100 lines
2.1 KiB
C
100 lines
2.1 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: aortigos <aortigos@student.42malaga.com> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/10/22 10:43:43 by aortigos #+# #+# */
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/* Updated: 2023/10/22 10:56:39 by aortigos ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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static int count_str(char const *s1, char c)
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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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if (*s1 == '\0')
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return (0);
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while (*s1 != '\0')
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{
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if (*s1 == c)
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j = 0;
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else if (j == 0)
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{
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j = 1;
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i++;
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}
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s1++;
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}
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return (i);
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}
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static int count_char(char const *s2, char c, int i)
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{
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int len;
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len = 0;
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while (s2[i] != c && s2[i] != '\0')
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{
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len++;
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i++;
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}
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return (len);
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}
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static char **free_mem(char const **dest, int j)
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{
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while (j > 0)
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{
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j--;
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free((void *)dest[j]);
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}
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free(dest);
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return (NULL);
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}
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static char **split(char const *s, char **dest, char c, int l)
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{
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int i;
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int j;
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int k;
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i = 0;
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j = 0;
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while (s[i] != '\0' && j < l)
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{
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k = 0;
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while (s[i] == c)
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i++;
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dest[j] = (char *)malloc(sizeof(char) * count_char(s, c, i) + 1);
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if (dest[j] == NULL)
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return (free_mem((char const **)dest, j));
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while (s[i] != '\0' && s[i] != c)
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dest[j][k++] = s[i++];
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dest[j][k] = '\0';
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j++;
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}
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dest[j] = 0;
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return (dest);
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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 **dest;
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int i;
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if (s == NULL)
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return (NULL);
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i = count_str(s, c);
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dest = (char **)malloc(sizeof(char *) * (i + 1));
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if (dest == NULL)
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return (NULL);
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return (split(s, dest, c, i));
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}
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