wip_parsing
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47
libft/str/ft_substr.c
Normal file
47
libft/str/ft_substr.c
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/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_substr.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: madumerg <madumerg@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/11/06 11:14:21 by madumerg #+# #+# */
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/* Updated: 2023/11/09 16:27:51 by madumerg ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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int ft_min(int lenb, int len)
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{
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if (len < lenb)
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return (len);
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return (lenb);
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}
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char *ft_substr(char const *s, unsigned int start, size_t len)
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{
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char *str;
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size_t lenb;
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size_t i;
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size_t j;
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if (!s)
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return (NULL);
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if (start > ft_strlen(s))
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return (ft_calloc(1, 1));
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lenb = ft_strlen(s) - start;
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str = malloc(sizeof(char) * ft_min(lenb, len) + 1);
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if (!str)
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return (NULL);
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i = start;
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j = 0;
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while (s[i] && j < len)
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{
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str[j] = s[i];
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i++;
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j++;
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}
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str[j] = '\0';
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return (str);
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}
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