1 /*
2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 #include "jni.h"
27 #include "jni_util.h"
28 #include "jvm.h"
29
30 #include "io_util.h"
31 #include "io_util_md.h"
32
33 #include <fcntl.h>
34 #include <nativehelper/JNIHelp.h>
35
36 #define NATIVE_METHOD(className, functionName, signature) \
37 { #functionName, signature, (void*)(className ## _ ## functionName) }
38
39 /*******************************************************************/
40 /* BEGIN JNI ********* BEGIN JNI *********** BEGIN JNI ************/
41 /*******************************************************************/
42
43 jfieldID fos_fd; /* id for jobject 'fd' in java.io.FileOutputStream */
44
45 /**************************************************************
46 * Output stream
47 */
FileOutputStream_initIDs(JNIEnv * env)48 static void FileOutputStream_initIDs(JNIEnv *env) {
49 jclass clazz = (*env)->FindClass(env, "java/io/FileOutputStream");
50 fos_fd = (*env)->GetFieldID(env, clazz, "fd", "Ljava/io/FileDescriptor;");
51 }
52
53
54 JNIEXPORT void JNICALL
FileOutputStream_open0(JNIEnv * env,jobject this,jstring path,jboolean append)55 FileOutputStream_open0(JNIEnv *env, jobject this,
56 jstring path, jboolean append) {
57 fileOpen(env, this, path, fos_fd,
58 O_WRONLY | O_CREAT | (append ? O_APPEND : O_TRUNC));
59 }
60
61 static JNINativeMethod gMethods[] = {
62 NATIVE_METHOD(FileOutputStream, open0, "(Ljava/lang/String;Z)V"),
63 };
64
register_java_io_FileOutputStream(JNIEnv * env)65 void register_java_io_FileOutputStream(JNIEnv* env) {
66 jniRegisterNativeMethods(env, "java/io/FileOutputStream", gMethods, NELEM(gMethods));
67 FileOutputStream_initIDs(env);
68 }
69