+
+static union block *
+write_extended (union block *old_header, char type)
+{
+ union block *header, hp;
+ struct tar_stat_info foo;
+ size_t size;
+ char *p;
+
+ if (extended_header.buffer || extended_header.stk == NULL)
+ return old_header;
+
+ xheader_finish (&extended_header);
+ size = extended_header.size;
+
+ memcpy (hp.buffer, old_header, sizeof (hp));
+
+ header = start_private_header ("././@PaxHeader", size);
+ header->header.typeflag = type;
+
+ finish_header (header, -1);
+
+ p = extended_header.buffer;
+
+ do
+ {
+ size_t len;
+
+ header = find_next_block ();
+ len = BLOCKSIZE;
+ if (len > size)
+ len = size;
+ memcpy (header->buffer, p, len);
+ if (len < BLOCKSIZE)
+ memset (header->buffer + len, 0, BLOCKSIZE - len);
+ p += len;
+ size -= len;
+ set_next_block_after (header);
+ }
+ while (size > 0);
+
+ xheader_destroy (&extended_header);
+ header = find_next_block ();
+ memcpy (header, &hp.buffer, sizeof (hp.buffer));
+ return header;
+}
+
+static union block *
+write_header_name (struct tar_stat_info *st)
+{
+ if (NAME_FIELD_SIZE <= strlen (st->file_name))
+ return write_long_name (st);
+ else
+ return write_short_name (st);
+}
+