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/*
* aulastlog-llist.h - Header file for aulastlog-llist.c
* Copyright (c) 2008 Red Hat Inc., Durham, North Carolina.
* All Rights Reserved.
*
* This software may be freely redistributed and/or modified under the
* terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2, or (at your option) any
* later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to the
* Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* Authors:
* Steve Grubb <sgrubb@redhat.com>
*/
#ifndef AULASTLIST_HEADER
#define AULASTLIST_HEADER
#include <sys/types.h>
/* This is the node of the linked list. message & item are the only elements
* at this time. Any data elements that are per item goes here. */
typedef struct _lnode{
time_t sec; // last time uid logged in
uid_t uid; // user ID
char *name; // users name
char *host; // host where logging in from
char *term; // terminal name
unsigned int item; // Which item of the same event
struct _lnode* next; // Next node pointer
} lnode;
/* This is the linked list head. Only data elements that are 1 per
* event goes here. */
typedef struct {
lnode *head; // List head
lnode *cur; // Pointer to current node
unsigned int cnt; // How many items in this list
} llist;
void list_create(llist *l);
static inline void list_first(llist *l) { l->cur = l->head; }
lnode *list_next(llist *l);
static inline lnode *list_get_cur(llist *l) { return l->cur; }
static inline unsigned int list_get_cnt(llist *l) { return l->cnt; }
void list_append(llist *l, lnode *node);
void list_clear(llist* l);
int list_update_login(llist* l, time_t t);
int list_update_host(llist* l, const char *h);
int list_update_term(llist* l, const char *t);
/* Given a uid, find that record. */
lnode *list_find_uid(llist *l, uid_t uid);
#endif
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