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skeletton untested project

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thrieg 2025-12-11 06:18:16 +01:00
commit 6fc620e8f4
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37
libft/ft_memcpy.c Executable file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_memcpy.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: thrieg <thrieg@student.42mulhouse.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/10/14 15:52:40 by thrieg #+# #+# */
/* Updated: 2025/02/16 19:04:07 by thrieg ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
void *ft_memcpy(void *dest, const void *src, size_t n)
{
char *str;
unsigned long long *str_packed;
char *str_src;
unsigned long long *str_src_packed;
str_packed = (unsigned long long *)dest;
str_src_packed = (unsigned long long *)src;
while (n >= sizeof(unsigned long long))
{
*str_packed++ = *str_src_packed++;
n -= sizeof(unsigned long long);
}
str = (char *)str_packed;
str_src = (char *)str_src_packed;
while (n > 0)
{
*str++ = *str_src++;
n--;
}
return (dest);
}