[SHELL/EXPERIMENTS]

* Create a branch for some evul shell experiments.

svn path=/branches/shell-experiments/; revision=61927

lib/sdk/crt/mem/memcpy.c

@@ -0,0 +1,36 @@
+#include <string.h>
+
+/* NOTE: This code is a duplicate of memmove implementation! */
+void* memcpy(void* dest, const void* src, size_t count)
+{
+    char *char_dest = (char *)dest;
+    char *char_src = (char *)src;
+
+    if ((char_dest <= char_src) || (char_dest >= (char_src+count)))
+    {
+        /*  non-overlapping buffers */
+        while(count > 0)
+	{
+            *char_dest = *char_src;
+            char_dest++;
+            char_src++;
+            count--;
+	}
+    }
+    else
+    {
+        /* overlaping buffers */
+        char_dest = (char *)dest + count - 1;
+        char_src = (char *)src + count - 1;
+
+        while(count > 0)
+	{
+           *char_dest = *char_src;
+           char_dest--;
+           char_src--;
+           count--;
+	}
+    }
+
+    return dest;
+}