-
+/* vi: set sw=4 ts=4: */
/*
* Mini fdflush implementation for busybox
*
- * Copyright (C) 1998 by Erik Andersen <andersee@debian.org>
+ *
+ * Copyright (C) 1995, 1996 by Bruce Perens <bruce@pixar.com>.
*
* 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
*
*/
-#include "internal.h"
+#include "busybox.h"
#include <stdio.h>
#include <sys/ioctl.h>
-#include <linux/fd.h>
#include <fcntl.h>
+#include <stdlib.h>
+/* From <linux/fd.h> */
+#define FDFLUSH _IO(2,0x4b)
extern int fdflush_main(int argc, char **argv)
{
- int value;
- int fd;
- if ( **(argv+1) == '-' ) {
- usage( "fdflush device\n");
- }
+ int fd;
+
+ if (argc <= 1 || **(++argv) == '-')
+ show_usage();
- fd = open(*argv, 0);
- if ( fd < 0 ) {
- perror(*argv);
- exit(FALSE);
- }
+ if ((fd = open(*argv, 0)) < 0)
+ perror_msg_and_die("%s", *argv);
- value = ioctl(fd, FDFLUSH, 0);
- close(fd);
+ if (ioctl(fd, FDFLUSH, 0))
+ perror_msg_and_die("%s", *argv);
- if ( value ) {
- perror(*argv);
- exit(FALSE);
- }
- exit (TRUE);
+ return EXIT_SUCCESS;
}