// SPDX-FileCopyrightText: 2006 The Android Open Source Project
// SPDX-License-Identifier: Apache-2.0

/*
 * Copyright (C) 2006 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/*
 * JNI specification, as defined by Sun:
 * http://java.sun.com/javase/6/docs/technotes/guides/jni/spec/jniTOC.html
 *
 * Everything here is expected to be VM-neutral.
 */

#ifndef JNI_H_
#define JNI_H_

#if __RZTINYC__
typedef char *va_list;
#else
#include <stdarg.h>
#endif

/*
 * Primitive types that match up with Java equivalents.
 */
#ifdef HAVE_INTTYPES_H
#include <inttypes.h> /* C99 */
typedef uint8_t jboolean; /* unsigned 8 bits */
typedef int8_t jbyte; /* signed 8 bits */
typedef uint16_t jchar; /* unsigned 16 bits */
typedef int16_t jshort; /* signed 16 bits */
typedef int32_t jint; /* signed 32 bits */
typedef int64_t jlong; /* signed 64 bits */
typedef float jfloat; /* 32-bit IEEE 754 */
typedef double jdouble; /* 64-bit IEEE 754 */
#else
typedef unsigned char jboolean; /* unsigned 8 bits */
typedef signed char jbyte; /* signed 8 bits */
typedef unsigned short jchar; /* unsigned 16 bits */
typedef short jshort; /* signed 16 bits */
typedef int jint; /* signed 32 bits */
typedef long long jlong; /* signed 64 bits */
typedef float jfloat; /* 32-bit IEEE 754 */
typedef double jdouble; /* 64-bit IEEE 754 */
#endif

/* "cardinal indices and sizes" */
typedef jint jsize;

#ifdef __cplusplus
/*
 * Reference types, in C++
 */
class _jobject {};
class _jclass : public _jobject {};
class _jstring : public _jobject {};
class _jarray : public _jobject {};
class _jobjectArray : public _jarray {};
class _jbooleanArray : public _jarray {};
class _jbyteArray : public _jarray {};
class _jcharArray : public _jarray {};
class _jshortArray : public _jarray {};
class _jintArray : public _jarray {};
class _jlongArray : public _jarray {};
class _jfloatArray : public _jarray {};
class _jdoubleArray : public _jarray {};
class _jthrowable : public _jobject {};

typedef _jobject *jobject;
typedef _jclass *jclass;
typedef _jstring *jstring;
typedef _jarray *jarray;
typedef _jobjectArray *jobjectArray;
typedef _jbooleanArray *jbooleanArray;
typedef _jbyteArray *jbyteArray;
typedef _jcharArray *jcharArray;
typedef _jshortArray *jshortArray;
typedef _jintArray *jintArray;
typedef _jlongArray *jlongArray;
typedef _jfloatArray *jfloatArray;
typedef _jdoubleArray *jdoubleArray;
typedef _jthrowable *jthrowable;
typedef _jobject *jweak;

#else /* not __cplusplus */

/*
 * Reference types, in C.
 */
typedef void *jobject;
typedef jobject jclass;
typedef jobject jstring;
typedef jobject jarray;
typedef jarray jobjectArray;
typedef jarray jbooleanArray;
typedef jarray jbyteArray;
typedef jarray jcharArray;
typedef jarray jshortArray;
typedef jarray jintArray;
typedef jarray jlongArray;
typedef jarray jfloatArray;
typedef jarray jdoubleArray;
typedef jobject jthrowable;
typedef jobject jweak;

#endif /* not __cplusplus */

struct _jfieldID; /* opaque structure */
typedef struct _jfieldID *jfieldID; /* field IDs */

struct _jmethodID; /* opaque structure */
typedef struct _jmethodID *jmethodID; /* method IDs */

struct JNIInvokeInterface;

typedef union jvalue {
	jboolean z;
	jbyte b;
	jchar c;
	jshort s;
	jint i;
	jlong j;
	jfloat f;
	jdouble d;
	jobject l;
} jvalue;

typedef enum jobjectRefType {
	JNIInvalidRefType = 0,
	JNILocalRefType = 1,
	JNIGlobalRefType = 2,
	JNIWeakGlobalRefType = 3
} jobjectRefType;

typedef struct {
	const char *name;
	const char *signature;
	void *fnPtr;
} JNINativeMethod;

struct _JNIEnv;
struct _JavaVM;
typedef const struct JNINativeInterface *C_JNIEnv;

