projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| f67539c2 TL |
1 | /* |
| 2 | * Copyright (c) 2017 Uber Technologies, Inc. | |
| 3 | * | |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
| 5 | * you may not use this file except in compliance with the License. | |
| 6 | * You may obtain a copy of the License at | |
| 7 | * | |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 9 | * | |
| 10 | * Unless required by applicable law or agreed to in writing, software | |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 13 | * See the License for the specific language governing permissions and | |
| 14 | * limitations under the License. | |
| 15 | */ | |
| 16 | ||
| 17 | #ifndef JAEGERTRACING_PLATFORM_ENDIAN_H | |
| 18 | #define JAEGERTRACING_PLATFORM_ENDIAN_H | |
| 19 | ||
| 20 | #include <cstdint> | |
| 21 | ||
| 22 | #if defined(__APPLE__) | |
| 23 | ||
| 24 | #include <libkern/OSByteOrder.h> | |
| 25 | #define htobe16(x) OSSwapHostToBigInt16(x) | |
| 26 | #define htobe32(x) OSSwapHostToBigInt32(x) | |
| 27 | #define htobe64(x) OSSwapHostToBigInt64(x) | |
| 28 | #define be16toh(x) OSSwapBigToHostInt16(x) | |
| 29 | #define be32toh(x) OSSwapBigToHostInt32(x) | |
| 30 | #define be64toh(x) OSSwapBigToHostInt64(x) | |
| 31 | ||
| 32 | #elif defined(__linux__) | |
| 33 | #include <endian.h> | |
| 34 | #elif defined WIN32 | |
| 35 | #include <winsock2.h> | |
| 36 | ||
| 37 | #if BYTE_ORDER == LITTLE_ENDIAN | |
| 38 | ||
| 39 | #define htobe16(x) htons(x) | |
| 40 | #define be16toh(x) ntohs(x) | |
| 41 | ||
| 42 | #define htobe32(x) htonl(x) | |
| 43 | #define be32toh(x) ntohl(x) | |
| 44 | ||
| 45 | #define htobe64(x) htonll(x) | |
| 46 | #define be64toh(x) ntohll(x) | |
| 47 | #elif BYTE_ORDER == BIG_ENDIAN | |
| 48 | #define htobe16(x) (x) | |
| 49 | #define be16toh(x) (x) | |
| 50 | ||
| 51 | #define htobe32(x) (x) | |
| 52 | #define be32toh(x) (x) | |
| 53 | ||
| 54 | #define htobe64(x) (x) | |
| 55 | #define be64toh(x) (x) | |
| 56 | #else | |
| 57 | #error byte order not supported | |
| 58 | #endif | |
| 59 | #else | |
| 60 | #error "unsupported platform" | |
| 61 | #endif | |
| 62 | ||
| 63 | namespace jaegertracing { | |
| 64 | namespace platform { | |
| 65 | namespace endian { | |
| 66 | ||
| 67 | inline uint16_t toBigEndian(uint16_t value) { return htobe16(value); } | |
| 68 | ||
| 69 | inline uint32_t toBigEndian(uint32_t value) { return htobe32(value); } | |
| 70 | ||
| 71 | inline uint64_t toBigEndian(uint64_t value) { return htobe64(value); } | |
| 72 | ||
| 73 | inline uint16_t fromBigEndian(uint16_t value) { return be16toh(value); } | |
| 74 | ||
| 75 | inline uint32_t fromBigEndian(uint32_t value) { return be32toh(value); } | |
| 76 | ||
| 77 | inline uint64_t fromBigEndian(uint64_t value) { return be64toh(value); } | |
| 78 | ||
| 79 | } // namespace endian | |
| 80 | } // namespace platform | |
| 81 | } // namespace jaegertracing | |
| 82 | ||
| 83 | #endif // JAEGERTRACING_PLATFORM_ENDIAN_H |