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* inode.c (use_file_start_id): Use file_start for directories, so
the inode of the directory is used for the ".." entries in all
sub-directories. Contrary to ChangeLog entry 2001-11-27, this is
safe, because the ISO9660 specification mandates that the first
entry in every directory must be ".", so a non-file_start using
directory record can not be the first one.
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* inode.c (diskfs_cached_lookup): Use ino_t for argument.
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* inode.c: Include <time.h>. Reported by Arkadi E. Shishlov
<arkadi@it.lv>.
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* rr.c (rrip_work): Use strdup instead malloc and strcpy.
Assert that strdup and malloc (for rr->trans) succeeds.
* pager.c: Include <errno.h>.
(create_disk_pager): If malloc fails, exit with error.
* main.c (read_sblock): Fail if malloc does.
* inode.c (diskfs_cached_lookup): When allocating memory for dn or
np fails, release spinlock, rrip (and allocated memory) and return
ENOMEM.
(load_inode): Likewise (but no rrip). Also, if *npp is non-zero,
release diskfs_node_refcnt_lock before returning.
Reported by Igor Khavkine <i_khavki@alcor.concordia.ca>.
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The last two changes introduced two new inode overlaps
(file_start was not shifted by store block size, and directories'
shifted file_start offset can be the same as the struct dirrect
offset of their first directory entry).
* inode.c (use_file_start_as_id): New function to determine
if to use file_start or struct dirrect * as node id.
The directory recognition code comes from read_disknode.
(cache_inode): Use use_file_start_as_id instead doing the work
ourselve. Shift file_start by store->log2_block_size.
(load_inode): Likewise.
* lookup.c (diskfs_get_directs): Likewise.
Declare use_file_start_id.
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Fix hard link handling for non-zero length files.
* inode.c: Fix comment about inode numbers.
(node_cache): New member ID to store unique identifier.
(inode_cache_find): Change RECORD arg into ID and compare it
with id member of node_cache.
(cache_inode): Swap order of args and add new arg RR (change dr
into record along the way). Use RR to find out cache ID.
Use id member of node_cache to look for ID. Cache ID.
(load_inode): Call inode_cache_find with correct ID, depending
on RR and file size. Frob arguments to cache_inode to comply with
the new definition.
(read_disknode): Set st_ino according depending on RR and file size.
* lookup.c: Doc spelling fix.
(diskfs_get_directs): Include code again that was removed by last change,
but use it only if not symlink or zero length file.
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Closes Debian Bug #68417:
* rr.c (rrip_work): In helper function add_comp set targused to
zero after malloc, and loop over realloc in case doubling is not
enough. After finalizing the link, set VALID_SL valid flag.
* inode.c (read_disknode): For links use rl->target instead
rl->name.
Closes Debian Bug #69281: Don't use file_start as inode numbers,
but the offset of the directory record in disk_image. This is what
Linux 2.4 does.
* isofs.h (struct disknode): New member struct dirrect *dr.
* inode.c: Fix comment about inode numbers.
(struct node_cache): Fix comment about file_start (it's not unique).
In fact, file_start is invalid for symlinks, and only stored here
for convenience. Maybe caching file_start can be avoided by
rearranging the code.
(inode_cache_find): Change first argument from off_t file_start
to struct dirrect *dr and fix the doc.
Compare cached value of DR with this argument, instead FILE_START.
(diskfs_cached_lookup): Set DR member of DN.
(load_inode): Call inode_cache_find with RECORD instead FILE_START.
Set DR member of DN.
(read_disknode): Set inode number to DR - DISK_IMAGE instead
FILE_START.
* lookup.c (diskfs_get_directs): Remove variable file_start.
Don't calculate file_start. Set D_FILENO to EP - DISK_IMAGE
instead FILE_START.
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* inode.c (diskfs_set_statfs): Remove __ from struct statfs members.
Use bzero first instead of setting individual fields to zero.
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* inode.c (diskfs_set_statfs): Fill in statfs members with
sensible values.
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* inode.c (read_disknode): Use FSTYPE_ISO9660.
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* lookup.c (diskfs_lookup_hard): Fix defn with `const'.
(diskfs_direnter_hard): Likewise.
(diskfs_get_directs): Use `const' for local var NAME.
* inode.c (diskfs_set_translator): Fix defn with `const'.
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RR should be RL.
Assign 0's type-correctly to NP->dn->translator and ->translen.
(diskfs_node_norefs):
The translator field is in NP->dn, not NP.
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* 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.
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* inode.c (read_disknode): Units of st_blocks are 512 byte chunks,
not logical_block_size chunks.
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