1 | #ifndef AWS_COMMON_BYTE_ORDER_H |
---|---|
2 | #define AWS_COMMON_BYTE_ORDER_H |
3 | |
4 | /* |
5 | * Copyright 2010-2018 Amazon.com, Inc. or its affiliates. All Rights Reserved. |
6 | * |
7 | * Licensed under the Apache License, Version 2.0 (the "License"). |
8 | * You may not use this file except in compliance with the License. |
9 | * A copy of the License is located at |
10 | * |
11 | * http://aws.amazon.com/apache2.0 |
12 | * |
13 | * or in the "license" file accompanying this file. This file is distributed |
14 | * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either |
15 | * express or implied. See the License for the specific language governing |
16 | * permissions and limitations under the License. |
17 | */ |
18 | |
19 | #include <aws/common/common.h> |
20 | |
21 | AWS_EXTERN_C_BEGIN |
22 | |
23 | /** |
24 | * Returns 1 if machine is big endian, 0 if little endian. |
25 | * If you compile with even -O1 optimization, this check is completely optimized |
26 | * out at compile time and code which calls "if (aws_is_big_endian())" will do |
27 | * the right thing without branching. |
28 | */ |
29 | AWS_STATIC_IMPL int aws_is_big_endian(void); |
30 | /** |
31 | * Convert 64 bit integer from host to network byte order. |
32 | */ |
33 | AWS_STATIC_IMPL uint64_t aws_hton64(uint64_t x); |
34 | /** |
35 | * Convert 64 bit integer from network to host byte order. |
36 | */ |
37 | AWS_STATIC_IMPL uint64_t aws_ntoh64(uint64_t x); |
38 | |
39 | /** |
40 | * Convert 32 bit integer from host to network byte order. |
41 | */ |
42 | AWS_STATIC_IMPL uint32_t aws_hton32(uint32_t x); |
43 | |
44 | /** |
45 | * Convert 32 bit float from host to network byte order. |
46 | */ |
47 | AWS_STATIC_IMPL float aws_htonf32(float x); |
48 | |
49 | /** |
50 | * Convert 64 bit double from host to network byte order. |
51 | */ |
52 | AWS_STATIC_IMPL double aws_htonf64(double x); |
53 | |
54 | /** |
55 | * Convert 32 bit integer from network to host byte order. |
56 | */ |
57 | AWS_STATIC_IMPL uint32_t aws_ntoh32(uint32_t x); |
58 | |
59 | /** |
60 | * Convert 32 bit float from network to host byte order. |
61 | */ |
62 | AWS_STATIC_IMPL float aws_ntohf32(float x); |
63 | /** |
64 | * Convert 32 bit float from network to host byte order. |
65 | */ |
66 | AWS_STATIC_IMPL double aws_ntohf64(double x); |
67 | |
68 | /** |
69 | * Convert 24 bit integer from host to network byte order. |
70 | */ |
71 | AWS_STATIC_IMPL uint32_t aws_hton24(uint32_t x); |
72 | |
73 | /** |
74 | * Convert 24 bit integer from network to host byte order. |
75 | */ |
76 | AWS_STATIC_IMPL uint32_t aws_ntoh24(uint32_t x); |
77 | |
78 | /** |
79 | * Convert 16 bit integer from host to network byte order. |
80 | */ |
81 | AWS_STATIC_IMPL uint16_t aws_hton16(uint16_t x); |
82 | |
83 | /** |
84 | * Convert 16 bit integer from network to host byte order. |
85 | */ |
86 | AWS_STATIC_IMPL uint16_t aws_ntoh16(uint16_t x); |
87 | |
88 | #ifndef AWS_NO_STATIC_IMPL |
89 | # include <aws/common/byte_order.inl> |
90 | #endif /* AWS_NO_STATIC_IMPL */ |
91 | |
92 | AWS_EXTERN_C_END |
93 | |
94 | #endif /* AWS_COMMON_BYTE_ORDER_H */ |
95 |