ft_strmapi.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strmapi.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: cromo <marvin@42.fr>                       +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2019/04/06 06:52:30 by cromo             #+#    #+#             */
/*   Updated: 2019/04/06 06:55:25 by cromo            ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

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

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