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ft_split.c
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ft_split.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_split.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lgaudino <lgaudino@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/02/01 12:34:26 by lgaudino #+# #+# */
/* Updated: 2023/02/01 12:34:26 by lgaudino ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
static size_t ft_sub_len(char const *s, char c)
{
size_t result;
result = 0;
while (*s == c && *s)
s++;
if (!*s)
return (0);
while (1)
{
if (!*s || *s == c)
{
result++;
while (*s == c && *s)
s++;
if (!*s)
break ;
}
else
s++;
}
return (result);
}
static char **ft_sub_strs(char const *s, size_t sub_len, char c, char **dst)
{
char *temp;
size_t start;
size_t end;
size_t i;
i = 0;
end = 1;
start = 0;
while (i < sub_len)
{
if ((s[end - 1] != c && s[end] == c) || !s[end])
{
temp = ft_substr(s, start, end - start + 1);
if (!temp)
return (NULL);
dst[i] = ft_strtrim(temp, (char *)&c);
free(temp);
if (!dst[i++])
return (NULL);
start = end + 1;
}
end++;
}
dst[i] = 0;
return (dst);
}
char **ft_split(char const *s, char c)
{
char **result;
size_t sub_len;
if (!s)
return (NULL);
sub_len = ft_sub_len(s, c);
result = (char **)malloc(sizeof(char *) * (sub_len + 1));
if (!result)
return (NULL);
return (ft_sub_strs(s, sub_len, c, result));
}