ft_strmapi.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strmapi.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: schetty <schetty@student.42kl.edu.my>      +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/05/10 15:28:46 by schetty           #+#    #+#             */
/*   Updated: 2021/11/11 22:23:36 by schetty          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

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

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