pop3_create.c
2.12 KB
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
GNU Mailutils 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.
GNU Mailutils 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 GNU Mailutils; 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 <stdlib.h>
#include <mailutils/error.h>
#include <mailutils/sys/pop3.h>
/* Initialise a pop3_t handle. */
int
pop3_create (pop3_t *ppop3)
{
pop3_t pop3;
/* Sanity check. */
if (ppop3 == NULL)
return MU_ERROR_INVALID_PARAMETER;
pop3 = calloc (1, sizeof *pop3);
if (pop3 == NULL)
return MU_ERROR_NO_MEMORY;
/* Reserve space for the ack(nowledgement) response. */
/* According to RFC 2449: The maximum length of the first line of a
command response (including the initial greeting) is unchanged at
512 octets (including the terminating CRLF). */
pop3->ack.len = 512;
pop3->ack.buf = calloc (pop3->ack.len, 1);
if (pop3->ack.buf == NULL)
{
pop3_destroy (&pop3);
return MU_ERROR_NO_MEMORY;
}
pop3->ack.ptr = pop3->ack.buf;
/* RFC 2449 recommands 255, but we grow it as needed. */
pop3->io.len = 255;
pop3->io.buf = calloc (pop3->io.len, 1);
if (pop3->io.buf == NULL)
{
pop3_destroy (&pop3);
return MU_ERROR_NO_MEMORY;
}
pop3->io.ptr = pop3->io.buf;
pop3->state = POP3_NO_STATE; /* Init with no state. */
pop3->timeout = (10 * 60) * 100; /* The default Timeout is 10 minutes. */
pop3->acknowledge = 0; /* No Ack received. */
*ppop3 = pop3;
return 0; /* Okdoke. */
}