ft_strmapi.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strmapi.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: juhtoo-h <juhtoo-h@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/08/27 15:10:20 by juhtoo-h          #+#    #+#             */
/*   Updated: 2024/08/28 14:17:08 by juhtoo-h         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

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

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

// int main(void)
// {
// 	char s[50] = "imgoingtoschool";
// 	printf("%s\n", ft_strmapi(s, altonum));
// }