93 lines
2.1 KiB
C
93 lines
2.1 KiB
C
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/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_split.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: cchauvet <cchauvet@student.42angoulem +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2022/10/05 19:04:34 by cchauvet #+# #+# */
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/* Updated: 2022/10/28 19:23:45 by cchauvet ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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static void *ft_cancel(char **tab, size_t len)
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{
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size_t i;
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if (tab != NULL)
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{
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i = 0;
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while (i < len)
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{
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free(tab[i]);
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i++;
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}
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free(tab);
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}
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return (NULL);
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}
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static size_t ft_seglen(const char *s, char c)
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{
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size_t len;
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if (s == NULL)
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return (0);
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len = 0;
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while (*s != 0)
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{
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while (*s == c && *s != 0)
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s++;
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if (*s != 0)
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len++;
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while (*s != c && *s != 0)
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s++;
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}
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return (len);
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}
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static char **ft_segsplitter(char **tab, size_t len, const char *s, char c)
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{
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size_t tab_index;
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size_t let_index;
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size_t start;
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tab_index = 0;
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let_index = 0;
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start = 0;
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if (tab == NULL || s == NULL)
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return (NULL);
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while (tab_index < len)
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{
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while (s[let_index] == c && s[let_index] != 0)
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let_index++;
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start = let_index;
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while (s[let_index] != c && s[let_index] != 0)
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let_index++;
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tab[tab_index] = ft_substr(s, start, let_index - start);
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if (tab[tab_index] == NULL)
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return (ft_cancel(tab, tab_index));
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tab_index++;
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}
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return (tab);
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}
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char **ft_split(const char *s, char c)
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{
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size_t len;
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char **tab;
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if (s == NULL)
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return (NULL);
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len = ft_seglen(s, c);
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tab = malloc((len + 1) * sizeof(char *));
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if (tab == NULL)
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return (NULL);
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tab[len] = NULL;
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if (ft_segsplitter(tab, len, s, c) == NULL)
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return (NULL);
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return (tab);
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}
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