1 /*-
2 * Copyright (c) 2014 Michihiro NAKAJIMA
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 #include "test.h"
26
DEFINE_TEST(test_option_lz4)27 DEFINE_TEST(test_option_lz4)
28 {
29 char *p;
30 int r;
31 size_t s;
32
33 /* Create a file. */
34 assertMakeFile("f", 0644, "a");
35
36 /* Archive it with lz4 compression. */
37 r = systemf("%s -cf - --lz4 f >archive.out 2>archive.err",
38 testprog);
39 p = slurpfile(&s, "archive.err");
40 p[s] = '\0';
41 if (r != 0) {
42 if (strstr(p, "Unsupported compression") != NULL) {
43 skipping("This version of bsdtar was compiled "
44 "without lz4 support");
45 goto done;
46 }
47 /* POSIX permits different handling of the spawnp
48 * system call used to launch the subsidiary
49 * program: */
50 /* Some systems fail immediately to spawn the new process. */
51 if (strstr(p, "Can't launch") != NULL && !canLz4()) {
52 skipping("This version of bsdtar uses an external lz4 program "
53 "but no such program is available on this system.");
54 goto done;
55 }
56 /* Some systems successfully spawn the new process,
57 * but fail to exec a program within that process.
58 * This results in failure at the first attempt to
59 * write. */
60 if (strstr(p, "Can't write") != NULL && !canLz4()) {
61 skipping("This version of bsdtar uses an external lz4 program "
62 "but no such program is available on this system.");
63 goto done;
64 }
65 /* On some systems the error won't be detected until closing
66 time, by a 127 exit error returned by waitpid. */
67 if (strstr(p, "Error closing") != NULL && !canLz4()) {
68 skipping("This version of bsdcpio uses an external lz4 program "
69 "but no such program is available on this system.");
70 return;
71 }
72 failure("--lz4 option is broken: %s", p);
73 assertEqualInt(r, 0);
74 goto done;
75 }
76 free(p);
77 /* Check that the archive file has an lz4 signature. */
78 p = slurpfile(&s, "archive.out");
79 assert(s > 2);
80 assertEqualMem(p, "\x04\x22\x4d\x18", 4);
81
82 done:
83 free(p);
84 }
85