crc32.h

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#ifndef CRC32_H
#define CRC32_H
 
/* $Id: crc32.h,v 1.1 2003-10-17 15:35:49 tmbinc Exp $ */
 
#include <stdint.h>
 
extern const uint32_t crc32_table[256];
 
/* Return a 32-bit CRC of the contents of the buffer. */
 
static inline uint32_t
crc32(uint32_t val, const void *ss, int len)
{
  const unsigned char *s =(const unsigned char *) ss;
        while (--len >= 0)
//                val = crc32_table[(val ^ *s++) & 0xff] ^ (val >> 8);
                val = (val << 8) ^ crc32_table[(val >> 24) ^ *s++];
        return val;
}
 
#endif