1 /*
2  * Copyright (c) 2024 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 OHOS_FFI_CJ_COMMON_FFI_H
17 #define OHOS_FFI_CJ_COMMON_FFI_H
18 
19 #include <cstdint>
20 #include <string>
21 
22 #define FFI_EXPORT __attribute__((visibility("default")))
23 
24 extern "C" {
25 const int32_t SUCCESS_CODE = 0;
26 const int32_t ERR_INVALID_INSTANCE_CODE = -1;
27 const int32_t ERR_CODE_PARAM_INVALID = -2;
28 const int64_t INVALID_DATA_ID = -100;
29 
30 int64_t FFI_EXPORT FfiGeneralSizeOfPointer();
31 
32 typedef int RetCode;
33 
34 struct RetDataCString {
35     int32_t code;
36     char* data;
37 };
38 
39 struct RetDataUI {
40     int32_t code;
41     size_t data;
42 };
43 
44 struct RetDataI64 {
45     int32_t code;
46     int64_t data;
47 };
48 
49 struct RetDataI32 {
50     int32_t code;
51     int32_t data;
52 };
53 
54 struct RetDataI64U32 {
55     uint32_t code;
56     int64_t data;
57 };
58 
59 struct RetDataUI32 {
60     uint32_t code;
61     uint32_t data;
62 };
63 
64 struct RetDataBool {
65     int32_t code;
66     bool data;
67 };
68 
69 struct CArrI64 {
70     int64_t* head;
71     int64_t size;
72 };
73 
74 struct CArrI32 {
75     int32_t* head;
76     int64_t size;
77 };
78 
79 struct RetDataCArrI32 {
80     int32_t code;
81     CArrI32 data;
82 };
83 
84 struct CArrUI32 {
85     unsigned int* head;
86     int64_t size;
87 };
88 
89 struct RetDataCArrI64 {
90     int32_t code;
91     CArrI64 data;
92 };
93 
94 struct CArrUI8 {
95     uint8_t* head;
96     int64_t size;
97 };
98 
99 struct RetDataCArrUI8 {
100     int32_t code;
101     CArrUI8 data;
102 };
103 
104 struct CArrString {
105     char** head;
106     int64_t size;
107 };
108 
109 struct RetDataCArrString {
110     int32_t code;
111     CArrString data;
112 };
113 
114 struct CArrUnit {
115     void* head;
116     int64_t size;
117 };
118 
119 struct RetDataCArrUnit {
120     int32_t code;
121     CArrUnit data;
122 };
123 }
124 #endif