/* $Id: finger.h,v 6.2 93/10/15 03:00:47 ppessi Exp $
 *
 * finger.h
 *
 * Copyright © 1993 AmiTCP/IP Group, <AmiTCP-group@hut.fi>
 *                  Helsinki University of Technology, Finland.
 *
 * This program is derived from original work distributed in BSD Net 2.
 *
 * Created      : Fri Oct 15 01:29:07 1993 ppessi
 * Last modified: Fri Oct 15 01:37:11 1993 ppessi
 *
 * $Log:	finger.h,v $
 * Revision 6.2  93/10/15  03:00:47  ppessi
 * Minor changes due sprint.c
 * 
 */
 
/*
 * Copyright (c) 1989 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Tony Nardo of the Johns Hopkins University/Applied Physics Lab.
 *
 * 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 University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
 *
 *	@(#)finger.h	5.5 (Berkeley) 6/1/90
 */

#include <pwd.h>
#include <time.h>
#if HAVE_UTMP
#include <utmp.h>
#endif

#ifndef UT_NAMESIZE
#define UT_NAMESIZE 8
#endif
#ifndef UT_LINESIZE
#define UT_LINESIZE 8
#endif
#ifndef UT_HOSTSIZE
#define UT_HOSTSIZE 64
#endif

/*
 * All unique persons are linked in a list headed by "head" and linkd
 * by the "next" field, as well as kept in a hash table.
 */

typedef struct person {
  struct person *next;		/* link to next person */
  struct person *hlink;		/* link to next person in hash bucket */
  uid_t uid;			/* user id */
  char *dir;			/* user's home directory */
  char *homephone;		/* pointer to home phone no. */
  char *name;			/* login name */
  char *office;			/* pointer to office name */
  char *officephone;		/* pointer to office phone no. */
  char *realname;		/* pointer to full name */
  char *shell;			/* user's shell */
  struct where *whead, *wtail;	/* list of where he is or has been */
} PERSON;

enum status { LASTLOG, LOGGEDIN };

typedef struct where {
  struct where *next;		/* next place he is or has been */
  enum status info;		/* type/status of request */
  short writable;		/* tty is writable */
  time_t loginat;		/* time of (last) login */
  time_t idletime;		/* how long idle (if logged in) */
  char tty[UT_LINESIZE+1];	/* null terminated tty line */
  char host[UT_HOSTSIZE+1];	/* null terminated remote host name */
} WHERE;

WHERE *walloc(register PERSON *);

#define	HBITS	8		/* number of bits in hash code */
#define	HSIZE	(1 << 8)	/* hash table size */
#define	HMASK	(HSIZE - 1)	/* hash code mask */

extern PERSON *htab[HSIZE];	/* the buckets */
extern PERSON *phead, *ptail;	/* the linked list of all people */

extern int entries;		/* number of people */

PERSON 
  *enter_person(register struct passwd *pw), 
  *find_person(char *name),
  *palloc(void);

char * prphone(char *num);
void userinfo( register PERSON *pn, register struct passwd *pw);

void lflag_print(void);
void sflag_print(void);

void netfinger(char *name);

extern char tbuf[1024];		/* temp buffer for anybody */