putpwent.c revision 7257d1b4d25bfac0c802847390e98a464fd787ac
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1988 AT&T */
/* All Rights Reserved */
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* format a password file entry
*/
#include "lint.h"
#include <sys/types.h>
#include <stdio.h>
#include <pwd.h>
int
putpwent(const struct passwd *p, FILE *f)
{
int black_magic;
(void) fprintf(f, "%s:%s", p->pw_name,
p->pw_passwd ? p->pw_passwd : "");
if (((p->pw_age) != NULL) && ((*p->pw_age) != '\0'))
(void) fprintf(f, ",%s", p->pw_age); /* fatal "," */
black_magic = (*p->pw_name == '+' || *p->pw_name == '-');
/* leading "+/-" taken from getpwnam_r.c */
if (black_magic) {
(void) fprintf(f, ":::%s:%s:%s",
p->pw_gecos ? p->pw_gecos : "",
p->pw_dir ? p->pw_dir : "",
p->pw_shell ? p->pw_shell : "");
} else { /* "normal case" */
(void) fprintf(f, ":%d:%d:%s:%s:%s",
p->pw_uid,
p->pw_gid,
p->pw_gecos,
p->pw_dir,
p->pw_shell);
}
(void) putc('\n', f);
(void) fflush(f);
return (ferror(f));
}