/* $NetBSD: utmpentry.h,v 1.8 2015/11/21 15:01:43 christos 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.
*/
#if defined(SUPPORT_UTMPX)
# include <utmpx.h>
# define WHO_NAME_LEN _UTX_USERSIZE
# define WHO_LINE_LEN _UTX_LINESIZE
# define WHO_HOST_LEN _UTX_HOSTSIZE
#elif defined(SUPPORT_UTMP)
# include <utmp.h>
# 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 size_t 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 utmp(x) 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
* utmp hasn't changed in the meantime.
*
* endutentries clears and frees the cached data.
*/
size_t getutentries(const char *, struct utmpentry **);
void endutentries(void);
