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/*
* 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.
*/
#include "JNIHelp.h"
#include <errno.h>
#include <termios.h>
#include <unistd.h>
static jboolean java_io_Console_isatty(JNIEnv*, jclass, jint fd) {
return TEMP_FAILURE_RETRY(isatty(fd));
}
static jint java_io_Console_setEcho(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[] = {
{ "isatty", "(I)Z", (void*) java_io_Console_isatty },
{ "setEchoImpl", "(ZI)I", (void*) java_io_Console_setEcho },
};
int register_java_io_Console(JNIEnv* env) {
return jniRegisterNativeMethods(env, "java/io/Console", gMethods, NELEM(gMethods));
}
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