42-libft/ft_split.c at main · Devaxtion/42-libft · GitHub

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_split.c                                         :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: leramos- <leramos-@student.42lisboa.com    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2025/04/14 15:43:56 by leramos-          #+#    #+#             */
/*   Updated: 2025/04/23 13:36:53 by leramos-         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

static size_t	count_words(char const *str, char c)
{
	size_t	count;

	if (!*str)
		return (0);
	count = 0;
	while (*str)
	{
		while (*str == c)
			str++;
		if (*str)
			count++;
		while (*str && *str != c)
			str++;
	}
	return (count);
}

static char	**fill_array(char **array, char const *str, char c)
{
	size_t	i;
	size_t	str_len;

	i = 0;
	while (*str)
	{
		while (*str == c && *str)
			str++;
		if (*str)
		{
			if (!ft_strchr(str, c))
				str_len = ft_strlen(str);
			else
				str_len = ft_strchr(str, c) - str;
			array[i] = ft_substr(str, 0, str_len);
			str += str_len;
			i++;
		}
	}
	array[i] = NULL;
	return (array);
}

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

	if (!s)
		return (NULL);
	array = malloc((count_words(s, c) + 1) * sizeof(char *));
	if (!array)
		return (NULL);
	array = fill_array(array, s, c);
	return (array);
}