pwd2spwd.c

这是一个SIGMA方案的PMP播放器的UCLINUX程序,可播放DVD,VCD,CD MP3...有很好的参考价值.

/* vi: set sw=4 ts=4: */
/*
 * Copyright 1989 - 1994, Julianne Frances Haugh <[e-mail]>
 * 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. Neither the name of Julianne F. Haugh 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 JULIE HAUGH 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 JULIE HAUGH 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.
 */

#include <time.h>
#include <sys/types.h>
#include "libbb.h"
#include "shadow_.h"

/*
 * pwd_to_spwd - create entries for new spwd structure
 *
 *	pwd_to_spwd() creates a new (struct spwd) containing the
 *	information in the pointed-to (struct passwd).
 */
#define DAY (24L*3600L)
#define WEEK (7*DAY)
#define SCALE DAY
struct spwd *pwd_to_spwd(const struct passwd *pw)
{
	static struct spwd sp;

	/*
	 * Nice, easy parts first.  The name and passwd map directly
	 * from the old password structure to the new one.
	 */
	sp.sp_namp = pw->pw_name;
	sp.sp_pwdp = pw->pw_passwd;

	/*
	 * Defaults used if there is no pw_age information.
	 */
	sp.sp_min = 0;
	sp.sp_max = (10000L * DAY) / SCALE;
	sp.sp_lstchg = time((time_t *) 0) / SCALE;

	/*
	 * These fields have no corresponding information in the password
	 * file.  They are set to uninitialized values.
	 */
	sp.sp_warn = -1;
	sp.sp_expire = -1;
	sp.sp_inact = -1;
	sp.sp_flag = -1;

	return &sp;
}