60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_memmove.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: rparodi <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/11/07 16:51:35 by rparodi #+# #+# */
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/* Updated: 2025/09/04 11:56:02 by rparodi ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include <unistd.h>
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static char *ft_checks(char *s, char *d, size_t n)
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{
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size_t i;
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i = 0;
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if (d < s)
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{
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while (i < n)
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{
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d[i] = s[i];
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i++;
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}
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}
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else
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{
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i = n;
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while (i > 0)
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{
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i--;
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d[i] = s[i];
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}
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}
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return (d);
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}
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/**
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* @brief Copies memory with overlap handling
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*
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* @param dest Pointer to the destination memory area
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* @param src Pointer to the source memory area
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* @param n Number of bytes to copy from src to dest
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*
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* @return A pointer to the destination memory area dest
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*/
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void *ft_memmove(void *dest, const void *src, size_t n)
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{
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char *d;
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char *s;
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if (!dest && !src)
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return (NULL);
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d = (char *)dest;
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s = (char *)src;
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ft_checks(s, d, n);
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return (dest);
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}
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