Fix ft_memmove and calloc

- memmove doesnt depend on a buffer size
- calloc return NULL if count or size == 0
- added byte type

1 files changed, 4 insertions, 0 deletions

diff --git a/ft_calloc.c b/ft_calloc.c
index a6d88a0..0cdce92 100644
--- a/ft_calloc.c
+++ b/ft_calloc.c
@@ -17,6 +17,10 @@ void	*ft_calloc(size_t count, size_t size)
 {
 	void *mem;
 
+    if (count == 0 || size == 0)
+    {
+        return (NULL);
+    }
 	if ((mem = malloc(count * size)) == NULL)
 		return (NULL);
 	ft_bzero(mem, count * size);