580b93c3e8
This allows using libbuildversion in Cuttlefish, which builds many binaries for both vendor and host. On vendor executables, this gets the build id from the ro.vendor.build.version.incremental property. Bug: 206843934 Test: m -j Change-Id: I9ab11b42de3f1febf282f107c3e137592097d3c0
65 lines
1.8 KiB
C++
65 lines
1.8 KiB
C++
/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <build/version.h>
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#ifdef __ANDROID__
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#include <sys/system_properties.h>
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#endif
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namespace android {
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namespace build {
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#define PLACEHOLDER "SOONG BUILD NUMBER PLACEHOLDER"
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extern "C" {
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char soong_build_number[128] = PLACEHOLDER;
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}
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#ifdef __ANDROID__
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std::string GetBuildNumber() {
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if (strcmp(PLACEHOLDER, soong_build_number) != 0) {
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return soong_build_number;
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}
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#ifdef __ANDROID_VENDOR__
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const prop_info* pi = __system_property_find("ro.vendor.build.version.incremental");
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#else
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const prop_info* pi = __system_property_find("ro.build.version.incremental");
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#endif
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if (pi == nullptr) return "";
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std::string property_value;
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__system_property_read_callback(pi,
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[](void* cookie, const char*, const char* value, unsigned) {
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auto property_value = reinterpret_cast<std::string*>(cookie);
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*property_value = value;
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},
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&property_value);
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return property_value;
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}
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#else
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std::string GetBuildNumber() {
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return soong_build_number;
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}
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#endif
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} // namespace build
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} // namespace android
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