1 files changed, 130 insertions, 0 deletions
diff --git a/libjava/classpath/native/jni/java-nio/java_nio_VMDirectByteBuffer.c b/libjava/classpath/native/jni/java-nio/java_nio_VMDirectByteBuffer.c
new file mode 100644
index 000000000..bfee7e9dc
--- /dev/null
+++ b/libjava/classpath/native/jni/java-nio/java_nio_VMDirectByteBuffer.c
@@ -0,0 +1,130 @@
+/* java_nio_VMDirectByteBuffer.c - Native methods for VMDirectByteBuffer
+   Copyright (C) 2004, 2005  Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+ 
+GNU Classpath 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 for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+#include <config.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <jni.h>
+#include <jcl.h>
+
+#include "java_nio_VMDirectByteBuffer.h"
+
+JNIEXPORT jobject JNICALL
+Java_java_nio_VMDirectByteBuffer_allocate
+  (JNIEnv * env, jclass clazz __attribute__ ((__unused__)), jint capacity)
+{
+  void *buffer;
+
+  buffer = malloc (capacity);
+
+  if (buffer == NULL)
+    {
+      JCL_ThrowException (env, "java/lang/OutOfMemoryError",
+			  "unable to allocate memory for direct byte buffer");
+      return 0;
+    }
+
+  memset (buffer, 0, capacity);
+
+  return JCL_NewRawDataObject (env, buffer);
+}
+
+JNIEXPORT void JNICALL
+Java_java_nio_VMDirectByteBuffer_free
+  (JNIEnv * env, jclass clazz __attribute__ ((__unused__)), jobject address)
+{
+  free (JCL_GetRawData (env, address));
+}
+
+JNIEXPORT jbyte JNICALL
+Java_java_nio_VMDirectByteBuffer_get__Lgnu_classpath_Pointer_2I
+  (JNIEnv * env, jclass clazz __attribute__ ((__unused__)),
+   jobject address, jint index)
+{
+  return ((jbyte *) JCL_GetRawData (env, address))[index];
+}
+
+JNIEXPORT void JNICALL
+Java_java_nio_VMDirectByteBuffer_put__Lgnu_classpath_Pointer_2IB
+  (JNIEnv * env, jclass clazz __attribute__ ((__unused__)),
+   jobject address, jint index, jbyte value)
+{
+  jbyte *pointer = (jbyte *) JCL_GetRawData (env, address) + index;
+  *pointer = value;
+}
+
+JNIEXPORT void JNICALL
+Java_java_nio_VMDirectByteBuffer_get__Lgnu_classpath_Pointer_2I_3BII
+  (JNIEnv * env, jclass clazz __attribute__ ((__unused__)),
+   jobject address, jint index, jbyteArray dst, jint dst_offset, jint dst_len)
+{
+  jbyte *src = (jbyte *) JCL_GetRawData (env, address) + index;
+  jbyte *_dst = (*env)->GetByteArrayElements (env, dst, NULL);
+  memcpy (_dst + dst_offset, src, dst_len);
+  (*env)->ReleaseByteArrayElements (env, dst, _dst, 0);
+}
+
+JNIEXPORT void JNICALL
+Java_java_nio_VMDirectByteBuffer_put__Lgnu_classpath_Pointer_2I_3BII
+  (JNIEnv *env, jclass clazz __attribute__ ((__unused__)),
+   jobject address, jint index, jbyteArray src, jint src_offset, jint src_len)
+{
+  jbyte *_src = (*env)->GetByteArrayElements (env, src, NULL);
+  jbyte *dst = (jbyte *)JCL_GetRawData (env, address);
+  memcpy (dst + index, _src + src_offset, src_len);
+  (*env)->ReleaseByteArrayElements (env, src, _src, 0);
+}
+
+JNIEXPORT void JNICALL
+Java_java_nio_VMDirectByteBuffer_shiftDown
+  (JNIEnv * env, jclass clazz __attribute__ ((__unused__)),
+   jobject address, jint dst_offset, jint src_offset, jint count)
+{
+  jbyte *dst = (jbyte *) JCL_GetRawData (env, address) + dst_offset;
+  jbyte *src = (jbyte *) JCL_GetRawData (env, address) + src_offset;
+  memmove (dst, src, count);
+}
+
+JNIEXPORT jobject JNICALL
+Java_java_nio_VMDirectByteBuffer_adjustAddress
+  (JNIEnv * env, jclass clazz __attribute__ ((__unused__)),
+   jobject address, jint offset)
+{
+  return JCL_NewRawDataObject (env, (jbyte *) JCL_GetRawData (env, address) + offset);
+}