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authorDavid Leonard <d@cvs.openbsd.org>1999-07-01 02:20:23 +0000
committerDavid Leonard <d@cvs.openbsd.org>1999-07-01 02:20:23 +0000
commit4a0933d3bc42e7aedf2c0ba12283a8db5f7801e5 (patch)
treeb484402501920197cd128a5365c2405ed0f3603d /sys/isofs/cd9660
parent9cf4982800ba13916203ff0ff831a35b22c28522 (diff)
Add support for Joliet extensions. From FreeBSD
Diffstat (limited to 'sys/isofs/cd9660')
-rw-r--r--sys/isofs/cd9660/cd9660_extern.h9
-rw-r--r--sys/isofs/cd9660/cd9660_lookup.c6
-rw-r--r--sys/isofs/cd9660/cd9660_mount.h3
-rw-r--r--sys/isofs/cd9660/cd9660_rrip.c14
-rw-r--r--sys/isofs/cd9660/cd9660_util.c102
-rw-r--r--sys/isofs/cd9660/cd9660_vfsops.c98
-rw-r--r--sys/isofs/cd9660/cd9660_vnops.c16
-rw-r--r--sys/isofs/cd9660/iso.h44
8 files changed, 214 insertions, 78 deletions
diff --git a/sys/isofs/cd9660/cd9660_extern.h b/sys/isofs/cd9660/cd9660_extern.h
index c53d6c53e33..ebca4414354 100644
--- a/sys/isofs/cd9660/cd9660_extern.h
+++ b/sys/isofs/cd9660/cd9660_extern.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: cd9660_extern.h,v 1.2 1998/02/08 22:41:32 tholo Exp $ */
+/* $OpenBSD: cd9660_extern.h,v 1.3 1999/07/01 02:20:20 d Exp $ */
/* $NetBSD: cd9660_extern.h,v 1.1 1997/01/24 00:24:53 cgd Exp $ */
/*-
@@ -73,6 +73,8 @@ struct iso_mnt {
int rr_skip;
int rr_skip0;
+
+ int joliet_level;
};
#define VFSTOISOFS(mp) ((struct iso_mnt *)((mp)->mnt_data))
@@ -106,6 +108,7 @@ extern int (**cd9660_specop_p) __P((void *));
extern int (**cd9660_fifoop_p) __P((void *));
#endif
-int isofncmp __P((const u_char *, int, const u_char *, int));
-void isofntrans __P((u_char *, int, u_char *, u_short *, int, int));
+int isochar __P((const u_char *, const u_char *, int, u_char *));
+int isofncmp __P((const u_char *, int, const u_char *, int, int));
+void isofntrans __P((u_char *, int, u_char *, u_short *, int, int, int));
ino_t isodirino __P((struct iso_directory_record *, struct iso_mnt *));
diff --git a/sys/isofs/cd9660/cd9660_lookup.c b/sys/isofs/cd9660/cd9660_lookup.c
index 1bc86e0781a..c542115c77f 100644
--- a/sys/isofs/cd9660/cd9660_lookup.c
+++ b/sys/isofs/cd9660/cd9660_lookup.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cd9660_lookup.c,v 1.7 1997/12/02 17:47:38 csapuntz Exp $ */
+/* $OpenBSD: cd9660_lookup.c,v 1.8 1999/07/01 02:20:21 d Exp $ */
/* $NetBSD: cd9660_lookup.c,v 1.18 1997/05/08 16:19:59 mycroft Exp $ */
/*-
@@ -310,8 +310,8 @@ searchloop:
if (namelen != 1
|| ep->name[0] != 0)
goto notfound;
- } else if (!(res = isofncmp(name,len,
- ep->name,namelen))) {
+ } else if (!(res = isofncmp(name, len,
+ ep->name, namelen, imp->joliet_level))) {
if (isonum_711(ep->flags)&2)
ino = isodirino(ep, imp);
else
diff --git a/sys/isofs/cd9660/cd9660_mount.h b/sys/isofs/cd9660/cd9660_mount.h
index 6f2e1d39d9e..40c836cc729 100644
--- a/sys/isofs/cd9660/cd9660_mount.h
+++ b/sys/isofs/cd9660/cd9660_mount.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: cd9660_mount.h,v 1.2 1997/11/07 10:29:40 niklas Exp $ */
