81 lines
2.1 KiB
C
81 lines
2.1 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_strsplitwhitespace.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: tmaze <tmaze@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2019/02/25 16:25:18 by tmaze #+# #+# */
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/* Updated: 2019/02/28 16:22:02 by tmaze ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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static int count_words_ws(char const *s)
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{
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int i;
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int nb_words;
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int in_word;
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in_word = 0;
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nb_words = 0;
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i = -1;
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while (++i == 0 || s[i - 1])
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if (!in_word && !ft_iswhitespace(s[i]) && s[i] != '\0')
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{
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in_word = 1;
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nb_words++;
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}
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else if (in_word && (ft_iswhitespace(s[i]) || s[i] == '\0'))
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in_word = 0;
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return (nb_words);
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}
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static char **get_table_ws(char const *s, char **tab)
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{
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int i;
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int nb_words;
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int in_word;
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size_t start;
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nb_words = 0;
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in_word = 0;
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i = -1;
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while (++i == 0 || s[i - 1])
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if (!in_word && !ft_iswhitespace(s[i]) && (in_word = 1))
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start = i;
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else if (in_word && (ft_iswhitespace(s[i]) || s[i] == '\0'))
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{
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if ((tab[nb_words] = ft_strsub(s, start, i - start)) == NULL)
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{
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while (--nb_words >= 0)
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ft_strdel(&tab[nb_words]);
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free(tab);
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return (NULL);
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}
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nb_words++;
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in_word = 0;
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}
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return (tab);
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}
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char **ft_strsplitwhitespace(char *s)
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{
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int nb_words;
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char **tab;
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nb_words = 0;
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tab = NULL;
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if (s != NULL)
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{
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nb_words = count_words_ws(s);
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if ((tab = (char**)malloc(sizeof(char**) * (nb_words + 1))) == NULL)
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return (NULL);
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tab[nb_words] = NULL;
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return (get_table_ws(s, tab));
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}
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else
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return (NULL);
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}
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