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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999-2025 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/>. */
#include <config.h>
#include <stdlib.h>
#include <mailutils/types.h>
#include <mailutils/message.h>
#include <mailutils/errno.h>
#include <mailutils/attribute.h>
#include <mailutils/sys/message.h>
int
mu_message_get_attribute (mu_message_t msg, mu_attribute_t *pattribute)
{
if (msg == NULL)
return EINVAL;
if (pattribute == NULL)
return MU_ERR_OUT_PTR_NULL;
if (msg->attribute == NULL)
{
mu_attribute_t attribute;
int status = mu_attribute_create (&attribute, msg);
if (status != 0)
return status;
msg->attribute = attribute;
}
*pattribute = msg->attribute;
return 0;
}
int
mu_message_set_attribute (mu_message_t msg, mu_attribute_t attribute, void *owner)
{
if (msg == NULL)
return EINVAL;
if (msg->owner != owner)
return EACCES;
if (msg->attribute)
mu_attribute_destroy (&msg->attribute, owner);
msg->attribute = attribute;
msg->flags |= MESSAGE_MODIFIED;
return 0;
}
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