ft_strdup.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strdup.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: cado-car <cado-car@student.42sp.org.br>    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/07/30 20:24:40 by cado-car          #+#    #+#             */
/*   Updated: 2021/07/31 11:25:45 by cado-car         ###   ########lyon.fr   */
/*                                                                            */
/* ************************************************************************** */

/*
*	LIBRARY
*	#include <string.h>
*	DESCRIPTION
*	The strdup() function allocates sufficient memory for a copy of the string 
*	s1, does the copy, and returns a pointer to it.
*	PARAMETERS
*	#1. The string to duplicate.
*	RETURN VALUES
*	The strdup() function returns thE pointer to the copy of s1.
*/

#include "libft.h"

char	*ft_strdup(const char *s1)
{
	int		size;
	char	*ptr;

	size = ft_strlen((char *)s1);
	ptr = malloc((size + 1) * sizeof(char));
	if (ptr == NULL)
		return (NULL);
	ft_memcpy(ptr, s1, size);
	ptr[size] = '\0';
	return (ptr);
}