patched eval5 for <5 cards.c

int64_t evalCustomLength(uint32_t cs[], uint32_t length) {
    if(length <= 1) return (int64_t)1 << HC_SHIFT;
    
    int64_t s[] = {-1, -1, -1, -1, -1};
    uint32_t count = 1, straight = 1, flush = 1, i;
    uint32_t s0 = suit(cs[0]), r0 = rank(cs[0]);
    s[0] = r0<<16;
    // set flags for straight, flush, n-of-a-kind
    for (i=1; i<length+1; i++) {
        s[0] |= rank(cs[i])<<(4-i)*4;
        
        if (straight && rank(cs[i-1])-rank(cs[i]) != 1 && !(i == 1 && r0 == 12 && rank(cs[1]) == 3))
            straight = 0;
        
        if (flush == 1 && suit(cs[i]) != s0)
            flush = 0;
        
        if (rank(cs[i]) == rank(cs[i-1]))
            count++;
        if (i == 4 || rank(cs[i]) != rank(cs[i-1])) {
            if (count == 2 && s[2] > -1) s[1] = rank(cs[i-1]);
            else if (count == 2) s[2] = rank(cs[i-1]);
            else if (count > 2) s[count] = rank(cs[i-1]);
            count = 1;
        }
    }
    // straight flush then straight
    if (straight) {
        if (r0 == 12 && rank(cs[1]) == 3) r0 = 3;
        if (flush) return (int64_t)r0 << SFLUSH_SHIFT;
        return (int64_t)r0 << STRAIGHT_SHIFT;
    }
    // flush
    if (flush) {
        return  (int64_t)1 << FLUSH_SHIFT |
        (int64_t)s[0] << HC_SHIFT;
    }
    // builds bitmask for n-of-a-kind and fullhouse
    if (s[4] > -1) {
        return ((int64_t)s[4]+1) << FOAK_SHIFT | s[0] << HC_SHIFT;
    }
    if (s[3] > -1) {
        // fullhouse
        if (s[2] > -1)
            return (((int64_t)s[3]+1) << TOAK_SHIFT) | (((int64_t)s[2]+1) << PAIR2_SHIFT) | (int64_t)1 << FULL_SHIFT;
        // three-of-a-kind
        return ((int64_t)s[3]+1) << TOAK_SHIFT | s[0] << HC_SHIFT;
    }
    if (s[2] > -1) {
        // two pairs
        if (s[1] > -1)
            return (((int64_t)s[2]+1) << PAIR2_SHIFT) | (((int64_t)s[1]+1) << PAIR1_SHIFT) | s[0] << HC_SHIFT;
        // two-of-a-kind
        return ((int64_t)s[2]+1) << PAIR1_SHIFT | s[0] << HC_SHIFT;
    }
    return (int64_t)s[0] << HC_SHIFT;
}