add a script to generate errno definitions for errno.h

tools/mkerrno.py

@@ -0,0 +1,77 @@
+#!/usr/bin/env python3
+############################################################################
+# tools/mkerrno.py
+#
+# 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.
+#
+############################################################################
+
+import csv
+
+print(
+    """
+/****************************************************************************
+ * include/errno_defs.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.
+ *
+ ****************************************************************************/
+
+/* THIS FILE IS GENERATED. DO NOT EDIT DIRECTLY.
+ *
+ * To regenerate this file, run:
+ *
+ * % python3 tools/mkerrno.py > include/errno_defs.h
+ */
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+"""[
+        1:
+    ]
+)
+
+with open("include/errno.csv") as f:
+    for row in csv.reader(f):
+        comment = ""
+        t = row[3].strip()
+        if t == "linux":
+            comment = "Linux errno extension"
+        if t == "cygwin":
+            comment = "Cygwin"
+        if comment:
+            print(f"#define {row[0]:19s}{row[1]:28s}/* {comment} */")
+        else:
+            print(f"#define {row[0]:19s}{row[1]}")
+        print(f"#define {row[0] + '_STR':19s}{row[2]}")