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view toys/pending/freeramdisk.c @ 1215:4eaac3e63fa7 draft

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Cleanup freeramdisk: tabs to 2 spaces, square brackets for option name, do optional cleanup under if (CFG_TOYBOX_FREE) guard.
author Rob Landley <rob@landley.net>
date Sun, 09 Mar 2014 14:38:51 -0500
parents a31d747b0017
children
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line source

/* freeramdisk.c - Free all memory allocated to ramdisk
 *
 * Copyright 2014 Vivek Kumar Bhagat <vivek.bhagat89@gmail.com>
 *
 * No Standard

USE_FREERAMDISK(NEWTOY(freeramdisk, "<1>1", TOYFLAG_SBIN|TOYFLAG_NEEDROOT))

config FREERAMDISK
  bool "freeramdisk"
  default n
  help
    usage: freeramdisk [RAM device]

    Free all memory allocated to specified ramdisk
*/

#include "toys.h"

void freeramdisk_main(void)
{
  int fd;

  fd = xopen(toys.optargs[0], O_RDWR);
  xioctl(fd, BLKFLSBUF, toys.optargs[0]);
  if (CFG_TOYBOX_FREE) xclose(fd);
}