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1 /*
2  * Copyright (c) 2022 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 #include <stdio.h>
17 #include <stdlib.h>
18 #include <errno.h>
19 #include <net/if.h>
20 #include "test.h"
21 
22 /**
23  * @tc.name      : if_nametoindex_0100
24  * @tc.desc      : Get index by network interface name
25  * @tc.level     : Level 0
26  */
if_nametoindex_0100(void)27 void if_nametoindex_0100(void)
28 {
29     int saved_errno = errno;
30     char if_name[IFNAMSIZ] = {'\0'};
31     unsigned int if_index = (unsigned int)atoi("1");
32 
33     char *name = if_indextoname(if_index, if_name);
34     if (name == NULL && errno == ENXIO) {
35         t_error("%s if_indextoname get name is NULL", __func__);
36     }
37     unsigned int result = if_nametoindex(name);
38     if (result != 1) {
39         t_error("%s if_nametoindex by name :'%s' get result is %d are not want 1\n", __func__, name, result);
40     }
41 }
42 
main(int argc,char * argv[])43 int main(int argc, char *argv[])
44 {
45     if_nametoindex_0100();
46     return t_status;
47 }