C++ (Cpp) mu_stream_setbufsiz Examples

Example #1

File: mbox.c Project: ssvlab/esbmc-gpu

/* Open the file.  For MU_STREAM_READ, the code tries mmap() first and fall
   back to normal file.  */
static int
mbox_open (mu_mailbox_t mailbox, int flags)
{
  mbox_data_t mud = mailbox->data;
  int status = 0;

  if (mud == NULL)
    return EINVAL;

  mailbox->flags = flags;

  /* Get a stream.  */
  if (mailbox->stream == NULL)
    {
      /* We do not try to mmap for CREAT or APPEND, it is not supported.  */
      status = (flags & MU_STREAM_CREAT)
	|| (mailbox->flags & MU_STREAM_APPEND);

      /* Try to mmap () the file first.  */
      if (status == 0)
	{
	  status = mu_mapfile_stream_create (&mailbox->stream, mud->name, mailbox->flags);
	  if (status == 0)
	    {
	      status = mu_stream_open (mailbox->stream);
	    }
	}

      /* Fall back to normal file if mmap() failed.  */
      if (status != 0)
	{
	  status = mu_file_stream_create (&mailbox->stream, mud->name, mailbox->flags);
	  if (status != 0)
	    return status;
	  status = mu_stream_open (mailbox->stream);
	}
      /* All failed, bail out.  */
      if (status != 0)
	{
	  mu_stream_destroy (&mailbox->stream, NULL);
	  return status;
	}
      /* Even on top of normal FILE *, lets agressively cache.  But this
	 may not be suitable for system tight on memory.  */
      mu_stream_setbufsiz (mailbox->stream, BUFSIZ);
    }
  else
    {
      status = mu_stream_open (mailbox->stream);
      if (status != 0)
	return status;
    }

  MU_DEBUG2 (mailbox->debug, MU_DEBUG_TRACE1, "mbox_open (%s, 0x%x)\n",
	     mud->name, mailbox->flags);

  if (mailbox->locker == NULL)
    status = mu_locker_create (&(mailbox->locker), mud->name, 0);
  return status;
}

Example #2

File: folder.c Project: Distrotech/mailutils

static int
nntp_folder_open (mu_folder_t folder, int flags)
{
  f_nntp_t f_nntp = folder->data;
  mu_stream_t carrier = NULL;
  const char *host;
  unsigned port = MU_NNTP_DEFAULT_PORT; /* default nntp port.  */
  int status = 0;

  /* If we are already open for business, noop.  */
  mu_monitor_wrlock (folder->monitor);
  if (f_nntp->isopen)
    {
      mu_monitor_unlock (folder->monitor);
      return 0;
    }
  mu_monitor_unlock (folder->monitor);

  /* Fetch the server name and the port in the mu_url_t.  */
  status = mu_url_sget_host (folder->url, &host);
  if (status != 0)
    return status;
  mu_url_get_port (folder->url, &port);

  folder->flags = flags;

  /* Create the networking stack.  */
  status = mu_tcp_stream_create (&carrier, host, port, folder->flags);
  if (status != 0)
    return status;
  /* Ask for the stream internal buffering mechanism scheme.  */
  mu_stream_setbufsiz (carrier, BUFSIZ);
  mu_debug (MU_DEBCAT_FOLDER, MU_DEBUG_PROT, ("folder_nntp_open (%s:%ld)", 
             host, port));

  status = mu_nntp_create (&f_nntp->nntp);
  if (status == 0)
    {
      status = mu_nntp_set_carrier (f_nntp->nntp, carrier);
      if (status == 0)
	{
	  status = mu_nntp_connect (f_nntp->nntp);
	  if (status == 0)
	    {
	      mu_monitor_wrlock (folder->monitor);
	      f_nntp->isopen++;
	      mu_monitor_unlock (folder->monitor);
	    }
	}
    }

  return status;
}