1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
/*
* 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"),
};
int register_java_io_Console(JNIEnv* env) {
return jniRegisterNativeMethods(env, "java/io/Console", gMethods, NELEM(gMethods));
}
|
