76 lines
2.7 KiB
C
76 lines
2.7 KiB
C
/* $NetBSD: utmpentry.h,v 1.7 2008/07/13 20:07:49 dholland Exp $ */
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/*-
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* Copyright (c) 2002 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Christos Zoulas.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#if defined(SUPPORT_UTMPX)
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# include <utmpx.h>
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# define WHO_NAME_LEN _UTX_USERSIZE
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# define WHO_LINE_LEN _UTX_LINESIZE
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# define WHO_HOST_LEN _UTX_HOSTSIZE
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#elif defined(SUPPORT_UTMP)
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# include <utmp.h>
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# define WHO_NAME_LEN UT_NAMESIZE
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# define WHO_LINE_LEN UT_LINESIZE
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# define WHO_HOST_LEN UT_HOSTSIZE
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#else
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# error Either SUPPORT_UTMPX or SUPPORT_UTMP must be defined!
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#endif
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struct utmpentry {
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char name[WHO_NAME_LEN + 1];
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char line[WHO_LINE_LEN + 1];
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char host[WHO_HOST_LEN + 1];
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struct timeval tv;
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pid_t pid;
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uint16_t term;
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uint16_t exit;
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uint16_t sess;
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uint16_t type;
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struct utmpentry *next;
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};
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extern int maxname, maxline, maxhost;
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extern int etype;
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/*
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* getutentries provides a linked list of struct utmpentry and returns
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* the number of entries. The first argument, if not null, names an
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* alternate utmp(x) file to look in.
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*
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* The memory returned by getutentries belongs to getutentries. The
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* list returned (or elements of it) may be returned again later if
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* utmp hasn't changed in the meantime.
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*
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* endutentries clears and frees the cached data.
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*/
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int getutentries(const char *, struct utmpentry **);
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void endutentries(void);
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