1/****************************************************************************
2 ****************************************************************************
3 ***
4 ***   This header was automatically generated from a Linux kernel header
5 ***   of the same name, to make information necessary for userspace to
6 ***   call into the kernel available to libc.  It contains only constants,
7 ***   structures, and macros generated from the original header, and thus,
8 ***   contains no copyrightable information.
9 ***
10 ****************************************************************************
11 ****************************************************************************/
12#ifndef __EFS_DIR_H__
13#define __EFS_DIR_H__
14
15#define EFS_DIRBSIZE_BITS EFS_BLOCKSIZE_BITS
16#define EFS_DIRBSIZE (1 << EFS_DIRBSIZE_BITS)
17
18struct efs_dentry {
19 __be32 inode;
20 unsigned char namelen;
21 char name[3];
22};
23
24#define EFS_DENTSIZE (sizeof(struct efs_dentry) - 3 + 1)
25#define EFS_MAXNAMELEN ((1 << (sizeof(char) * 8)) - 1)
26
27#define EFS_DIRBLK_HEADERSIZE 4
28#define EFS_DIRBLK_MAGIC 0xbeef
29
30struct efs_dir {
31 __be16 magic;
32 unsigned char firstused;
33 unsigned char slots;
34
35 unsigned char space[EFS_DIRBSIZE - EFS_DIRBLK_HEADERSIZE];
36};
37
38#define EFS_MAXENTS   ((EFS_DIRBSIZE - EFS_DIRBLK_HEADERSIZE) /   (EFS_DENTSIZE + sizeof(char)))
39
40#define EFS_SLOTAT(dir, slot) EFS_REALOFF((dir)->space[slot])
41
42#define EFS_REALOFF(offset) ((offset << 1))
43
44#endif
45
46