libft_new/str/ft_strmapi.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strmapi.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: adjoly <adjoly@student.42angouleme.fr>     +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/11/11 11:44:24 by adjoly            #+#    #+#             */
/*   Updated: 2024/02/04 14:48:02 by adjoly           ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "../libft.h"

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

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