60 lines
2 KiB
C
60 lines
2 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* malloc_internal.h :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2017/02/17 23:00:24 by jhalford #+# #+# */
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/* Updated: 2017/03/01 12:03:35 by jhalford ### ########.fr */
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/* */
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/* ************************************************************************** */
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#ifndef MALLOC_INTERNAL_H
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# define MALLOC_INTERNAL_H
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# define malloc_n 64
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# define malloc_m 1024
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# define malloc_N (1 * getpagesize())
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# define malloc_M (2 * getpagesize())
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# define malloc_magic 1234567
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# define HEADER_SIZE (sizeof(t_node) - alignof(t_node))
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# define TINY(x) (x < (malloc_n + 1))
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# define SMALL(x) (!TINY(x) && !LARGE(x))
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# define LARGE(x) (malloc_m < x)
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#include "libft.h"
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#include <sys/mman.h>
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#include <stdalign.h>
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typedef struct s_header {
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int size;
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int magic;
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} t_header;
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typedef struct s_node {
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int size;
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struct s_node *next;
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char data[1];
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} t_node;
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extern t_node *tiny_zone;
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extern t_node *small_zone;
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extern t_node *tiny_alloc;
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extern t_node *small_alloc;
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#include "malloc.h"
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void get_zones(t_node ***zone_ref, t_node ***alloc_ref, size_t size);
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void insert_node(t_node **head, t_node *node);
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int remove_node(t_node **head, t_node *node);
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t_node *split_node(t_node **node, t_node **alloc, t_node **zone, size_t size);
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t_node **find_node_firstfit(t_node **node, size_t size);
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void show_free_mem(void);
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void print_node(char fg[7], t_node *node);
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void error_mmap(void);
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void error_free_notalloc(void *ptr);
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#endif
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