xref: /freebsd/contrib/libarchive/tar/test/test_option_z.c (revision 7fdf597e96a02165cfe22ff357b857d5fa15ed8a)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2003-2007 Tim Kientzle
5  * Copyright (c) 2012 Michihiro NAKAJIMA
6  * All rights reserved.
7  */
8 #include "test.h"
9 
10 DEFINE_TEST(test_option_z)
11 {
12 	char *p;
13 	int r;
14 	size_t s;
15 
16 	/* Create a file. */
17 	assertMakeFile("f", 0644, "a");
18 
19 	/* Archive it with gzip compression. */
20 	r = systemf("%s -zcf archive.out f 2>archive.err", testprog);
21 	p = slurpfile(&s, "archive.err");
22 	p[s] = '\0';
23 	if (r != 0) {
24 		if (!canGzip()) {
25 			skipping("gzip is not supported on this platform");
26 			goto done;
27 		}
28 		failure("-z option is broken");
29 		assertEqualInt(r, 0);
30 		goto done;
31 	}
32 	free(p);
33 	/* Check that the archive file has a gzip signature. */
34 	p = slurpfile(&s, "archive.out");
35 	assert(s > 4);
36 	assertEqualMem(p, "\x1f\x8b\x08\x00", 4);
37 done:
38 	free(p);
39 }
40