Files
42-ft_printf/42-libft/ft_split.c

82 lines
1.8 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_split.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: dgaillet <dgaillet@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/11/06 17:02:58 by dgaillet #+# #+# */
/* Updated: 2025/11/12 13:30:49 by dgaillet ### ########lyon.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
static size_t strs_size(const char *s, unsigned char c)
{
int i;
int j;
i = 0;
j = 0;
while (s[j])
{
if ((s[j] != c && j == 0) || (s[j] != c && s[j - 1] == c))
i++;
j++;
}
return (i);
}
static int next_match(char *str, unsigned char c)
{
int i;
i = 0;
while (str[i] && str[i] != c)
i++;
return (i);
}
static void clear_strs(char **strs)
{
size_t i;
i = 0;
while (strs[i])
{
free(strs[i]);
i++;
}
free(strs);
}
char **ft_split(char const *s, char c)
{
char **strs;
int i;
int j;
if (!s)
return (NULL);
strs = ft_calloc(sizeof(char *), strs_size(s, c) + 1);
if (!strs)
return (NULL);
i = 0;
j = 0;
while (s[j])
{
if ((s[j] != c && j == 0) || (s[j] != c && s[j - 1] == c))
{
strs[i] = ft_substr(&s[j], 0, next_match((char *) &s[j], c));
if (!strs[i++])
{
clear_strs(strs);
return (NULL);
}
}
j++;
}
return (strs);
}