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Merge in more Rock Ridge code. Not working yet. Hopefully not much

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breakage. (But there may be some especially on less-POSIX OS's.)
This commit is contained in:
rocky
2005-02-13 22:03:00 +00:00
parent 1a2e7f3da8
commit 2f11a30fb3
5 changed files with 451 additions and 43 deletions
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111
include/cdio/rock.h
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@@ -1,12 +1,10 @@
/*
$Id: rock.h,v 1.1 2005/02/13 00:20:05 rocky Exp $
$Id: rock.h,v 1.2 2005/02/13 22:03:00 rocky Exp $
Copyright (C) 2005 Rocky Bernstein <rocky@panix.com>
See also rock.c by Eric Youngdale (1993) from GNU/Linux and in cdrtools.
This is
Copyright 1993 Yggdrasil Computing, Incorporated
See also rock.c by Eric Youngdale (1993) from GNU/Linux
This is Copyright 1993 Yggdrasil Computing, Incorporated
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
@@ -70,16 +68,42 @@ extern enum cdio_rock_enums {
PRAGMA_BEGIN_PACKED
/*! The next two structs are used by the system-use-sharing protocol
(SUSP), 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. */
/*! system-use-sharing protocol */
typedef struct iso_su_sp_s{
unsigned char magic[2];
uint8_t skip;
} GNUC_PACKED iso_su_sp_t;
/*! system-use extension record */
typedef struct iso_su_er_s {
iso711_t len_id; /**< Identifier length. Value 10?. */
unsigned char len_des;
unsigned char len_src;
iso711_t ext_ver; /**< Extension version. Value 1? */
char data[EMPTY_ARRAY_SIZE];
} GNUC_PACKED iso_su_er_t;
typedef struct iso_su_ce_s {
char extent[8];
char offset[8];
char size[8];
} iso_su_ce_t;
/*! POSIX file attributes, PX. See Section 4.1.2 */
typedef struct iso_rock_px_s {
iso733_t st_mode; /*! file mode permissions; same as st_mode
of POSIX:5.6.1 */
iso733_t st_links; /*! number of links to file; same as st_links
iso733_t st_nlinks; /*! number of links to file; same as st_nlinks
of POSIX:5.6.1 */
iso733_t st_uid; /*! user id owner of file; same as st_uid
of POSIX:5.6.1 */
iso733_t gid; /*! group id of file; same as st_gid of
of POSIX:5.6.1 */
iso733_t st_gid; /*! group id of file; same as st_gid of
of POSIX:5.6.1 */
} GNUC_PACKED iso_rock_px_t ;
/*! POSIX device number, PN. A PN is mandatory if the file type
@@ -97,11 +121,29 @@ typedef struct iso_rock_pn_s {
7.2.3 encoded */
} GNUC_PACKED iso_rock_pn_t ;
/*! Symbolic link. See Section 4.1.3 */
typedef struct iso_rock_sl_s {
/*! These are the bits and their meanings for flags in the SL structure. */
typedef enum {
ISO_ROCK_SL_CONTINUE = 1,
ISO_ROCK_SL_CURRENT = 2,
ISO_ROCK_SL_PARENT = 4,
ISO_ROCK_SL_ROOT = 8
} iso_rock_sl_flag_t;
#define ISO_ROCK_SL_CONTINUE 1
#define ISO_ROCK_SL_CURRENT 2
#define ISO_ROCK_SL_PARENT 4
#define ISO_ROCK_SL_ROOT 8
typedef struct iso_rock_sl_part_s {
unsigned char flags;
unsigned char len;
char text[EMPTY_ARRAY_SIZE];
} GNUC_PACKED iso_rock_sl_part_t ;
/*! Symbolic link. See Section 4.1.3 */
typedef struct iso_rock_sl_s {
unsigned char flags;
iso_rock_sl_part_t link;
} GNUC_PACKED iso_rock_sl_t ;
/*! Alternate name. See Section 4.1.4 */
@@ -120,7 +162,7 @@ typedef struct iso_rock_pl_s {
char location[1];
} GNUC_PACKED iso_rock_pl_t ;
/* These are the bits and their meanings for flags in the TF structure. */
/*! These are the bits and their meanings for flags in the TF structure. */
typedef enum {
ISO_ROCK_TF_CREATE = 1,
ISO_ROCK_TF_MODIFY = 2,
@@ -155,35 +197,38 @@ typedef struct iso_rock_sf_s {
uint8_t table_depth;
} GNUC_PACKED iso_rock_sf_t ;
/*! GNU/Linux-specific extension for transparent decompression. */
typedef struct iso_rock_zf_s {
char algorithm[2];
char parms[2];
char real_size[8];
} GNUC_PACKED iso_rock_zf_t ;
typedef struct iso_rock_ridge_s {
char signature[2]; /**< signature word; either 'SP', 'CE', 'ER', 'RR',
typedef struct iso_extension_record_s {
char signature[2]; /**< signature word; either 'SP', 'CE', 'ER', 'RR',
'PX', 'PN', 'SL', 'NM', 'CL', 'PL', 'TF', or
'ZF' */
iso711_t len; /** length of system-user area - 44 for PX
20 for PN, 5+strlen(text) for SL. */
iso711_t version; /** version number - value 1 */
iso711_t len; /**< length of system-user area - 44 for PX
20 for PN, 5+strlen(text) for SL, 21 for
SF, etc. */
iso711_t version; /**< version number - value 1 */
union{
iso_rock_px_t PX;
iso_rock_pn_t PN;
iso_rock_sl_t SL;
iso_rock_nm_t NM;
iso_rock_cl_t CL;
iso_rock_pl_t PL;
iso_rock_tf_t TF;
iso_rock_zf_t SF;
iso_rock_zf_t ZF;
iso_su_sp_t SP; /**< system-use-sharing protocol - not
strictly part of Rock Ridge */
iso_su_er_t ER; /**< system-use extension packet - not
strictly part of Rock Ridge */
iso_su_ce_t CE; /**< system-use - strictly part of Rock Ridge */
iso_rock_px_t PX; /**< Rock Ridge POSIX file attributes */
iso_rock_pn_t PN; /**< Rock Ridge POSIX device number */
iso_rock_sl_t SL; /**< Rock Ridge symbolic link */
iso_rock_nm_t NM; /**< Rock Ridge alternate name */
iso_rock_cl_t CL; /**< Rock Ridge child link */
iso_rock_pl_t PL; /**< Rock Ridge parent link */
iso_rock_tf_t TF; /**< Rock Ridge timestamp(s) for a file */
} u;
} GNUC_PACKED iso_rock_ridge_t;
} GNUC_PACKED iso_extension_record_t;
PRAGMA_END_PACKED
/*! return length of name field; 0: not found, -1: to be ignored */
int get_rock_ridge_filename(iso9660_dir_t * de, /*out*/ char * retname,
/*out*/ iso9660_stat_t *p_stat);
int parse_rock_ridge_stat(iso9660_dir_t *de, /*out*/ iso9660_stat_t *p_stat);
#endif /* __ISO_ROCK_H__ */
/*