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 #include "fscrypt_sysparam.h"
16 
17 #include "fscrypt_log.h"
18 #include "parameter.h"
19 
GetFscryptParameter(const char * key,const char * def,char * value,unsigned int * len)20 int GetFscryptParameter(const char *key, const char *def, char *value, unsigned int *len)
21 {
22     if (!key || !value || !len) {
23         FSCRYPT_LOGE("GetFscryptParameter: there is null param");
24         return -EINVAL;
25     }
26     if (GetParameter(key, "", value, *len) <= 0) {
27         FSCRYPT_LOGE("GetFscryptParameter: get parameter error");
28         return -EFAULT;
29     }
30     return 0;
31 }
32 
SetFscryptParameter(const char * policy,const char * value)33 int SetFscryptParameter(const char *policy, const char *value)
34 {
35     if (!policy || !value) {
36         FSCRYPT_LOGE("SetFscryptParameter: there is null param");
37         return -EINVAL;
38     }
39     return SetParameter(policy, value);
40 }