/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strmapi.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: rparodi <marvin@42.fr>                     +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/11/09 13:56:57 by rparodi           #+#    #+#             */
/*   Updated: 2024/10/31 18:14:29 by rparodi          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

/**
 * @brief Applies a function to each character of a string.
 * 
 * @param s The input string.
 * @param f The function to apply to each character.
 * 
 * @return A pointer to the newly created string,
 * or NULL if memory allocation fails.
 */
char	*ft_strmapi(char const *s, char (*f)(unsigned int, char))
{
	size_t	i;
	size_t	len;
	char	*str;

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