38 lines
1.5 KiB
C
38 lines
1.5 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* str_substring.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/11/07 22:42:55 by maiboyer #+# #+# */
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/* Updated: 2023/12/09 16:52:34 by maiboyer ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "me/mem/mem.h"
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#include "me/str/str.h"
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#include "me/str/str.h"
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#include "me/str/str.h"
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#include <stdlib.h>
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t_str str_substring(t_const_str str, t_usize start, t_usize len)
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{
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t_usize len_str;
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t_usize len_str_substring;
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t_str out;
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if (str == NULL)
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return (NULL);
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len_str = str_len(str);
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if (start >= len_str)
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return (mem_alloc(1));
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len_str_substring = len_str - start + 1;
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if (len_str_substring > len)
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len_str_substring = len + 1;
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out = mem_alloc(sizeof(char) * len_str_substring);
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if (out == NULL)
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return (NULL);
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str_l_copy(out, &str[start], len_str_substring);
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return (out);
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}
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