112 lines
2.4 KiB
C
112 lines
2.4 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: kcolin <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/10/17 16:09:01 by kcolin #+# #+# */
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/* Updated: 2024/10/17 16:50:01 by kcolin ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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#include <stdlib.h>
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static size_t count_segments(char const *s, char c)
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{
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size_t i;
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int count;
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i = 0;
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count = 0;
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while (s[i] != '\0')
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{
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if (s[i] != c && (s[i + 1] == c || s[i + 1] == '\0'))
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count++;
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i++;
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}
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return (count);
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}
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static char *ft_strnchr(const char *s, int c)
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{
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int i;
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i = 0;
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while (s[i] != '\0')
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{
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if (s[i] != c)
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return ((char *)s + i);
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i++;
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}
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return (0);
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}
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static void free_buf(char **buf, size_t length)
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{
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size_t i;
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i = 0;
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while (i < length)
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{
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free(buf[i]);
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i++;
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}
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free(buf);
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}
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char **ft_split(char const *s, char c)
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{
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char **out;
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size_t s_idx;
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size_t out_idx;
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size_t length;
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out = ft_calloc(count_segments(s, c) + 1, sizeof(char *));
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if (out == NULL)
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return (NULL);
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s_idx = 0;
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out_idx = 0;
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while (out_idx < count_segments(s, c))
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{
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s_idx = ft_strnchr(s + s_idx, c) - s;
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length = ft_strchr(s + s_idx, c) - s - s_idx;
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out[out_idx] = ft_substr(s, s_idx, length);
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if (out[out_idx] == NULL)
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{
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free_buf(out, out_idx);
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return (NULL);
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}
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s_idx += length;
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out_idx++;
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}
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return (out);
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}
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/*
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#include <stdio.h> // TODO: BAD
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int main(int argc, char **argv)
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{
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if (argc == 3)
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{
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int count = count_segments(argv[1], argv[2][0]);
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printf("segments: %d\n", count);
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char **buf = ft_split(argv[1], argv[2][0]);
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size_t i = 0;
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while (buf[i] != NULL)
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{
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printf("%zu\t'%s'\n", i, buf[i]);
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i++;
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}
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free_buf(buf, i);
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return (0);
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}
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else
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{
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printf("Usage: %s <string> <separator>\n", argv[0]);
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return (1);
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}
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}
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*/
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