ft_strdup.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strdup.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: aemebiku <aemebiku@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2014/06/26 15:40:39 by aemebiku          #+#    #+#             */
/*   Updated: 2014/06/26 15:40:40 by aemebiku         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include <stdlib.h>

char	*ft_strdup(const char *s1)
{
	char	*str;
	int		i;

	i = 0;
	if (s1 == NULL)
		return (NULL);
	while (s1[i])
		i++;
	if ((str = (char *)malloc(sizeof(*str) * i + 1)) == NULL)
		return (NULL);
	i = 0;
	while (s1[i] != '\0')
	{
		str[i] = s1[i];
		i++;
	}
	str[i] = '\0';
	return (str);
}