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linux-next/fs/adfs/dir_f.h
Russell King ae5df41390 fs/adfs: dir: modernise on-disk directory structures
Use __u8 and pack the structures for on-disk directories.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2020-01-20 20:12:41 -05:00

67 lines
1.1 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* linux/fs/adfs/dir_f.h
*
* Copyright (C) 1999 Russell King
*
* Structures of directories on the F format disk
*/
#ifndef ADFS_DIR_F_H
#define ADFS_DIR_F_H
/*
* Directory header
*/
struct adfs_dirheader {
__u8 startmasseq;
__u8 startname[4];
} __attribute__((packed));
#define ADFS_NEWDIR_SIZE 2048
#define ADFS_NUM_DIR_ENTRIES 77
/*
* Directory entries
*/
struct adfs_direntry {
#define ADFS_F_NAME_LEN 10
char dirobname[ADFS_F_NAME_LEN];
__u8 dirload[4];
__u8 direxec[4];
__u8 dirlen[4];
__u8 dirinddiscadd[3];
__u8 newdiratts;
} __attribute__((packed));
/*
* Directory tail
*/
struct adfs_olddirtail {
__u8 dirlastmask;
char dirname[10];
__u8 dirparent[3];
char dirtitle[19];
__u8 reserved[14];
__u8 endmasseq;
__u8 endname[4];
__u8 dircheckbyte;
} __attribute__((packed));
struct adfs_newdirtail {
__u8 dirlastmask;
__u8 reserved[2];
__u8 dirparent[3];
char dirtitle[19];
char dirname[10];
__u8 endmasseq;
__u8 endname[4];
__u8 dircheckbyte;
} __attribute__((packed));
union adfs_dirtail {
struct adfs_olddirtail old;
struct adfs_newdirtail new;
};
#endif