/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strmapi.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: kcolin <marvin@42.fr>                      +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/10/18 11:34:37 by kcolin            #+#    #+#             */
/*   Updated: 2024/10/18 11:52:51 by kcolin           ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"
#include <stdlib.h>

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

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

/*
#include <stdio.h>

char	upcase_some_letters(unsigned int i, char c)
{
	if (i % 2 == 0)
		return (ft_toupper(c));
	else
		return (ft_tolower(c));
}


int	main(int argc, char **argv)
{
	if (argc > 1)
	{
		int	i = 1;

		while (i < argc)
		{
			char	*out = ft_strmapi(argv[i], &upcase_some_letters);
			printf("%d\t'%s'\n", i, out);
			free(out);
			i++;
		}
		return (0);
	}
	else
	{
		printf("Usage: %s <text...>\n", argv[0]);
		return (1);
	}
}
*/