set default newlib dir's structure

git-svn-id: svn://kolibrios.org@4874 a494cfbc-eb01-0410-851d-a64ba20cac60

contrib/sdk/sources/newlib/libc/string/strdup_r.c

@@ -0,0 +1,17 @@
+#include <reent.h>
+#include <stdlib.h>
+#include <string.h>
+
+char *
+_DEFUN (_strdup_r, (reent_ptr, str),
+        struct _reent *reent_ptr  _AND
+        _CONST char   *str)
+{
+  size_t len = strlen (str) + 1;
+  char *copy = _malloc_r (reent_ptr, len);
+  if (copy)
+    {
+      memcpy (copy, str, len);
+    }
+  return copy;
+}