Function printSingleArg

runtime/Log.cc:1246–1273

 */
template<typename T>
static inline void
printSingleArg(FILE *outputFd,
               NanoLogInternal::Log::LogMessage &logArguments,
               const char* formatString,
               T arg,
               int width = -1,
               int precision = -1)
{
    logArguments.push(arg);

    if (outputFd == nullptr)
        return;

#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wformat-security"
#pragma GCC diagnostic ignored "-Wformat-nonliteral"

    if (width < 0 && precision < 0) {
        fprintf(outputFd, formatString, arg);
    } else if (width >= 0 && precision < 0)
        fprintf(outputFd, formatString, width, arg);
    else if (width >= 0 && precision >= 0)
        fprintf(outputFd, formatString, width, precision, arg);
    else
        fprintf(outputFd, formatString, precision, arg);

#pragma GCC diagnostic pop
}

/**
 * Attempt to read back the next log statement contained in the BufferFragment,