mirror of
https://github.com/topjohnwu/ndk-busybox.git
synced 2024-12-14 15:28:38 +00:00
55 lines
1.4 KiB
C
55 lines
1.4 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* Mini fdflush implementation for busybox
|
|
*
|
|
* Copyright (C) 1995, 1996 by Bruce Perens <bruce@perens.com>.
|
|
* Copyright (C) 2003 by Erik Andersen <andersen@codeoet.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program 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
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <sys/ioctl.h>
|
|
#include <fcntl.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include "busybox.h"
|
|
|
|
/* From <linux/fd.h> */
|
|
#define FDFLUSH _IO(2,0x4b)
|
|
|
|
extern int fdflush_main(int argc, char **argv)
|
|
{
|
|
int fd, result;
|
|
|
|
if (argc != 2)
|
|
bb_show_usage();
|
|
|
|
fd = bb_xopen(argv[1], 0);
|
|
|
|
result = ioctl(fd, FDFLUSH, 0);
|
|
|
|
if (ENABLE_FEATURE_CLEAN_UP) close(fd);
|
|
|
|
if (result) {
|
|
bb_perror_nomsg_and_die();
|
|
}
|
|
|
|
/* Don't bother closing. Exit does
|
|
* that, so we can save a few bytes */
|
|
return EXIT_SUCCESS;
|
|
}
|