xref: /aosp_15_r20/system/linkerconfig/modules/environment.cc (revision e5eeaa8e05bc25a862c0c861bda7c8a6bfb42dad) 
1 /*
2  * Copyright (C) 2019 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include "linkerconfig/environment.h"
18 
19 #include <unistd.h>
20 
21 #include "linkerconfig/variables.h"
22 
23 namespace android {
24 namespace linkerconfig {
25 namespace modules {
IsTreblelizedDevice()26 bool IsTreblelizedDevice() {
27   return Variables::GetValue("ro.treble.enabled").value_or("false") == "true";
28 }
29 
IsVndkLiteDevice()30 bool IsVndkLiteDevice() {
31   return Variables::GetValue("ro.vndk.lite").value_or("") == "true";
32 }
33 
IsVndkInSystemNamespace()34 bool IsVndkInSystemNamespace() {
35   return Variables::GetValue("VNDK_USING_CORE_VARIANT_LIBRARIES").has_value();
36 }
37 
GetVendorVndkVersion()38 std::string GetVendorVndkVersion() {
39   return Variables::GetValue("ro.vndk.version").value_or("");
40 }
41 
GetProductVndkVersion()42 std::string GetProductVndkVersion() {
43   return Variables::GetValue("ro.product.vndk.version").value_or("");
44 }
45 
IsVendorVndkVersionDefined()46 bool IsVendorVndkVersionDefined() {
47   return Variables::GetValue("ro.vndk.version").has_value();
48 }
49 
IsProductVndkVersionDefined()50 bool IsProductVndkVersionDefined() {
51   return Variables::GetValue("ro.product.vndk.version").has_value();
52 }
53 
IsRecoveryMode()54 bool IsRecoveryMode() {
55   return access("/system/bin/recovery", F_OK) == 0;
56 }
57 }  // namespace modules
58 }  // namespace linkerconfig
59 }  // namespace android
60