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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: release/9.1.0/contrib/libarchive/libarchive/test/test_write_disk_symlink.c 229592 2012-01-05 12:06:54Z mm $");

/*
 * Exercise symlink recreation.
 */
DEFINE_TEST(test_write_disk_symlink)
{
	static const char data[]="abcdefghijklmnopqrstuvwxyz";
	struct archive *ad;
	struct archive_entry *ae;
	int r;

	if (!canSymlink()) {
		skipping("Symlinks not supported");
		return;
	}

	/* Write entries to disk. */
	assert((ad = archive_write_disk_new()) != NULL);

	/*
	 * First, create a regular file then a symlink to that file.
	 */

	/* Regular file: link1a */
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_copy_pathname(ae, "link1a");
	archive_entry_set_mode(ae, AE_IFREG | 0755);
	archive_entry_set_size(ae, sizeof(data));
	assertEqualIntA(ad, 0, archive_write_header(ad, ae));
	assertEqualInt(sizeof(data),
	    archive_write_data(ad, data, sizeof(data)));
	assertEqualIntA(ad, 0, archive_write_finish_entry(ad));
	archive_entry_free(ae);

	/* Symbolic Link: link1b -> link1a */
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_copy_pathname(ae, "link1b");
	archive_entry_set_mode(ae, AE_IFLNK | 0642);
	archive_entry_set_size(ae, 0);
	archive_entry_copy_symlink(ae, "link1a");
	assertEqualIntA(ad, 0, r = archive_write_header(ad, ae));
	if (r >= ARCHIVE_WARN)
		assertEqualIntA(ad, 0, archive_write_finish_entry(ad));
	archive_entry_free(ae);

	/*
	 * We should be able to do this in the other order as well,
	 * of course.
	 */

	/* Symbolic link: link2b -> link2a */
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_copy_pathname(ae, "link2b");
	archive_entry_set_mode(ae, AE_IFLNK | 0642);
	archive_entry_unset_size(ae);
	archive_entry_copy_symlink(ae, "link2a");
	assertEqualIntA(ad, 0, r = archive_write_header(ad, ae));
	if (r >= ARCHIVE_WARN) {
		assertEqualInt(ARCHIVE_WARN,
		    archive_write_data(ad, data, sizeof(data)));
		assertEqualIntA(ad, 0, archive_write_finish_entry(ad));
	}
	archive_entry_free(ae);

	/* File: link2a */
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_copy_pathname(ae, "link2a");
	archive_entry_set_mode(ae, AE_IFREG | 0755);
	archive_entry_set_size(ae, sizeof(data));
	assertEqualIntA(ad, 0, archive_write_header(ad, ae));
	assertEqualInt(sizeof(data),
	    archive_write_data(ad, data, sizeof(data)));
	assertEqualIntA(ad, 0, archive_write_finish_entry(ad));
	archive_entry_free(ae);

	assertEqualInt(ARCHIVE_OK, archive_write_finish(ad));

	/* Test the entries on disk. */

	/* Test #1 */
	assertIsReg("link1a", -1);
	assertFileSize("link1a", sizeof(data));
	assertFileNLinks("link1a", 1);
	assertIsSymlink("link1b", "link1a");

	/* Test #2: Should produce identical results to test #1 */
	assertIsReg("link2a", -1);
	assertFileSize("link2a", sizeof(data));
	assertFileNLinks("link2a", 1);
	assertIsSymlink("link2b", "link2a");
}