diff options
Diffstat (limited to 'libft/ft_memcmp.c')
| -rw-r--r-- | libft/ft_memcmp.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/libft/ft_memcmp.c b/libft/ft_memcmp.c new file mode 100644 index 0000000..442d3d0 --- /dev/null +++ b/libft/ft_memcmp.c @@ -0,0 +1,34 @@ +/* ************************************************************************** */ +/* */ +/* ::: :::::::: */ +/* ft_memcmp.c :+: :+: :+: */ +/* +:+ +:+ +:+ */ +/* By: kdx <kdx @student.42angouleme.fr +#+ +:+ +#+ */ +/* +#+#+#+#+#+ +#+ */ +/* Created: 2022/09/28 05:37:18 by kdx #+# #+# */ +/* Updated: 2022/10/13 22:32:42 by kdx ### ########.fr */ +/* */ +/* ************************************************************************** */ + +#include "libft.h" +#include <stdint.h> + +int ft_memcmp(const void *s1, const void *s2, size_t n) +{ + const uint8_t *data_1; + const uint8_t *data_2; + size_t i; + + if (n == 0) + return (0); + data_1 = s1; + data_2 = s2; + i = 0; + while (i + 1 < n) + { + if (data_1[i] != data_2[i]) + return (data_1[i] - data_2[i]); + i += 1; + } + return (data_1[i] - data_2[i]); +} |