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28 lines
548 B
28 lines
548 B
7 months ago
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/* freeramdisk.c - Free all memory allocated to ramdisk
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*
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* Copyright 2014 Vivek Kumar Bhagat <vivek.bhagat89@gmail.com>
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*
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* No Standard
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USE_FREERAMDISK(NEWTOY(freeramdisk, "<1>1", TOYFLAG_SBIN|TOYFLAG_NEEDROOT))
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config FREERAMDISK
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bool "freeramdisk"
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default y
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help
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usage: freeramdisk [RAM device]
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Free all memory allocated to specified ramdisk
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*/
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#include "toys.h"
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void freeramdisk_main(void)
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{
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int fd;
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fd = xopen(toys.optargs[0], O_RDWR);
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xioctl(fd, BLKFLSBUF, toys.optargs[0]);
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if (CFG_TOYBOX_FREE) xclose(fd);
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}
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