| /*- |
| * Copyright (c) 2003-2007 Tim Kientzle |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #include "test.h" |
| __FBSDID("$FreeBSD: head/lib/libarchive/test/test_empty_write.c 189308 2009-03-03 17:02:51Z kientzle $"); |
| |
| DEFINE_TEST(test_empty_write) |
| { |
| char buff[32768]; |
| struct archive_entry *ae; |
| struct archive *a; |
| size_t used; |
| int r; |
| |
| /* |
| * Exercise a zero-byte write to a gzip-compressed archive. |
| */ |
| |
| /* Create a new archive in memory. */ |
| assert((a = archive_write_new()) != NULL); |
| assertA(0 == archive_write_set_format_ustar(a)); |
| r = archive_write_add_filter_gzip(a); |
| if (r != ARCHIVE_OK && !canGzip()) { |
| skipping("Empty write to gzip-compressed archive"); |
| } else { |
| if (r != ARCHIVE_OK && canGzip()) |
| assertEqualIntA(a, ARCHIVE_WARN, r); |
| else |
| assertEqualIntA(a, ARCHIVE_OK, r); |
| assertEqualIntA(a, ARCHIVE_OK, |
| archive_write_open_memory(a, buff, sizeof(buff), &used)); |
| /* Write a file to it. */ |
| assert((ae = archive_entry_new()) != NULL); |
| archive_entry_copy_pathname(ae, "file"); |
| archive_entry_set_mode(ae, S_IFREG | 0755); |
| archive_entry_set_size(ae, 0); |
| assertA(0 == archive_write_header(a, ae)); |
| archive_entry_free(ae); |
| |
| /* THE TEST: write zero bytes to this entry. */ |
| /* This used to crash. */ |
| assertEqualIntA(a, 0, archive_write_data(a, "", 0)); |
| |
| /* Close out the archive. */ |
| assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a)); |
| assertEqualInt(ARCHIVE_OK, archive_write_free(a)); |
| } |
| |
| /* |
| * Again, with bzip2 compression. |
| */ |
| |
| /* Create a new archive in memory. */ |
| assert((a = archive_write_new()) != NULL); |
| assertA(0 == archive_write_set_format_ustar(a)); |
| r = archive_write_add_filter_bzip2(a); |
| if (r != ARCHIVE_OK && !canBzip2()) { |
| skipping("Empty write to bzip2-compressed archive"); |
| } else { |
| if (r != ARCHIVE_OK && canBzip2()) |
| assertEqualIntA(a, ARCHIVE_WARN, r); |
| else |
| assertEqualIntA(a, ARCHIVE_OK, r); |
| assertEqualIntA(a, ARCHIVE_OK, |
| archive_write_open_memory(a, buff, sizeof(buff), &used)); |
| /* Write a file to it. */ |
| assert((ae = archive_entry_new()) != NULL); |
| archive_entry_copy_pathname(ae, "file"); |
| archive_entry_set_mode(ae, S_IFREG | 0755); |
| archive_entry_set_size(ae, 0); |
| assertA(0 == archive_write_header(a, ae)); |
| archive_entry_free(ae); |
| |
| /* THE TEST: write zero bytes to this entry. */ |
| assertEqualIntA(a, 0, archive_write_data(a, "", 0)); |
| |
| /* Close out the archive. */ |
| assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a)); |
| assertEqualInt(ARCHIVE_OK, archive_write_free(a)); |
| } |
| |
| /* |
| * For good measure, one more time with no compression. |
| */ |
| |
| /* Create a new archive in memory. */ |
| assert((a = archive_write_new()) != NULL); |
| assertA(0 == archive_write_set_format_ustar(a)); |
| assertA(0 == archive_write_add_filter_none(a)); |
| assertA(0 == archive_write_open_memory(a, buff, sizeof(buff), &used)); |
| /* Write a file to it. */ |
| assert((ae = archive_entry_new()) != NULL); |
| archive_entry_copy_pathname(ae, "file"); |
| archive_entry_set_mode(ae, S_IFREG | 0755); |
| archive_entry_set_size(ae, 0); |
| assertA(0 == archive_write_header(a, ae)); |
| archive_entry_free(ae); |
| |
| /* THE TEST: write zero bytes to this entry. */ |
| assertEqualIntA(a, 0, archive_write_data(a, "", 0)); |
| |
| /* Close out the archive. */ |
| assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a)); |
| assertEqualInt(ARCHIVE_OK, archive_write_free(a)); |
| } |