| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #define LOG_TAG "Console" |
| |
| #include "JNIHelp.h" |
| #include "JniConstants.h" |
| |
| #include <errno.h> |
| #include <termios.h> |
| #include <unistd.h> |
| |
| static jint Console_setEchoImpl(JNIEnv* env, jclass, jboolean on, jint previousState) { |
| termios state; |
| if (TEMP_FAILURE_RETRY(tcgetattr(STDIN_FILENO, &state)) == -1) { |
| jniThrowIOException(env, errno); |
| return 0; |
| } |
| if (on) { |
| state.c_lflag = previousState; |
| } else { |
| previousState = state.c_lflag; |
| state.c_lflag &= ~(ECHO | ECHOE | ECHOK | ECHONL); |
| } |
| if (TEMP_FAILURE_RETRY(tcsetattr(STDIN_FILENO, TCSAFLUSH, &state)) == -1){ |
| jniThrowIOException(env, errno); |
| return 0; |
| } |
| return previousState; |
| } |
| |
| static JNINativeMethod gMethods[] = { |
| NATIVE_METHOD(Console, setEchoImpl, "(ZI)I"), |
| }; |
| void register_java_io_Console(JNIEnv* env) { |
| jniRegisterNativeMethods(env, "java/io/Console", gMethods, NELEM(gMethods)); |
| } |