1 /* 2 * Copyright (C) 2020 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 <stdbool.h> 18 19 #include "androidicuinit/android_icu_init.h" 20 #include "IcuRegistration.h" 21 android_icu_init()22void android_icu_init() { 23 bool runAndroidInit = false; 24 25 // We know that the environment variables are exported early in init.environ.rc on Android. 26 #ifdef __ANDROID__ 27 #ifdef ANDROID_ICU_NO_DAT 28 // If we're intentionally building ICU on Android without the .dat file, no 29 // need to run init. 30 runAndroidInit = false; 31 #else // !ANDROID_ICU_NO_DAT 32 runAndroidInit = true; 33 #endif 34 #else // ART host testing environment has these env variables set. 35 runAndroidInit = getenv("ANDROID_DATA") != NULL && 36 getenv("ANDROID_TZDATA_ROOT") != NULL && 37 getenv("ANDROID_I18N_ROOT") != NULL; 38 #endif 39 40 if (runAndroidInit) { 41 if (!android_icu_is_registered()) { 42 android_icu_register(); 43 } else { 44 AICU_LOGE("libicuuc has already been initialized but android_icu_init() is called."); 45 } 46 } 47 } 48 android_icu_cleanup()49void android_icu_cleanup() { 50 if (android_icu_is_registered()) { 51 android_icu_deregister(); 52 } else { 53 AICU_LOGW("libicuuc is not initialized and possibly never used, " 54 "but android_icu_cleanup() is called."); 55 } 56 } 57