pop3_carrier.c
1.86 KB
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/* GNU mailutils - a suite of utilities for electronic mail
Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Library Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program 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 Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <string.h>
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include <stdlib.h>
#include <mailutils/sys/pop3.h>
int
pop3_set_carrier (pop3_t pop3, stream_t carrier)
{
/* Sanity checks. */
if (pop3 == NULL)
return MU_ERROR_INVALID_PARAMETER;
if (pop3->carrier)
{
stream_close (pop3->carrier);
stream_destroy (&pop3->carrier);
}
pop3->carrier = carrier;
return 0;
}
int
pop3_get_carrier (pop3_t pop3, stream_t *pcarrier)
{
/* Sanity checks. */
if (pop3 == NULL || pcarrier == NULL)
return MU_ERROR_INVALID_PARAMETER;
if (pop3->carrier == NULL)
{
stream_t carrier = NULL;
int status = stream_tcp_create (&carrier);
if (status != 0)
return status;
status = stream_buffer_create (&(pop3->carrier), carrier, 1024);
if (status != 0)
{
stream_destroy (&carrier);
return status;
}
}
/* Since we expose the stream incremente the reference count. */
stream_ref (pop3->carrier);
*pcarrier = pop3->carrier;
return 0;
}