#if defined(__cplusplus)
typedef _JNIEnv JNIEnv;
typedef _JavaVM JavaVM;
#else
typedef const struct JNINativeInterface *JNIEnv;
typedef const struct JNIInvokeInterface *JavaVM;
#endif

/*
 * Table of interface function pointers.
 */
struct JNINativeInterface {
	void *reserved0;
	void *reserved1;
	void *reserved2;
	void *reserved3;

	jint (*GetVersion)(JNIEnv *);

	jclass (*DefineClass)(JNIEnv *, const char *, jobject, const jbyte *,
		jsize);
	jclass (*FindClass)(JNIEnv *, const char *);

	jmethodID (*FromReflectedMethod)(JNIEnv *, jobject);
	jfieldID (*FromReflectedField)(JNIEnv *, jobject);
	/* spec doesn't show jboolean parameter */
	jobject (*ToReflectedMethod)(JNIEnv *, jclass, jmethodID, jboolean);

	jclass (*GetSuperclass)(JNIEnv *, jclass);
	jboolean (*IsAssignableFrom)(JNIEnv *, jclass, jclass);

	/* spec doesn't show jboolean parameter */
	jobject (*ToReflectedField)(JNIEnv *, jclass, jfieldID, jboolean);

	jint (*Throw)(JNIEnv *, jthrowable);
	jint (*ThrowNew)(JNIEnv *, jclass, const char *);
	jthrowable (*ExceptionOccurred)(JNIEnv *);
	void (*ExceptionDescribe)(JNIEnv *);
	void (*ExceptionClear)(JNIEnv *);
	void (*FatalError)(JNIEnv *, const char *);

	jint (*PushLocalFrame)(JNIEnv *, jint);
	jobject (*PopLocalFrame)(JNIEnv *, jobject);

	jobject (*NewGlobalRef)(JNIEnv *, jobject);
	void (*DeleteGlobalRef)(JNIEnv *, jobject);
	void (*DeleteLocalRef)(JNIEnv *, jobject);
	jboolean (*IsSameObject)(JNIEnv *, jobject, jobject);

	jobject (*NewLocalRef)(JNIEnv *, jobject);
	jint (*EnsureLocalCapacity)(JNIEnv *, jint);

	jobject (*AllocObject)(JNIEnv *, jclass);
	jobject (*NewObject)(JNIEnv *, jclass, jmethodID, ...);
	jobject (*NewObjectV)(JNIEnv *, jclass, jmethodID, va_list);
	jobject (*NewObjectA)(JNIEnv *, jclass, jmethodID, jvalue *);

	jclass (*GetObjectClass)(JNIEnv *, jobject);
	jboolean (*IsInstanceOf)(JNIEnv *, jobject, jclass);
	jmethodID (*GetMethodID)(JNIEnv *, jclass, const char *, const char *);

	jobject (*CallObjectMethod)(JNIEnv *, jobject, jmethodID, ...);
	jobject (*CallObjectMethodV)(JNIEnv *, jobject, jmethodID, va_list);
	jobject (*CallObjectMethodA)(JNIEnv *, jobject, jmethodID, jvalue *);
	jboolean (*CallBooleanMethod)(JNIEnv *, jobject, jmethodID, ...);
	jboolean (*CallBooleanMethodV)(JNIEnv *, jobject, jmethodID, va_list);
	jboolean (*CallBooleanMethodA)(JNIEnv *, jobject, jmethodID, jvalue *);
	jbyte (*CallByteMethod)(JNIEnv *, jobject, jmethodID, ...);
	jbyte (*CallByteMethodV)(JNIEnv *, jobject, jmethodID, va_list);
	jbyte (*CallByteMethodA)(JNIEnv *, jobject, jmethodID, jvalue *);
	jchar (*CallCharMethod)(JNIEnv *, jobject, jmethodID, ...);
	jchar (*CallCharMethodV)(JNIEnv *, jobject, jmethodID, va_list);
	jchar (*CallCharMethodA)(JNIEnv *, jobject, jmethodID, jvalue *);
	jshort (*CallShortMethod)(JNIEnv *, jobject, jmethodID, ...);
	jshort (*CallShortMethodV)(JNIEnv *, jobject, jmethodID, va_list);
	jshort (*CallShortMethodA)(JNIEnv *, jobject, jmethodID, jvalue *);
	jint (*CallIntMethod)(JNIEnv *, jobject, jmethodID, ...);
	jint (*CallIntMethodV)(JNIEnv *, jobject, jmethodID, va_list);
	jint (*CallIntMethodA)(JNIEnv *, jobject, jmethodID, jvalue *);
	jlong (*CallLongMethod)(JNIEnv *, jobject, jmethodID, ...);
	jlong (*CallLongMethodV)(JNIEnv *, jobject, jmethodID, va_list);
	jlong (*CallLongMethodA)(JNIEnv *, jobject, jmethodID, jvalue *);
	jfloat (*CallFloatMethod)(JNIEnv *, jobject, jmethodID, ...);
	jfloat (*CallFloatMethodV)(JNIEnv *, jobject, jmethodID, va_list);
	jfloat (*CallFloatMethodA)(JNIEnv *, jobject, jmethodID, jvalue *);
	jdouble (*CallDoubleMethod)(JNIEnv *, jobject, jmethodID, ...);
	jdouble (*CallDoubleMethodV)(JNIEnv *, jobject, jmethodID, va_list);
	jdouble (*CallDoubleMethodA)(JNIEnv *, jobject, jmethodID, jvalue *);
	void (*CallVoidMethod)(JNIEnv *, jobject, jmethodID, ...);
	void (*CallVoidMethodV)(JNIEnv *, jobject, jmethodID, va_list);
	void (*CallVoidMethodA)(JNIEnv *, jobject, jmethodID, jvalue *);

