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/*
* Rune Game Engine
* Copyright 2024 Danny Holman <dholman@gymli.org>
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
*/
#ifndef RUNE_ALLOC_H
#define RUNE_ALLOC_H
#include <rune/util/types.h>
#include <rune/util/list.h>
/**
* Memory block used for memory accounting
*/
struct mem_block {
void *ptr;
size_t sz;
int free;
struct list_head list;
};
/**
* \brief Custom malloc implementation
* \param[in] sz The size of the requested memory block
* \return A pointer to void, or NULL in case of error
*/
RAPI void* rune_alloc(size_t sz);
/**
* \brief Custom calloc implementation
* \param[in] nmemb An integer to fill the memory block with
* \param[in] sz The size of the requested memory block
* \return A pointer to void, or NULL in case of error
*/
RAPI void* rune_calloc(size_t nmemb, size_t sz);
/**
* \brief Custom realloc implementation
* \param[in] ptr A void pointer to a previously alloc'd block, or NULL
* \param[in] sz The size of the requested memory block
* \return A pointer to void, or NULL in case of error
*/
RAPI void* rune_realloc(void *ptr, size_t sz);
/**
* \brief Custom free implementation
* \param[in] ptr A void pointer to a previously alloc'd block
*/
RAPI void rune_free(void *ptr);
/**
* \brief Used to free all memory currently in use by the engine
* This function should only be used at the end of execution, and is normally
* called by rune_exit.
*/
RAPI void rune_free_all(void);
#endif
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