Function AddCommas

PresentData/Debug.cpp:39–57

}

char* AddCommas(uint64_t t)
{
    static char buf[128];
    auto r = sprintf_s(buf, "%llu", t);

    auto commaCount = r == 0 ? 0 : ((r - 1) / 3);
    for (int i = 0; i < commaCount; ++i) {
        auto p = r + commaCount - 4 * i;
        auto q = r - 3 * i;
        buf[p - 1] = buf[q - 1];
        buf[p - 2] = buf[q - 2];
        buf[p - 3] = buf[q - 3];
        buf[p - 4] = ',';
    }

    r += commaCount;
    buf[r] = '\0';
    return buf;
}

}