blob: cb0b7f8f8a7e45d001470525625d0113362653b4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
/* 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 y
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);
}
|
