create.c
1.75 KB
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2011-2012, 2014-2016 Free Software Foundation, Inc.
GNU Mailutils is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Mailutils. If not, see <http://www.gnu.org/licenses/>. */
#include <config.h>
#include <stdlib.h>
#include <mailutils/types.h>
#include <mailutils/errno.h>
#include <mailutils/list.h>
#include <mailutils/msgset.h>
#include <mailutils/sys/msgset.h>
/* Comparator function used to locate a message in the list. Second argument
(b) is a pointer to the message number. */
static int
compare_msgnum (const void *a, const void *b)
{
struct mu_msgrange const *range = a;
size_t msgno = *(size_t*)b;
if (range->msg_beg <= msgno && msgno <= range->msg_end)
return 0;
return 1;
}
int
mu_msgset_create (mu_msgset_t *pres, mu_mailbox_t mbox, int flags)
{
mu_msgset_t msgset;
int rc;
msgset = calloc (1, sizeof (*msgset));
if (!msgset)
return ENOMEM;
rc = mu_list_create (&msgset->list);
if (rc)
{
free (msgset);
return rc;
}
mu_list_set_destroy_item (msgset->list, mu_list_free_item);
mu_list_set_comparator (msgset->list, compare_msgnum);
msgset->mbox = mbox;
msgset->flags = _MU_MSGSET_MODE (flags);
*pres = msgset;
return 0;
}