31 lines
617 B
C
31 lines
617 B
C
/* fallocate.c - Preallocate space to a file
|
|
*
|
|
* Copyright 2013 Felix Janda <felix.janda@posteo.de>
|
|
*
|
|
* No standard
|
|
|
|
USE_FALLOCATE(NEWTOY(fallocate, ">1l#|o#", TOYFLAG_USR|TOYFLAG_BIN))
|
|
|
|
config FALLOCATE
|
|
bool "fallocate"
|
|
default y
|
|
help
|
|
usage: fallocate [-l size] [-o offset] file
|
|
|
|
Tell the filesystem to allocate space for a file.
|
|
*/
|
|
|
|
#define FOR_fallocate
|
|
#include "toys.h"
|
|
|
|
GLOBALS(
|
|
long o, l;
|
|
)
|
|
|
|
void fallocate_main(void)
|
|
{
|
|
int fd = xcreate(*toys.optargs, O_RDWR | O_CREAT, 0644);
|
|
if ((errno = posix_fallocate(fd, TT.o, TT.l))) perror_exit("fallocate");
|
|
if (CFG_TOYBOX_FREE) close(fd);
|
|
}
|