/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_malloc.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: thrieg <thrieg@student.42mulhouse.fr>      +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2025/11/17 15:02:55 by thrieg            #+#    #+#             */
/*   Updated: 2025/12/13 06:31:39 by thrieg           ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "../includes/ft_malloc.h"

void *malloc(size_t size)
{
	pthread_mutex_lock(&g_mut);
	if (!g_state.is_init)
		init_env_variables();
	if (!size || size % ALLIGN_BYTES)
		size = ((size / ALLIGN_BYTES) + 1) * ALLIGN_BYTES;
	void *ret = NULL;
	if (size > SMALL_SIZE_MAX)
	{
		ret = add_large(size);
	}
	else if (size > TINY_SIZE_MAX)
	{
		ret = add_small(size);
	}
	else
	{
		ret = add_tiny(size);
	}
	pthread_mutex_unlock(&g_mut);
	if (ret && g_state.patern)
	{
		size = (((t_header *)ret) - 1)->size;
		ft_memset(ret, g_state.patern, size); // doesn't need to lock because we only modify the user pointer and the user doesn't have accces to it yet
	}
	return (ret);
}