forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
123 lines
2.3 KiB
123 lines
2.3 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
|
/* |
|
* These structs are used by the system-use-sharing protocol, in which the |
|
* Rock Ridge extensions are embedded. It is quite possible that other |
|
* extensions are present on the disk, and this is fine as long as they |
|
* all use SUSP |
|
*/ |
|
|
|
struct SU_SP_s { |
|
__u8 magic[2]; |
|
__u8 skip; |
|
} __attribute__ ((packed)); |
|
|
|
struct SU_CE_s { |
|
__u8 extent[8]; |
|
__u8 offset[8]; |
|
__u8 size[8]; |
|
}; |
|
|
|
struct SU_ER_s { |
|
__u8 len_id; |
|
__u8 len_des; |
|
__u8 len_src; |
|
__u8 ext_ver; |
|
__u8 data[]; |
|
} __attribute__ ((packed)); |
|
|
|
struct RR_RR_s { |
|
__u8 flags[1]; |
|
} __attribute__ ((packed)); |
|
|
|
struct RR_PX_s { |
|
__u8 mode[8]; |
|
__u8 n_links[8]; |
|
__u8 uid[8]; |
|
__u8 gid[8]; |
|
}; |
|
|
|
struct RR_PN_s { |
|
__u8 dev_high[8]; |
|
__u8 dev_low[8]; |
|
}; |
|
|
|
struct SL_component { |
|
__u8 flags; |
|
__u8 len; |
|
__u8 text[]; |
|
} __attribute__ ((packed)); |
|
|
|
struct RR_SL_s { |
|
__u8 flags; |
|
struct SL_component link; |
|
} __attribute__ ((packed)); |
|
|
|
struct RR_NM_s { |
|
__u8 flags; |
|
char name[]; |
|
} __attribute__ ((packed)); |
|
|
|
struct RR_CL_s { |
|
__u8 location[8]; |
|
}; |
|
|
|
struct RR_PL_s { |
|
__u8 location[8]; |
|
}; |
|
|
|
struct stamp { |
|
__u8 time[7]; /* actually 6 unsigned, 1 signed */ |
|
} __attribute__ ((packed)); |
|
|
|
struct RR_TF_s { |
|
__u8 flags; |
|
struct stamp times[]; /* Variable number of these beasts */ |
|
} __attribute__ ((packed)); |
|
|
|
/* Linux-specific extension for transparent decompression */ |
|
struct RR_ZF_s { |
|
__u8 algorithm[2]; |
|
__u8 parms[2]; |
|
__u8 real_size[8]; |
|
}; |
|
|
|
/* |
|
* These are the bits and their meanings for flags in the TF structure. |
|
*/ |
|
#define TF_CREATE 1 |
|
#define TF_MODIFY 2 |
|
#define TF_ACCESS 4 |
|
#define TF_ATTRIBUTES 8 |
|
#define TF_BACKUP 16 |
|
#define TF_EXPIRATION 32 |
|
#define TF_EFFECTIVE 64 |
|
#define TF_LONG_FORM 128 |
|
|
|
struct rock_ridge { |
|
__u8 signature[2]; |
|
__u8 len; |
|
__u8 version; |
|
union { |
|
struct SU_SP_s SP; |
|
struct SU_CE_s CE; |
|
struct SU_ER_s ER; |
|
struct RR_RR_s RR; |
|
struct RR_PX_s PX; |
|
struct RR_PN_s PN; |
|
struct RR_SL_s SL; |
|
struct RR_NM_s NM; |
|
struct RR_CL_s CL; |
|
struct RR_PL_s PL; |
|
struct RR_TF_s TF; |
|
struct RR_ZF_s ZF; |
|
} u; |
|
}; |
|
|
|
#define RR_PX 1 /* POSIX attributes */ |
|
#define RR_PN 2 /* POSIX devices */ |
|
#define RR_SL 4 /* Symbolic link */ |
|
#define RR_NM 8 /* Alternate Name */ |
|
#define RR_CL 16 /* Child link */ |
|
#define RR_PL 32 /* Parent link */ |
|
#define RR_RE 64 /* Relocation directory */ |
|
#define RR_TF 128 /* Timestamps */
|
|
|