1 /*-
2  * Copyright (c) 2003-2007 Tim Kientzle
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17  * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24  */
25 
26 #include "archive_platform.h"
27 __FBSDID("$FreeBSD: src/lib/libarchive/archive_read_extract.c,v 1.61 2008/05/26 17:00:22 kientzle Exp $");
28 
29 #ifdef HAVE_ERRNO_H
30 #include <errno.h>
31 #endif
32 
33 #include "archive.h"
34 #include "archive_entry.h"
35 #include "archive_private.h"
36 #include "archive_read_private.h"
37 
38 int
39 archive_read_extract(struct archive *_a, struct archive_entry *entry, int flags)
40 {
41 	struct archive_read_extract *extract;
42 	struct archive_read * a = (struct archive_read *)_a;
43 
44 	extract = __archive_read_get_extract(a);
45 	if (extract == NULL)
46 		return (ARCHIVE_FATAL);
47 
48 	/* If we haven't initialized the archive_write_disk object, do it now. */
49 	if (extract->ad == NULL) {
50 		extract->ad = archive_write_disk_new();
51 		if (extract->ad == NULL) {
52 			archive_set_error(&a->archive, ENOMEM, "Can't extract");
53 			return (ARCHIVE_FATAL);
54 		}
55 		archive_write_disk_set_standard_lookup(extract->ad);
56 	}
57 
58 	archive_write_disk_set_options(extract->ad, flags);
59 	return (archive_read_extract2(&a->archive, entry, extract->ad));
60 }
61