diff options
Diffstat (limited to 'src/mem/ft_memmove.c')
| -rw-r--r-- | src/mem/ft_memmove.c | 34 |
1 files changed, 18 insertions, 16 deletions
diff --git a/src/mem/ft_memmove.c b/src/mem/ft_memmove.c index aa107bd..73e26b8 100644 --- a/src/mem/ft_memmove.c +++ b/src/mem/ft_memmove.c @@ -6,7 +6,7 @@ /* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */ /* +#+#+#+#+#+ +#+ */ /* Created: 2019/10/07 10:03:21 by cacharle #+# #+# */ -/* Updated: 2019/11/20 03:31:00 by cacharle ### ########.fr */ +/* Updated: 2019/11/21 18:43:26 by cacharle ### ########.fr */ /* */ /* ************************************************************************** */ @@ -14,20 +14,22 @@ void *ft_memmove(void *dst, const void *src, size_t len) { - size_t i; - t_byte *dst_cast; - t_byte *src_cast; + long int *long_dst; + const long int *long_src; + void *dst_copy; - if (dst == src) - return (dst); - dst_cast = (t_byte*)dst; - src_cast = (t_byte*)src; - i = -1; - if (dst_cast < src_cast) - while (++i < len) - dst_cast[i] = src_cast[i]; - else - while (len-- > 0) - dst_cast[len] = src_cast[len]; - return (dst); + if (dst >= src) + return (ft_memcpy(dst, src, len)); + dst_copy = dst; + while (len % 8 > 0) + { + len--; + *(t_byte*)dst++ = *(t_byte*)src++; + } + long_dst = dst; + long_src = src; + len /= 8; + while (len-- > 0) + *long_dst++ = *long_src++; + return (dst_copy); } |