	jobject (*CallNonvirtualObjectMethod)(JNIEnv *, jobject, jclass,
		jmethodID, ...);
	jobject (*CallNonvirtualObjectMethodV)(JNIEnv *, jobject, jclass,
		jmethodID, va_list);
	jobject (*CallNonvirtualObjectMethodA)(JNIEnv *, jobject, jclass,
		jmethodID, jvalue *);
	jboolean (*CallNonvirtualBooleanMethod)(JNIEnv *, jobject, jclass,
		jmethodID, ...);
	jboolean (*CallNonvirtualBooleanMethodV)(JNIEnv *, jobject, jclass,
		jmethodID, va_list);
	jboolean (*CallNonvirtualBooleanMethodA)(JNIEnv *, jobject, jclass,
		jmethodID, jvalue *);
	jbyte (*CallNonvirtualByteMethod)(JNIEnv *, jobject, jclass,
		jmethodID, ...);
	jbyte (*CallNonvirtualByteMethodV)(JNIEnv *, jobject, jclass,
		jmethodID, va_list);
	jbyte (*CallNonvirtualByteMethodA)(JNIEnv *, jobject, jclass,
		jmethodID, jvalue *);
	jchar (*CallNonvirtualCharMethod)(JNIEnv *, jobject, jclass,
		jmethodID, ...);
	jchar (*CallNonvirtualCharMethodV)(JNIEnv *, jobject, jclass,
		jmethodID, va_list);
	jchar (*CallNonvirtualCharMethodA)(JNIEnv *, jobject, jclass,
		jmethodID, jvalue *);
	jshort (*CallNonvirtualShortMethod)(JNIEnv *, jobject, jclass,
		jmethodID, ...);
	jshort (*CallNonvirtualShortMethodV)(JNIEnv *, jobject, jclass,
		jmethodID, va_list);
	jshort (*CallNonvirtualShortMethodA)(JNIEnv *, jobject, jclass,
		jmethodID, jvalue *);
	jint (*CallNonvirtualIntMethod)(JNIEnv *, jobject, jclass,
		jmethodID, ...);
	jint (*CallNonvirtualIntMethodV)(JNIEnv *, jobject, jclass,
		jmethodID, va_list);
	jint (*CallNonvirtualIntMethodA)(JNIEnv *, jobject, jclass,
		jmethodID, jvalue *);
	jlong (*CallNonvirtualLongMethod)(JNIEnv *, jobject, jclass,
		jmethodID, ...);
	jlong (*CallNonvirtualLongMethodV)(JNIEnv *, jobject, jclass,
		jmethodID, va_list);
	jlong (*CallNonvirtualLongMethodA)(JNIEnv *, jobject, jclass,
		jmethodID, jvalue *);
	jfloat (*CallNonvirtualFloatMethod)(JNIEnv *, jobject, jclass,
		jmethodID, ...);
	jfloat (*CallNonvirtualFloatMethodV)(JNIEnv *, jobject, jclass,
		jmethodID, va_list);
	jfloat (*CallNonvirtualFloatMethodA)(JNIEnv *, jobject, jclass,
		jmethodID, jvalue *);
	jdouble (*CallNonvirtualDoubleMethod)(JNIEnv *, jobject, jclass,
		jmethodID, ...);
	jdouble (*CallNonvirtualDoubleMethodV)(JNIEnv *, jobject, jclass,
		jmethodID, va_list);
	jdouble (*CallNonvirtualDoubleMethodA)(JNIEnv *, jobject, jclass,
		jmethodID, jvalue *);
	void (*CallNonvirtualVoidMethod)(JNIEnv *, jobject, jclass,
		jmethodID, ...);
	void (*CallNonvirtualVoidMethodV)(JNIEnv *, jobject, jclass,
		jmethodID, va_list);
	void (*CallNonvirtualVoidMethodA)(JNIEnv *, jobject, jclass,
		jmethodID, jvalue *);

