61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* malloc.h :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: tomoron <tomoron@student.42angouleme.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/11/26 16:38:01 by tomoron #+# #+# */
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/* Updated: 2024/12/02 20:18:33 by tomoron ### ########.fr */
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/* */
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/* ************************************************************************** */
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#ifndef MALLOC_H
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# define MALLOC_H
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# include <stddef.h>
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# include <sys/mman.h>
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# include <unistd.h>
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# include "libft.h"
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# define PAGE_SIZE sysconf(_SC_PAGESIZE)
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# define TINY_MALLOC 1024
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# define SMALL_MALLOC 4096
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# define TINY_CHUNK_SIZE (((16 + TINY_MALLOC) * 100) + 32)
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# define SMALL_CHUNK_SIZE 524288
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typedef struct s_alloc
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{
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size_t size; //8
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struct s_alloc *next; //8
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} t_alloc; //size 16
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typedef struct s_mem_chunk
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{
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size_t space_left; //8
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struct s_mem_chunk *next; //8
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t_alloc *first; //8
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char padding[8];
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} t_mem_chunk; //size 32
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typedef struct s_allocations
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{
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t_mem_chunk *tiny;
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t_mem_chunk *small;
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t_alloc *large;
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} t_allocations;
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typedef unsigned long t_ul;
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extern t_allocations g_allocs;
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void *malloc(size_t size);
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void show_alloc_mem();
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void free(void *ptr);
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void *realloc(void *ptr, size_t size);
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#endif
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