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

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strmapi.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: hceviz <marvin@42.fr>                      +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/12/06 13:16:47 by hceviz            #+#    #+#             */
/*   Updated: 2024/12/10 16:29:50 by hceviz           ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

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

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