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_FILEMANAGEMENT_FILE_API_C_COMMON_ERROR_CODE_H
17 #define OHOS_FILEMANAGEMENT_FILE_API_C_COMMON_ERROR_CODE_H
18
19 #include <errno.h>
20 #include <stdio.h>
21
22 #ifdef __cplusplus
23 extern "C" {
24 #endif /* End of #ifdef __cplusplus */
25
26 enum ErrorCode {
27 /** @error Permission verification failed. */
28 PERMISSION_ERROR = 201,
29 /** @error Invalid input parameter, pointer is null. */
30 PARAMETER_ERROR = 401,
31 /** @error Device not supported. */
32 DEVICE_NOT_SUPPORTED = 801,
33 /** @error Operation not permitted. */
34 E_PERM = 13900001,
35 /** @error No such file or directory. */
36 E_NOENT = 13900002,
37 /** @error Failed to apply for memory. */
38 E_NOMEM = 13900011,
39 /** @error Unknown error. */
40 UNKNOWN_ERROR = 13900042
41 };
42
43 typedef struct {
44 int errNo;
45 int errorCode;
46 } Map;
47
48 static Map g_map[] = {
49 { UNKNOWN_ERROR, UNKNOWN_ERROR },
50 { -PERMISSION_ERROR, PERMISSION_ERROR },
51 { -PARAMETER_ERROR, PARAMETER_ERROR },
52 { -DEVICE_NOT_SUPPORTED, DEVICE_NOT_SUPPORTED },
53 { -EPERM, E_PERM },
54 { -ENOENT, E_NOENT },
55 { -ENOMEM, E_NOMEM },
56 };
57
GetErrorCode(int errNum)58 static int GetErrorCode(int errNum)
59 {
60 for (size_t i = 1; i < sizeof(g_map) / sizeof(g_map[0]); i++) {
61 if (g_map[i].errNo == errNum) {
62 return g_map[i].errorCode;
63 }
64 }
65 return g_map[0].errorCode;
66 }
67 #ifdef __cplusplus
68 }
69 #endif /* End of #ifdef __cplusplus */
70 #endif /* OHOS_FILEMANAGEMENT_FILE_API_C_COMMON_ERROR_CODE_H */
71