+/* $OpenBSD: cd9660_mount.h,v 1.3 1999/07/01 02:20:21 d Exp $ */
/*
* Copyright (c) 1995
@@ -46,3 +46,4 @@
#define ISOFSMNT_NORRIP 0x00000001 /* disable Rock Ridge Ext.*/
#define ISOFSMNT_GENS 0x00000002 /* enable generation numbers */
#define ISOFSMNT_EXTATT 0x00000004 /* enable extended attributes */
+#define ISOFSMNT_NOJOLIET 0x00000008 /* disable Joliet Ext.*/
diff --git a/sys/isofs/cd9660/cd9660_rrip.c b/sys/isofs/cd9660/cd9660_rrip.c
index 9bd8eb89094..2b050435eb3 100644
--- a/sys/isofs/cd9660/cd9660_rrip.c
+++ b/sys/isofs/cd9660/cd9660_rrip.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cd9660_rrip.c,v 1.4 1997/11/08 17:21:07 niklas Exp $ */
+/* $OpenBSD: cd9660_rrip.c,v 1.5 1999/07/01 02:20:21 d Exp $ */
/* $NetBSD: cd9660_rrip.c,v 1.17 1997/01/24 00:27:32 cgd Exp $ */
/*-
@@ -303,7 +303,7 @@ cd9660_rrip_defname(v, ana)
default:
isofntrans(isodir->name, isonum_711(isodir->name_len),
ana->outbuf, ana->outlen, 1,
- isonum_711(isodir->flags) & 4);
+ isonum_711(isodir->flags) & 4, ana->imp->joliet_level);
break;
case 0:
*ana->outlen = 1;
@@ -531,6 +531,7 @@ cd9660_rrip_loop(isodir, ana, table)
register ISO_SUSP_HEADER *pend;
struct buf *bp = NULL;
char *pwhead;
+ u_char c;
int result;
/*
@@ -540,10 +541,10 @@ cd9660_rrip_loop(isodir, ana, table)
pwhead = isodir->name + isonum_711(isodir->name_len);
if (!(isonum_711(isodir->name_len) & 1))
pwhead++;
+ isochar(isodir->name, pwhead, ana->imp->joliet_level, &c);
/* If it's not the '.' entry of the root dir obey SP field */
- if (*isodir->name != 0 ||
- isonum_733(isodir->extent) != ana->imp->root_extent)
+ if (c != 0 || isonum_733(isodir->extent) != ana->imp->root_extent)
pwhead += ana->imp->rr_skip;
else
pwhead += ana->imp->rr_skip0;
@@ -683,6 +684,7 @@ cd9660_rrip_getname(isodir, outbuf, outlen, inump, imp)
{
ISO_RRIP_ANALYZE analyze;
RRIP_TABLE *tab;
+ u_char c;
analyze.outbuf = outbuf;
analyze.outlen = outlen;
@@ -693,8 +695,10 @@ cd9660_rrip_getname(isodir, outbuf, outlen, inump, imp)
ISO_SUSP_PLINK;
*outlen = 0;
+ isochar(isodir->name, isodir->name + isonum_711(isodir->name_len),
+ imp->joliet_level, &c);
tab = rrip_table_getname;
- if (*isodir->name == 0 || *isodir->name == 1) {
+ if (c == 0 || c == 1) {
cd9660_rrip_defname(isodir, &analyze);
analyze.fields &= ~ISO_SUSP_ALTNAME;
diff --git a/sys/isofs/cd9660/cd9660_util.c b/sys/isofs/cd9660/cd9660_util.c
index aa29e2edd54..248013dfc6a 100644
--- a/sys/isofs/cd9660/cd9660_util.c
+++ b/sys/isofs/cd9660/cd9660_util.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cd9660_util.c,v 1.4 1997/11/08 17:21:07 niklas Exp $ */
+/* $OpenBSD: cd9660_util.c,v 1.5 1999/07/01 02:20:22 d Exp $ */
/* $NetBSD: cd9660_util.c,v 1.12 1997/01/24 00:27:33 cgd Exp $ */
/*-
@@ -8,7 +8,8 @@
* This code is derived from software contributed to Berkeley
* by Pace Willisson (pace@blitz.com). The Rock Ridge Extension
* Support code is derived from software contributed to Berkeley
- * by Atsushi Murai (amurai@spec.co.jp).
