/* $NetBSD: utmpentry.h,v 1.7 2008/07/13 20:07:49 dholland 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; #ifndef __APPLE__ uint16_t term; uint16_t exit; uint16_t sess; #endif /* !__APPLE__ */ uint16_t 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 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. */ int getutentries(const char *, struct utmpentry **); void endutentries(void);