add ioctl wrapper header

Author: cowtoolz

libc/hdr/sys_ioctl_macros.h

@@ -0,0 +1,22 @@
+//===-- Definition of macros from sys/ioctl.h -----------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIBC_HDR_SYS_IOCTL_MACROS_H
+#define LLVM_LIBC_HDR_SYS_IOCTL_MACROS_H
+
+#ifdef LIBC_FULL_BUILD
+
+#include "include/llvm-libc-macros/sys-ioctl-macros.h"
+
+#else // Overlay mode
+
+#include <sys/ioctl.h>
+
+#endif // LLVM_LIBC_FULL_BUILD
+
+#endif // LLVM_LIBC_HDR_SYS_IOCTL_MACROS_H

libc/test/src/sys/ioctl/linux/CMakeLists.txt

@@ -9,7 +9,7 @@ add_libc_unittest(
   SRCS
     ioctl_test.cpp
   DEPENDS
-    libc.include.sys_ioctl
+    libc.hdr.ioctl_macros
     libc.src.sys.ioctl.ioctl
     libc.src.errno.errno
     libc.src.fcntl.open

libc/test/src/sys/ioctl/linux/ioctl_test.cpp

@@ -5,14 +5,15 @@
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
+
 #include "src/errno/libc_errno.h"
 #include "src/fcntl/open.h"
 #include "src/sys/ioctl/ioctl.h"
 #include "src/unistd/close.h"
 #include "src/unistd/read.h"
 #include "test/UnitTest/ErrnoSetterMatcher.h"
 
-#include <sys/ioctl.h>
+#include "hdr/sys_ioctl_macros.h"
 
 using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails;
 using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds;