Function _screen_error

src/logger.cpp:431–494

}

static void _screen_error(int fatal, bool use_errno, int error, const char *fmt, va_list ap)
{
    static unsigned long long count = 0;
    struct timeval currentTime;

    CStat::globalStat(fatal ? CStat::E_FATAL_ERRORS : CStat::E_WARNING);

    GET_TIME (&currentTime);

    const std::size_t bufSize = sizeof(screen_last_error) / sizeof(screen_last_error[0]);
    const char* const bufEnd = &screen_last_error[bufSize];
    char* c = screen_last_error;
    _advance(c, snprintf(c, bufEnd - c, "%s: ", CStat::formatTime(&currentTime, rfc3339)));
    if (c < bufEnd) {
        _advance(c, vsnprintf(c, bufEnd - c, fmt, ap));
    }
    if (use_errno && c < bufEnd) {
        _advance(c, snprintf(c, bufEnd - c, ", errno = %d (%s)", error, strerror(error)));
    }
    total_errors++;

    if (!error_lfi.fptr && print_all_responses) {
        rotate_errorf();
        if (error_lfi.fptr) {
            fprintf(error_lfi.fptr, "The following events occurred:\n");
            fflush(error_lfi.fptr);
        } else {
            if (c < bufEnd) {
                _advance(c, snprintf(c, bufEnd - c, "Unable to create '%s': %s.\n",
                                     screen_logfile, strerror(errno)));
            }
            sipp_exit(EXIT_FATAL_ERROR, 0, 0);
        }
    }

    if (error_lfi.fptr) {
        count += fprintf(error_lfi.fptr, "%s\n", screen_last_error);
        fflush(error_lfi.fptr);
        if (ringbuffer_size && count > ringbuffer_size) {
            rotate_errorf();
            count = 0;
        }
        if (max_log_size && count > max_log_size) {
            print_all_responses = 0;
            if (error_lfi.fptr) {
                fflush(error_lfi.fptr);
                fclose(error_lfi.fptr);
                error_lfi.fptr = nullptr;
                error_lfi.overwrite = false;
            }
        }
    } else if (fatal) {
        fprintf(stderr, "%s\n", screen_last_error);
        fflush(stderr);
    }

    if (fatal) {
        if (error == EADDRINUSE) {