diff options
Diffstat (limited to 'trunk/src/lib/lib7z/RotateDefs.h')
-rw-r--r-- | trunk/src/lib/lib7z/RotateDefs.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/trunk/src/lib/lib7z/RotateDefs.h b/trunk/src/lib/lib7z/RotateDefs.h new file mode 100644 index 00000000000..c3a1385ce5a --- /dev/null +++ b/trunk/src/lib/lib7z/RotateDefs.h @@ -0,0 +1,20 @@ +/* RotateDefs.h -- Rotate functions +2009-02-07 : Igor Pavlov : Public domain */ + +#ifndef __ROTATE_DEFS_H +#define __ROTATE_DEFS_H + +#ifdef _MSC_VER + +#include <stdlib.h> +#define rotlFixed(x, n) _rotl((x), (n)) +#define rotrFixed(x, n) _rotr((x), (n)) + +#else + +#define rotlFixed(x, n) (((x) << (n)) | ((x) >> (32 - (n)))) +#define rotrFixed(x, n) (((x) >> (n)) | ((x) << (32 - (n)))) + +#endif + +#endif |