ft_strsplit.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strsplit.c                                      :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: ben <ben@student.42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2019/06/04 13:33:37 by bwebb             #+#    #+#             */
/*   Updated: 2020/05/14 14:33:38 by ben              ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

int	wc(char const *s, char c)
{
	int	i;
	int	k;

	i = 0;
	k = 0;
	while (s[i])
	{
		if ((s[i] != c) && (s[i] != '\0'))
		{
			k++;
			while ((s[i] != c) && (s[i + 1] != '\0'))
				i++;
		}
		i++;
	}
	return (k);
}

char	**ft_strsplit(char const *s, char c)
{
	int		i;
	int		k;
	int		j;
	char	**strs;

	if (!s || !c)
		return (NULL);
	if (!(strs = malloc((wc(s, c) + 1) * sizeof(char *))))
		return (NULL);
	i = -1;
	k = 0;
	while (s[++i])
		if ((s[i] != c) && (s[i] != '\0'))
		{
			j = 1;
			while ((s[++i] != c) && (s[i] != '\0'))
				j++;
			if (!(strs[k] = ft_strsub(s, i - j, j)))
				return (NULL);
			k++;
			if (s[i] == '\0')
				i--;
		}
	strs[k] = NULL;
	return (strs);
}