| /** |
| * 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 _HDFS_LIBHDFS3_COMMON_BIGENDIAN_H_ |
| #define _HDFS_LIBHDFS3_COMMON_BIGENDIAN_H_ |
| |
| #include <platform.h> |
| #include <arpa/inet.h> |
| #include <stdint.h> |
| #include <string.h> |
| |
| namespace hdfs { |
| namespace internal { |
| |
| static inline int16_t ReadBigEndian16FromArray(const char * buffer) { |
| int16_t retval; |
| retval = ntohs(*reinterpret_cast<const int16_t *>(buffer)); |
| return retval; |
| } |
| |
| static inline int32_t ReadBigEndian32FromArray(const char * buffer) { |
| int32_t retval; |
| retval = ntohl(*reinterpret_cast<const int32_t *>(buffer)); |
| return retval; |
| } |
| |
| static inline char * WriteBigEndian16ToArray(int16_t value, char * buffer) { |
| int16_t bigValue = htons(value); |
| memcpy(buffer, reinterpret_cast<const char *>(&bigValue), sizeof(int16_t)); |
| return buffer + sizeof(int16_t); |
| } |
| |
| static inline char * WriteBigEndian32ToArray(int32_t value, char * buffer) { |
| int32_t bigValue = htonl(value); |
| memcpy(buffer, reinterpret_cast<const char *>(&bigValue), sizeof(int32_t)); |
| return buffer + sizeof(int32_t); |
| } |
| |
| } |
| } |
| |
| #endif /* _HDFS_LIBHDFS3_COMMON_BIGENDIAN_H_ */ |