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ft_split.c
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ft_split.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_split.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: fmorenil <fmorenil@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/03/18 12:13:11 by fmorenil #+# #+# */
/* Updated: 2024/05/21 11:47:17 by fmorenil ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
static size_t ft_countstr(char const *s, char c)
{
size_t i;
size_t word;
size_t count;
i = 0;
word = 1;
count = 0;
if (!s)
return (0);
while (s[i] != '\0')
{
if (s[i] == c)
word = 1;
else if (word == 1)
{
word = 0;
count++;
}
i++;
}
return (count);
}
static int ft_splitwords(char **array, char const *s, char c, int word)
{
size_t start;
size_t end;
start = 0;
end = 0;
while (s[end])
{
if (s[end] == c || s[end] == 0)
start = end + 1;
if (s[end] != c && (s[end + 1] == c || s[end + 1] == 0))
{
array[word] = malloc(((end - start) + 2) * sizeof(char));
if (!array[word])
{
while (word--)
free(array[word]);
return (0);
}
ft_strlcpy(array[word], (s + start), (end - start) + 2);
word++;
}
end++;
}
array[word] = NULL;
return (1);
}
char **ft_split(char const *s, char c)
{
char **array;
if (!s)
return (NULL);
array = (char **)malloc((ft_countstr(s, c) + 1) * sizeof(char *));
if (!array)
return (NULL);
if (!ft_splitwords(array, s, c, 0))
{
free(array);
return (NULL);
}
return (array);
}