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When I got removed the use of atexit() I missed the fact that edit()
calls pw_error() which in turn calls exit().  Now edit() returns
its status so the temp file gets cleaned up nicely if the user makes
no changes or if an error occurred.  Problem noticed by deraadt@

/*	$OpenBSD: chpass.h,v 1.7 2002/07/31 22:08:42 millert Exp $	*/
/*	$NetBSD: chpass.h,v 1.4 1996/05/15 21:50:44 jtc Exp $	*/

/*
 * Copyright (c) 1988, 1993, 1994
 *	The Regents of the University of California.  All rights reserved.
 *
 * 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.
 *
 *	@(#)chpass.h	8.4 (Berkeley) 4/2/94
 */

struct passwd;

typedef struct _entry {
	char *prompt;
	int (*func)(), restricted, len;
	char *except, *save;
} ENTRY;

/* Field numbers. */
#define	E_BPHONE	8
#define	E_HPHONE	9
#define	E_LOCATE	10
#define	E_NAME		7
#define	E_SHELL		12

/* edit() return values. */
#define	EDIT_OK		0
#define	EDIT_NOCHANGE	1
#define	EDIT_ERROR	-1

extern ENTRY list[];
extern uid_t uid;

int	 atot(char *, time_t *);
void	 display(char *, int, struct passwd *);
int	 edit(char *, struct passwd *);
char    *ok_shell(char *);
int	 p_change(char *, struct passwd *, ENTRY *);
int	 p_class(char *, struct passwd *, ENTRY *);
int	 p_expire(char *, struct passwd *, ENTRY *);
int	 p_gecos(char *, struct passwd *, ENTRY *);
int	 p_gid(char *, struct passwd *, ENTRY *);
int	 p_hdir(char *, struct passwd *, ENTRY *);
int	 p_login(char *, struct passwd *, ENTRY *);
int	 p_login(char *, struct passwd *, ENTRY *);
int	 p_passwd(char *, struct passwd *, ENTRY *);
int	 p_shell(char *, struct passwd *, ENTRY *);
int	 p_uid(char *, struct passwd *, ENTRY *);
char    *ttoa(char *, size_t, time_t);
int	 verify(char *, struct passwd *);
struct passwd
	*ypgetpwnam(char *);
struct passwd
	*ypgetpwuid(uid_t uid);
int	_yp_check(char **);
int	pw_yp(struct passwd *, uid_t);