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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_split.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/10/17 08:29:02 by cacharle #+# #+# */
/* Updated: 2019/11/20 03:54:26 by cacharle ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
static size_t count_segment(char const *s, char c)
{
size_t counter;
int i;
counter = 0;
i = 0;
while (s[i])
{
if (s[i] == c)
{
i++;
continue ;
}
counter++;
while (s[i] && s[i] != c)
i++;
}
return (counter);
}
static char *ft_strndup(const char *s1, size_t n)
{
char *clone;
size_t i;
if ((clone = (char*)malloc(sizeof(char) * (n + 1))) == NULL)
return (NULL);
i = 0;
while (i < n)
{
clone[i] = s1[i];
i++;
}
clone[i] = '\0';
return (clone);
}
static void *destroy_strs(char **strs)
{
if (strs == NULL)
return (NULL);
while (*strs != NULL)
free(*strs++);
free(strs);
return (NULL);
}
char **ft_split(char const *s, char c)
{
char **strs;
size_t tab_counter;
size_t i;
size_t j;
if (s == NULL)
return (NULL);
tab_counter = count_segment(s, c);
if ((strs = (char**)malloc(sizeof(char*) * (tab_counter + 1))) == NULL)
return (NULL);
tab_counter = 0;
j = -1;
while (s[++j])
{
if (s[j] == c)
continue ;
i = 0;
while (s[j + i] && s[j + i] != c)
i++;
if ((strs[tab_counter++] = ft_strndup(&s[j], i)) == NULL)
return (destroy_strs(strs));
j += i - 1;
}
strs[tab_counter] = NULL;
return (strs);
}
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