libft/ft_split.c at main · jos-felipe/libft · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_split.c                                         :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: josfelip <josfelip@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/08/01 09:28:53 by josfelip          #+#    #+#             */
/*   Updated: 2023/08/05 07:57:54 by josfelip         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

static size_t	ft_wc(char const *s, char c)
{
	size_t	sig;
	size_t	_wc;

	sig = 0;
	_wc = 0;
	while (*s)
	{
		if (*s != c && sig == 0)
		{
			_wc++;
			sig = 1;
		}
		if (*s == c)
			sig = 0;
		s++;
	}
	return (_wc);
}

static char	*ft_getwrd(char const *s, char c)
{
	size_t	len;
	char	*wrd;

	len = 0;
	while (s[len] && s[len] != c)
		len++;
	wrd = (char *)malloc(sizeof(char) * (len + 1));
	if (!wrd)
		return (NULL);
	wrd = (char *)ft_memmove(wrd, s, len);
	wrd[len] = '\0';
	return (wrd);
}

char	**ft_split(char const *s, char c)
{
	size_t	len;
	size_t	idx;
	char	**_ss;

	len = ft_wc(s, c);
	idx = 0;
	_ss = (char **)malloc(sizeof(char **) * (len + 1));
	if (!_ss)
		return (NULL);
	while (*s)
	{
		if (*s != c)
		{
			_ss[idx] = ft_getwrd(s, c);
			s += ft_strlen(_ss[idx]);
			idx++;
		}
		else
			s++;
	}
	_ss[len] = NULL;
	return (_ss);
}