ft_calloc.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_calloc.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: edboutil <edboutil@student.42lyon.fr>      +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/11/13 14:41:16 by edboutil          #+#    #+#             */
/*   Updated: 2022/11/25 13:25:31 by edboutil         ###   ########lyon.fr   */
/*                                                                            */
/* ************************************************************************** */

/*
** 	DESCRIPTION:
** 	The calloc() function contiguously allocates enough space for count
**	objects that are size bytes of memory each and returns a pointer to the
**	allocated memory.  The allocated memory is filled with bytes of value zero.
*/

#include "libft.h"

void	*ft_calloc(size_t count, size_t size)
{
	void	*ptr;

	if (count != 0 && (SIZE_MAX / count < size))
		return (0);
	ptr = malloc(count * size);
	if (!ptr)
		return (NULL);
	ft_bzero(ptr, size * count);
	return (ptr);
}