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33 lines
1.3 KiB
33 lines
1.3 KiB
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_memmove.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: narnaud <narnaud@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2021/10/22 15:17:21 by narnaud #+# #+# */
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/* Updated: 2021/11/15 09:01:11 by narnaud ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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void *ft_memmove(void *dst, const void *src, size_t n)
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{
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size_t i;
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unsigned char *ptr_dst;
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unsigned char *ptr_src;
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ptr_dst = (unsigned char *)dst;
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ptr_src = (unsigned char *)src;
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i = 0;
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if (!dst && !src)
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return (NULL);
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if (ptr_src < ptr_dst)
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while (++i <= n)
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ptr_dst[n - i] = ptr_src[n - i];
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else
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while (n--)
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*(ptr_dst++) = *(ptr_src++);
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return (dst);
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}
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