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utmpentry.h revision 1.5 
      1 /*	$NetBSD: utmpentry.h,v 1.5 2006/09/20 19:39:23 christos Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2002 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Christos Zoulas.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #if defined(SUPPORT_UTMPX)
     40 # include <utmpx.h>
     41 # define WHO_NAME_LEN		_UTX_USERSIZE
     42 # define WHO_LINE_LEN		_UTX_LINESIZE
     43 # define WHO_HOST_LEN		_UTX_HOSTSIZE
     44 #elif defined(SUPPORT_UTMP)
     45 # include <utmp.h>
     46 # define WHO_NAME_LEN		UT_NAMESIZE
     47 # define WHO_LINE_LEN		UT_LINESIZE
     48 # define WHO_HOST_LEN		UT_HOSTSIZE
     49 #else
     50 # error Either SUPPORT_UTMPX or SUPPORT_UTMP must be defined!
     51 #endif
     52 
     53 
     54 struct utmpentry {
     55 	char name[WHO_NAME_LEN + 1];
     56 	char line[WHO_LINE_LEN + 1];
     57 	char host[WHO_HOST_LEN + 1];
     58 	struct timeval tv;
     59 	pid_t pid;
     60 	uint16_t term;
     61 	uint16_t exit;
     62 	uint16_t sess;
     63 	uint16_t type;
     64 	struct utmpentry *next;
     65 };
     66 
     67 extern int maxname, maxline, maxhost;
     68 extern int etype;
     69 
     70 int getutentries(const char *, struct utmpentry **);
     71 void freeutentries(struct utmpentry *);
     72