Mercurial > hg > toybox
annotate toys/other/fallocate.c @ 1353:2102af52be68 draft
Enable fallocate in defconfig.
| author | Rob Landley <rob@landley.net> |
|---|---|
| date | Wed, 11 Jun 2014 22:18:35 -0500 |
| parents | d5a1174ff88a |
| children | 5ec6582aac50 |
| rev | line source |
|---|---|
| 993 | 1 /* fallocate.c - Preallocate space to a file |
| 2 * | |
| 3 * Copyright 2013 Felix Janda <felix.janda@posteo.de> | |
| 4 * | |
| 5 * No standard | |
| 6 | |
| 7 USE_FALLOCATE(NEWTOY(fallocate, ">1l#|", TOYFLAG_USR|TOYFLAG_BIN)) | |
| 8 | |
| 9 config FALLOCATE | |
| 10 bool "fallocate" | |
|
1353
2102af52be68
Enable fallocate in defconfig.
Rob Landley <rob@landley.net>
parents:
993
diff
changeset
|
11 default y |
| 993 | 12 help |
| 13 usage: fallocate [-l size] file | |
| 14 | |
| 15 Tell the filesystem to allocate space for a file. | |
| 16 */ | |
| 17 | |
| 18 #define FOR_fallocate | |
| 19 #include "toys.h" | |
| 20 | |
| 21 GLOBALS( | |
| 22 long size; | |
| 23 ) | |
| 24 | |
| 25 void fallocate_main(void) | |
| 26 { | |
| 27 int fd = xcreate(*toys.optargs, O_RDWR | O_CREAT, 0644); | |
| 28 if (posix_fallocate(fd, 0, TT.size)) error_exit("Not enough space"); | |
| 29 if (CFG_TOYBOX_FREE) close(fd); | |
| 30 } |