libft/ft_strmapi.c at master · SimonIsCoding/libft · GitHub

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strmapi.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: simarcha <simarcha@student.42barcel>       +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/01/20 12:25:28 by simarcha          #+#    #+#             */
/*   Updated: 2024/01/20 15:46:39 by simarcha         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

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

	i = -1;
	str = malloc(sizeof(char) * (ft_strlen(s) + 1));
	if (!str)
		return (NULL);
	while (s[++i] != '\0')
		str[i] = (*f)(i, s[i]);
	str[i] = 0;
	return (str);
}
/*
#include <stdio.h>
char f(unsigned int i, char c)
{
	char str;
	str = c + i;
	return (str);
}

int main()
{
	char str1[] = "abc";
	char* str2;
	str2 = ft_strmapi(str1, *f);
	printf("%s\n", str2);
}*/