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/*
* FCML - Free Code Manipulation Library.
* Copyright (C) 2010-2019 Slawomir Wojtasiak
*
* 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
*/
/** @file fcml_env.h
* API for environment configuration.
* @copyright Copyright (C) 2010-2015 Slawomir Wojtasiak. All rights reserved.
* This project is released under the GNU Lesser General Public License.
*/
#ifndef FCML_ENV_H_
#define FCML_ENV_H_
#include "fcml_types.h"
#ifdef __cplusplus
extern "C" {
#endif
/** Memory allocator handler function pointer declaration.
* Memory allocation handlers are used to allocate requested memory in
* environment specific way.
* @param size Size of the memory to allocate.
* @return The allocated memory block or NULL in case of out of memory.
*/
typedef fcml_ptr (*fcml_fp_env_memory_alloc_handler)(fcml_usize size);
/** Memory reallocator handler function pointer declaration.
* Memory reallocation handlers are used to reallocate requested memory in
* environment specific way.
* @param ptr The memory block to be reallocated.
* @param size Size of the memory to allocate.
* @return The reallocated memory block or NULL in case of out of memory.
*/
typedef fcml_ptr (*fcml_fp_env_memory_realloc_handler)(fcml_ptr ptr,
fcml_usize size);
/** Memory deallocator handler function pointer declaration.
* Memory deallocation handlers are used to free requested memory blocks in
* environment specific way.
* @param memory_block The memory block to free.
*/
typedef void (*fcml_fp_env_memory_free_handler)(fcml_ptr memory_block);
/**
* Registers the new dedicated handler responsible for allocating
* memory for the sake of internal FCML implementation.
* @param handler New memory allocation handler.
* @return The replaced memory handler.
*/
LIB_EXPORT fcml_fp_env_memory_alloc_handler LIB_CALL
fcml_fn_env_register_memory_alloc_handler(
fcml_fp_env_memory_alloc_handler handler);
/**
* Registers the new dedicated handler responsible for reallocating
* memory for the sake
* of internal FCML implementation.
* @param handler New memory reallocation handler.
* @return The replaced memory handler.
*/
LIB_EXPORT fcml_fp_env_memory_realloc_handler LIB_CALL
fcml_fn_env_register_memory_realloc_handler(
fcml_fp_env_memory_realloc_handler handler);
/**
* Registers the new dedicated handler responsible for deallocating the
* memory for the sake
* of internal FCML implementation.
* @param handler New memory deallocation handler.
* @return The replaced memory handler.
*/
LIB_EXPORT fcml_fp_env_memory_free_handler LIB_CALL
fcml_fn_env_register_memory_free_handler(
fcml_fp_env_memory_free_handler handler);
#ifdef __cplusplus
}
#endif
#endif /* FCML_ENV_H_ */