	jfieldID (*GetFieldID)(JNIEnv *, jclass, const char *, const char *);

	jobject (*GetObjectField)(JNIEnv *, jobject, jfieldID);
	jboolean (*GetBooleanField)(JNIEnv *, jobject, jfieldID);
	jbyte (*GetByteField)(JNIEnv *, jobject, jfieldID);
	jchar (*GetCharField)(JNIEnv *, jobject, jfieldID);
	jshort (*GetShortField)(JNIEnv *, jobject, jfieldID);
	jint (*GetIntField)(JNIEnv *, jobject, jfieldID);
	jlong (*GetLongField)(JNIEnv *, jobject, jfieldID);
	jfloat (*GetFloatField)(JNIEnv *, jobject, jfieldID);
	jdouble (*GetDoubleField)(JNIEnv *, jobject, jfieldID);

	void (*SetObjectField)(JNIEnv *, jobject, jfieldID, jobject);
	void (*SetBooleanField)(JNIEnv *, jobject, jfieldID, jboolean);
	void (*SetByteField)(JNIEnv *, jobject, jfieldID, jbyte);
	void (*SetCharField)(JNIEnv *, jobject, jfieldID, jchar);
	void (*SetShortField)(JNIEnv *, jobject, jfieldID, jshort);
	void (*SetIntField)(JNIEnv *, jobject, jfieldID, jint);
	void (*SetLongField)(JNIEnv *, jobject, jfieldID, jlong);
	void (*SetFloatField)(JNIEnv *, jobject, jfieldID, jfloat);
	void (*SetDoubleField)(JNIEnv *, jobject, jfieldID, jdouble);

	jmethodID (*GetStaticMethodID)(JNIEnv *, jclass, const char *, const char *);

	jobject (*CallStaticObjectMethod)(JNIEnv *, jclass, jmethodID, ...);
	jobject (*CallStaticObjectMethodV)(JNIEnv *, jclass, jmethodID, va_list);
	jobject (*CallStaticObjectMethodA)(JNIEnv *, jclass, jmethodID, jvalue *);
	jboolean (*CallStaticBooleanMethod)(JNIEnv *, jclass, jmethodID, ...);
	jboolean (*CallStaticBooleanMethodV)(JNIEnv *, jclass, jmethodID,
		va_list);
	jboolean (*CallStaticBooleanMethodA)(JNIEnv *, jclass, jmethodID,
		jvalue *);
	jbyte (*CallStaticByteMethod)(JNIEnv *, jclass, jmethodID, ...);
	jbyte (*CallStaticByteMethodV)(JNIEnv *, jclass, jmethodID, va_list);
	jbyte (*CallStaticByteMethodA)(JNIEnv *, jclass, jmethodID, jvalue *);
	jchar (*CallStaticCharMethod)(JNIEnv *, jclass, jmethodID, ...);
	jchar (*CallStaticCharMethodV)(JNIEnv *, jclass, jmethodID, va_list);
	jchar (*CallStaticCharMethodA)(JNIEnv *, jclass, jmethodID, jvalue *);
	jshort (*CallStaticShortMethod)(JNIEnv *, jclass, jmethodID, ...);
	jshort (*CallStaticShortMethodV)(JNIEnv *, jclass, jmethodID, va_list);
	jshort (*CallStaticShortMethodA)(JNIEnv *, jclass, jmethodID, jvalue *);
	jint (*CallStaticIntMethod)(JNIEnv *, jclass, jmethodID, ...);
	jint (*CallStaticIntMethodV)(JNIEnv *, jclass, jmethodID, va_list);
	jint (*CallStaticIntMethodA)(JNIEnv *, jclass, jmethodID, jvalue *);
	jlong (*CallStaticLongMethod)(JNIEnv *, jclass, jmethodID, ...);
	jlong (*CallStaticLongMethodV)(JNIEnv *, jclass, jmethodID, va_list);
	jlong (*CallStaticLongMethodA)(JNIEnv *, jclass, jmethodID, jvalue *);
	jfloat (*CallStaticFloatMethod)(JNIEnv *, jclass, jmethodID, ...);
	jfloat (*CallStaticFloatMethodV)(JNIEnv *, jclass, jmethodID, va_list);
	jfloat (*CallStaticFloatMethodA)(JNIEnv *, jclass, jmethodID, jvalue *);
	jdouble (*CallStaticDoubleMethod)(JNIEnv *, jclass, jmethodID, ...);
	jdouble (*CallStaticDoubleMethodV)(JNIEnv *, jclass, jmethodID, va_list);
	jdouble (*CallStaticDoubleMethodA)(JNIEnv *, jclass, jmethodID, jvalue *);
	void (*CallStaticVoidMethod)(JNIEnv *, jclass, jmethodID, ...);
	void (*CallStaticVoidMethodV)(JNIEnv *, jclass, jmethodID, va_list);
	void (*CallStaticVoidMethodA)(JNIEnv *, jclass, jmethodID, jvalue *);

