ft_strmapi.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strmapi.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: ael-khni <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/11/05 18:03:35 by ael-khni          #+#    #+#             */
/*   Updated: 2021/11/10 09:25:28 by ael-khni         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

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

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