- extract_file:
- if (typeflag == GNUTYPE_SPARSE)
- {
- char *name;
- size_t name_length_bis;
-
- /* Kludge alert. NAME is assigned to header.name because
- during the extraction, the space that contains the header
- will get scribbled on, and the name will get munged, so any
- error messages that happen to contain the filename will look
- REAL interesting unless we do this. */
-
- name_length_bis = strlen (CURRENT_FILE_NAME) + 1;
- name = xmalloc (name_length_bis);
- memcpy (name, CURRENT_FILE_NAME, name_length_bis);
- size = current_stat.st_size;
- extract_sparse_file (fd, &size, current_stat.st_size, name);
- }
- else
- for (size = current_stat.st_size;
- size > 0;
- size -= written)
- {
- if (multi_volume_option)
- {
- assign_string (&save_name, current_file_name);
- save_totsize = current_stat.st_size;
- save_sizeleft = 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 on archive file")));
- break; /* FIXME: What happens, then? */
- }
-
- written = available_space_after (data_block);
-
- if (written > size)
- written = size;
- errno = 0; /* FIXME: errno should be read-only */
- sstatus = full_write (fd, data_block->buffer, written);
-
- set_next_block_after ((union block *)
- (data_block->buffer + written - 1));
- if (sstatus == written)
- continue;
-
- /* Error in writing to file. Print it, skip to next file in
- archive. */
-
- if (sstatus < 0)
- ERROR ((0, errno, _("%s: Could not write to file"),
- CURRENT_FILE_NAME));
- else
- ERROR ((0, 0, _("%s: Could only write %lu of %lu bytes"),
- CURRENT_FILE_NAME,
- (unsigned long) sstatus,
- (unsigned long) written));
- skip_file (size - written);
- break; /* still do the close, mod time, chmod, etc */
- }