	jfieldID (*GetStaticFieldID)(JNIEnv *, jclass, const char *,
		const char *);

	jobject (*GetStaticObjectField)(JNIEnv *, jclass, jfieldID);
	jboolean (*GetStaticBooleanField)(JNIEnv *, jclass, jfieldID);
	jbyte (*GetStaticByteField)(JNIEnv *, jclass, jfieldID);
	jchar (*GetStaticCharField)(JNIEnv *, jclass, jfieldID);
	jshort (*GetStaticShortField)(JNIEnv *, jclass, jfieldID);
	jint (*GetStaticIntField)(JNIEnv *, jclass, jfieldID);
	jlong (*GetStaticLongField)(JNIEnv *, jclass, jfieldID);
	jfloat (*GetStaticFloatField)(JNIEnv *, jclass, jfieldID);
	jdouble (*GetStaticDoubleField)(JNIEnv *, jclass, jfieldID);

	void (*SetStaticObjectField)(JNIEnv *, jclass, jfieldID, jobject);
	void (*SetStaticBooleanField)(JNIEnv *, jclass, jfieldID, jboolean);
	void (*SetStaticByteField)(JNIEnv *, jclass, jfieldID, jbyte);
	void (*SetStaticCharField)(JNIEnv *, jclass, jfieldID, jchar);
	void (*SetStaticShortField)(JNIEnv *, jclass, jfieldID, jshort);
	void (*SetStaticIntField)(JNIEnv *, jclass, jfieldID, jint);
	void (*SetStaticLongField)(JNIEnv *, jclass, jfieldID, jlong);
	void (*SetStaticFloatField)(JNIEnv *, jclass, jfieldID, jfloat);
	void (*SetStaticDoubleField)(JNIEnv *, jclass, jfieldID, jdouble);

	jstring (*NewString)(JNIEnv *, const jchar *, jsize);
	jsize (*GetStringLength)(JNIEnv *, jstring);
	const jchar *(*GetStringChars)(JNIEnv *, jstring, jboolean *);
	void (*ReleaseStringChars)(JNIEnv *, jstring, const jchar *);
	jstring (*NewStringUTF)(JNIEnv *, const char *);
	jsize (*GetStringUTFLength)(JNIEnv *, jstring);
	/* JNI spec says this returns const jbyte*, but that's inconsistent */
	const char *(*GetStringUTFChars)(JNIEnv *, jstring, jboolean *);
	void (*ReleaseStringUTFChars)(JNIEnv *, jstring, const char *);
	jsize (*GetArrayLength)(JNIEnv *, jarray);
	jobjectArray (*NewObjectArray)(JNIEnv *, jsize, jclass, jobject);
	jobject (*GetObjectArrayElement)(JNIEnv *, jobjectArray, jsize);
	void (*SetObjectArrayElement)(JNIEnv *, jobjectArray, jsize, jobject);

