itoawb.cpp

std::string itoawb(size_t val, size_t base)
{
    if(val == 0)
        return "0";
    size_t buffSize = (size_t)(log2(val) + 1);
    std::string ret(buffSize, 0);
    buffSize *= 1.25;
    buffSize++;
    size_t i = buffSize-1;
    for(;val && i; --i, val /= base)
    {
        ret[i] = "0123456789abcdefghijklmnopqrstuvwxyz"[val % base];
    }
    int j = 0;
    i++;
    for(; i < buffSize; i++, j++)
        ret[j] = ret[i];
    return ret;
}