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ft_split.c
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ft_split.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_split.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: anarodri <anarodri@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/10/12 10:41:47 by anarodri #+# #+# */
/* Updated: 2022/12/15 12:51:09 by anarodri ### ########.fr */
/* */
/* ************************************************************************** */
/* Allocates (with malloc(3)) and returns an array of strings obtained by
** splitting "s" using the character "c" as a delimiter.
** Return: The array of new strings resulting from the split,
** NULL if the allocation fails.
*/
#include "../libft.h"
static int ft_strcount(char const *str, char c)
{
size_t i;
size_t count;
i = 0;
count = 0;
while (str[i] != '\0')
{
while (str[i] == c)
i++;
if (str[i] != '\0')
count++;
while (str[i] != '\0' && (str[i] != c))
i++;
}
return (count);
}
static char *ft_strndup(const char *str, size_t n)
{
char *temp;
size_t i;
temp = (char *)malloc(sizeof(char) * n + 1);
if (temp == NULL)
return (NULL);
i = 0;
while (str[i] != '\0' && i < n)
{
temp[i] = str[i];
i++;
}
temp[i] = '\0';
return (temp);
}
char **ft_split(char const *s, char c)
{
char **array;
size_t i;
size_t j;
size_t k;
i = 0;
k = 0;
if (s == NULL)
return (NULL);
array = (char **)malloc(sizeof(char *) * (ft_strcount(s, c) + 1));
if (array == NULL)
return (NULL);
while (s[i] != '\0')
{
while (s[i] == c)
i++;
j = i;
while (s[i] != '\0' && s[i] != c)
i++;
if (i > j)
array[k++] = ft_strndup(s + j, i - j);
}
array[k] = NULL;
return (array);
}