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Import additional bugfix for reading and extracting makefs-created

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ISO images with tar.

Vendor revision 3648 (merge of 3647):
Additional fix to issue 168 because the change of r3642 was not sufficient.
  - Make sure "CL" entry appear after its "RE" entry which the "CL" entry
    should be connected with.
  - Give consideration to the case that the top level "RE" entry has
    already been exposed outside before its tree.

Approved by:	re (kib)
Obtained from:	libarchive (release/2.8, svn rev 3648)
MFC after:	3 days
This commit is contained in:
Martin Matuska 2011-09-02 13:03:56 +00:00
parent f68ebb0eec
commit 2c862d88e8
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=225329
1 changed files with 14 additions and 8 deletions
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22
lib/libarchive/archive_read_support_format_iso9660.c
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@ -1815,8 +1815,11 @@ parse_file_info(struct archive_read *a, struct file_info *parent,
file->re_descendant = 1;
if (file->cl_offset != 0) {
parent->subdirs++;
/* To be appeared before other dirs. */
file->offset = file->number = file->cl_offset;
/* Overwrite an offset and a number of this "CL" entry
* to appear before other dirs. "+1" to those is to
* make sure to appear after "RE" entry which this
* "CL" entry should be connected with. */
file->offset = file->number = file->cl_offset + 1;
}
}
@ -2581,13 +2584,16 @@ next_cache_entry(struct archive_read *a, struct iso9660 *iso9660,
continue;
} else if (file->re_descendant) {
/*
* Do not expose this at this time
* because we have not gotten its full-path
* name yet.
* If the top level "RE" entry of this entry
* is not exposed, we, accordingly, should not
* expose this entry at this time because
* we cannot make its proper full-path name.
*/
if (rede_add_entry(file) < 0)
goto fatal_rr;
continue;
if (rede_add_entry(file) == 0)
continue;
/* Otherwise we can expose this entry because
* it seems its top level "RE" has already been
* exposed. */
}
}
break;