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/*
*
* oFono - Open Source Telephony
*
* Copyright (C) 2009-2010 Nokia Corporation and/or its subsidiary(-ies).
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdint.h>
#include <errno.h>
#include <glib.h>
#include "message.h"
int g_isi_msg_version_major(const GIsiMessage *msg)
{
return msg && msg->version ? msg->version->major : -1;
}
int g_isi_msg_version_minor(const GIsiMessage *msg)
{
return msg && msg->version ? msg->version->minor : -1;
}
int g_isi_msg_error(const GIsiMessage *msg)
{
return msg ? -msg->error : -EINVAL;
}
uint8_t g_isi_msg_resource(const GIsiMessage *msg)
{
return msg && msg->addr ? msg->addr->spn_resource : 0;
}
uint16_t g_isi_msg_object(const GIsiMessage *msg)
{
return msg && msg->addr ? (msg->addr->spn_dev << 8) | msg->addr->spn_obj : 0;
}
uint8_t g_isi_msg_id(const GIsiMessage *msg)
{
const uint8_t *buf;
if (!msg || !msg->data || msg->len < 2)
return 0;
buf = msg->data;
return buf[1];
}
uint8_t g_isi_msg_utid(const GIsiMessage *msg)
{
const uint8_t *buf;
if (!msg || !msg->data || msg->len < 2)
return 0;
buf = msg->data;
return buf[0];
}
size_t g_isi_msg_data_len(const GIsiMessage *msg)
{
return msg && msg->data ? msg->len - 2 : 0;
}
const void *g_isi_msg_data(const GIsiMessage *msg)
{
return msg && msg->data ? (void *)msg->data + 2 : NULL;
}
gboolean g_isi_msg_data_get_byte(const GIsiMessage *msg, unsigned offset,
uint8_t *byte)
{
const uint8_t *buf = g_isi_msg_data(msg);
if (!buf || g_isi_msg_data_len(msg) < offset)
return FALSE;
if (byte)
*byte = buf[offset];
return TRUE;
}
gboolean g_isi_msg_data_get_struct(const GIsiMessage *msg, unsigned offset,
const void **type, size_t len)
{
if (g_isi_msg_data_len(msg) < offset + len)
return FALSE;
if (type)
*type = g_isi_msg_data(msg) + offset;
return TRUE;
}
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