noop.c
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2011 Free Software Foundation, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General
Public License along with this library. If not, see
<http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdlib.h>
#include <mailutils/errno.h>
#include <mailutils/imap.h>
#include <mailutils/sys/imap.h>
int
mu_imap_noop (mu_imap_t imap)
{
int status;
if (imap == NULL)
return EINVAL;
if (!imap->io)
return MU_ERR_NO_TRANSPORT;
if (imap->state != MU_IMAP_CONNECTED)
return MU_ERR_SEQ;
switch (imap->state)
{
case MU_IMAP_CONNECTED:
status = _mu_imap_tag_next (imap);
MU_IMAP_CHECK_EAGAIN (imap, status);
status = mu_imapio_printf (imap->io, "%s NOOP\r\n", imap->tag_str);
MU_IMAP_CHECK_ERROR (imap, status);
MU_IMAP_FCLR (imap, MU_IMAP_RESP);
imap->state = MU_IMAP_NOOP_RX;
case MU_IMAP_NOOP_RX:
status = _mu_imap_response (imap, NULL, NULL);
MU_IMAP_CHECK_EAGAIN (imap, status);
switch (imap->resp_code)
{
case MU_IMAP_OK:
status = 0;
break;
case MU_IMAP_NO:
status = MU_ERR_FAILURE;
break;
case MU_IMAP_BAD:
status = MU_ERR_BADREPLY;
break;
}
imap->state = MU_IMAP_CONNECTED;
break;
default:
status = EINPROGRESS;
}
return status;
}