+/* vi: set sw=4 ts=4: */
/*
* Mini fdflush implementation for busybox
*
- *
- * Copyright (C) 1995, 1996 by Bruce Perens <bruce@pixar.com>.
+ * 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
*
*/
-#include "internal.h"
#include <stdio.h>
#include <sys/ioctl.h>
-#include <linux/fd.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 value;
- int fd;
- if ( **(argv+1) == '-' ) {
- usage( "fdflush device\n");
- }
+ int fd, result;
+
+ if (argc <= 1)
+ bb_show_usage();
- fd = open(*argv, 0);
- if ( fd < 0 ) {
- perror(*argv);
- exit(FALSE);
- }
+ fd = bb_xopen(argv[1], 0);
- value = ioctl(fd, FDFLUSH, 0);
- close(fd);
+ result = ioctl(fd, FDFLUSH, 0);
+#ifdef CONFIG_FEATURE_CLEAN_UP
+ close(fd);
+#endif
+ if (result) {
+ bb_perror_nomsg_and_die();
+ }
- if ( value ) {
- perror(*argv);
- exit(FALSE);
- }
- exit (TRUE);
+ /* Don't bother closing. Exit does
+ * that, so we can save a few bytes */
+ return EXIT_SUCCESS;
}