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diff --git a/lib/libarchive/test/test_compat_lzma.c b/lib/libarchive/test/test_compat_lzma.c
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+++ b/lib/libarchive/test/test_compat_lzma.c
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+/*-
+ * Copyright (c) 2009 Michihiro NAKAJIMA
+ * Copyright (c) 2003-2008 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("$FreeBSD$");
+
+/*
+Execute the following to rebuild the data for this program:
+   tail -n +33 test_compat_lzma.c | /bin/sh
+
+# Use lzma command of XZ Utils.
+name=test_compat_lzma_1
+zcmd=lzma
+zsuffix=lzma
+ztar_suffix=tlz
+dir="$name`date +%Y%m%d%H%M%S`.$USER"
+mktarfile()
+{
+mkdir $dir
+echo "f1" > $dir/f1
+echo "f2" > $dir/f2
+echo "f3" > $dir/f3
+mkdir $dir/d1
+echo "f1" > $dir/d1/f1
+echo "f2" > $dir/d1/f2
+echo "f3" > $dir/d1/f3
+(cd $dir; tar cf ../$name.tar f1 f2 f3 d1/f1 d1/f2 d1/f3)
+rm -r $dir
+}
+mktarfile
+$zcmd $name.tar
+mv $name.tar.$zsuffix $name.$ztar_suffix
+echo "This is unrelated junk data at the end of the file" >> $name.$ztar_suffix
+uuencode $name.$ztar_suffix $name.$ztar_suffix > $name.$ztar_suffix.uu
+rm -f $name.$ztar_suffix
+#
+# Use option -e
+#
+name=test_compat_lzma_2
+dir="$name`date +%Y%m%d%H%M%S`.$USER"
+mktarfile
+$zcmd -e $name.tar
+mv $name.tar.$zsuffix $name.$ztar_suffix
+uuencode $name.$ztar_suffix $name.$ztar_suffix > $name.$ztar_suffix.uu
+rm -f $name.$ztar_suffix
+#
+# Use lzma command of LZMA SDK with option -d12.
+#
+name=test_compat_lzma_3
+zcmd=lzmasdk	# Change this path to use lzma of LZMA SDK.
+dir="$name`date +%Y%m%d%H%M%S`.$USER"
+mktarfile
+$zcmd e -d12 $name.tar $name.$ztar_suffix
+rm -f $name.tar
+uuencode $name.$ztar_suffix $name.$ztar_suffix > $name.$ztar_suffix.uu
+rm -f $name.$ztar_suffix
+
+exit 0
+*/
+
+/*
+ * Verify our ability to read sample files compatibly with unlzma.
+ *
+ * In particular:
+ *  * unlzma will read multiple lzma streams, concatenating the output
+ *  * unlzma will read lzma streams which is made by lzma with option -e,
+ *    concatenating the output
+ *
+ * Verify our ability to read sample files compatibly with lzma of
+ * LZMA SDK.
+ *  * lzma will read lzma streams which is made by lzma with option -d12,
+ *    concatenating the output
+ */
+
+/*
+ * All of the sample files have the same contents; they're just
+ * compressed in different ways.
+ */
+static void
+compat_lzma(const char *name)
+{
+	const char *n[7] = { "f1", "f2", "f3", "d1/f1", "d1/f2", "d1/f3", NULL };
+	struct archive_entry *ae;
+	struct archive *a;
+	int i, r;
+
+	assert((a = archive_read_new()) != NULL);
+	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_compression_all(a));
+	r = archive_read_support_compression_lzma(a);
+	if (r == ARCHIVE_WARN) {
+		skipping("lzma reading not fully supported on this platform");
+		assertEqualInt(ARCHIVE_OK, archive_read_finish(a));
+		return;
+	}
+	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
+	extract_reference_file(name);
+	assertEqualIntA(a, ARCHIVE_OK, archive_read_open_filename(a, name, 2));
+
+	/* Read entries, match up names with list above. */
+	for (i = 0; i < 6; ++i) {
+		failure("Could not read file %d (%s) from %s", i, n[i], name);
+		assertEqualIntA(a, ARCHIVE_OK,
+		    archive_read_next_header(a, &ae));
+		assertEqualString(n[i], archive_entry_pathname(ae));
+	}
+
+	/* Verify the end-of-archive. */
+	assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));
+
+	/* Verify that the format detection worked. */
+	assertEqualInt(archive_compression(a), ARCHIVE_COMPRESSION_LZMA);
+	assertEqualString(archive_compression_name(a), "lzma");
+	assertEqualInt(archive_format(a), ARCHIVE_FORMAT_TAR_USTAR);
+
+	assertEqualInt(ARCHIVE_OK, archive_read_close(a));
+	assertEqualInt(ARCHIVE_OK, archive_read_finish(a));
+}
+
+
+DEFINE_TEST(test_compat_lzma)
+{
+	/* This sample has been added junk datas to its tail. */
+	compat_lzma("test_compat_lzma_1.tlz");
+	/* This sample has been made by lzma with option -e,
+	 * the first byte of which is 0x5e.
+	 * Not supported in libarchive 2.7.* and earlier */
+	compat_lzma("test_compat_lzma_2.tlz");
+	/* This sample has been made by lzma of LZMA SDK with
+	 * option -d12, second byte and third byte of which is
+	 * not zero.
+	 * Not supported in libarchive 2.7.* and earlier */
+	compat_lzma("test_compat_lzma_3.tlz");
+}