ft_memmove.c File Reference

#include <string.h>
#include "ft_mem.h"

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Functions
void *	ft_memmove (void *dst, const void *src, size_t n)

Function Documentation

ft_memmove()

void* ft_memmove	(	void *	dst,
		const void *	src,
		size_t	n
	)

Definition at line 16 of file ft_memmove.c.

{
    unsigned char   *p_c_dst;
    unsigned char   *p_c_src;
    signed char     direction;
 
    if (src == dst || n == 0)
        return (dst);
    p_c_dst = (unsigned char *)dst;
    p_c_src = (unsigned char *)src;
    if (dst > src)
    {
        p_c_dst += n - 1;
        p_c_src += n - 1;
        direction = -1;
    }
    else
        direction = 1;
    while (n-- > 0)
    {
        *p_c_dst = *p_c_src;
        p_c_dst += direction;
        p_c_src += direction;
    }
    return (dst);
}

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