40d8462689
add: - check if map is surronded by walls - check file extension dev: - Makefile: now can include libraries - add library libft - add testmaps - norm
41 lines
1.3 KiB
C
41 lines
1.3 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_substr.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: mcolonna <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/10/03 11:17:12 by mcolonna #+# #+# */
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/* Updated: 2023/10/09 13:27:30 by mcolonna ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include <stdlib.h>
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#include "libft.h"
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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 *dest;
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size_t s_len;
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size_t dest_len;
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size_t i;
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s_len = ft_strlen(s);
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if (s_len < start)
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dest_len = 0;
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else if (s_len < start + len)
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dest_len = s_len - start;
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else
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dest_len = len;
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dest = malloc((dest_len + 1) * sizeof(char));
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if (!dest)
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return (NULL);
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i = 0;
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while (i < dest_len)
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{
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dest[i] = s[start + i];
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i++;
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}
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dest[i] = '\0';
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return (dest);
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}
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