diff options
Diffstat (limited to 'iso/libisofs/rock.h')
-rw-r--r-- | iso/libisofs/rock.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/iso/libisofs/rock.h b/iso/libisofs/rock.h new file mode 100644 index 0000000..e859192 --- /dev/null +++ b/iso/libisofs/rock.h @@ -0,0 +1,127 @@ +/* this header is from the linux kernel */ + +#ifndef ROCK_H +#define ROCK_H 1 + +/* 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{ + unsigned char magic[2]; + unsigned char skip; +}; + +struct SU_CE{ + char extent[8]; + char offset[8]; + char size[8]; +}; + +struct SU_ER{ + unsigned char len_id; + unsigned char len_des; + unsigned char len_src; + unsigned char ext_ver; + char data[1]; +}; + +struct RR_RR{ + char flags[1]; +}; + +struct RR_PX{ + char mode[8]; + char n_links[8]; + char uid[8]; + char gid[8]; + char serno[8]; +}; + +struct RR_PN{ + char dev_high[8]; + char dev_low[8]; +}; + + +struct SL_component{ + unsigned char flags; + unsigned char len; + char text[1]; +}; + +struct RR_SL{ + unsigned char flags; + struct SL_component link; +}; + +struct RR_NM{ + unsigned char flags; + char name[1]; +}; + +struct RR_CL{ + char location[8]; +}; + +struct RR_PL{ + char location[8]; +}; + +struct stamp{ + char time[7]; +}; + +struct RR_TF{ + char flags; + struct stamp times[1]; /* Variable number of these beasts */ +}; + +/* Linux-specific extension for transparent decompression */ +struct RR_ZF{ + char algorithm[2]; + char parms[2]; + char 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{ + char signature[2]; + char len; /* 711 */ + char version; /* 711 */ + union{ + struct SU_SP SP; + struct SU_CE CE; + struct SU_ER ER; + struct RR_RR RR; + struct RR_PX PX; + struct RR_PN PN; + struct RR_SL SL; + struct RR_NM NM; + struct RR_CL CL; + struct RR_PL PL; + struct RR_TF TF; + struct RR_ZF 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 */ + +#endif /* ROCK_H */ |