Switch to using libarchive from libtar for cpack and cmake -E tar

This allows for a built in bzip and zip capability, so external tools
will not be needed for these packagers.  The cmake -E tar xf should be
able to handle all compression types now as well.

1 files changed, 94 insertions, 0 deletions

diff --git a/Utilities/cmlibarchive/libarchive/test/test_read_position.c b/Utilities/cmlibarchive/libarchive/test/test_read_position.c
new file mode 100644
index 0000000..3ee896f
--- /dev/null
+++ b/Utilities/cmlibarchive/libarchive/test/test_read_position.c
@@ -0,0 +1,94 @@
+/*-
+ * 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: src/lib/libarchive/test/test_read_position.c,v 1.4 2008/09/01 05:38:33 kientzle Exp $");
+
+static unsigned char nulls[10000];
+static unsigned char  buff[10000000];
+
+/* Check that header_position tracks correctly on read. */
+DEFINE_TEST(test_read_position)
+{
+    struct archive *a;
+    struct archive_entry *ae;
+    size_t write_pos;
+    intmax_t read_position;
+    size_t i, j;
+    size_t data_sizes[] = {0, 5, 511, 512, 513};
+
+    /* Sanity test */
+    assert(sizeof(nulls) + 512 + 1024 <= sizeof(buff));
+
+    /* Create an archive. */
+    assert(NULL != (a = archive_write_new()));
+    assertA(0 == archive_write_set_format_pax_restricted(a));
+    assertA(0 == archive_write_set_bytes_per_block(a, 512));
+    assertA(0 == archive_write_open_memory(a, buff, sizeof(buff), &write_pos));
+
+    for (i = 0; i < sizeof(data_sizes)/sizeof(data_sizes[0]); ++i) {
+        /* Create a simple archive_entry. */
+        assert((ae = archive_entry_new()) != NULL);
+        archive_entry_set_pathname(ae, "testfile");
+        archive_entry_set_mode(ae, S_IFREG);
+        archive_entry_set_size(ae, data_sizes[i]);
+        assertA(0 == archive_write_header(a, ae));
+        archive_entry_free(ae);
+        assertA(data_sizes[i]
+            == (size_t)archive_write_data(a, nulls, sizeof(nulls)));
+    }
+    assertA(0 == archive_write_close(a));
+    assertA(0 == archive_write_finish(a));
+
+    /* Read the archive back. */
+    assert(NULL != (a = archive_read_new()));
+    assertA(0 == archive_read_support_format_tar(a));
+    assertA(0 == archive_read_open_memory2(a, buff, sizeof(buff), 512));
+
+    read_position = 0;
+    /* Initial header position is zero. */
+    assert(read_position == (intmax_t)archive_read_header_position(a));
+    for (j = 0; j < i; ++j) {
+        assertA(0 == archive_read_next_header(a, &ae));
+        assert(read_position
+            == (intmax_t)archive_read_header_position(a));
+        /* Every other entry: read, then skip */
+        if (j & 1)
+            assertEqualInt(ARCHIVE_OK,
+                archive_read_data_into_buffer(a, buff, 1));
+        assertA(0 == archive_read_data_skip(a));
+        /* read_data_skip() doesn't change header_position */
+        assert(read_position
+            == (intmax_t)archive_read_header_position(a));
+
+        read_position += 512; /* Size of header. */
+        read_position += (data_sizes[j] + 511) & ~511;
+    }
+
+    assertA(1 == archive_read_next_header(a, &ae));
+    assert(read_position == (intmax_t)archive_read_header_position(a));
+    assertA(0 == archive_read_close(a));
+    assert(read_position == (intmax_t)archive_read_header_position(a));
+    archive_read_finish(a);
+}