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-rw-r--r--storage/tokudb/PerconaFT/third_party/xz-4.999.9beta/src/common/bswap.h54
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diff --git a/storage/tokudb/PerconaFT/third_party/xz-4.999.9beta/src/common/bswap.h b/storage/tokudb/PerconaFT/third_party/xz-4.999.9beta/src/common/bswap.h
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+++ b/storage/tokudb/PerconaFT/third_party/xz-4.999.9beta/src/common/bswap.h
@@ -0,0 +1,54 @@
+/* -*- mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
+// vim: expandtab:ts=8:sw=4:softtabstop=4:
+///////////////////////////////////////////////////////////////////////////////
+//
+/// \file bswap.h
+/// \brief Byte swapping
+//
+// Author: Lasse Collin
+//
+// This file has been put into the public domain.
+// You can do whatever you want with this file.
+//
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef LZMA_BSWAP_H
+#define LZMA_BSWAP_H
+
+// NOTE: We assume that config.h is already #included.
+
+// At least glibc has byteswap.h which contains inline assembly code for
+// byteswapping. Some systems have byteswap.h but lack one or more of the
+// bswap_xx macros/functions, which is why we check them separately even
+// if byteswap.h is available.
+
+#ifdef HAVE_BYTESWAP_H
+# include <byteswap.h>
+#endif
+
+#ifndef HAVE_BSWAP_16
+# define bswap_16(num) \
+ (((num) << 8) | ((num) >> 8))
+#endif
+
+#ifndef HAVE_BSWAP_32
+# define bswap_32(num) \
+ ( (((num) << 24) ) \
+ | (((num) << 8) & UINT32_C(0x00FF0000)) \
+ | (((num) >> 8) & UINT32_C(0x0000FF00)) \
+ | (((num) >> 24) ) )
+#endif
+
+#ifndef HAVE_BSWAP_64
+# define bswap_64(num) \
+ ( (((num) << 56) ) \
+ | (((num) << 40) & UINT64_C(0x00FF000000000000)) \
+ | (((num) << 24) & UINT64_C(0x0000FF0000000000)) \
+ | (((num) << 8) & UINT64_C(0x000000FF00000000)) \
+ | (((num) >> 8) & UINT64_C(0x00000000FF000000)) \
+ | (((num) >> 24) & UINT64_C(0x0000000000FF0000)) \
+ | (((num) >> 40) & UINT64_C(0x000000000000FF00)) \
+ | (((num) >> 56) ) )
+#endif
+
+#endif