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95 lines
2.9 KiB
C
95 lines
2.9 KiB
C
/* java_io_VMConsole.c - Native methods for java.io.Console class
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Copyright (C) 2012 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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/* do not move; needed here because of some macro definitions */
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#include <config.h>
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#include <termios.h>
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#include <unistd.h>
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#include <jni.h>
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#include "java_io_VMConsole.h"
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/*************************************************************************/
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#ifndef IUCLC
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#define IUCLC 0
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#endif
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#define TERMIOS_ECHO_IFLAGS (IUCLC|IXON|IXOFF|IXANY)
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#define TERMIOS_ECHO_LFLAGS (ECHO|ECHOE|ECHOK|ECHONL|TOSTOP)
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/*
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* Class: java_io_VMConsole
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* Method: echo
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* Signature: (Z)Z
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*/
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JNIEXPORT jstring JNICALL
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Java_java_io_VMConsole_readPassword (JNIEnv * env,
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jclass clazz
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__attribute__ ((__unused__)),
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jobject con)
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{
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struct termios old, new;
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jmethodID readLineID;
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jstring result;
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readLineID =
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(*env)->GetMethodID (env, (*env)->GetObjectClass (env, con), "readLine",
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"()Ljava/lang/String;");
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if (!readLineID)
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{
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return NULL;
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}
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tcgetattr (STDIN_FILENO, &old);
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tcgetattr (STDIN_FILENO, &new);
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new.c_iflag &= ~TERMIOS_ECHO_IFLAGS;
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new.c_lflag &= ~TERMIOS_ECHO_LFLAGS;
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tcsetattr (STDIN_FILENO, TCSANOW, &new);
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result = (*env)->CallObjectMethod (env, con, readLineID);
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tcsetattr (STDIN_FILENO, TCSANOW, &old);
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return result;
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}
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