1 // Copyright 2020 The Pigweed Authors
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not
4 // use this file except in compliance with the License. You may obtain a copy of
5 // the License at
6 //
7 // https://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
12 // License for the specific language governing permissions and limitations under
13 // the License.
14
15 #include <cstring>
16
17 #include "pw_bloat/bloat_this_binary.h"
18 #include "pw_protobuf/decoder.h"
19
20 namespace {
21 // clang-format off
22 constexpr uint8_t encoded_proto[] = {
23 // type=int32, k=1, v=42
24 0x08, 0x2a,
25 // type=sint32, k=2, v=-13
26 0x10, 0x19,
27 };
28 // clang-format on
29 } // namespace
30
31 int* volatile non_optimizable_pointer;
32
main()33 int main() {
34 pw::bloat::BloatThisBinary();
35
36 int32_t test_int32, test_sint32;
37 std::string_view str;
38 float f;
39 double d;
40 uint32_t uint;
41
42 pw::protobuf::Decoder decoder(pw::as_bytes(pw::span(encoded_proto)));
43 while (decoder.Next().ok()) {
44 switch (decoder.FieldNumber()) {
45 case 1:
46 decoder.ReadInt32(&test_int32).IgnoreError();
47 break;
48 case 2:
49 decoder.ReadSint32(&test_sint32).IgnoreError();
50 break;
51 case 3:
52 decoder.ReadString(&str).IgnoreError();
53 break;
54 case 4:
55 decoder.ReadFloat(&f).IgnoreError();
56 break;
57 case 5:
58 decoder.ReadDouble(&d).IgnoreError();
59 break;
60
61 // Extra fields over decoder_full.
62 case 21:
63 decoder.ReadInt32(&test_int32).IgnoreError();
64 break;
65 case 22:
66 decoder.ReadUint32(&uint).IgnoreError();
67 break;
68 case 23:
69 decoder.ReadSint32(&test_sint32).IgnoreError();
70 break;
71 }
72 }
73
74 *non_optimizable_pointer = test_int32 + test_sint32;
75
76 return 0;
77 }
78