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#ifndef __INCLUDE_CRC_H
#define __INCLUDE_CRC_H
#include <linux/types.h>
/*
* Implements the standard CRC ITU-T V.41:
* Width 16
* Poly 0x1021 (x^16 + x^12 + x^15 + 1)
* Init 0
*/
extern u16 const crc_itu_t_table[256];
extern u16 crc_itu_t(u16 crc, const u8 *buffer, size_t len);
static inline u16 crc_itu_t_byte(u16 crc, const u8 data)
{
return (crc << 8) ^ crc_itu_t_table[((crc >> 8) ^ data) & 0xff];
}
uint32_t crc32(uint32_t, const void *, unsigned int);
uint32_t crc32_no_comp(uint32_t, const void *, unsigned int);
int file_crc(char *filename, unsigned long start, unsigned long size,
unsigned long *crc, unsigned long *total);
#endif /* __INCLUDE_CRC_H */
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