ft_strmapi.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strmapi.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: galemair <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2018/04/03 16:18:29 by galemair          #+#    #+#             */
/*   Updated: 2018/04/04 14:03:16 by galemair         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

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

	if (!s || !f)
		return (NULL);
	if ((str = malloc(sizeof(*str) * (ft_strlen(s) + 1))) == NULL)
		return (NULL);
	i = 0;
	while (s[i])
	{
		str[i] = (*f)(i, s[i]);
		i++;
	}
	str[i] = '\0';
	return (str);
}