libft/ft_split.c at main · Tchipoque/libft · GitHub

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_split.c                                         :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: etchipoq <etchipoq@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2025/08/19 19:19:16 by etchipoq          #+#    #+#             */
/*   Updated: 2025/11/05 11:28:45 by etchipoq         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

static int	count(char const *str, char sep)
{
	int	i;
	int	word;

	i = 0;
	word = 0;
	while (str[i])
	{
		while (str[i] != '\0' && str[i] == sep)
			i++;
		if (str[i] != '\0')
			word++;
		while (str[i] != '\0' && str[i] != sep)
			i++;
	}
	return (word);
}

static char	*new_word(int start, int finish, char const *str)
{
	int		i;
	char	*word;

	if (finish <= start)
		return (NULL);
	word = malloc(sizeof(char) * (finish - start + 1));
	if (!word)
		return (NULL);
	i = 0;
	while (start + i < finish)
	{
		word[i] = str[i + start];
		i++;
	}
	word[i] = '\0';
	return (word);
}

static char	**clearar(char **array, int size)
{
	int	i;

	i = 0;
	while (i < size)
		free(array[i++]);
	free(array);
	return (NULL);
}

static char	**plit(char **array, const char *str, char c)
{
	int	i;
	int	word;
	int	start;
	int	end;

	i = 0;
	word = 0;
	while (str[i] != '\0')
	{
		while (str[i] && str[i] == c)
			i++;
		start = i;
		while (str[i] && str[i] != c)
			i++;
		end = i;
		if (end > start)
		{
			array[word] = new_word(start, end, str);
			if (array[word] == NULL)
				return (clearar(array, word));
			word++;
		}
	}
	array[word] = NULL;
	return (array);
}

char	**ft_split(char const *str, char c)
{
	char	**array;

	if (!str)
		return (NULL);
	array = malloc(sizeof(char *) * (count(str, c) + 1));
	if (!array)
		return (NULL);
	return (plit(array, str, c));
}
/* #include <stdio.h>

int	main(void)
{
	char **res= ft_split("    tripouille 42  ", 0);
	if (res == NULL || !res[0])
	{
		printf("rip\n");
		return (0);
	}
	printf("primeiro: %s \n segundo: %s\n ", res[0], res[1]);
 	free(res[0]);
	free(res[1]);
	free(res[2]);
	free(res);
} */