libft/ft_strmapi.c at master · badi361/libft · GitHub

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strmapi.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: bguzel <bguzel@student.42.fr>              +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/10/24 16:06:11 by bguzel            #+#    #+#             */
/*   Updated: 2022/11/01 15:28:03 by bguzel           ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

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

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

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