Imported to git.

1 files changed, 33 insertions, 0 deletions

diff --git a/src/liblzma/check/crc_macros.h b/src/liblzma/check/crc_macros.h
new file mode 100644
index 00000000..5fbecf07
--- /dev/null
+++ b/src/liblzma/check/crc_macros.h
@@ -0,0 +1,33 @@
+///////////////////////////////////////////////////////////////////////////////
+//
+/// \file       crc_macros
+/// \brief      Some endian-dependent macros for CRC32 and CRC64
+//
+//  This code has been put into the public domain.
+//
+//  This library is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+//
+///////////////////////////////////////////////////////////////////////////////
+
+#ifdef WORDS_BIGENDIAN
+#	include "check_byteswap.h"
+
+#	define A(x) ((x) >> 24)
+#	define B(x) (((x) >> 16) & 0xFF)
+#	define C(x) (((x) >> 8) & 0xFF)
+#	define D(x) ((x) & 0xFF)
+
+#	define S8(x) ((x) << 8)
+#	define S32(x) ((x) << 32)
+
+#else
+#	define A(x) ((x) & 0xFF)
+#	define B(x) (((x) >> 8) & 0xFF)
+#	define C(x) (((x) >> 16) & 0xFF)
+#	define D(x) ((x) >> 24)
+
+#	define S8(x) ((x) >> 8)
+#	define S32(x) ((x) >> 32)
+#endif