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/*
* Copyright (c) 2013 Jens Kuske <jenskuske@gmail.com>
*
* 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 2.1 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include <string.h>
#include "vdpau_private.h"
#define INITIAL_SIZE 16
static struct
{
void **data;
int size;
} ht;
int handle_create(void *data)
{
int index;
if (!data)
return -1;
for (index = 0; index < ht.size; index++)
if (ht.data[index] == NULL)
break;
if (index >= ht.size)
{
int new_size = ht.size ? ht.size * 2 : INITIAL_SIZE;
void **new_data = realloc(ht.data, new_size * sizeof(void *));
if (!new_data)
return -1;
memset(new_data + ht.size, 0, (new_size - ht.size) * sizeof(void *));
ht.data = new_data;
ht.size = new_size;
}
ht.data[index] = data;
return index + 1;
}
void *handle_get(int handle)
{
if (handle == VDP_INVALID_HANDLE)
return NULL;
int index = handle - 1;
if (index < ht.size)
return ht.data[index];
return NULL;
}
void handle_destroy(int handle)
{
int index = handle - 1;
if (index < ht.size)
ht.data[index] = NULL;
}
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