuncs
|
|
{
|
|
int (*setutent) (void);
|
|
int (*getutent_r) (struct utmp *, struct utmp **);
|
|
int (*getutid_r) (const struct utmp *, struct utmp *, struct utmp **);
|
|
int (*getutline_r) (const struct utmp *, struct utmp *, struct utmp **);
|
|
struct utmp *(*pututline) (const struct utmp *);
|
|
void (*endutent) (void);
|
|
int (*updwtmp) (const char *, const struct utmp *);
|
|
};
|
|
|
|
/* The tables from the services. */
|
|
extern const struct utfuncs __libc_utmp_file_functions attribute_hidden;
|
|
extern const struct utfuncs __libc_utmp_unknown_functions attribute_hidden;
|
|
|
|
/* Currently selected backend. */
|
|
extern const struct utfuncs *__libc_utmp_jump_table attribute_hidden;
|
|
|
|
/* Current file name. */
|
|
extern const char *__libc_utmp_file_name attribute_hidden;
|
|
|
|
/* Locks access to the global data. */
|
|
__libc_lock_define (extern, __libc_utmp_lock attribute_hidden)
|
|
|
|
|
|
#endif /* utmp-private.h */
|