* src/names.c (file_list_name): Properly prototype.

[chaz/tar] / src / sparse.c

diff --git a/src/sparse.c b/src/sparse.c
index 9a9c2a82edefabe8584fcb9a7cb69dc3b7bf9bbb..417d4ff0aa37aca0c39550e77e9f6e62e39c7355 100644 (file)
--- a/src/sparse.c
+++ b/src/sparse.c
@@ -1,7 +1,6 @@
 /* Functions for dealing with sparse files
 
-   Copyright (C) 2003, 2004, 2005, 2006, 2007, 2010 Free Software
-   Foundation, Inc.
+   Copyright 2003-2007, 2010, 2013 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
@@ -14,8 +13,7 @@
    Public License for more details.
 
    You should have received a copy of the GNU General Public License along
-   with this program; if not, write to the Free Software Foundation, Inc.,
-   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+   with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <system.h>
 #include <inttostr.h>
@@ -919,6 +917,18 @@ pax_sparse_member_p (struct tar_sparse_file *file)
           || file->stat_info->sparse_major > 0;
 }
 
+/* Start a header that uses the effective (shrunken) file size.  */
+static union block *
+pax_start_header (struct tar_stat_info *st)
+{
+  off_t realsize = st->stat.st_size;
+  union block *blk;
+  st->stat.st_size = st->archive_file_size;
+  blk = start_header (st);
+  st->stat.st_size = realsize;
+  return blk;
+}
+
 static bool
 pax_dump_header_0 (struct tar_sparse_file *file)
 {
@@ -968,9 +978,7 @@ pax_dump_header_0 (struct tar_sparse_file *file)
          return false;
        }
     }
-  blk = start_header (file->stat_info);
-  /* Store the effective (shrunken) file size */
-  OFF_TO_CHARS (file->stat_info->archive_file_size, blk->header.size);
+  blk = pax_start_header (file->stat_info);
   finish_header (file->stat_info, blk, block_ordinal);
   if (save_file_name)
     {
@@ -1035,9 +1043,7 @@ pax_dump_header_1 (struct tar_sparse_file *file)
   if (strlen (file->stat_info->file_name) > NAME_FIELD_SIZE)
     file->stat_info->file_name[NAME_FIELD_SIZE] = 0;
 
-  blk = start_header (file->stat_info);
-  /* Store the effective (shrunken) file size */
-  OFF_TO_CHARS (file->stat_info->archive_file_size, blk->header.size);
+  blk = pax_start_header (file->stat_info);
   finish_header (file->stat_info, blk, block_ordinal);
   free (file->stat_info->file_name);
   file->stat_info->file_name = save_file_name;