X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=src%2Fsparse.c;h=aa76c61c2ab232401d533005ae016fcee1bebd04;hb=250db35f17d7700f4d209fd086b7dbc5b7ebe88f;hp=f2d9f58bf407ed642d66ffa1373e211e1fd6f927;hpb=4b3dd17c002c2499c60c957780db10011805f015;p=chaz%2Ftar

diff --git a/src/sparse.c b/src/sparse.c
index f2d9f58..aa76c61 100644
--- a/src/sparse.c
+++ b/src/sparse.c
@@ -1,6 +1,6 @@
 /* Functions for dealing with sparse files
 
-   Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+   Copyright (C) 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by the
@@ -409,15 +409,6 @@ sparse_dump_file (int fd, struct tar_stat_info *st)
   return (tar_sparse_done (&file) && rc) ? dump_status_ok : dump_status_short;
 }
 
-/* Returns true if the file represented by stat is a sparse one */
-bool
-sparse_file_p (struct tar_stat_info *st)
-{
-  return (ST_NBLOCKS (st->stat)
-	  < (st->stat.st_size / ST_NBLOCKSIZE
-	     + (st->stat.st_size % ST_NBLOCKSIZE != 0)));
-}
-
 bool
 sparse_member_p (struct tar_stat_info *st)
 {
@@ -475,7 +466,7 @@ sparse_skip_file (struct tar_stat_info *st)
   file.fd = -1;
 
   rc = tar_sparse_decode_header (&file);
-  skip_file (file.stat_info->archive_file_size);
+  skip_file (file.stat_info->archive_file_size - file.dumped_size);
   return (tar_sparse_done (&file) && rc) ? dump_status_ok : dump_status_short;
 }
 
@@ -954,16 +945,19 @@ pax_dump_header_0 (struct tar_sparse_file *file)
       file->stat_info->file_name = xheader_format_name (file->stat_info,
 					       "%d/GNUSparseFile.%p/%f", 0);
 
-      xheader_string_begin ();
+      xheader_string_begin (&file->stat_info->xhdr);
       for (i = 0; i < file->stat_info->sparse_map_avail; i++)
 	{
 	  if (i)
-	    xheader_string_add (",");
-	  xheader_string_add (umaxtostr (map[i].offset, nbuf));
-	  xheader_string_add (",");
-	  xheader_string_add (umaxtostr (map[i].numbytes, nbuf));
+	    xheader_string_add (&file->stat_info->xhdr, ",");
+	  xheader_string_add (&file->stat_info->xhdr,
+			      umaxtostr (map[i].offset, nbuf));
+	  xheader_string_add (&file->stat_info->xhdr, ",");
+	  xheader_string_add (&file->stat_info->xhdr,
+			      umaxtostr (map[i].numbytes, nbuf));
 	}
-      if (!xheader_string_end ("GNU.sparse.map"))
+      if (!xheader_string_end (&file->stat_info->xhdr,
+			       "GNU.sparse.map"))
 	{
 	  free (file->stat_info->file_name);
 	  file->stat_info->file_name = save_file_name;
@@ -1023,6 +1017,7 @@ pax_dump_header_1 (struct tar_sparse_file *file)
     }
   size = (size + BLOCKSIZE - 1) / BLOCKSIZE;
   file->stat_info->archive_file_size += size * BLOCKSIZE;
+  file->dumped_size += size * BLOCKSIZE;
   
   /* Store sparse file identification */
   xheader_store ("GNU.sparse.major", file->stat_info, NULL);
@@ -1113,7 +1108,8 @@ pax_decode_header (struct tar_sparse_file *file)
        if (src == endp)                                            \
 	 {                                                         \
 	   set_next_block_after (b);                               \
-	   b = find_next_block ();                                 \
+           file->dumped_size += BLOCKSIZE;                         \
+           b = find_next_block ();                                 \
            src = b->buffer;                                        \
 	   endp = b->buffer + BLOCKSIZE;                           \
 	 }                                                         \
@@ -1124,6 +1120,7 @@ pax_decode_header (struct tar_sparse_file *file)
  } while (0)                       
 
       set_next_block_after (current_header);
+      file->dumped_size += BLOCKSIZE;
       blk = find_next_block ();
       p = blk->buffer;
       COPY_BUF (blk,nbuf,p);