-
Notifications
You must be signed in to change notification settings - Fork 0
/
ft_split.c
112 lines (102 loc) · 2.33 KB
/
ft_split.c
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
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_split.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: sperron <sperron@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/05/21 09:15:02 by sperron #+# #+# */
/* Updated: 2024/05/22 16:10:37 by sperron ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
unsigned int in_charset(char s, char c)
{
if (s == c)
return (1);
return (0);
}
void ft_free_split(char **splitted)
{
unsigned int i;
i = 0;
while (splitted[i])
{
free(splitted[i]);
i++;
}
free(splitted);
}
unsigned int count_words(char const *s, char c)
{
unsigned int i;
unsigned int words;
unsigned int in;
i = 0;
words = 0;
in = 0;
while (s[i] && in_charset(s[i], c))
i++;
while (s[i])
{
if (!in_charset(s[i], c) && !in)
{
in = 1;
words++;
}
else if (in_charset(s[i], c) && in)
in = 0;
i++;
}
return (words);
}
char *write_word(char const *s, char c)
{
unsigned int i;
unsigned int size;
char *word;
size = 0;
while (s[size] && !in_charset(s[size], c))
size++;
if (size == 0)
return (NULL);
word = malloc(sizeof(char) * (size + 1));
if (word)
{
i = 0;
while (i < size)
{
word[i] = s[i];
i++;
}
word[i] = '\0';
}
return (word);
}
char **ft_split(char const *s, char c)
{
unsigned int words;
unsigned int i;
unsigned int word;
char **splitted;
if (s == NULL)
return (NULL);
words = count_words(s, c);
splitted = malloc(sizeof(char *) * (words + 1));
if (!splitted)
return (NULL);
i = 0;
word = 0;
while (s[i] && word < words)
{
while (s[i] && in_charset(s[i], c))
i++;
splitted[word] = write_word(s + i, c);
if (!splitted[word])
return (ft_free_split(splitted), NULL);
i += ft_strlen(splitted[word]);
word++;
}
splitted[words] = 0;
return (splitted);
}