archive_read_support_compression_all.c revision 228761 
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: head/lib/libarchive/archive_read_support_compression_all.c 201248 2009-12-30 06:12:03Z kientzle $");
28
29#include "archive.h"
30
31int
32archive_read_support_compression_all(struct archive *a)
33{
34	/* Bzip falls back to "bunzip2" command-line */
35	archive_read_support_compression_bzip2(a);
36	/* The decompress code doesn't use an outside library. */
37	archive_read_support_compression_compress(a);
38	/* Gzip decompress falls back to "gunzip" command-line. */
39	archive_read_support_compression_gzip(a);
40	/* The LZMA file format has a very weak signature, so it
41	 * may not be feasible to keep this here, but we'll try.
42	 * This will come back out if there are problems. */
43	/* Lzma falls back to "unlzma" command-line program. */
44	archive_read_support_compression_lzma(a);
45	/* Xz falls back to "unxz" command-line program. */
46	archive_read_support_compression_xz(a);
47	/* The decode code doesn't use an outside library. */
48	archive_read_support_compression_uu(a);
49	/* The decode code doesn't use an outside library. */
50	archive_read_support_compression_rpm(a);
51
52	/* Note: We always return ARCHIVE_OK here, even if some of the
53	 * above return ARCHIVE_WARN.  The intent here is to enable
54	 * "as much as possible."  Clients who need specific
55	 * compression should enable those individually so they can
56	 * verify the level of support. */
57	/* Clear any warning messages set by the above functions. */
58	archive_clear_error(a);
59	return (ARCHIVE_OK);
60}
61