	jbooleanArray (*NewBooleanArray)(JNIEnv *, jsize);
	jbyteArray (*NewByteArray)(JNIEnv *, jsize);
	jcharArray (*NewCharArray)(JNIEnv *, jsize);
	jshortArray (*NewShortArray)(JNIEnv *, jsize);
	jintArray (*NewIntArray)(JNIEnv *, jsize);
	jlongArray (*NewLongArray)(JNIEnv *, jsize);
	jfloatArray (*NewFloatArray)(JNIEnv *, jsize);
	jdoubleArray (*NewDoubleArray)(JNIEnv *, jsize);

	jboolean *(*GetBooleanArrayElements)(JNIEnv *, jbooleanArray, jboolean *);
	jbyte *(*GetByteArrayElements)(JNIEnv *, jbyteArray, jboolean *);
	jchar *(*GetCharArrayElements)(JNIEnv *, jcharArray, jboolean *);
	jshort *(*GetShortArrayElements)(JNIEnv *, jshortArray, jboolean *);
	jint *(*GetIntArrayElements)(JNIEnv *, jintArray, jboolean *);
	jlong *(*GetLongArrayElements)(JNIEnv *, jlongArray, jboolean *);
	jfloat *(*GetFloatArrayElements)(JNIEnv *, jfloatArray, jboolean *);
	jdouble *(*GetDoubleArrayElements)(JNIEnv *, jdoubleArray, jboolean *);

	void (*ReleaseBooleanArrayElements)(JNIEnv *, jbooleanArray,
		jboolean *, jint);
	void (*ReleaseByteArrayElements)(JNIEnv *, jbyteArray,
		jbyte *, jint);
	void (*ReleaseCharArrayElements)(JNIEnv *, jcharArray,
		jchar *, jint);
	void (*ReleaseShortArrayElements)(JNIEnv *, jshortArray,
		jshort *, jint);
	void (*ReleaseIntArrayElements)(JNIEnv *, jintArray,
		jint *, jint);
	void (*ReleaseLongArrayElements)(JNIEnv *, jlongArray,
		jlong *, jint);
	void (*ReleaseFloatArrayElements)(JNIEnv *, jfloatArray,
		jfloat *, jint);
	void (*ReleaseDoubleArrayElements)(JNIEnv *, jdoubleArray,
		jdouble *, jint);

	void (*GetBooleanArrayRegion)(JNIEnv *, jbooleanArray,
		jsize, jsize, jboolean *);
	void (*GetByteArrayRegion)(JNIEnv *, jbyteArray,
		jsize, jsize, jbyte *);
	void (*GetCharArrayRegion)(JNIEnv *, jcharArray,
		jsize, jsize, jchar *);
	void (*GetShortArrayRegion)(JNIEnv *, jshortArray,
		jsize, jsize, jshort *);
	void (*GetIntArrayRegion)(JNIEnv *, jintArray,
		jsize, jsize, jint *);
	void (*GetLongArrayRegion)(JNIEnv *, jlongArray,
		jsize, jsize, jlong *);
	void (*GetFloatArrayRegion)(JNIEnv *, jfloatArray,
		jsize, jsize, jfloat *);
	void (*GetDoubleArrayRegion)(JNIEnv *, jdoubleArray,
		jsize, jsize, jdouble *);

	/* spec shows these without const; some jni.h do, some don't */
	void (*SetBooleanArrayRegion)(JNIEnv *, jbooleanArray,
		jsize, jsize, const jboolean *);
	void (*SetByteArrayRegion)(JNIEnv *, jbyteArray,
		jsize, jsize, const jbyte *);
	void (*SetCharArrayRegion)(JNIEnv *, jcharArray,
		jsize, jsize, const jchar *);
	void (*SetShortArrayRegion)(JNIEnv *, jshortArray,
		jsize, jsize, const jshort *);
	void (*SetIntArrayRegion)(JNIEnv *, jintArray,
		jsize, jsize, const jint *);
	void (*SetLongArrayRegion)(JNIEnv *, jlongArray,
		jsize, jsize, const jlong *);
	void (*SetFloatArrayRegion)(JNIEnv *, jfloatArray,
		jsize, jsize, const jfloat *);
	void (*SetDoubleArrayRegion)(JNIEnv *, jdoubleArray,
		jsize, jsize, const jdouble *);

