Contents of /trunk/mkinitrd-magellan/busybox/util-linux/freeramdisk.c
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Revision 984 -
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Sun May 30 11:32:42 2010 UTC (14 years, 4 months ago) by niro
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Sun May 30 11:32:42 2010 UTC (14 years, 4 months ago) by niro
File MIME type: text/plain
File size: 908 byte(s)
-updated to busybox-1.16.1 and enabled blkid/uuid support in default config
1 | /* vi: set sw=4 ts=4: */ |
2 | /* |
3 | * freeramdisk and fdflush implementations for busybox |
4 | * |
5 | * Copyright (C) 2000 and written by Emanuele Caratti <wiz@iol.it> |
6 | * Adjusted a bit by Erik Andersen <andersen@codepoet.org> |
7 | * Unified with fdflush by Tito Ragusa <farmatito@tiscali.it> |
8 | * |
9 | * Licensed under GPLv2, see file LICENSE in this tarball for details. |
10 | */ |
11 | #include <sys/mount.h> |
12 | #include "libbb.h" |
13 | |
14 | /* From <linux/fd.h> */ |
15 | #define FDFLUSH _IO(2,0x4b) |
16 | |
17 | int freeramdisk_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
18 | int freeramdisk_main(int argc UNUSED_PARAM, char **argv) |
19 | { |
20 | int fd; |
21 | |
22 | fd = xopen(single_argv(argv), O_RDWR); |
23 | |
24 | // Act like freeramdisk, fdflush, or both depending on configuration. |
25 | ioctl_or_perror_and_die(fd, (ENABLE_FREERAMDISK && applet_name[1] == 'r') |
26 | || !ENABLE_FDFLUSH ? BLKFLSBUF : FDFLUSH, NULL, "%s", argv[1]); |
27 | |
28 | if (ENABLE_FEATURE_CLEAN_UP) close(fd); |
29 | |
30 | return EXIT_SUCCESS; |
31 | } |