X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=util-linux%2Ffdflush.c;h=f10cceae08054830b8659780ff2fab62b143cd66;hb=f1bbb22dca4d39aa227246f4c2ee90acd7e512a4;hp=201cea89879141702cce973cd4aeef4d57711522;hpb=298854f02963bd8e43dfeb7224d88cfeb0c932cb;p=oweals%2Fbusybox.git

diff --git a/util-linux/fdflush.c b/util-linux/fdflush.c
index 201cea898..f10cceae0 100644
--- a/util-linux/fdflush.c
+++ b/util-linux/fdflush.c
@@ -21,36 +21,27 @@
  *
  */
 
-#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 (argc <= 1 || **(argv++) == '-') {
-		usage("fdflush device\n");
-	}
+	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);
-	/* Don't bother closing.  Exit does
-	 * that, so we can save a few bytes */
-	/* close(fd); */
+	if (ioctl(fd, FDFLUSH, 0))
+		perror_msg_and_die("%s", *argv);
 
-	if (value) {
-		perror(*argv);
-		exit(FALSE);
-	}
-	exit(TRUE);
+	return EXIT_SUCCESS;
 }