	jint (*RegisterNatives)(JNIEnv *, jclass, const JNINativeMethod *,
		jint);
	jint (*UnregisterNatives)(JNIEnv *, jclass);
	jint (*MonitorEnter)(JNIEnv *, jobject);
	jint (*MonitorExit)(JNIEnv *, jobject);
	jint (*GetJavaVM)(JNIEnv *, JavaVM **);

	void (*GetStringRegion)(JNIEnv *, jstring, jsize, jsize, jchar *);
	void (*GetStringUTFRegion)(JNIEnv *, jstring, jsize, jsize, char *);

	void *(*GetPrimitiveArrayCritical)(JNIEnv *, jarray, jboolean *);
	void (*ReleasePrimitiveArrayCritical)(JNIEnv *, jarray, void *, jint);

	const jchar *(*GetStringCritical)(JNIEnv *, jstring, jboolean *);
	void (*ReleaseStringCritical)(JNIEnv *, jstring, const jchar *);

	jweak (*NewWeakGlobalRef)(JNIEnv *, jobject);
	void (*DeleteWeakGlobalRef)(JNIEnv *, jweak);

	jboolean (*ExceptionCheck)(JNIEnv *);

	jobject (*NewDirectByteBuffer)(JNIEnv *, void *, jlong);
	void *(*GetDirectBufferAddress)(JNIEnv *, jobject);
	jlong (*GetDirectBufferCapacity)(JNIEnv *, jobject);

	/* added in JNI 1.6 */
	jobjectRefType (*GetObjectRefType)(JNIEnv *, jobject);
};

/*
 * C++ object wrapper.
 *
 * This is usually overlaid on a C struct whose first element is a
 * JNINativeInterface*.  We rely somewhat on compiler behavior.
 */
struct _JNIEnv {
	/* do not rename this; it does not seem to be entirely opaque */
	const struct JNINativeInterface *functions;

#if defined(__cplusplus)

	jint GetVersion() { return functions->GetVersion(this); }

	jclass DefineClass(const char *name, jobject loader, const jbyte *buf,
		jsize bufLen) { return functions->DefineClass(this, name, loader, buf, bufLen); }

	jclass FindClass(const char *name) { return functions->FindClass(this, name); }

	jmethodID FromReflectedMethod(jobject method) { return functions->FromReflectedMethod(this, method); }

	jfieldID FromReflectedField(jobject field) { return functions->FromReflectedField(this, field); }

	jobject ToReflectedMethod(jclass cls, jmethodID methodID, jboolean isStatic) { return functions->ToReflectedMethod(this, cls, methodID, isStatic); }

	jclass GetSuperclass(jclass clazz) { return functions->GetSuperclass(this, clazz); }

	jboolean IsAssignableFrom(jclass clazz1, jclass clazz2) { return functions->IsAssignableFrom(this, clazz1, clazz2); }

	jobject ToReflectedField(jclass cls, jfieldID fieldID, jboolean isStatic) { return functions->ToReflectedField(this, cls, fieldID, isStatic); }

	jint Throw(jthrowable obj) { return functions->Throw(this, obj); }

	jint ThrowNew(jclass clazz, const char *message) { return functions->ThrowNew(this, clazz, message); }

	jthrowable ExceptionOccurred() { return functions->ExceptionOccurred(this); }

	void ExceptionDescribe() { functions->ExceptionDescribe(this); }

	void ExceptionClear() { functions->ExceptionClear(this); }

	void FatalError(const char *msg) { functions->FatalError(this, msg); }

	jint PushLocalFrame(jint capacity) { return functions->PushLocalFrame(this, capacity); }

	jobject PopLocalFrame(jobject result) { return functions->PopLocalFrame(this, result); }

	jobject NewGlobalRef(jobject obj) { return functions->NewGlobalRef(this, obj); }

	void DeleteGlobalRef(jobject globalRef) { functions->DeleteGlobalRef(this, globalRef); }

	void DeleteLocalRef(jobject localRef) { functions->DeleteLocalRef(this, localRef); }

	jboolean IsSameObject(jobject ref1, jobject ref2) { return functions->IsSameObject(this, ref1, ref2); }

	jobject NewLocalRef(jobject ref) { return functions->NewLocalRef(this, ref); }

	jint EnsureLocalCapacity(jint capacity) { return functions->EnsureLocalCapacity(this, capacity); }

	jobject AllocObject(jclass clazz) { return functions->AllocObject(this, clazz); }

	jobject NewObject(jclass clazz, jmethodID methodID, ...) {
		va_list args;
		va_start(args, methodID);
		jobject result = functions->NewObjectV(this, clazz, methodID, args);
		va_end(args);
		return result;
	}

