docs/wsar_html/crc32_8h_source.html

#ifndef __CRC32_H__

#define __CRC32_H__


#include <wireshark.h>


#ifdef __cplusplus

extern "C" {

#endif /* __cplusplus */


#define CRC32_CCITT_SEED 0xFFFFFFFF

#define CRC32C_PRELOAD   0xffffffff

#define CRC32_MPEG2_SEED 0xFFFFFFFF


/*

 * Byte swap fix contributed by Dave Wysochanski <[email protected]>.

 */

#define CRC32C_SWAP(crc32c_value)               \

    (((crc32c_value & 0xff000000) >> 24)    |   \

     ((crc32c_value & 0x00ff0000) >>  8)    |   \

     ((crc32c_value & 0x0000ff00) <<  8)    |   \

     ((crc32c_value & 0x000000ff) << 24))


WS_DLL_PUBLIC uint32_t crc32_ccitt_table_lookup (unsigned char pos);


WS_DLL_PUBLIC uint32_t crc32c_table_lookup (unsigned char pos);


WS_DLL_PUBLIC uint32_t crc32c_calculate(const void *buf, int len, uint32_t crc);


WS_DLL_PUBLIC uint32_t crc32c_calculate_no_swap(const void *buf, int len, uint32_t crc);


WS_DLL_PUBLIC uint32_t crc32_ccitt(const uint8_t *buf, unsigned len);


WS_DLL_PUBLIC uint32_t crc32_ccitt_seed(const uint8_t *buf, unsigned len, uint32_t seed);


WS_DLL_PUBLIC uint32_t crc32_mpeg2_seed(const uint8_t *buf, unsigned len, uint32_t seed);


WS_DLL_PUBLIC uint32_t crc32_0x0AA725CF_seed(const uint8_t *buf, unsigned len, uint32_t seed);


WS_DLL_PUBLIC uint32_t crc32_0x5D6DCB_seed(const uint8_t *buf, unsigned len, uint32_t seed);


WS_DLL_PUBLIC uint32_t crc32_sc32_seed(const uint8_t *buf, unsigned len, uint32_t seed);


#ifdef __cplusplus

}

#endif /* __cplusplus */


#endif /* crc32.h */

crc32_0x0AA725CF_seed
WS_DLL_PUBLIC uint32_t crc32_0x0AA725CF_seed(const uint8_t *buf, unsigned len, uint32_t seed)
Computes CRC32 checksum for the given data with the polynom 0x0AA725CF using precompiled CRC table.
Definition crc32.c:491

crc32_ccitt
WS_DLL_PUBLIC uint32_t crc32_ccitt(const uint8_t *buf, unsigned len)
Compute CRC32 CCITT checksum of a buffer of data.
Definition crc32.c:455

crc32c_table_lookup
WS_DLL_PUBLIC uint32_t crc32c_table_lookup(unsigned char pos)
Definition crc32.c:421

crc32c_calculate_no_swap
WS_DLL_PUBLIC uint32_t crc32c_calculate_no_swap(const void *buf, int len, uint32_t crc)
Compute CRC32C checksum of a buffer of data without swapping seed crc or completed checksum.
Definition crc32.c:444

crc32c_calculate
WS_DLL_PUBLIC uint32_t crc32c_calculate(const void *buf, int len, uint32_t crc)
Compute CRC32C checksum of a buffer of data.
Definition crc32.c:433

crc32_ccitt_table_lookup
WS_DLL_PUBLIC uint32_t crc32_ccitt_table_lookup(unsigned char pos)
Lookup a CRC-32/CCITT table value by position.
Definition crc32.c:427

crc32_ccitt_seed
WS_DLL_PUBLIC uint32_t crc32_ccitt_seed(const uint8_t *buf, unsigned len, uint32_t seed)
Compute CRC32 CCITT checksum of a buffer of data.
Definition crc32.c:461

crc32_sc32_seed
WS_DLL_PUBLIC uint32_t crc32_sc32_seed(const uint8_t *buf, unsigned len, uint32_t seed)
Compute SC-32 CRC32 checksum of a buffer of data.
Definition crc32.c:519

crc32_0x5D6DCB_seed
WS_DLL_PUBLIC uint32_t crc32_0x5D6DCB_seed(const uint8_t *buf, unsigned len, uint32_t seed)
Computes CRC32 checksum for the given data with the polynom 0x5D6DCB using precompiled CRC table.
Definition crc32.c:503

crc32_mpeg2_seed
WS_DLL_PUBLIC uint32_t crc32_mpeg2_seed(const uint8_t *buf, unsigned len, uint32_t seed)
Compute MPEG-2 CRC32 checksum of a buffer of data.
Definition crc32.c:477