xiaoxiang781216 commented on code in PR #20532:
URL: https://github.com/apache/nuttx/pull/20532#discussion_r4227354551
##########
libs/libc/stdio/Kconfig:
##########
@@ -52,6 +52,16 @@ config NUNGET_CHARS
Number of characters that can be buffered by ungetc() (Only if
FILE_STREAM equals y)
+config LIBC_STDIO_EXT
Review Comment:
remove, the linker could remove the unused code directly
##########
include/stdio_ext.h:
##########
@@ -0,0 +1,85 @@
+/****************************************************************************
+ * include/stdio_ext.h
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership. The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+#ifndef __INCLUDE_STDIO_EXT_H
+#define __INCLUDE_STDIO_EXT_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
Review Comment:
remove
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