summaryrefslogtreecommitdiffstats
path: root/luni/src/main/native/java_io_Console.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'luni/src/main/native/java_io_Console.cpp')
-rw-r--r--luni/src/main/native/java_io_Console.cpp55
1 files changed, 55 insertions, 0 deletions
diff --git a/luni/src/main/native/java_io_Console.cpp b/luni/src/main/native/java_io_Console.cpp
new file mode 100644
index 0000000..ee48383
--- /dev/null
+++ b/luni/src/main/native/java_io_Console.cpp
@@ -0,0 +1,55 @@
+/*
+ * 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 "AndroidSystemNatives.h"
+#include "JNIHelp.h"
+
+#include <errno.h>
+#include <termios.h>
+#include <unistd.h>
+
+static jboolean java_io_Console_isatty(JNIEnv* env, 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[] = {
+ /* name, signature, funcPtr */
+ { "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));
+}