int FindMatch(unsigned char *srch, unsigned char *target, int target_len) { offset = 0 ; while(srch + target_len < target) { if(!(memcmp(srch, target, target_len))) return(target_len) ; srch++ ; offset++ ; } return FAIL ; } int BiggestMatch(unsigned char *srch, unsigned char *target, int target_len) { int i ; for(i = target_len ; i > 1 ; i--) { if(FindMatch(srch, target, i)) { BuildOneCode(i, *(target+i)) ; p_la += i + 1 ; p_sw = p_la - SW_SIZE ; return PASS ; } } BuildZeroCode(*target) ; p_la++ ; p_sw = p_la - SW_SIZE ; return FAIL ; } void BuildZeroCode(unsigned char in_char) { unsigned char my_char = 0 ; BytesToBits(my_char, 1) ; BytesToBits(in_char, 8) ; } int BuildOneCode(int len, unsigned char in_char) { unsigned char *p_char ; unsigned char my_char = 1 ; BytesToBits(my_char, 1) ; p_char = (unsigned char*)&offset ; BytesToBits(*p_char, 8) ; p_char++ ; BytesToBits(*p_char, 4) ; p_char = (unsigned char *)&len ; BytesToBits(*p_char, 5) ; BytesToBits(in_char, 8) ; return PASS ; } int ZeroCodeWrite(void) { unsigned char ch ; int i ; i = BitsToBytes(&ch, 8) ; if(!i) return FAIL ; *p_la = ch ; p_la++ ; p_sw++ ; return PASS ; } int OneCodeWrite(void) { unsigned char ch, *p_ch ; int i ; p_ch = (unsigned char *)(&offset) ; i = BitsToBytes(p_ch, 8) ; if(!i) return FAIL ; i = BitsToBytes(++p_ch, 4) ; if(!i) return FAIL ; p_ch = (unsigned char *)(&len) ; i = BitsToBytes(p_ch, 5) ; if(!i) return FAIL ; memcpy(p_la, p_sw + offset, len) ; p_la += len ; i = BitsToBytes(&ch, 8) ; *p_la = ch ; p_la++ ; p_sw = p_la - SW_SIZE ; return PASS ; }