+ * by Atsushi Murai (amurai@spec.co.jp). Joliet support was added by
+ * Joachim Kuebart (joki@kuebart.stuttgart.netsurf.de).
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -60,35 +61,63 @@
#include <isofs/cd9660/cd9660_extern.h>
/*
+ * Get one character out of an iso filename
+ * Obey joliet_level
+ * Return number of bytes consumed
+ */
+int
+isochar(isofn, isoend, joliet_level, c)
+ const u_char *isofn;
+ const u_char *isoend;
+ int joliet_level;
+ u_char *c;
+{
+ *c = *isofn++;
+ if (joliet_level == 0 || isofn == isoend)
+ /* (00) and (01) are one byte in Joliet, too */
+ return 1;
+
+ /* No Unicode support yet :-( */
+ switch (*c) {
+ default:
+ *c = '?';
+ break;
+ case '\0':
+ *c = *isofn;
+ break;
+ }
+ return 2;
+}
+
+/*
* translate and compare a filename
+ * returns (fn - isofn)
* Note: Version number plus ';' may be omitted.
*/
int
-isofncmp(fn, fnlen, isofn, isolen)
+isofncmp(fn, fnlen, isofn, isolen, joliet_level)
const u_char *fn, *isofn;
- int fnlen, isolen;
+ int fnlen, isolen, joliet_level;
{
int i, j;
- char c;
+ u_char c;
+ const u_char *fnend = fn + fnlen, *isoend = isofn + isolen;
- while (--fnlen >= 0) {
- if (--isolen < 0)
+ for (; fn != fnend; fn++) {
+ if (isofn == isoend)
return *fn;
- if ((c = *isofn++) == ';') {
- switch (*fn++) {
- default:
- return *--fn;
- case 0:
- return 0;
- case ';':
- break;
- }
- for (i = 0; --fnlen >= 0; i = i * 10 + *fn++ - '0') {
+ isofn += isochar(isofn, isoend, joliet_level, &c);
+ if (c == ';') {
+ if (*fn++ != ';')
+ return fn[-1];
+ for (i = 0; fn != fnend; i = i * 10 + *fn++ - '0') {
if (*fn < '0' || *fn > '9') {
return -1;
}
}
- for (j = 0; --isolen >= 0; j = j * 10 + *isofn++ - '0');
+ for (j = 0; isofn != isoend; j = j * 10 + c - '0')
+ isofn += isochar(isofn, isoend,
+ joliet_level, &c);
return i - j;
}
if (((u_char) c) != *fn) {
@@ -102,15 +131,19 @@ isofncmp(fn, fnlen, isofn, isolen)
} else
return *fn - c;
}
- fn++;
}
- if (isolen > 0) {
- switch (*isofn) {
+ if (isofn != isoend) {
+ isofn += isochar(isofn, isoend, joliet_level, &c);
+ switch (c) {
default:
- return -1;
+ return -c;
case '.':
- if (isofn[1] != ';')
- return -1;
+ if (isofn != isoend) {
+ isochar(isofn, isoend, joliet_level, &c);
+ if (c == ';')
+ return 0;
+ }
+ return -1;
case ';':
return 0;
}
@@ -119,34 +152,33 @@ isofncmp(fn, fnlen, isofn, isolen)
}
/*
- * translate a filename
+ * translate a filename of length > 0
*/
void
-isofntrans(infn, infnlen, outfn, outfnlen, original, assoc)
+isofntrans(infn, infnlen, outfn, outfnlen, original, assoc, joliet_level)
u_char *infn, *outfn;
int infnlen;
u_short *outfnlen;
int original;
int assoc;
+ int joliet_level;
{
int fnidx = 0;
+ u_char c, d = '\0', *infnend = infn + infnlen;
if (assoc) {
*outfn++ = ASSOCCHAR;
fnidx++;
- infnlen++;
}
- for (; fnidx < infnlen; fnidx++) {
- char c = *infn++;
+ for (; infn != infnend; fnidx++) {
+ infn += isochar(infn, infnend, joliet_level, &c);
