Method convertAndAddToBuff

src/thundersvm/util/log.cpp:909–922

            }

            char* Str::convertAndAddToBuff(std::size_t n, int len, char* buf, const char* bufLim, bool zeroPadded) {
                char localBuff[10] = "";
                char* p = localBuff + sizeof(localBuff) - 2;
                if (n > 0) {
                    for (; n > 0 && p > localBuff && len > 0; n /= 10, --len)
                        *--p = static_cast<char>(n % 10 + '0');
                } else {
                    *--p = '0';
                    --len;
                }
                if (zeroPadded)
                    while (p > localBuff && len-- > 0) *--p = static_cast<char>('0');
                return addToBuff(p, buf, bufLim);
            }

            char* Str::addToBuff(const char* str, char* buf, const char* bufLim) {
                while ((buf < bufLim) && ((*buf = *str++) != '\0'))