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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2006 Frederik M.J. Vestre
* Copyright (C) 2006 Adam Gashlin
*
* This program 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 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
/*
Based on the malloc in codeclib Copyright (C) 2005 Dave Chapman
*/
#include "mallocer.h"
unsigned char* mallocbuf[MEMPOOL_MAX];
long mem_ptr[MEMPOOL_MAX];
size_t bufsize[MEMPOOL_MAX];
#include "plugin.h"
int wpw_init_mempool(unsigned char mempool)
{
mem_ptr[mempool] = 0;
mallocbuf[mempool] = (unsigned char *)rb->plugin_get_buffer(&bufsize[mempool]);
return 0;
}
int wpw_init_mempool_pdm(unsigned char mempool,
unsigned char* mem,long memsize)
{
mem_ptr[mempool] = 0;
mallocbuf[mempool] = mem;
bufsize[mempool]=memsize;
return 0;
}
void wpw_reset_mempool(unsigned char mempool)
{
mem_ptr[mempool]=0;
}
void wpw_destroy_mempool(unsigned char mempool)
{
mem_ptr[mempool] = 0;
mallocbuf[mempool] =0;
bufsize[mempool]=0;
}
long wpw_available(unsigned char mempool)
{
return bufsize[mempool]-mem_ptr[mempool];
}
void* wpw_malloc(unsigned char mempool,size_t size)
{
void* x;
if (mem_ptr[mempool] + size > bufsize[mempool] )
return NULL;
x=&mallocbuf[mempool][mem_ptr[mempool]];
mem_ptr[mempool]+=(size+3)&~3; /* Keep memory 32-bit aligned */
return(x);
}
void* wpw_calloc(unsigned char mempool,size_t nmemb, size_t size)
{
void* x;
x = wpw_malloc(mempool,nmemb*size);
if (x == NULL)
return NULL;
rb->memset(x,0,nmemb*size);
return(x);
}
void codec_free(unsigned char mempool,void* ptr)
{
(void)ptr;
(void)mempool;
}
void* wpw_realloc(unsigned char mempool,void* ptr, size_t size)
{
void* x;
(void)ptr;
x = wpw_malloc(mempool,size);
return(x);
}
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