libft-42/ft_strdup.c at main · LuizGandra/libft-42 · GitHub

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strdup.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: lcosta-g <lcosta-g@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/10/09 13:09:14 by lcosta-g          #+#    #+#             */
/*   Updated: 2024/10/26 11:57:56 by lcosta-g         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

char	*ft_strdup(const char *s)
{
	char	*dup;
	size_t	i;

	i = 0;
	dup = (char *)malloc(ft_strlen(s) + 1);
	if (!dup)
		return (NULL);
	while (s[i])
	{
		dup[i] = s[i];
		i++;
	}
	dup[i] = '\0';
	return (dup);
}

/*
#include <stdio.h>
int	main(void)
{
	char	str[] = "strdup example";
	printf("string address: %p\n", str);
	printf("duplicated string address: %p\n", ft_strdup(str));
	printf("duplicated string value: \"%s\"\n", ft_strdup(str));
	printf("\n\n");
	char str2[] = "";
	printf("string address: %p\n", str);
	printf("duplicated string address: %p\n", ft_strdup(str2));
	printf("duplicated string value: \"%s\"\n", ft_strdup(str2));
}
*/