dissect.qnxfs.c_qnx4

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dissect.qnxfs.c_qnx4.qnx4_def = Multiline-String

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"""
typedef __u16 __le16;
typedef __u32 __le32;

typedef __le16 qnx4_nxtnt_t;
typedef __u8 qnx4_ftype_t;

typedef struct {
    __le32          xtnt_blk;
    __le32          xtnt_size;
} qnx4_xtnt_t;

typedef __le16 qnx4_mode_t;
typedef __le16 qnx4_muid_t;
typedef __le16 qnx4_mgid_t;
typedef __le32 qnx4_off_t;
typedef __le16 qnx4_nlink_t;

#define QNX4_ROOT_INO               1

#define QNX4_MAX_XTNTS_PER_XBLK     60
/* for di_status */
#define QNX4_FILE_USED              0x01
#define QNX4_FILE_MODIFIED          0x02
#define QNX4_FILE_BUSY              0x04
#define QNX4_FILE_LINK              0x08
#define QNX4_FILE_INODE             0x10
#define QNX4_FILE_FSYSCLEAN         0x20

#define QNX4_I_MAP_SLOTS            8
#define QNX4_Z_MAP_SLOTS            64
#define QNX4_VALID_FS               0x0001  /* Clean fs. */
#define QNX4_ERROR_FS               0x0002  /* fs has errors. */
#define QNX4_BLOCK_SIZE             0x200   /* blocksize of 512 bytes */
#define QNX4_BLOCK_SIZE_BITS        9       /* blocksize shift */
#define QNX4_DIR_ENTRY_SIZE         0x040   /* dir entry size of 64 bytes */
#define QNX4_DIR_ENTRY_SIZE_BITS    6       /* dir entry size shift */
#define QNX4_XBLK_ENTRY_SIZE        0x200   /* xblk entry size */
#define QNX4_INODES_PER_BLOCK       0x08    /* 512 / 64 */

/* for filenames */
#define QNX4_SHORT_NAME_MAX         16
#define QNX4_LONG_NAME_MAX          505
#define QNX4_NAME_MAX               48

/*
 * This is the original qnx4 inode layout on disk.
 */
struct qnx4_inode_entry {
    char            di_fname[QNX4_SHORT_NAME_MAX];
    qnx4_off_t      di_size;
    qnx4_xtnt_t     di_first_xtnt;
    __le32          di_xblk;
    __le32          di_ftime;
    __le32          di_mtime;
    __le32          di_atime;
    __le32          di_ctime;
    qnx4_nxtnt_t    di_num_xtnts;
    qnx4_mode_t     di_mode;
    qnx4_muid_t     di_uid;
    qnx4_mgid_t     di_gid;
    qnx4_nlink_t    di_nlink;
    __u8            di_zero[4];
    qnx4_ftype_t    di_type;
    __u8            di_status;
};

struct qnx4_link_info {
    char            dl_fname[QNX4_NAME_MAX];
    __le32          dl_inode_blk;
    __u8            dl_inode_ndx;
    __le32          dl_lfn_blk;
    __u8            dl_spare[6];
    __u8            dl_status;
};

struct qnx4_longfilename_entry {
    __le32          lfn_unk0;
    __u8            lfn_unk1;
    __u8            lfn_unk2;
    char            lfn_name[QNX4_LONG_NAME_MAX];
};

struct qnx4_xblk {
    __le32          xblk_next_xblk;
    __le32          xblk_prev_xblk;
    __u8            xblk_num_xtnts;
    __u8            xblk_spare[3];
    __le32          xblk_num_blocks;
    qnx4_xtnt_t     xblk_xtnts[QNX4_MAX_XTNTS_PER_XBLK];
    char            xblk_signature[8];
    qnx4_xtnt_t     xblk_first_xtnt;
};

struct qnx4_super_block {
    struct qnx4_inode_entry RootDir;
    struct qnx4_inode_entry Inode;
    struct qnx4_inode_entry Boot;
    struct qnx4_inode_entry AltBoot;
};
"""

dissect.qnxfs.c_qnx4.c_qnx4