diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 03:10:08 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 03:10:08 +0000 |
commit | 5262a872f308b3b584c97d621992fb3877e392b8 (patch) | |
tree | b956c322376141abeafe639bd72cfecdf16954b5 /src/liblzma/check/crc_macros.h | |
parent | Initial commit. (diff) | |
download | xz-utils-5262a872f308b3b584c97d621992fb3877e392b8.tar.xz xz-utils-5262a872f308b3b584c97d621992fb3877e392b8.zip |
Adding upstream version 5.6.1+really5.4.5.upstream/5.6.1+really5.4.5
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/liblzma/check/crc_macros.h')
-rw-r--r-- | src/liblzma/check/crc_macros.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/liblzma/check/crc_macros.h b/src/liblzma/check/crc_macros.h new file mode 100644 index 0000000..a7c21b7 --- /dev/null +++ b/src/liblzma/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 |