FileOutputStream_md.c revision 3d43823e17818b3c5f45831f830884917b181454
151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski/* 251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. 351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * This code is free software; you can redistribute it and/or modify it 651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * under the terms of the GNU General Public License version 2 only, as 751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * published by the Free Software Foundation. Oracle designates this 851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * particular file as subject to the "Classpath" exception as provided 951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * by Oracle in the LICENSE file that accompanied this code. 1051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 1151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * This code is distributed in the hope that it will be useful, but WITHOUT 1251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * version 2 for more details (a copy is included in the LICENSE file that 1551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * accompanied this code). 1651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 1751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * You should have received a copy of the GNU General Public License version 1851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 2 along with this work; if not, write to the Free Software Foundation, 1951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 2151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * or visit www.oracle.com if you need additional information or have any 2351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * questions. 2451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 2551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 2651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#include "jni.h" 2751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#include "jni_util.h" 2851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#include "jvm.h" 2951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 3051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#include "io_util.h" 3151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#include "io_util_md.h" 3251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#include "java_io_FileOutputStream.h" 3351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 3451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#include <fcntl.h> 353d43823e17818b3c5f45831f830884917b181454Piotr Jastrzebski#include "JNIHelp.h" 363d43823e17818b3c5f45831f830884917b181454Piotr Jastrzebski 373d43823e17818b3c5f45831f830884917b181454Piotr Jastrzebski#define NATIVE_METHOD(className, functionName, signature) \ 383d43823e17818b3c5f45831f830884917b181454Piotr Jastrzebski{ #functionName, signature, (void*)(className ## _ ## functionName) } 3951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 4051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski/*******************************************************************/ 4151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski/* BEGIN JNI ********* BEGIN JNI *********** BEGIN JNI ************/ 4251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski/*******************************************************************/ 4351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 4451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr JastrzebskijfieldID fos_fd; /* id for jobject 'fd' in java.io.FileOutputStream */ 4551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 4651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski/************************************************************** 4751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * static methods to store field ID's in initializers 4851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 4951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 5051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr JastrzebskiJNIEXPORT void JNICALL 513d43823e17818b3c5f45831f830884917b181454Piotr JastrzebskiFileOutputStream_initIDs(JNIEnv *env, jclass fdClass) { 5251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski fos_fd = (*env)->GetFieldID(env, fdClass, "fd", "Ljava/io/FileDescriptor;"); 5351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski} 5451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 5551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski/************************************************************** 5651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Output stream 5751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 5851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 5951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr JastrzebskiJNIEXPORT void JNICALL 603d43823e17818b3c5f45831f830884917b181454Piotr JastrzebskiFileOutputStream_open(JNIEnv *env, jobject this, 6151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski jstring path, jboolean append) { 6251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski fileOpen(env, this, path, fos_fd, 6351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski O_WRONLY | O_CREAT | (append ? O_APPEND : O_TRUNC)); 6451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski} 6551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 6651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr JastrzebskiJNIEXPORT void JNICALL 673d43823e17818b3c5f45831f830884917b181454Piotr JastrzebskiFileOutputStream_write(JNIEnv *env, jobject this, jint byte, jboolean append) { 6851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski writeSingle(env, this, byte, append, fos_fd); 6951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski} 7051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 7151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr JastrzebskiJNIEXPORT void JNICALL 723d43823e17818b3c5f45831f830884917b181454Piotr JastrzebskiFileOutputStream_writeBytes(JNIEnv *env, 7351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski jobject this, jbyteArray bytes, jint off, jint len, jboolean append) { 7451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski writeBytes(env, this, bytes, off, len, append, fos_fd); 7551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski} 7651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 7751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr JastrzebskiJNIEXPORT void JNICALL 783d43823e17818b3c5f45831f830884917b181454Piotr JastrzebskiFileOutputStream_close0(JNIEnv *env, jobject this) { 7951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski fileClose(env, this, fos_fd); 8051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski} 813d43823e17818b3c5f45831f830884917b181454Piotr Jastrzebski 823d43823e17818b3c5f45831f830884917b181454Piotr Jastrzebskistatic JNINativeMethod gMethods[] = { 833d43823e17818b3c5f45831f830884917b181454Piotr Jastrzebski NATIVE_METHOD(FileOutputStream, initIDs, "()V"), 843d43823e17818b3c5f45831f830884917b181454Piotr Jastrzebski NATIVE_METHOD(FileOutputStream, open, "(Ljava/lang/String;Z)V"), 853d43823e17818b3c5f45831f830884917b181454Piotr Jastrzebski NATIVE_METHOD(FileOutputStream, write, "(IZ)V"), 863d43823e17818b3c5f45831f830884917b181454Piotr Jastrzebski NATIVE_METHOD(FileOutputStream, writeBytes, "([BIIZ)V"), 873d43823e17818b3c5f45831f830884917b181454Piotr Jastrzebski NATIVE_METHOD(FileOutputStream, close0, "()V"), 883d43823e17818b3c5f45831f830884917b181454Piotr Jastrzebski}; 893d43823e17818b3c5f45831f830884917b181454Piotr Jastrzebski 903d43823e17818b3c5f45831f830884917b181454Piotr Jastrzebskivoid register_java_io_FileOutputStream(JNIEnv* env) { 913d43823e17818b3c5f45831f830884917b181454Piotr Jastrzebski jniRegisterNativeMethods(env, "java/io/FileOutputStream", gMethods, NELEM(gMethods)); 923d43823e17818b3c5f45831f830884917b181454Piotr Jastrzebski} 93