2 * Copyright (c) 2003-2007 Tim Kientzle
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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.
26 __FBSDID("$FreeBSD$");
28 DEFINE_TEST(test_empty_write)
31 struct archive_entry *ae;
36 * Exercise a zero-byte write to a gzip-compressed archive.
39 /* Create a new archive in memory. */
40 assert((a = archive_write_new()) != NULL);
41 assertA(0 == archive_write_set_format_ustar(a));
42 assertA(0 == archive_write_set_compression_gzip(a));
43 assertA(0 == archive_write_open_memory(a, buff, sizeof(buff), &used));
44 /* Write a file to it. */
45 assert((ae = archive_entry_new()) != NULL);
46 archive_entry_copy_pathname(ae, "file");
47 archive_entry_set_mode(ae, S_IFREG | 0755);
48 archive_entry_set_size(ae, 0);
49 assertA(0 == archive_write_header(a, ae));
51 /* THE TEST: write zero bytes to this entry. */
52 /* This used to crash. */
53 assertEqualIntA(a, 0, archive_write_data(a, "", 0));
55 /* Close out the archive. */
56 assertA(0 == archive_write_close(a));
57 #if ARCHIVE_API_VERSION > 1
58 assertA(0 == archive_write_finish(a));
60 archive_write_finish(a);
65 * Again, with bzip2 compression.
68 /* Create a new archive in memory. */
69 assert((a = archive_write_new()) != NULL);
70 assertA(0 == archive_write_set_format_ustar(a));
71 assertA(0 == archive_write_set_compression_bzip2(a));
72 assertA(0 == archive_write_open_memory(a, buff, sizeof(buff), &used));
73 /* Write a file to it. */
74 assert((ae = archive_entry_new()) != NULL);
75 archive_entry_copy_pathname(ae, "file");
76 archive_entry_set_mode(ae, S_IFREG | 0755);
77 archive_entry_set_size(ae, 0);
78 assertA(0 == archive_write_header(a, ae));
80 /* THE TEST: write zero bytes to this entry. */
81 assertEqualIntA(a, 0, archive_write_data(a, "", 0));
83 /* Close out the archive. */
84 assertA(0 == archive_write_close(a));
85 #if ARCHIVE_API_VERSION > 1
86 assertA(0 == archive_write_finish(a));
88 archive_write_finish(a);
93 * For good measure, one more time with no compression.
96 /* Create a new archive in memory. */
97 assert((a = archive_write_new()) != NULL);
98 assertA(0 == archive_write_set_format_ustar(a));
99 assertA(0 == archive_write_set_compression_none(a));
100 assertA(0 == archive_write_open_memory(a, buff, sizeof(buff), &used));
101 /* Write a file to it. */
102 assert((ae = archive_entry_new()) != NULL);
103 archive_entry_copy_pathname(ae, "file");
104 archive_entry_set_mode(ae, S_IFREG | 0755);
105 archive_entry_set_size(ae, 0);
106 assertA(0 == archive_write_header(a, ae));
108 /* THE TEST: write zero bytes to this entry. */
109 assertEqualIntA(a, 0, archive_write_data(a, "", 0));
111 /* Close out the archive. */
112 assertA(0 == archive_write_close(a));
113 #if ARCHIVE_API_VERSION > 1
114 assertA(0 == archive_write_finish(a));
116 archive_write_finish(a);