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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2011-2025 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>
static int
count_messages (void *item, void *data)
{
struct mu_msgrange *r = item;
size_t *count = data;
*count += r->msg_end - r->msg_beg + 1;
return 0;
}
int
mu_msgset_count (mu_msgset_t mset, size_t *pcount)
{
int rc;
size_t count = 0;
if (!mset)
return EINVAL;
if (!pcount)
return MU_ERR_OUT_PTR_NULL;
rc = mu_list_foreach (mset->list, count_messages, &count);
if (rc == 0)
*pcount = count;
return rc;
}
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