8187443: Forest Consolidation: Move files to unified layout

Reviewed-by: darcy, ihse

src/java.base/windows/native/libjava/io_util_md.h

@@ -0,0 +1,110 @@
+/*
+ * Copyright (c) 2003, 2015, 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.h"
+#include "jni_util.h"
+
+/*
+ * Macros to use the right data type for file descriptors
+ */
+#define FD jlong
+
+/*
+ * Prototypes for functions in io_util_md.c called from io_util.c,
+ * FileDescriptor.c, FileInputStream.c, FileOutputStream.c,
+ * ProcessImpl_md.c
+ */
+WCHAR* pathToNTPath(JNIEnv *env, jstring path, jboolean throwFNFE);
+WCHAR* fileToNTPath(JNIEnv *env, jobject file, jfieldID id);
+WCHAR* getPrefixed(const WCHAR* path, int pathlen);
+WCHAR* currentDir(int di);
+int currentDirLength(const WCHAR* path, int pathlen);
+int handleAvailable(FD fd, jlong *pbytes);
+int handleSync(FD fd);
+int handleSetLength(FD fd, jlong length);
+jlong handleGetLength(FD fd);
+JNIEXPORT jint handleRead(FD fd, void *buf, jint len);
+jint handleWrite(FD fd, const void *buf, jint len);
+jint handleAppend(FD fd, const void *buf, jint len);
+jint handleClose(JNIEnv *env, jobject this, jfieldID fid);
+jlong handleLseek(FD fd, jlong offset, jint whence);
+
+/*
+ * Returns an opaque handle to file named by "path".  If an error occurs,
+ * returns -1 and an exception is pending.
+ */
+FD winFileHandleOpen(JNIEnv *env, jstring path, int flags);
+
+/*
+ * Macros to set/get fd from the java.io.FileDescriptor.
+ * If GetObjectField returns null, SET_FD will stop and GET_FD
+ * will simply return -1 to avoid crashing VM.
+ */
+#define SET_FD(this, fd, fid) \
+    if ((*env)->GetObjectField(env, (this), (fid)) != NULL) \
+        (*env)->SetLongField(env, (*env)->GetObjectField(env, (this), (fid)), IO_handle_fdID, (fd))
+
+#define GET_FD(this, fid) \
+    ((*env)->GetObjectField(env, (this), (fid)) == NULL) ? \
+      -1 : (*env)->GetLongField(env, (*env)->GetObjectField(env, (this), (fid)), IO_handle_fdID)
+
+/*
+ * Macros to set/get fd when inside java.io.FileDescriptor
+ */
+#define THIS_FD(obj) (*env)->GetLongField(env, obj, IO_handle_fdID)
+
+/*
+ * Route the routines away from VM
+ */
+#define IO_Append handleAppend
+#define IO_Write handleWrite
+#define IO_Sync handleSync
+#define IO_Read handleRead
+#define IO_Lseek handleLseek
+#define IO_Available handleAvailable
+#define IO_SetLength handleSetLength
+#define IO_GetLength handleGetLength
+
+/*
+ * Setting the handle field in Java_java_io_FileDescriptor_set for
+ * standard handles stdIn, stdOut, stdErr
+ */
+#define SET_HANDLE(fd) \
+if (fd == 0) { \
+    return (jlong)GetStdHandle(STD_INPUT_HANDLE); \
+} else if (fd == 1) { \
+    return (jlong)GetStdHandle(STD_OUTPUT_HANDLE); \
+} else if (fd == 2) { \
+    return (jlong)GetStdHandle(STD_ERROR_HANDLE); \
+} else { \
+    return (jlong)-1; \
+} \
+
+/* INVALID_FILE_ATTRIBUTES is not defined in VC++6.0's header files but
+ * in later release. Keep here just in case someone is still using VC++6.0
+ */
+#ifndef INVALID_FILE_ATTRIBUTES
+#define INVALID_FILE_ATTRIBUTES ((DWORD)-1)
+#endif