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;
37 * Exercise a zero-byte write to a gzip-compressed archive.
40 /* Create a new archive in memory. */
41 assert((a = archive_write_new()) != NULL);
42 assertA(0 == archive_write_set_format_ustar(a));
43 r = archive_write_add_filter_gzip(a);
44 if (r != ARCHIVE_OK && !canGzip()) {
45 skipping("Empty write to gzip-compressed archive");
47 if (r != ARCHIVE_OK && canGzip())
48 assertEqualIntA(a, ARCHIVE_WARN, r);
50 assertEqualIntA(a, ARCHIVE_OK, r);
51 assertEqualIntA(a, ARCHIVE_OK,
52 archive_write_open_memory(a, buff, sizeof(buff), &used));
53 /* Write a file to it. */
54 assert((ae = archive_entry_new()) != NULL);
55 archive_entry_copy_pathname(ae, "file");
56 archive_entry_set_mode(ae, S_IFREG | 0755);
57 archive_entry_set_size(ae, 0);
58 assertA(0 == archive_write_header(a, ae));
59 archive_entry_free(ae);
61 /* THE TEST: write zero bytes to this entry. */
62 /* This used to crash. */
63 assertEqualIntA(a, 0, archive_write_data(a, "", 0));
65 /* Close out the archive. */
66 assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));
67 assertEqualInt(ARCHIVE_OK, archive_write_free(a));
71 * Again, with bzip2 compression.
74 /* Create a new archive in memory. */
75 assert((a = archive_write_new()) != NULL);
76 assertA(0 == archive_write_set_format_ustar(a));
77 r = archive_write_add_filter_bzip2(a);
78 if (r != ARCHIVE_OK && !canBzip2()) {
79 skipping("Empty write to bzip2-compressed archive");
81 if (r != ARCHIVE_OK && canBzip2())
82 assertEqualIntA(a, ARCHIVE_WARN, r);
84 assertEqualIntA(a, ARCHIVE_OK, r);
85 assertEqualIntA(a, ARCHIVE_OK,
86 archive_write_open_memory(a, buff, sizeof(buff), &used));
87 /* Write a file to it. */
88 assert((ae = archive_entry_new()) != NULL);
89 archive_entry_copy_pathname(ae, "file");
90 archive_entry_set_mode(ae, S_IFREG | 0755);
91 archive_entry_set_size(ae, 0);
92 assertA(0 == archive_write_header(a, ae));
93 archive_entry_free(ae);
95 /* THE TEST: write zero bytes to this entry. */
96 assertEqualIntA(a, 0, archive_write_data(a, "", 0));
98 /* Close out the archive. */
99 assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));
100 assertEqualInt(ARCHIVE_OK, archive_write_free(a));
104 * For good measure, one more time with no compression.
107 /* Create a new archive in memory. */
108 assert((a = archive_write_new()) != NULL);
109 assertA(0 == archive_write_set_format_ustar(a));
110 assertA(0 == archive_write_add_filter_none(a));
111 assertA(0 == archive_write_open_memory(a, buff, sizeof(buff), &used));
112 /* Write a file to it. */
113 assert((ae = archive_entry_new()) != NULL);
114 archive_entry_copy_pathname(ae, "file");
115 archive_entry_set_mode(ae, S_IFREG | 0755);
116 archive_entry_set_size(ae, 0);
117 assertA(0 == archive_write_header(a, ae));
118 archive_entry_free(ae);
120 /* THE TEST: write zero bytes to this entry. */
121 assertEqualIntA(a, 0, archive_write_data(a, "", 0));
123 /* Close out the archive. */
124 assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));
125 assertEqualInt(ARCHIVE_OK, archive_write_free(a));