/* Buffer management for tar.
Copyright (C) 1988, 1992, 1993, 1994, 1996, 1997, 1999, 2000, 2001,
- 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+ 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software
+ Foundation, Inc.
Written by John Gilmore, on 1985-08-25.
enum read_header rc;
tar_stat_init (info);
- rc = read_header_primitive (false, info);
+ rc = read_header (¤t_header, info, false);
if (rc == HEADER_SUCCESS)
{
set_next_block_after (current_header);
}
\f
-/* Check the LABEL block against the volume label, seen as a globbing
+/* Check LABEL against the volume label, seen as a globbing
pattern. Return true if the pattern matches. In case of failure,
retry matching a volume sequence number before giving up in
multi-volume mode. */
static bool
-check_label_pattern (union block *label)
+check_label_pattern (const char *label)
{
char *string;
bool result;
- if (! memchr (label->header.name, '\0', sizeof label->header.name))
- return false;
-
- if (fnmatch (volume_label_option, label->header.name, 0) == 0)
+ if (fnmatch (volume_label_option, label, 0) == 0)
return true;
if (!multi_volume_option)
+ sizeof VOLUME_LABEL_APPEND + 1);
strcpy (string, volume_label_option);
strcat (string, VOLUME_LABEL_APPEND);
- result = fnmatch (string, label->header.name, 0) == 0;
+ result = fnmatch (string, label, 0) == 0;
free (string);
return result;
}
static void
match_volume_label (void)
{
- union block *label = find_next_block ();
-
- if (!label)
+ if (!volume_label)
+ {
+ union block *label = find_next_block ();
+
+ if (!label)
+ FATAL_ERROR ((0, 0, _("Archive not labeled to match %s"),
+ quote (volume_label_option)));
+ if (label->header.typeflag == GNUTYPE_VOLHDR)
+ {
+ if (memchr (label->header.name, '\0', sizeof label->header.name))
+ assign_string (&volume_label, label->header.name);
+ else
+ {
+ volume_label = xmalloc (sizeof (label->header.name) + 1);
+ memcpy (volume_label, label->header.name,
+ sizeof (label->header.name));
+ volume_label[sizeof (label->header.name)] = 0;
+ }
+ }
+ else if (label->header.typeflag == XGLTYPE)
+ {
+ struct tar_stat_info st;
+ tar_stat_init (&st);
+ xheader_read (&st.xhdr, label,
+ OFF_FROM_HEADER (label->header.size));
+ xheader_decode (&st);
+ tar_stat_destroy (&st);
+ }
+ }
+
+ if (!volume_label)
FATAL_ERROR ((0, 0, _("Archive not labeled to match %s"),
quote (volume_label_option)));
- if (!check_label_pattern (label))
+
+ if (!check_label_pattern (volume_label))
FATAL_ERROR ((0, 0, _("Volume %s does not match %s"),
- quote_n (0, label->header.name),
+ quote_n (0, volume_label),
quote_n (1, volume_label_option)));
}