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 NSTACKX_GETOPT_H
17 #define NSTACKX_GETOPT_H
18 #include "sys_common_header.h"
19 
20 #ifdef __cplusplus
21 extern "C" {
22 #endif
23 
24 #define NSTACK_GETOPT_END_OF_STR (-1)
25 #define NSTACK_GETOPT_UNKNOW_OPT '?'
26 
27 typedef struct {
28     int32_t argvIdx;
29     int32_t argvOffset;
30     const char *attachArg;
31 } NstackGetOptMsg;
32 
33 NSTACKX_EXPORT int32_t NstackInitGetOptMsg(NstackGetOptMsg *optMsg);
34 NSTACKX_EXPORT int32_t NstackGetOpt(NstackGetOptMsg *optMsg, int32_t argc, const char *const *argv, const char *opts);
35 NSTACKX_EXPORT const char *NstackGetOptArgs(const NstackGetOptMsg *optMsg);
36 
37 #ifdef __cplusplus
38 }
39 #endif
40 #endif /* NSTACKX_GETOPT_H */
41 
42