#ifndef ARRAY_H
# define ARRAY_H

#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <assert.h>

typedef struct Header_s{
	int	size;
	int	capacity;
	int	type;
}	Header;

#ifndef memset

void	*memset(void *src, char c, size_t size) {
	for (int i = 0; i < size; i++) {
		*(char *)(src + i) = c;
	}
	return (src);
}

#endif

typedef void *Array;

#define ARRAY_BASE_CAPACITY 64

#define ArraySize(arr) ((Header*)(arr) - 1)->size

#define ArrayFree(arr) free(((Header*)(arr) - 1))

#define ArrayPush(arr, x)\
	do {\
		Header *head = NULL;\
		if (!arr) {	\
			head = malloc(sizeof(x) * ARRAY_BASE_CAPACITY + sizeof(Header));\
			head->size = 0;\
			head->type = sizeof(x);\
			head->capacity = ARRAY_BASE_CAPACITY;\
			arr = (void *)(head + 1);\
		}\
		head = (Header*)(arr)-1;\
		assert(sizeof(x) == head->type);\
		if (head->size >= head->capacity) {\
			head->capacity *= 2;\
			head = realloc(head, head->type *head->capacity + sizeof(Header));\
			arr = (void *)(head + 1);\
		}\
		(arr)[head->size++] = x;\
	} while(0)

#define ArrayClear(arr)\
	do {\
		assert(arr);\
		Header * head = (Header*)(arr)-1;\
		memset(arr, 0, head->size * head->type);\
	} while(0)\


#	ifdef ARRAY_IMPL

# endif

#endif