102 lines
2.3 KiB
C
102 lines
2.3 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_split.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: rparodi <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/11/09 13:56:02 by rparodi #+# #+# */
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/* Updated: 2024/10/31 18:13:39 by rparodi ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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static int count_words(const char *str, char sep)
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{
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int i;
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int count;
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i = 0;
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count = 0;
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while (str[i])
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{
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while (str[i] == sep && str[i])
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i++;
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if (str[i] != sep && str[i])
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{
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while (str[i] != sep && str[i])
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i++;
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count++;
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}
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}
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return (count);
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}
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static char *ft_strndup(const char *s, int j)
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{
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int i;
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char *str;
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i = 0;
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str = (char *)malloc((j + 1));
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if (!str)
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return (NULL);
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while (s[i] && i < j)
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{
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str[i] = s[i];
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i++;
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}
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str[i] = '\0';
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return (str);
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}
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static char **ext_w(char **words_array, const char *str, char sep, int size)
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{
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int i;
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int j;
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i = 0;
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j = 0;
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while (j < size)
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{
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while (str[i] == sep && str[i])
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i++;
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str = str + i;
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i = 0;
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while (str[i] != sep && str[i])
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i++;
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words_array[j++] = ft_strndup(str, i);
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str = str + i;
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i = 0;
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}
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words_array[j] = 0;
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return (words_array);
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}
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/**
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* @brief Splits a string into an array of substrings based on a delimiter.
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*
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* @param s The string to split.
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* @param c The delimiter character.
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*
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* @return A NULL-terminated array of substrings,
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* or NULL if memory allocation fails.
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*/
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char **ft_split(char const *s, char c)
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{
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int size;
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char **words_array;
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size = count_words(s, c);
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words_array = (char **)malloc(sizeof(char *) * (size + 1));
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if (!words_array)
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return (NULL);
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if (size == 0)
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{
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words_array[0] = NULL;
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return (words_array);
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}
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words_array = ext_w(words_array, s, c, size);
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return (words_array);
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}
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