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/* fallocate.c - Preallocate space to a file
*
* Copyright 2013 Felix Janda <felix.janda@posteo.de>
*
* No standard
USE_FALLOCATE(NEWTOY(fallocate, ">1l#|", TOYFLAG_USR|TOYFLAG_BIN))
config FALLOCATE
bool "fallocate"
depends on TOYBOX_FALLOCATE
default y
help
usage: fallocate [-l size] file
Tell the filesystem to allocate space for a file.
*/
#define FOR_fallocate
#include "toys.h"
GLOBALS(
long size;
)
void fallocate_main(void)
{
int fd = xcreate(*toys.optargs, O_RDWR | O_CREAT, 0644);
if (posix_fallocate(fd, 0, TT.size)) error_exit("Not enough space");
if (CFG_TOYBOX_FREE) close(fd);
}
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