Author: mm
Date: Fri Sep  2 13:03:56 2011
New Revision: 225329
URL: http://svn.freebsd.org/changeset/base/225329

Log:
  Import additional bugfix for reading and extracting makefs-created
  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

Modified:
  head/lib/libarchive/archive_read_support_format_iso9660.c

Modified: head/lib/libarchive/archive_read_support_format_iso9660.c
==============================================================================
--- head/lib/libarchive/archive_read_support_format_iso9660.c   Fri Sep  2 
09:55:35 2011        (r225328)
+++ head/lib/libarchive/archive_read_support_format_iso9660.c   Fri Sep  2 
13:03:56 2011        (r225329)
@@ -1815,8 +1815,11 @@ parse_file_info(struct archive_read *a, 
                        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,
                                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;
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