Initial commit: libft Part 1 with tests and documentation

Reimplements 24 libc functions with Doxygen-documented header
and test suite comparing against libc.

1 files changed, 26 insertions, 0 deletions

diff --git a/ft_memmove.c b/ft_memmove.c
new file mode 100644
index 0000000..ace0d90
--- /dev/null
+++ b/ft_memmove.c
@@ -0,0 +1,26 @@
+#include "libft.h"
+
+void *
+ft_memmove (void *dest, const void *src, size_t n)
+{
+  unsigned char *dst_bytes;
+  const unsigned char *src_bytes;
+
+  if (!dest && !src)
+    return (dest);
+  dst_bytes = dest;
+  src_bytes = src;
+  if (dst_bytes > src_bytes)
+    {
+      dst_bytes += n;
+      src_bytes += n;
+      while (n--)
+        *--dst_bytes = *--src_bytes;
+    }
+  else
+    {
+      while (n--)
+        *dst_bytes++ = *src_bytes++;
+    }
+  return (dest);
+}