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/*
* Copyright (c) 2003, 2024, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
#include "jni_util.h"
/*
* Macros to use the right data type for file descriptors
*/
#define FD jint
/*
* Prototypes for functions in io_util_md.c called from io_util.c,
* FileDescriptor.c, FileInputStream.c, FileOutputStream.c,
* UnixFileSystem_md.c
*/
ssize_t handleWrite(FD fd, const void *buf, jint len);
ssize_t handleRead(FD fd, void *buf, jint len);
jint handleAvailable(FD fd, jlong *pbytes);
jint handleSetLength(FD fd, jlong length);
jlong handleGetLength(FD fd);
FD handleOpen(const char *path, int oflag, int mode);
jboolean handleIsRegularFile(JNIEnv* env, FD fd);
/*
* Functions to get fd from the java.io.FileDescriptor field
* of an object. These functions rely on having an appropriately
* defined object with a FileDescriptor object at the fid offset.
* If the FD object is null, return -1 to avoid crashing VM.
*/
FD getFD(JNIEnv *env, jobject cur, jfieldID fid);
/*
* Macros to set/get fd when inside java.io.FileDescriptor
*/
#define THIS_FD(obj) (*env)->GetIntField(env, obj, IO_fd_fdID)
/*
* Route the routines
*/
#define IO_Sync fsync
#define IO_Lseek lseek
#define IO_Read handleRead
#define IO_Write handleWrite
#define IO_Append handleWrite
#define IO_Available handleAvailable
#define IO_SetLength handleSetLength
#define IO_GetLength handleGetLength
#define IO_IsRegularFile handleIsRegularFile
/*
* On Solaris, the handle field is unused
*/
#define SET_HANDLE(fd) return (jlong)-1
void fileDescriptorClose(JNIEnv *env, jobject this);
#ifdef MACOSX
jstring newStringPlatform(JNIEnv *env, const char* str);
#endif