/* +++Date last modified: 05-Jul-1997 */ /* ** CRC.H - header file for SNIPPETS CRC and checksum functions */ #ifndef CRC__H #define CRC__H #include <stdlib.h> /* For size_t */ #include "sniptype.h" /* For BYTE, WORD, DWORD */ /* ** File: ARCCRC16.C */ void init_crc_table(void); WORD crc_calc(WORD crc, char *buf, unsigned nbytes); void do_file(char *fn); /* ** File: CRC-16.C */ WORD crc16(char *data_p, WORD length); /* ** File: CRC-16F.C */ WORD updcrc(WORD icrc, BYTE *icp, size_t icnt); /* ** File: CRC_32.C */ #define UPDC32(octet,crc) (crc_32_tab[((crc)\ ^ ((BYTE)octet)) & 0xff] ^ ((crc) >> 8)) DWORD updateCRC32(unsigned char ch, DWORD crc); Boolean_T crc32file(char *name, DWORD *crc, long *charcnt); DWORD crc32buf(char *buf, size_t len); /* ** File: CHECKSUM.C */ unsigned checksum(void *buffer, size_t len, unsigned int seed); /* ** File: CHECKEXE.C */ void checkexe(char *fname); #endif /* CRC__H */