rockbox/lib/skin_parser/skin_buffer.h
Jonathan Gordon 9e07ef2b0a Use buflib for all skin engine allocations.
Massive thanks to Michael Chicoine and other testers for finding the early bugs.

This removes all skin memory limitations

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30991 a1c6a512-1295-4272-9138-f99709370657
2011-11-15 14:11:08 +00:00

59 lines
2 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: skin_buffer.c 25962 2010-05-12 09:31:40Z jdgordon $
*
* Copyright (C) 2002 by Linus Nielsen Feltzing
* Copyright (C) 2009 Jonathan Gordon
*
* 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.
*
****************************************************************************/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#ifndef _SKIN_BUFFFER_H_
#define _SKIN_BUFFFER_H_
void skin_buffer_init(char* buffer, size_t size);
/* Allocate size bytes from the buffer */
#ifndef __PCTOOL__
#define INVALID_OFFSET (-1)
#define IS_VALID_OFFSET(o) ((o) >= 0)
long skin_buffer_to_offset(void *pointer);
void* skin_buffer_from_offset(long offset);
#else
#define INVALID_OFFSET (NULL)
#define IS_VALID_OFFSET(o) ((o) != NULL)
#define skin_buffer_to_offset(p) p
#define skin_buffer_from_offset(o) o
#endif
/* #define DEBUG_SKIN_ALLOCATIONS */
#ifdef DEBUG_SKIN_ALLOCATIONS
#define FOO(X) #X
#define STRNG(X) FOO(X)
#define skin_buffer_alloc(s) skin_buffer_alloc_ex(s, __FILE__ ":" STRNG(__LINE__))
void* skin_buffer_alloc_ex(size_t size, char* str);
#else
void* skin_buffer_alloc(size_t size);
#endif
/* get the number of bytes currently being used */
size_t skin_buffer_usage(void);
size_t skin_buffer_freespace(void);
#endif