1 files changed, 30 insertions, 0 deletions
diff --git a/builtin/stddef.h b/builtin/stddef.h
new file mode 100644
index 0000000000..505dd9f515
--- /dev/null
+++ b/builtin/stddef.h
@@ -0,0 +1,30 @@
+/* Copyright 2016 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef __CROS_EC_STDDEF_H__
+#define __CROS_EC_STDDEF_H__
+
+#ifndef __SIZE_TYPE__
+#define __SIZE_TYPE__ unsigned long
+#endif
+
+typedef __SIZE_TYPE__ size_t;
+/* There is a GCC macro for a size_t type, but not for a ssize_t type.
+ * The following construct convinces GCC to make __SIZE_TYPE__ signed.
+ */
+#define unsigned signed
+typedef __SIZE_TYPE__ ssize_t;
+#undef unsigned
+
+#ifndef NULL
+#define NULL ((void *)0)
+#endif
+
+#ifndef __WCHAR_TYPE__
+#define __WCHAR_TYPE__ int
+#endif
+typedef __WCHAR_TYPE__ wchar_t;
+
+#endif /* __CROS_EC_STDDEF_H__ */