- if (!original && c >= 'A' && c <= 'Z')
- *outfn++ = c + ('a' - 'A');
- else if (!original && c == '.' && *infn == ';')
- break;
- else if (!original && c == ';')
+ if (!original && c == ';') {
+ fnidx -= (d == '.');
break;
- else
+ } else
*outfn++ = c;
+ d = c;
}
*outfnlen = fnidx;
}
diff --git a/sys/isofs/cd9660/cd9660_vfsops.c b/sys/isofs/cd9660/cd9660_vfsops.c
index a8a00c2ffd5..06a4885237b 100644
--- a/sys/isofs/cd9660/cd9660_vfsops.c
+++ b/sys/isofs/cd9660/cd9660_vfsops.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cd9660_vfsops.c,v 1.16 1999/05/31 17:34:46 millert Exp $ */
+/* $OpenBSD: cd9660_vfsops.c,v 1.17 1999/07/01 02:20:22 d Exp $ */
/* $NetBSD: cd9660_vfsops.c,v 1.26 1997/06/13 15:38:58 pk Exp $ */
/*-
@@ -63,6 +63,7 @@
#include <isofs/cd9660/cd9660_extern.h>
#include <isofs/cd9660/iso_rrip.h>
#include <isofs/cd9660/cd9660_node.h>
+#include <isofs/cd9660/cd9660_mount.h>
struct vfsops cd9660_vfsops = {
cd9660_mount,
@@ -223,6 +224,7 @@ iso_mountfs(devvp, mp, p, argp)
{
register struct iso_mnt *isomp = (struct iso_mnt *)0;
struct buf *bp = NULL;
+ struct buf *pribp = NULL, *supbp = NULL;
dev_t dev = devvp->v_rdev;
int error = EINVAL;
int needclose = 0;
@@ -230,8 +232,10 @@ iso_mountfs(devvp, mp, p, argp)
extern struct vnode *rootvp;
int iso_bsize;
int iso_blknum;
+ int joliet_level;
struct iso_volume_descriptor *vdp;
struct iso_primary_descriptor *pri;
+ struct iso_supplementary_descriptor *sup = NULL;
struct iso_directory_record *rootp;
int logical_block_size;
@@ -262,6 +266,7 @@ iso_mountfs(devvp, mp, p, argp)
*/
iso_bsize = ISO_DEFAULT_BLOCK_SIZE;
+ joliet_level = 0;
for (iso_blknum = 16; iso_blknum < 100; iso_blknum++) {
if ((error = bread(devvp, iso_blknum * btodb(iso_bsize),
iso_bsize, NOCRED, &bp)) != 0)
@@ -273,23 +278,56 @@ iso_mountfs(devvp, mp, p, argp)
goto out;
}
- if (isonum_711 (vdp->type) == ISO_VD_END) {
- error = EINVAL;
- goto out;
- }
-
- if (isonum_711 (vdp->type) == ISO_VD_PRIMARY)
+ switch (isonum_711 (vdp->type)){
+ case ISO_VD_PRIMARY:
+ if (pribp == NULL) {
+ pribp = bp;
+ bp = NULL;
+ pri = (struct iso_primary_descriptor *)vdp;
+ }
+ break;
+ case ISO_VD_SUPPLEMENTARY:
+ if (supbp == NULL) {
+ supbp = bp;
+ bp = NULL;
+ sup = (struct iso_supplementary_descriptor *)vdp;
+
+ if (!(argp->flags & ISOFSMNT_NOJOLIET)) {
+ if (bcmp(sup->escape, "%/@", 3) == 0)
+ joliet_level = 1;
+ if (bcmp(sup->escape, "%/C", 3) == 0)
+ joliet_level = 2;
+ if (bcmp(sup->escape, "%/E", 3) == 0)
+ joliet_level = 3;
+
+ if (isonum_711 (sup->flags) & 1)
+ joliet_level = 0;
+ }
+ }
break;
+
+ case ISO_VD_END:
+ goto vd_end;
+
+ default:
+ break;
+ }
+ if (bp) {
+ brelse(bp);
+ bp = NULL;
+ }
+ }
+ vd_end:
+ if (bp) {
brelse(bp);
+ bp = NULL;
}
-
- if (isonum_711 (vdp->type) != ISO_VD_PRIMARY) {
+
+ if (pri == NULL) {
error = EINVAL;
goto out;
}
-
- pri = (struct iso_primary_descriptor *)vdp;
-
+
