Function syslog_write_foreach

drivers/syslog/syslog_write.c:104–225

 ****************************************************************************/

ssize_t syslog_write_foreach(FAR const char *buffer,
                             size_t buflen, bool force)
{
  syslog_write_t write;
  syslog_putc_t  putc;
  size_t nwritten = 0;
  size_t nwritten_max = 0;
  ssize_t ret;
  int i;

  for (i = 0; i < CONFIG_SYSLOG_MAX_CHANNELS; i++)
    {
      FAR syslog_channel_t *channel = g_syslog_channel[i];

      if (channel == NULL)
        {
          break;
        }

#ifdef CONFIG_SYSLOG_IOCTL
      if (channel->sc_state & SYSLOG_CHANNEL_DISABLE)
        {
          continue;
        }
#endif

      write = !force ? channel->sc_ops->sc_write :
                       channel->sc_ops->sc_write_force;
      if (write != NULL)
        {
          nwritten = 0;

#ifdef CONFIG_SYSLOG_CRLF
          if (!(channel->sc_state & SYSLOG_CHANNEL_DISABLE_CRLF))
            {
              size_t head;

              for (head = 0; head < buflen; head++)
                {
                  if (buffer[head] != '\n')
                    {
                      continue;
                    }

                  ret = write(channel, buffer + nwritten, head - nwritten);
                  if (ret >= 0)
                    {
                      ret = write(channel, "\r\n", 2);
                    }

                  if (ret < 0)
                    {
                      return ret;
                    }

                  nwritten = head + 1;
                }
            }