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ft_split.c
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ft_split.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_split.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: dalcabre <dalcabre@student.42urduliz.co +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/01/22 11:15:25 by dalcabre #+# #+# */
/* Updated: 2024/01/25 16:40:50 by dalcabre ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
static int count_subs(const char *s, char c)
{
size_t count;
size_t i;
count = 0;
i = 0;
while (s[i])
{
while (s[i] == c)
{
i++;
}
if (s[i])
{
count++;
while (s[i] && s[i] != c)
i++;
}
}
return (count);
}
static size_t sub_len(const char *s, char c)
{
size_t i;
i = 0;
while (s[i] != c && s[i])
{
i++;
}
return (i);
}
static char **free_memory(const char **array, size_t count)
{
while (count--)
{
free((void *)array[count]);
}
free(array);
return (NULL);
}
char **ft_split(char const *s, char c)
{
char **array;
size_t index;
size_t count;
if (!s)
return (NULL);
index = 0;
count = count_subs(s, c);
array = (char **)malloc((count + 1) * sizeof(char *));
if (!array)
return (NULL);
while (index < count)
{
while (*s == c)
s++;
array[index] = (char *)malloc((sub_len(s, c) + 1) * sizeof(char));
if (!array[index])
return (free_memory((const char **)array, index));
ft_strlcpy(array[index], s, (sub_len(s, c) + 1));
s = ft_strchr(s, (int)c);
index++;
}
array[index] = NULL;
return (array);
}