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