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/*-
* 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("$FreeBSD$");
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_set_compression_gzip(a);
if (r == ARCHIVE_FATAL) {
skipping("Empty write to gzip-compressed archive");
} 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. */
assertA(0 == archive_write_close(a));
assertA(0 == archive_write_finish(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_set_compression_bzip2(a);
if (r == ARCHIVE_FATAL) {
skipping("Empty write to bzip2-compressed archive");
} 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. */
assertA(0 == archive_write_close(a));
assertA(0 == archive_write_finish(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_set_compression_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. */
assertA(0 == archive_write_close(a));
assertA(0 == archive_write_finish(a));
}
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