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HDFS-16466. Implement Linux permission flags on Windows (#4526)

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* HDFS-16466. Implement Linux permission flags on Windows

* statinfo.cc uses POSIX permission flags.
  These flags aren't available for Windows.
* This PR implements the equivalent flags
  on Windows to make this cross platform
  compatible.
This commit is contained in:
Gautham B A 2022-07-08 09:29:13 +05:30 committed by GitHub
parent 3ec4b932c1
commit 8e39e35bea
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2 changed files with 45 additions and 1 deletions
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4
hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/lib/common/statinfo.cc
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@ -17,10 +17,12 @@
*/
#include <hdfspp/statinfo.h>
#include <sys/stat.h>
#include <sstream>
#include <iomanip>
#include "x-platform/stat.h"
namespace hdfs {
StatInfo::StatInfo()

42
hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/lib/x-platform/stat.h Normal file
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@ -0,0 +1,42 @@
/**
* 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 NATIVE_LIBHDFSPP_LIB_CROSS_PLATFORM_STAT
#define NATIVE_LIBHDFSPP_LIB_CROSS_PLATFORM_STAT
#include <sys/stat.h>
#if defined(_WIN32)
// Windows defines the macros for user RWX (_S_IREAD, _S_IWRITE and _S_IEXEC),
// but not for group and others. We implement the permissions for group and
// others through appropriate bit shifting.
#define S_IRUSR _S_IREAD
#define S_IWUSR _S_IWRITE
#define S_IXUSR _S_IEXEC
#define S_IRGRP (S_IRUSR >> 3)
#define S_IWGRP (S_IWUSR >> 3)
#define S_IXGRP (S_IXUSR >> 3)
#define S_IROTH (S_IRGRP >> 3)
#define S_IWOTH (S_IWGRP >> 3)
#define S_IXOTH (S_IXGRP >> 3)
#endif
#endif