Update copyright year to 2006.

[chaz/tar] / src / extract.c

diff --git a/src/extract.c b/src/extract.c
index c89ebd01e74c4a1acb7abffd0b6fabc3f0e83892..a630bb799dea386b9f4e598a37c6b6f35baad50e 100644 (file)
--- a/src/extract.c
+++ b/src/extract.c
@@ -1,7 +1,7 @@
 /* Extract files from a tar archive.
 
    Copyright (C) 1988, 1992, 1993, 1994, 1996, 1997, 1998, 1999, 2000,
-   2001, 2003, 2004, 2005 Free Software Foundation, Inc.
+   2001, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
 
    Written by John Gilmore, on 1985-11-19.
 
@@ -30,11 +30,6 @@
 static bool we_are_root;       /* true if our effective uid == 0 */
 static mode_t newdir_umask;    /* umask when creating new directories */
 static mode_t current_umask;   /* current umask (which is set to 0 if -p) */
-static bool directories_first;  /* Directory members precede non-directory
-                                  ones in the archive. This is detected for
-                                  incremental archives only. This variable
-                                  helps correctly restore directory
-                                  timestamps */
 
 /* Status of the permissions of a file that we are extracting.  */
 enum permstatus
@@ -120,19 +115,6 @@ extr_init (void)
   same_permissions_option += we_are_root;
   same_owner_option += we_are_root;
 
-  /* Save 'root device' to avoid purging mount points.
-     FIXME: Should the same be done after handling -C option ? */
-  if (one_file_system_option)
-    {
-      struct stat st;
-      char *dir = xgetcwd ();
-
-      if (deref_stat (true, dir, &st))
-       stat_diag (dir);
-      else
-       root_device = st.st_dev;
-    }
-
   /* Option -p clears the kernel umask, so it does not affect proper
      restoration of file permissions.  New intermediate directories will
      comply with umask at start of program.  */
@@ -331,13 +313,13 @@ set_stat (char const *file_name,
    NOTICE: this works only if the archive has usual member order, i.e.
    directory, then the files in that directory. Incremental archive have
    somewhat reversed order: first go subdirectories, then all other
-   members. To help cope with this case the variable directories_first
-   is set by prepare_to_extract.
+   members. To help cope with this case the variable
+   delay_directory_restore_option is set by prepare_to_extract.
 
    If an archive was explicitely created so that its member order is
    reversed, some directory timestamps can be restored incorrectly,
    e.g.:
-       tar --no-recursion -cf archive dir dir/subdir dir/subdir/file
+       tar --no-recursion -cf archive dir dir/file1 foo dir/file2
 */
 static void
 delay_set_stat (char const *file_name, struct tar_stat_info const *st,
@@ -626,6 +608,19 @@ extract_dir (char *file_name, int typeflag)
   mode_t mode;
   int interdir_made = 0;
 
+  /* Save 'root device' to avoid purging mount points. */
+  if (one_file_system_option && root_device == 0)
+    {
+      struct stat st;
+      char *dir = xgetcwd ();
+
+      if (deref_stat (true, dir, &st))
+       stat_diag (dir);
+      else
+       root_device = st.st_dev;
+      free (dir);
+    }
+
   if (incremental_option)
     /* Read the entry and delete files that aren't listed in the archive.  */
     purge_directory (file_name);
@@ -764,26 +759,26 @@ extract_file (char *file_name, int typeflag)
     for (size = current_stat_info.stat.st_size; size > 0; )
       {
        mv_size_left (size);
-       
+
        /* Locate data, determine max length writeable, write it,
           block that we have used the data, then check if the write
           worked.  */
-       
+
        data_block = find_next_block ();
        if (! data_block)
          {
            ERROR ((0, 0, _("Unexpected EOF in archive")));
            break;              /* FIXME: What happens, then?  */
          }
-       
+
        written = available_space_after (data_block);
-       
+
        if (written > size)
          written = size;
        errno = 0;
        count = full_write (fd, data_block->buffer, written);
        size -= written;
-       
+
        set_next_block_after ((union block *)
                              (data_block->buffer + written - 1));
        if (count != written)
@@ -798,7 +793,7 @@ extract_file (char *file_name, int typeflag)
   skip_file (size);
 
   mv_end ();
-  
+
   /* If writing to stdout, don't try to do anything to the filename;
      it doesn't exist, or we don't want to touch it anyway.  */
 
@@ -1107,8 +1102,8 @@ prepare_to_extract (char const *file_name, int typeflag, tar_extractor_t *fun)
     case DIRTYPE:
     case GNUTYPE_DUMPDIR:
       *fun = extract_dir;
-      if (current_stat_info.dumpdir)
-       directories_first = true;
+      if (current_stat_info.is_dumpdir)
+       delay_directory_restore_option = true;
       break;
 
     case GNUTYPE_VOLHDR:
@@ -1213,9 +1208,9 @@ extract_archive (void)
   /* Restore stats for all non-ancestor directories, unless
      it is an incremental archive.
      (see NOTICE in the comment to delay_set_stat above) */
-  if (!directories_first)
+  if (!delay_directory_restore_option)
     apply_nonancestor_delayed_set_stat (file_name, 0);
-      
+
   /* Take a safety backup of a previously existing file.  */
 
   if (backup_option)