* Adjusted a bit by Erik Andersen <andersen@codepoet.org>
* Unified with fdflush by Tito Ragusa <farmatito@tiscali.it>
*
- * Licensed under GPLv2, see file LICENSE in this tarball for details.
+ * Licensed under GPLv2, see file LICENSE in this source tree.
*/
+
+//usage:#define freeramdisk_trivial_usage
+//usage: "DEVICE"
+//usage:#define freeramdisk_full_usage "\n\n"
+//usage: "Free all memory used by the specified ramdisk"
+//usage:
+//usage:#define freeramdisk_example_usage
+//usage: "$ freeramdisk /dev/ram2\n"
+//usage:
+//usage:#define fdflush_trivial_usage
+//usage: "DEVICE"
+//usage:#define fdflush_full_usage "\n\n"
+//usage: "Force floppy disk drive to detect disk change"
+
#include <sys/mount.h>
#include "libbb.h"
#define FDFLUSH _IO(2,0x4b)
int freeramdisk_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int freeramdisk_main(int argc, char **argv)
+int freeramdisk_main(int argc UNUSED_PARAM, char **argv)
{
int fd;
- if (argc != 2) bb_show_usage();
-
- fd = xopen(argv[1], O_RDWR);
+ fd = xopen(single_argv(argv), O_RDWR);
// Act like freeramdisk, fdflush, or both depending on configuration.
- ioctl_or_perror_and_die(fd, (ENABLE_FREERAMDISK && applet_name[1]=='r')
+ ioctl_or_perror_and_die(fd, (ENABLE_FREERAMDISK && applet_name[1] == 'r')
|| !ENABLE_FDFLUSH ? BLKFLSBUF : FDFLUSH, NULL, "%s", argv[1]);
if (ENABLE_FEATURE_CLEAN_UP) close(fd);