Initial versions.

1 files changed, 213 insertions, 0 deletions

diff --git a/isofs/rr.h b/isofs/rr.h
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index 00000000..a3995be5
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+++ b/isofs/rr.h
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+/* 
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   Written by Thomas Bushnell, n/BSG.
+
+   This file is part of the GNU Hurd.
+
+   The GNU Hurd is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2, or (at
+   your option) any later version.
+
+   The GNU Hurd is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA. */
+
+#include "iso9660.h"
+
+/* The results of an rrip_scan_lookup call are one of these */
+struct rrip_lookup
+{
+  /* PX */
+  mode_t mode;
+  nlink_t nlink;
+  uid_t uid;
+  gid_t gid;
+
+  /* PN */
+  dev_t rdev;
+  
+  /* SL */
+  char *target;
+   
+  /* NM */
+  char *name;			/* name of this entry if changed (malloced) */
+  
+  /* CL */
+  off_t newloc;			/* relocated directory */
+  
+  /* PL */
+  off_t parloc;			/* parent of relocated directory */
+
+  /* TF */
+  int tfflags;
+  struct timespec atime, mtime, ctime;	/* file times */
+
+  /* CL */
+  struct dirrect *realdirent;	/* actual directory entry for attributes */
+
+  /* RL */
+  off_t realfilestart;		/* override file start in dir entry */
+
+  int valid;
+};
+
+/* VALID in one of these is from the following bits */
+#define VALID_PX	0x0001
+#define VALID_PN	0x0002
+#define VALID_SL	0x0004
+#define VALID_NM	0x0008
+#define VALID_CL	0x0010
+#define VALID_PL	0x0020
+#define VALID_TF	0x0040
+#define VALID_RE	0x0080
+
+
+/* Definitions for System Use Sharing Protocol.
+   Version 1.  Revision 1.10.  Dated July 16, 1993. */
+
+/* A system use field begins with the following header */
+struct su_header
+{
+  char sig[2];
+  unsigned char len;
+  char version;
+};
+
+/* The body of a CE (Continuation Area) field */
+struct su_ce
+{
+  char continuation[8];
+  char offset[8];
+  char size[8];
+};
+
+/* The body of a SP (Sharing Protocol Indicator) field */
+struct su_sp
+{
+  unsigned char check[2];
+  u_char skip;
+};
+
+#define SU_SP_CHECK_0 0xbe
+#define SU_SP_CHECK_1 0xef
+
+/* The body of a ER (Extension Reference) field */
+struct su_er
+{
+  u_char len_id;
+  u_char len_des;
+  u_char len_src;
+  u_char ext_ver;
+  char more[0];
+};
+
+
+
+
+/* Definitions for Rock Ridge extensions.
+   Version 1.  Revision 1.10.  Dated July 13, 1993. */
+
+/* These are the ER values to indicate the presence of Rock-Ridge
+   extensions. */
+#define ROCK_VERS	1
+#define ROCK_ID		"RRIP_1991A"
+#define ROCK_DES	\
+    "THE ROCK RIDGE INTERCHANGE PROTOCOL PROVIDES SUPPORT FOR POSIX FILE SYSTEM SEMANTICS"
+#define ROCK_SRC	\
+    "ROCK RIDGE SPECIFICATION VERSION 1 REVISION 1.10 JULY 13 1993"
+
+/* The body of a PX (Posix Attributes) field. */
+struct rr_px
+{
+  char mode[8];
+  char nlink[8];
+  char uid[8];
+  char gid[8];
+};
+
+/* The body of a PN (Posix Device Node) field. */
+struct rr_pn
+{
+  char high[8];
+  char low[8];
+};
+
+/* The body of a SL (Symbolic Link) field. */
+struct rr_sl
+{
+  u_char flags;
+  char data[0];
+};
+
+/* Each component in the DATA is: */
+struct rr_sl_comp
+{
+  u_char flags;
+  u_char len;
+  char name[0];
+};
+
+/* The body of a NM (Alternate Name) field. */
+struct rr_nm
+{
+  u_char flags;
+  char name[0];
+};
+
+/* Flags for SL and NM components */
+#define NAME_CONTINUE	0x01
+#define NAME_DOT	0x02
+#define NAME_DOTDOT	0x04
+#define NAME_ROOT	0x08
+#define NAME_VOLROOT	0x10
+#define NAME_HOST	0x20
+
+/* The body of a CL (Child Directory Location) field. */
+struct rr_cl
+{
+  char loc[8];
+};
+
+/* The body of a PL (Parent Directory Location) field. */
+struct rr_pl
+{
+  char loc[8];
+};
+
+/* The body of a TF (Time Stamp) field. */
+struct rr_tf 
+{
+  u_char flags;
+  char data[0];
+};
+
+/* Flags for a TF */
+#define TF_CREATION	0x01
+#define TF_MODIFY	0x02
+#define TF_ACCESS	0x04
+#define TF_ATTRIBUTES	0x08
+#define TF_BACKUP	0x10
+#define TF_EXPIRATION	0x20
+#define TF_EFFECTIVE	0x40
+#define TF_LONG_FORM	0x80
+
+
+/* The body of a SF (Sparse File) field. */
+struct rr_sf
+{
+  char size[8];
+};
+
+
+/* Rock-Ridge related functions. */
+
+int rrip_match_lookup (struct dirrect *, char *, size_t, struct rrip_lookup *);
+void rrip_lookup (struct dirrect *, struct rrip_lookup *, int);
+void rrip_initialize (struct dirrect *);
+void release_rrip (struct rrip_lookup *);