Mercurial > hg > toybox
annotate toys/other/fallocate.c @ 1701:83c14a9cd0fe draft
Patch from Isaac Dunham to add -r, fixed up so it doesn't try to include two flag contexts simultaneously.
| author | Rob Landley <rob@landley.net> |
|---|---|
| date | Wed, 18 Feb 2015 15:19:15 -0600 |
| parents | 5ec6582aac50 |
| children |
| 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" | |
|
1369
5ec6582aac50
Make fallocate depend on probe for libc support.
Rob Landley <rob@landley.net>
parents:
1353
diff
changeset
|
11 depends on TOYBOX_FALLOCATE |
|
1353
2102af52be68
Enable fallocate in defconfig.
Rob Landley <rob@landley.net>
parents:
993
diff
changeset
|
12 default y |
| 993 | 13 help |
| 14 usage: fallocate [-l size] file | |
| 15 | |
| 16 Tell the filesystem to allocate space for a file. | |
| 17 */ | |
| 18 | |
| 19 #define FOR_fallocate | |
| 20 #include "toys.h" | |
| 21 | |
| 22 GLOBALS( | |
| 23 long size; | |
| 24 ) | |
| 25 | |
| 26 void fallocate_main(void) | |
| 27 { | |
| 28 int fd = xcreate(*toys.optargs, O_RDWR | O_CREAT, 0644); | |
| 29 if (posix_fallocate(fd, 0, TT.size)) error_exit("Not enough space"); | |
| 30 if (CFG_TOYBOX_FREE) close(fd); | |
| 31 } |