Method addToBuff

src/thundersvm/util/log.cpp:924–928

            }

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

            char* Str::clearBuff(char buff[], std::size_t lim) {
                STRCPY(buff, "", lim);