21sh/ft_strmapi.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strmapi.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: mazimi <mazimi@student.42.fr>              +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2014/11/26 12:17:15 by mazimi            #+#    #+#             */
/*   Updated: 2014/12/02 16:04:59 by mazimi           ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

char	*ft_strmapi(char const *s, char (*f)(unsigned int, char))
{
	unsigned int	i;
	char			*str;

	if (s != NULL && f != NULL)
	{
		str = ft_strdup(s);
		i = -1;
		while (s[++i])
			str[i] = f(i, s[i]);
		return (str);
	}
	return (NULL);
}