Mercurial > hg > toybox
view toys/other/fallocate.c @ 1429:8c78a7e5486d draft
Disable xopen's default O_CLOEXEC for oneit.
author | Rob Landley <rob@landley.net> |
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date | Sat, 09 Aug 2014 23:49:48 -0500 |
parents | 5ec6582aac50 |
children |
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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); }