ft_strmapi.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strmapi.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: atweek <atweek@student.42.fr>              +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2020/11/13 15:26:45 by atweek            #+#    #+#             */
/*   Updated: 2020/11/13 15:41:56 by atweek           ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

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

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