Tue Sep 16 15:34:21 1997 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu>

	* rr.c (gnuext_live): New variable.
	(rrip_work): Comprehend AU, TR, MD, and FL, all as GNU
	extensions.  Recognize GNU extension id field when processing ER
	fields.
	(release_rrip): Free RR->trans if it's live.
	* inode.c (read_disknode): Interpret and install the values set by
	AU, TR, MD, and FL extensions.
	(diskfs_node_norefs): Free NP->translator if it's set.
	* isofs.h (struct disknode): New members `translen' and
	`translator'.
	* rr.h (struct gn_au, struct gn_tr, struct gn_md, struct gn_fl):
	New strucures.
	(GNUEXT_SRC, GNUEXT_DES, GNUEXT_ID, GNUEXT_VERS): New macros.
	(struct rrip_lookup): New members author, translen, trans,
	allmode, flags.
	(VALID_AU, VALID_TR, VALID_MD, VALID_FL): New macros.

	* Makefile (DIST_FILES): Add, referring to EXTENSIONS.
	* EXTENSIONS: New file.

1 files changed, 52 insertions, 0 deletions

diff --git a/isofs/rr.h b/isofs/rr.h
index a3995be5..ad4f3fb7 100644
--- a/isofs/rr.h
+++ b/isofs/rr.h
@@ -54,6 +54,19 @@ struct rrip_lookup
   /* RL */
   off_t realfilestart;		/* override file start in dir entry */
 
+  /* AU */
+  uid_t author;
+
+  /* TR */
+  size_t translen;
+  char *trans;
+  
+  /* MD */
+  mode_t allmode;
+  
+  /* FL */
+  long flags;
+
   int valid;
 };
 
@@ -66,6 +79,10 @@ struct rrip_lookup
 #define VALID_PL	0x0020
 #define VALID_TF	0x0040
 #define VALID_RE	0x0080
+#define VALID_AU	0x0100
+#define VALID_TR	0x0200
+#define VALID_MD	0x0400
+#define VALID_FL	0x0800
 
 
 /* Definitions for System Use Sharing Protocol.
@@ -204,6 +221,41 @@ struct rr_sf
   char size[8];
 };
 
+
+/* GNU extensions */
+
+#define GNUEXT_VERS	1
+#define GNUEXT_ID	GNUEXT_1997
+#define GNUEXT_DES \
+   "The GNU Extensions provide support for special GNU filesystem features"
+#define GNUEXT_SRC \
+   "GNU Hurd source release 0.3 or later"
+
+/* AU -- author (version 1) */
+struct gn_au
+{
+  char author[8];
+};
+
+/* TR -- translator (version 1) */
+struct gn_tr
+{
+  u_char len;
+  char data[0];
+};
+
+/* MD -- full mode (version 1) */
+struct gn_md
+{
+  char mode[8];
+};
+
+/* FL -- flags (version 1) */
+struct gn_fl
+{
+  char flags[8];
+};
+
 
 /* Rock-Ridge related functions. */