blob: 99254532b248572eadc457288c4647f086b81179 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
|
#ifndef CRC32_H
#define CRC32_H
/* $Id: crc32.h,v 1.1 2003-10-17 15:35:49 tmbinc Exp $ */
typedef unsigned int uint32_t;
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
|
