defs.h

CRC校验采用多项式编码方法。多项式乘除法运算过程与普通代数多项式的乘除法相同。多项式的加减法运算以2为模

/* -*- C -*-
 * $Id: defs.h,v 1.4 2002/06/11 01:27:47 H_Konishi Exp $
 */

#ifndef DEFS_H
#define DEFS_H

#include "ruby.h"
#include <sys/types.h>

#if defined(HAVE_SYS_CDEFS_H)
# include <sys/cdefs.h>
#endif
#if !defined(__BEGIN_DECLS)
# define __BEGIN_DECLS
# define __END_DECLS
#endif

#if defined(HAVE_INTTYPES_H)
# include <inttypes.h>
#else
  typedef unsigned char uint8_t;
  typedef unsigned int  uint32_t;
# if SIZEOF_LONG == 8
  typedef unsigned long uint64_t;
# elif defined(__GNUC__)
  typedef unsigned long long uint64_t;
# elif defined(_MSC_VER)
  typedef unsigned _int64 uint64_t;
# elif defined(__BORLANDC__)
  typedef unsigned __int64 uint64_t;
# else
#  define NO_UINT64_T
# endif
#endif

#endif /* DEFS_H */