X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=lzma%2Fcheck%2Fcrc_macros.h;fp=lzma%2Fcheck%2Fcrc_macros.h;h=a7c21b765dca908f960906e594e0297bd78460a4;hb=32b8a6b26ed8843828e03e505d2256960bda0980;hp=0000000000000000000000000000000000000000;hpb=d48fc23a4bcf8ca3c406d6e8c8a6f8c6b0fa2f1e;p=zpackage

diff --git a/lzma/check/crc_macros.h b/lzma/check/crc_macros.h
new file mode 100644
index 0000000..a7c21b7
--- /dev/null
+++ b/lzma/check/crc_macros.h
@@ -0,0 +1,30 @@
+///////////////////////////////////////////////////////////////////////////////
+//
+/// \file       crc_macros.h
+/// \brief      Some endian-dependent macros for CRC32 and CRC64
+//
+//  Author:     Lasse Collin
+//
+//  This file has been put into the public domain.
+//  You can do whatever you want with this file.
+//
+///////////////////////////////////////////////////////////////////////////////
+
+#ifdef WORDS_BIGENDIAN
+#	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