X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=util-linux%2Ffdflush.c;h=f3afea3203f94274627948946cc9cb59b471d907;hb=5a62284972a46896cfa7364492caaef10cb83b6a;hp=201cea89879141702cce973cd4aeef4d57711522;hpb=298854f02963bd8e43dfeb7224d88cfeb0c932cb;p=oweals%2Fbusybox.git

diff --git a/util-linux/fdflush.c b/util-linux/fdflush.c
index 201cea898..f3afea320 100644
--- a/util-linux/fdflush.c
+++ b/util-linux/fdflush.c
@@ -2,8 +2,8 @@
 /*
  * 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
@@ -21,36 +21,34 @@
  *
  */
 
-#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;
+	int fd, result;
 
-	if (argc <= 1 || **(argv++) == '-') {
-		usage("fdflush device\n");
-	}
+	if (argc != 2)
+		bb_show_usage();
+
+	fd = bb_xopen(argv[1], 0);
+
+	result = ioctl(fd, FDFLUSH, 0);
 
-	fd = open(*argv, 0);
-	if (fd < 0) {
-		perror(*argv);
-		exit(FALSE);
+	if (ENABLE_FEATURE_CLEAN_UP) close(fd);
+
+	if (result) {
+		bb_perror_nomsg_and_die();
 	}
 
-	value = ioctl(fd, FDFLUSH, 0);
 	/* Don't bother closing.  Exit does
 	 * that, so we can save a few bytes */
-	/* close(fd); */
-
-	if (value) {
-		perror(*argv);
-		exit(FALSE);
-	}
-	exit(TRUE);
+	return EXIT_SUCCESS;
 }