/*      $NetBSD: utmpentry.h,v 1.6 2008/04/28 20:24:15 martin Exp $     */

/*-
 * Copyright (c) 2002 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Christos Zoulas.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include <utmpx.h>
#define WHO_NAME_LEN            _UTX_USERSIZE
#define WHO_LINE_LEN            _UTX_LINESIZE
#define WHO_HOST_LEN            _UTX_HOSTSIZE


struct utmpentry {
        char name[WHO_NAME_LEN + 1];
        char line[WHO_LINE_LEN + 1];
        char host[WHO_HOST_LEN + 1];
        struct timeval tv;
        pid_t pid;
        uint16_t term;
        uint16_t exit;
        uint16_t sess;
        short type;
        struct utmpentry *next;
};

extern int maxname, maxline, maxhost;
extern int etype;

/*
 * getutentries provides a linked list of struct utmpentry and returns
 * the number of entries. The first argument, if not null, names an 
 * alternate utmpx file to look in.
 *
 * The memory returned by getutentries belongs to getutentries. The
 * list returned (or elements of it) may be returned again later if
 * utmpx hasn't changed in the meantime.
 *
 * endutentries clears and frees the cached data.
 */

int getutentries(const char *, struct utmpentry **);
void endutentries(void);