logical_block_size = isonum_723 (pri->logical_block_size);
if (logical_block_size < DEV_BSIZE || logical_block_size > MAXBSIZE
@@ -307,15 +345,14 @@ iso_mountfs(devvp, mp, p, argp)
bcopy (rootp, isomp->root, sizeof isomp->root);
isomp->root_extent = isonum_733 (rootp->extent);
isomp->root_size = isonum_733 (rootp->size);
+ isomp->joliet_level = 0;
isomp->im_bmask = logical_block_size - 1;
- isomp->im_bshift = 0;
- while ((1 << isomp->im_bshift) < isomp->logical_block_size)
- isomp->im_bshift++;
-
- bp->b_flags |= B_AGE;
- brelse(bp);
- bp = NULL;
+ isomp->im_bshift = ffs(logical_block_size) - 1;
+
+ pribp->b_flags |= B_AGE;
+ brelse(pribp);
+ pribp = NULL;
mp->mnt_data = (qaddr_t)isomp;
mp->mnt_stat.f_fsid.val[0] = (long)dev;
@@ -353,7 +390,7 @@ iso_mountfs(devvp, mp, p, argp)
bp = NULL;
}
isomp->im_flags = argp->flags & (ISOFSMNT_NORRIP | ISOFSMNT_GENS |
- ISOFSMNT_EXTATT);
+ ISOFSMNT_EXTATT | ISOFSMNT_NOJOLIET);
switch (isomp->im_flags & (ISOFSMNT_NORRIP | ISOFSMNT_GENS)) {
default:
isomp->iso_ftype = ISO_FTYPE_DEFAULT;
@@ -365,11 +402,30 @@ iso_mountfs(devvp, mp, p, argp)
isomp->iso_ftype = ISO_FTYPE_RRIP;
break;
}
-
+
+ /* Decide whether to use the Joliet descriptor */
+
+ if (isomp->iso_ftype != ISO_FTYPE_RRIP && joliet_level) {
+ rootp = (struct iso_directory_record *)
+ sup->root_directory_record;
+ bcopy(rootp, isomp->root, sizeof isomp->root);
+ isomp->root_extent = isonum_733(rootp->extent);
+ isomp->root_size = isonum_733(rootp->size);
+ isomp->joliet_level = joliet_level;
+ supbp->b_flags |= B_AGE;
+ }
+
+ if (supbp) {
+ brelse(supbp);
+ supbp = NULL;
+ }
+
return (0);
out:
if (bp)
brelse(bp);
+ if (supbp)
+ brelse(supbp);
if (needclose)
(void)VOP_CLOSE(devvp, ronly ? FREAD : FREAD|FWRITE, NOCRED,
p);
diff --git a/sys/isofs/cd9660/cd9660_vnops.c b/sys/isofs/cd9660/cd9660_vnops.c
index c8e9ee08298..b634f9ced9c 100644
--- a/sys/isofs/cd9660/cd9660_vnops.c
+++ b/sys/isofs/cd9660/cd9660_vnops.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cd9660_vnops.c,v 1.10 1998/08/06 19:34:22 csapuntz Exp $ */
+/* $OpenBSD: cd9660_vnops.c,v 1.11 1999/07/01 02:20:22 d Exp $ */
/* $NetBSD: cd9660_vnops.c,v 1.42 1997/10/16 23:56:57 christos Exp $ */
/*-
@@ -636,26 +636,24 @@ cd9660_readdir(v)
break;
default: /* ISO_FTYPE_DEFAULT || ISO_FTYPE_9660 */
strcpy(idp->current.d_name,"..");
- switch (ep->name[0]) {
- case 0:
+ if (idp->current.d_namlen == 1 && ep->name[0] == 0) {
idp->current.d_namlen = 1;
error = iso_uiodir(idp,&idp->current,idp->curroff);
- break;
- case 1:
+ } else if (idp->current.d_namlen == 1 &&
+ ep->name[0] == 1) {
idp->current.d_namlen = 2;
error = iso_uiodir(idp,&idp->current,idp->curroff);
- break;
- default:
+ } else {
isofntrans(ep->name,idp->current.d_namlen,
idp->current.d_name, &namelen,
imp->iso_ftype == ISO_FTYPE_9660,
- isonum_711(ep->flags)&4);
+ isonum_711(ep->flags) & 4,
+ imp->joliet_level);
idp->current.d_namlen = (u_char)namelen;
