59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
/*
|
|
* pwent.c - This file is part of the libc-8086/pwd package for ELKS,
|
|
* Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the Free
|
|
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*
|
|
*/
|
|
|
|
#include "busybox.h"
|
|
|
|
#include <unistd.h>
|
|
#include <stdlib.h>
|
|
#include <errno.h>
|
|
#include "pwd_.h"
|
|
#include <fcntl.h>
|
|
|
|
/*
|
|
* setpwent(), endpwent(), and getpwent() are included in the same object
|
|
* file, since one cannot be used without the other two, so it makes sense to
|
|
* link them all in together.
|
|
*/
|
|
|
|
/* file descriptor for the password file currently open */
|
|
static int pw_fd = -1;
|
|
|
|
void setpwent(void)
|
|
{
|
|
if (pw_fd != -1)
|
|
close(pw_fd);
|
|
|
|
pw_fd = open("/etc/passwd", O_RDONLY);
|
|
}
|
|
|
|
void endpwent(void)
|
|
{
|
|
if (pw_fd != -1)
|
|
close(pw_fd);
|
|
pw_fd = -1;
|
|
}
|
|
|
|
struct passwd *getpwent(void)
|
|
{
|
|
if (pw_fd != -1)
|
|
return (__getpwent(pw_fd));
|
|
return NULL;
|
|
}
|