nntp_create.c
2.12 KB
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2004, 2007, 2010-2012, 2014 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 <errno.h>
#include <mailutils/errno.h>
#include <mailutils/sys/nntp.h>
/* Initialise a mu_nntp_t handle. */
int
mu_nntp_create (mu_nntp_t *pnntp)
{
mu_nntp_t nntp;
/* Sanity check. */
if (pnntp == NULL)
return EINVAL;
nntp = calloc (1, sizeof *nntp);
if (nntp == NULL)
return ENOMEM;
/* Reserve space for the ack(nowledgement) response.
According to RFC 977: The maximum length of the first line of a
command response (including the initial greeting) is unchanged at
512 octets (including the terminating CRLF). */
nntp->ack.len = 512;
nntp->ack.buf = calloc (nntp->ack.len, 1);
if (nntp->ack.buf == NULL)
{
mu_nntp_destroy (&nntp);
return ENOMEM;
}
nntp->ack.ptr = nntp->ack.buf;
/* Reserve space for the data response/content.
RFC 977 recommands 255, but we grow it as needed. */
nntp->io.len = 255;
nntp->io.buf = calloc (nntp->io.len, 1);
if (nntp->io.buf == NULL)
{
mu_nntp_destroy (&nntp);
return ENOMEM;
}
nntp->io.ptr = nntp->io.buf;
nntp->state = MU_NNTP_NO_STATE; /* Init with no state. */
nntp->timeout = (10 * 60) * 100; /* The default Timeout is 10 minutes. */
nntp->acknowledge = 0; /* No Ack received. */
*pnntp = nntp;
return 0; /* Okdoke. */
}