Mercurial > hg > toybox
diff toys/other/freeramdisk.c @ 1216:bd4e3608ad04 draft
Promote freeramdisk from pending to other, default y.
author | Rob Landley <rob@landley.net> |
---|---|
date | Sun, 09 Mar 2014 14:42:28 -0500 |
parents | toys/pending/freeramdisk.c@4eaac3e63fa7 |
children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/toys/other/freeramdisk.c Sun Mar 09 14:42:28 2014 -0500 @@ -0,0 +1,27 @@ +/* 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); +}