parser.c

int parseRawFormatFast(char *msg, RawMessage *m, bool showJson)
{
  unsigned int prio, pgn, dst, src, len, r, i;
  char        *p;

  p = findOccurrence(msg, ',', 1);
  if (!p)
  {
    return 1;
  }
  p--; // Back to comma

  memcpy(m->timestamp, msg, p - msg);
  m->timestamp[p - msg] = 0;

  /* Moronic Windows does not support %hh<type> so we use intermediate variables */
  r = sscanf(p, ",%u,%u,%u,%u,%u ", &prio, &pgn, &src, &dst, &len);
  if (r < 5)
  {
    logError("Error reading message, scanned %u from %s", r, msg);
    if (!showJson)
      fprintf(stdout, "%s", msg);
    return 2;
  }

  p = findOccurrence(p, ',', 6);
  if (!p)
  {
    logError("Error reading message, scanned %zu bytes from %s", p - msg, msg);
    if (!showJson)
      fprintf(stdout, "%s", msg);
    return 2;
  }
  for (i = 0; i < len; i++)
  {
    if (scanHex(&p, &m->data[i]))
    {
      logError("Error reading message, scanned %zu bytes from %s/%s, index %u", p - msg, msg, p, i);
      if (!showJson)
        fprintf(stdout, "%s", msg);
      return 2;
    }
    if (i < len)
    {
      if (*p != ',' && !isspace(*p))
      {
        logError("Error reading message, scanned %zu bytes from %s", p - msg, msg);
        if (!showJson)
          fprintf(stdout, "%s", msg);
        return 2;
      }
      p++;
    }
  }

  return setParsedValues(m, prio, pgn, dst, src, len);
}