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 // These tests call the pw_varint module API from C. The return values are
16 // checked in the main C++ tests.
17
18 #include <stddef.h>
19
20 #include "pw_varint/varint.h"
21
pw_varint_CallEncode32(uint32_t integer,void * output,size_t output_size_bytes)22 size_t pw_varint_CallEncode32(uint32_t integer,
23 void* output,
24 size_t output_size_bytes) {
25 return pw_varint_Encode32(integer, output, output_size_bytes);
26 }
27
pw_varint_CallEncode64(uint64_t integer,void * output,size_t output_size_bytes)28 size_t pw_varint_CallEncode64(uint64_t integer,
29 void* output,
30 size_t output_size_bytes) {
31 return pw_varint_Encode64(integer, output, output_size_bytes);
32 }
33
pw_varint_CallZigZagAndVarintEncode64(int64_t integer,void * output,size_t output_size_bytes)34 size_t pw_varint_CallZigZagAndVarintEncode64(int64_t integer,
35 void* output,
36 size_t output_size_bytes) {
37 return pw_varint_Encode64(
38 pw_varint_ZigZagEncode64(integer), output, output_size_bytes);
39 }
40
pw_varint_CallDecode32(void * input,size_t input_size,uint32_t * output)41 size_t pw_varint_CallDecode32(void* input,
42 size_t input_size,
43 uint32_t* output) {
44 return pw_varint_Decode32(input, input_size, output);
45 }
46
pw_varint_CallDecode64(void * input,size_t input_size,uint64_t * output)47 size_t pw_varint_CallDecode64(void* input,
48 size_t input_size,
49 uint64_t* output) {
50 return pw_varint_Decode64(input, input_size, output);
51 }
52
pw_varint_CallZigZagAndVarintDecode64(void * input,size_t input_size,int64_t * output)53 size_t pw_varint_CallZigZagAndVarintDecode64(void* input,
54 size_t input_size,
55 int64_t* output) {
56 uint64_t value = 0;
57 const size_t bytes_read = pw_varint_Decode64(input, input_size, &value);
58 *output = pw_varint_ZigZagDecode64(value);
59 return bytes_read;
60 }
61