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 "init_param.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 return SystemReadParam(key, value, len);
27 }
28
SetFscryptParameter(const char * policy,const char * value)29 int SetFscryptParameter(const char *policy, const char *value)
30 {
31 if (!policy || !value) {
32 FSCRYPT_LOGE("SetFscryptParameter: there is null param");
33 return -EINVAL;
34 }
35 return SystemWriteParam(policy, value);
36 }