if (imp->iso_ftype == ISO_FTYPE_DEFAULT)
error = iso_shipdir(idp);
else
error = iso_uiodir(idp,&idp->current,idp->curroff);
- break;
}
}
if (error)
diff --git a/sys/isofs/cd9660/iso.h b/sys/isofs/cd9660/iso.h
index 19c47c153dd..13ab6416620 100644
--- a/sys/isofs/cd9660/iso.h
+++ b/sys/isofs/cd9660/iso.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: iso.h,v 1.8 1998/05/30 02:28:38 mickey Exp $ */
+/* $OpenBSD: iso.h,v 1.9 1999/07/01 02:20:22 d Exp $ */
/* $NetBSD: iso.h,v 1.20 1997/07/07 22:45:34 cgd Exp $ */
/*-
@@ -58,6 +58,7 @@ struct iso_volume_descriptor {
/* volume descriptor types */
#define ISO_VD_PRIMARY 1
+#define ISO_VD_SUPPLEMENTARY 2
#define ISO_VD_END 255
#define ISO_STANDARD_ID "CD001"
@@ -101,6 +102,47 @@ struct iso_primary_descriptor {
#define ISO_DEFAULT_BLOCK_SHIFT 11
#define ISO_DEFAULT_BLOCK_SIZE (1<<ISO_DEFAULT_BLOCK_SHIFT)
+/*
+ * Used by Microsoft Joliet extension to ISO9660. Almost the same
+ * as PVD, but byte position 8 is a flag, and 89-120 is for escape.
+ */
+
+struct iso_supplementary_descriptor {
+ char type [ISODCL ( 1, 1)]; /* 711 */
+ char id [ISODCL ( 2, 6)];
+ char version [ISODCL ( 7, 7)]; /* 711 */
+ char flags [ISODCL ( 8, 8)];
+ char system_id [ISODCL ( 9, 40)]; /* achars */
+ char volume_id [ISODCL ( 41, 72)]; /* dchars */
+ char unused2 [ISODCL ( 73, 80)];
+ char volume_space_size [ISODCL ( 81, 88)]; /* 733 */
+ char escape [ISODCL ( 89, 120)];
+ char volume_set_size [ISODCL (121, 124)]; /* 723 */
+ char volume_sequence_number [ISODCL (125, 128)]; /* 723 */
+ char logical_block_size [ISODCL (129, 132)]; /* 723 */
+ char path_table_size [ISODCL (133, 140)]; /* 733 */
+ char type_l_path_table [ISODCL (141, 144)]; /* 731 */
+ char opt_type_l_path_table [ISODCL (145, 148)]; /* 731 */
+ char type_m_path_table [ISODCL (149, 152)]; /* 732 */
+ char opt_type_m_path_table [ISODCL (153, 156)]; /* 732 */
+ char root_directory_record [ISODCL (157, 190)]; /* 9.1 */
+ char volume_set_id [ISODCL (191, 318)]; /* dchars */
+ char publisher_id [ISODCL (319, 446)]; /* achars */
+ char preparer_id [ISODCL (447, 574)]; /* achars */
+ char application_id [ISODCL (575, 702)]; /* achars */
+ char copyright_file_id [ISODCL (703, 739)]; /* 7.5 dchars */
+ char abstract_file_id [ISODCL (740, 776)]; /* 7.5 dchars */
+ char bibliographic_file_id [ISODCL (777, 813)]; /* 7.5 dchars */
+ char creation_date [ISODCL (814, 830)]; /* 8.4.26.1 */
+ char modification_date [ISODCL (831, 847)]; /* 8.4.26.1 */
+ char expiration_date [ISODCL (848, 864)]; /* 8.4.26.1 */
+ char effective_date [ISODCL (865, 881)]; /* 8.4.26.1 */
+ char file_structure_version [ISODCL (882, 882)]; /* 711 */
+ char unused4 [ISODCL (883, 883)];
+ char application_data [ISODCL (884, 1395)];
+ char unused5 [ISODCL (1396, 2048)];
+};
+
struct iso_directory_record {
char length [ISODCL (1, 1)]; /* 711 */
char ext_attr_length [ISODCL (2, 2)]; /* 711 */