0N/A/*
3261N/A * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/A#include "jni.h"
0N/A#include "jni_util.h"
0N/A
0N/A/*
0N/A * Prototypes for functions in io_util_md.c called from io_util,
0N/A * FileDescriptor.c, FileInputStream.c, FileOutputStream.c
0N/A */
0N/AWCHAR* pathToNTPath(JNIEnv *env, jstring path, jboolean throwFNFE);
0N/AWCHAR* fileToNTPath(JNIEnv *env, jobject file, jfieldID id);
0N/AWCHAR* getPrefixed(const WCHAR* path, int pathlen);
2919N/AWCHAR* currentDir(int di);
0N/Aint currentDirLength(const WCHAR* path, int pathlen);
0N/Avoid fileOpen(JNIEnv *env, jobject this, jstring path, jfieldID fid, int flags);
0N/Aint handleAvailable(jlong fd, jlong *pbytes);
0N/AJNIEXPORT int handleSync(jlong fd);
0N/Aint handleSetLength(jlong fd, jlong length);
0N/AJNIEXPORT size_t handleRead(jlong fd, void *buf, jint len);
0N/AJNIEXPORT size_t handleWrite(jlong fd, const void *buf, jint len);
3200N/AJNIEXPORT size_t handleAppend(jlong fd, const void *buf, jint len);
0N/Ajint handleClose(JNIEnv *env, jobject this, jfieldID fid);
0N/Ajlong handleLseek(jlong fd, jlong offset, jint whence);
0N/A
0N/A/*
0N/A * Returns an opaque handle to file named by "path". If an error occurs,
0N/A * returns -1 and an exception is pending.
0N/A */
0N/Ajlong winFileHandleOpen(JNIEnv *env, jstring path, int flags);
0N/A
0N/A/*
0N/A * Macros to use the right data type for file descriptors
0N/A */
0N/A#define FD jlong
0N/A
0N/A/*
0N/A * Macros to set/get fd from the java.io.FileDescriptor.
0N/A * If GetObjectField returns null, SET_FD will stop and GET_FD
0N/A * will simply return -1 to avoid crashing VM.
0N/A */
0N/A#define SET_FD(this, fd, fid) \
0N/A if ((*env)->GetObjectField(env, (this), (fid)) != NULL) \
0N/A (*env)->SetLongField(env, (*env)->GetObjectField(env, (this), (fid)), IO_handle_fdID, (fd))
0N/A
0N/A#define GET_FD(this, fid) \
0N/A ((*env)->GetObjectField(env, (this), (fid)) == NULL) ? \
0N/A -1 : (*env)->GetLongField(env, (*env)->GetObjectField(env, (this), (fid)), IO_handle_fdID)
0N/A
0N/A/*
0N/A * Macros to set/get fd when inside java.io.FileDescriptor
0N/A */
0N/A#define THIS_FD(obj) (*env)->GetLongField(env, obj, IO_handle_fdID)
0N/A
0N/A/*
3200N/A * Route the routines away from VM
0N/A */
3200N/A#define IO_Append handleAppend
0N/A#define IO_Write handleWrite
0N/A#define IO_Sync handleSync
0N/A#define IO_Read handleRead
0N/A#define IO_Lseek handleLseek
0N/A#define IO_Available handleAvailable
0N/A#define IO_SetLength handleSetLength
0N/A
0N/A/*
0N/A * Setting the handle field in Java_java_io_FileDescriptor_set for
0N/A * standard handles stdIn, stdOut, stdErr
0N/A */
0N/A#define SET_HANDLE(fd) \
0N/Aif (fd == 0) { \
0N/A return (jlong)GetStdHandle(STD_INPUT_HANDLE); \
0N/A} else if (fd == 1) { \
0N/A return (jlong)GetStdHandle(STD_OUTPUT_HANDLE); \
0N/A} else if (fd == 2) { \
0N/A return (jlong)GetStdHandle(STD_ERROR_HANDLE); \
0N/A} else { \
0N/A return (jlong)-1; \
0N/A} \
0N/A
0N/A/* INVALID_FILE_ATTRIBUTES is not defined in VC++6.0's header files but
0N/A * in later release. Keep here just in case someone is still using VC++6.0
0N/A */
0N/A#ifndef INVALID_FILE_ATTRIBUTES
0N/A#define INVALID_FILE_ATTRIBUTES ((DWORD)-1)
0N/A#endif