memblock.h

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/****************************************************************************
** gmio
** Copyright Fougue (24 Jun. 2016)
** contact@fougue.pro
**
** This software is a reusable library whose purpose is to provide complete
** I/O support for various CAD file formats (eg. STL)
**
** This software is governed by the CeCILL-B license under French law and
** abiding by the rules of distribution of free software.  You can  use,
** modify and/ or redistribute the software under the terms of the CeCILL-B
** license as circulated by CEA, CNRS and INRIA at the following URL
** "http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html".
****************************************************************************/

#ifndef GMIO_MEMBLOCK_H
#define GMIO_MEMBLOCK_H

#include "global.h"

#include <stddef.h>

struct gmio_memblock
{
    void* ptr;

    size_t size;

    void (*func_deallocate)(void* ptr);
};

GMIO_C_LINKAGE_BEGIN

GMIO_API bool gmio_memblock_isnull(const struct gmio_memblock* mblock);

GMIO_API struct gmio_memblock gmio_memblock(
                void* ptr, size_t size, void (*func_deallocate)(void*));

GMIO_API struct gmio_memblock gmio_memblock_malloc(size_t size);

GMIO_API struct gmio_memblock gmio_memblock_calloc(size_t num, size_t size);

GMIO_API struct gmio_memblock gmio_memblock_realloc(void* ptr, size_t size);

GMIO_API void gmio_memblock_deallocate(struct gmio_memblock* mblock);

typedef struct gmio_memblock (*gmio_memblock_constructor_func_t)();

GMIO_API void gmio_memblock_set_default_constructor(
                gmio_memblock_constructor_func_t ctor);

GMIO_API gmio_memblock_constructor_func_t gmio_memblock_default_constructor();

GMIO_API struct gmio_memblock gmio_memblock_default();

GMIO_C_LINKAGE_END

#endif /* GMIO_MEMBLOCK_H */