1/********************************************************************
2 * Copyright (c) 2013 - 2014, Pivotal Inc.
3 * All rights reserved.
4 *
5 * Author: Zhanwei Wang
6 ********************************************************************/
7/********************************************************************
8 * 2014 -
9 * open source under Apache License Version 2.0
10 ********************************************************************/
11/**
12 * Licensed to the Apache Software Foundation (ASF) under one
13 * or more contributor license agreements. See the NOTICE file
14 * distributed with this work for additional information
15 * regarding copyright ownership. The ASF licenses this file
16 * to you under the Apache License, Version 2.0 (the
17 * "License"); you may not use this file except in compliance
18 * with the License. You may obtain a copy of the License at
19 *
20 * http://www.apache.org/licenses/LICENSE-2.0
21 *
22 * Unless required by applicable law or agreed to in writing, software
23 * distributed under the License is distributed on an "AS IS" BASIS,
24 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
25 * See the License for the specific language governing permissions and
26 * limitations under the License.
27 */
28#ifndef _HDFS_LIBHDFS3_COMMON_BIGENDIAN_H_
29#define _HDFS_LIBHDFS3_COMMON_BIGENDIAN_H_
30
31#include <arpa/inet.h>
32#include <cstring>
33
34namespace Hdfs {
35namespace Internal {
36
37static inline int16_t ReadBigEndian16FromArray(const char * buffer) {
38 int16_t retval;
39 retval = ntohs(*reinterpret_cast<const int16_t *>(buffer));
40 return retval;
41}
42
43static inline int32_t ReadBigEndian32FromArray(const char * buffer) {
44 int32_t retval;
45 retval = ntohl(*reinterpret_cast<const int32_t *>(buffer));
46 return retval;
47}
48
49static inline char * WriteBigEndian16ToArray(int16_t value, char * buffer) {
50 int16_t bigValue = htons(value);
51 memcpy(buffer, reinterpret_cast<const char *>(&bigValue), sizeof(int16_t));
52 return buffer + sizeof(int16_t);
53}
54
55static inline char * WriteBigEndian32ToArray(int32_t value, char * buffer) {
56 int32_t bigValue = htonl(value);
57 memcpy(buffer, reinterpret_cast<const char *>(&bigValue), sizeof(int32_t));
58 return buffer + sizeof(int32_t);
59}
60
61}
62}
63
64#endif /* _HDFS_LIBHDFS3_COMMON_BIGENDIAN_H_ */
65