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, 118 insertions, 0 deletions

diff --git a/Utilities/cmlibarchive/libarchive/archive_entry_stat.c b/Utilities/cmlibarchive/libarchive/archive_entry_stat.c
new file mode 100644
index 0000000..1c66165
--- /dev/null
+++ b/Utilities/cmlibarchive/libarchive/archive_entry_stat.c
@@ -0,0 +1,118 @@
+/*-
+ * 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 "archive_platform.h"
+__FBSDID("$FreeBSD: src/lib/libarchive/archive_entry_stat.c,v 1.2 2008/09/30 03:53:03 kientzle Exp $");
+
+#ifdef HAVE_SYS_STAT_H
+#include <sys/stat.h>
+#endif
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+
+#include "archive_entry.h"
+#include "archive_entry_private.h"
+
+const struct stat *
+archive_entry_stat(struct archive_entry *entry)
+{
+    struct stat *st;
+    if (entry->stat == NULL) {
+        entry->stat = malloc(sizeof(*st));
+        if (entry->stat == NULL)
+            return (NULL);
+        entry->stat_valid = 0;
+    }
+
+    /*
+     * If none of the underlying fields have been changed, we
+     * don't need to regenerate.  In theory, we could use a bitmap
+     * here to flag only those items that have changed, but the
+     * extra complexity probably isn't worth it.  It will be very
+     * rare for anyone to change just one field then request a new
+     * stat structure.
+     */
+    if (entry->stat_valid)
+        return (entry->stat);
+
+    st = entry->stat;
+    /*
+     * Use the public interfaces to extract items, so that
+     * the appropriate conversions get invoked.
+     */
+    st->st_atime = archive_entry_atime(entry);
+#if HAVE_STRUCT_STAT_ST_BIRTHTIME
+    st->st_birthtime = archive_entry_birthtime(entry);
+#endif
+    st->st_ctime = archive_entry_ctime(entry);
+    st->st_mtime = archive_entry_mtime(entry);
+    st->st_dev = archive_entry_dev(entry);
+    st->st_gid = archive_entry_gid(entry);
+    st->st_uid = archive_entry_uid(entry);
+    st->st_ino = archive_entry_ino64(entry);
+    st->st_nlink = archive_entry_nlink(entry);
+    st->st_rdev = archive_entry_rdev(entry);
+    st->st_size = archive_entry_size(entry);
+    st->st_mode = archive_entry_mode(entry);
+
+    /*
+     * On systems that support high-res timestamps, copy that
+     * information into struct stat.
+     */
+#if HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC
+    st->st_atimespec.tv_nsec = archive_entry_atime_nsec(entry);
+    st->st_ctimespec.tv_nsec = archive_entry_ctime_nsec(entry);
+    st->st_mtimespec.tv_nsec = archive_entry_mtime_nsec(entry);
+#elif HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC
+    st->st_atim.tv_nsec = archive_entry_atime_nsec(entry);
+    st->st_ctim.tv_nsec = archive_entry_ctime_nsec(entry);
+    st->st_mtim.tv_nsec = archive_entry_mtime_nsec(entry);
+#elif HAVE_STRUCT_STAT_ST_MTIME_N
+    st->st_atime_n = archive_entry_atime_nsec(entry);
+    st->st_ctime_n = archive_entry_ctime_nsec(entry);
+    st->st_mtime_n = archive_entry_mtime_nsec(entry);
+#elif HAVE_STRUCT_STAT_ST_UMTIME
+    st->st_uatime = archive_entry_atime_nsec(entry) / 1000;
+    st->st_uctime = archive_entry_ctime_nsec(entry) / 1000;
+    st->st_umtime = archive_entry_mtime_nsec(entry) / 1000;
+#elif HAVE_STRUCT_STAT_ST_MTIME_USEC
+    st->st_atime_usec = archive_entry_atime_nsec(entry) / 1000;
+    st->st_ctime_usec = archive_entry_ctime_nsec(entry) / 1000;
+    st->st_mtime_usec = archive_entry_mtime_nsec(entry) / 1000;
+#endif
+#if HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC_TV_NSEC
+    st->st_birthtimespec.tv_nsec = archive_entry_birthtime_nsec(entry);
+#endif
+
+    /*
+     * TODO: On Linux, store 32 or 64 here depending on whether
+     * the cached stat structure is a stat32 or a stat64.  This
+     * will allow us to support both variants interchangably.
+     */
+    entry->stat_valid = 1;
+
+    return (st);
+}