xref: /src/usr.bin/who/utmpentry.h

/*	$NetBSD: utmpentry.h,v 1.3 2006/09/19 14:35:25 hubertf 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.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *        This product includes software developed by the NetBSD
 *        Foundation, Inc. and its contributors.
 * 4. Neither the name of The NetBSD Foundation nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * 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.
 */

#if defined(SUPPORT_UTMPX)
#  define WHO_NAME_LEN		_UTX_USERSIZE
#  define WHO_LINE_LEN		_UTX_LINESIZE
#  define WHO_HOST_LEN		_UTX_HOSTSIZE
#elif defined(SUPPORT_UTMP)
#  define WHO_NAME_LEN		UT_NAMESIZE
#  define WHO_LINE_LEN		UT_LINESIZE
#  define WHO_HOST_LEN		UT_HOSTSIZE
#else
#  error Either SUPPORT_UTMPX or SUPPORT_UTMP must be defined!
#endif


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;
	uint16_t type;
	struct utmpentry *next;
};

extern int maxname, maxline, maxhost;

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