1/*
2* Copyright (C) 2021 Huawei Device Co., Ltd.
3* Licensed under the Apache License, Version 2.0 (the "License");
4* you may not use this file except in compliance with the License.
5* You may obtain a copy of the License at
6*
7*    http://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,
11* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12* See the License for the specific language governing permissions and
13* limitations under the License.
14*/
15
16#ifndef HC_PARCEL_H
17#define HC_PARCEL_H
18
19#include <stdint.h>
20#include <stdbool.h>
21#include "memory.h"
22
23#ifdef __cplusplus
24extern "C" {
25#endif
26
27#define PARCEL_DEFAULT_LENGTH 0
28#define PARCEL_DEFAULT_ALLOC_UNIT 0
29
30    typedef struct {
31        char *data;
32        unsigned int beginPos;
33        unsigned int endPos;
34        unsigned int length;
35        unsigned int allocUnit;
36    } HcParcel;
37
38    HcParcel CreateParcel(uint32_t size, uint32_t allocUnit);
39    void DeleteParcel(HcParcel *parcel);
40    bool ParcelWrite(HcParcel *parcel, const void *src, uint32_t dataSize);
41    uint32_t GetParcelDataSize(const HcParcel *parcel);
42    const char *GetParcelData(const HcParcel *parcel);
43
44    bool ParcelWriteInt8(HcParcel *parcel, char src);
45    bool ParcelPopBack(HcParcel *parcel, uint32_t size);
46
47#ifdef __cplusplus
48}
49#endif
50#endif
51