	jobject NewObjectV(jclass clazz, jmethodID methodID, va_list args) { return functions->NewObjectV(this, clazz, methodID, args); }

	jobject NewObjectA(jclass clazz, jmethodID methodID, jvalue *args) { return functions->NewObjectA(this, clazz, methodID, args); }

	jclass GetObjectClass(jobject obj) { return functions->GetObjectClass(this, obj); }

	jboolean IsInstanceOf(jobject obj, jclass clazz) { return functions->IsInstanceOf(this, obj, clazz); }

	jmethodID GetMethodID(jclass clazz, const char *name, const char *sig) { return functions->GetMethodID(this, clazz, name, sig); }

#define CALL_TYPE_METHOD(_jtype, _jname) \
\
	_jtype Call##_jname##Method(jobject obj, jmethodID methodID, ...) { \
		_jtype result; \
		va_list args; \
		va_start(args, methodID); \
		result = functions->Call##_jname##MethodV(this, obj, methodID, \
			args); \
		va_end(args); \
		return result; \
	}
#define CALL_TYPE_METHODV(_jtype, _jname) \
\
	_jtype Call##_jname##MethodV(jobject obj, jmethodID methodID, \
		va_list args) { return functions->Call##_jname##MethodV(this, obj, methodID, args); }
#define CALL_TYPE_METHODA(_jtype, _jname) \
\
	_jtype Call##_jname##MethodA(jobject obj, jmethodID methodID, \
		jvalue *args) { return functions->Call##_jname##MethodA(this, obj, methodID, args); }

#define CALL_TYPE(_jtype, _jname) \
	CALL_TYPE_METHOD(_jtype, _jname) \
	CALL_TYPE_METHODV(_jtype, _jname) \
	CALL_TYPE_METHODA(_jtype, _jname)

	CALL_TYPE(jobject, Object)
	CALL_TYPE(jboolean, Boolean)
	CALL_TYPE(jbyte, Byte)
	CALL_TYPE(jchar, Char)
	CALL_TYPE(jshort, Short)
	CALL_TYPE(jint, Int)
	CALL_TYPE(jlong, Long)
	CALL_TYPE(jfloat, Float)
	CALL_TYPE(jdouble, Double)

	void CallVoidMethod(jobject obj, jmethodID methodID, ...) {
		va_list args;
		va_start(args, methodID);
		functions->CallVoidMethodV(this, obj, methodID, args);
		va_end(args);
	}
	void CallVoidMethodV(jobject obj, jmethodID methodID, va_list args) { functions->CallVoidMethodV(this, obj, methodID, args); }
	void CallVoidMethodA(jobject obj, jmethodID methodID, jvalue *args) { functions->CallVoidMethodA(this, obj, methodID, args); }

#define CALL_NONVIRT_TYPE_METHOD(_jtype, _jname) \
\
	_jtype CallNonvirtual##_jname##Method(jobject obj, jclass clazz, \
		jmethodID methodID, ...) { \
		_jtype result; \
		va_list args; \
		va_start(args, methodID); \
		result = functions->CallNonvirtual##_jname##MethodV(this, obj, \
			clazz, methodID, args); \
		va_end(args); \
		return result; \
	}
#define CALL_NONVIRT_TYPE_METHODV(_jtype, _jname) \
\
	_jtype CallNonvirtual##_jname##MethodV(jobject obj, jclass clazz, \
		jmethodID methodID, va_list args) { return functions->CallNonvirtual##_jname##MethodV(this, obj, clazz, \
		methodID, args); }
#define CALL_NONVIRT_TYPE_METHODA(_jtype, _jname) \
\
	_jtype CallNonvirtual##_jname##MethodA(jobject obj, jclass clazz, \
		jmethodID methodID, jvalue *args) { return functions->CallNonvirtual##_jname##MethodA(this, obj, clazz, \
		methodID, args); }

#define CALL_NONVIRT_TYPE(_jtype, _jname) \
	CALL_NONVIRT_TYPE_METHOD(_jtype, _jname) \
	CALL_NONVIRT_TYPE_METHODV(_jtype, _jname) \
	CALL_NONVIRT_TYPE_METHODA(_jtype, _jname)

	CALL_NONVIRT_TYPE(jobject, Object)
	CALL_NONVIRT_TYPE(jboolean, Boolean)
	CALL_NONVIRT_TYPE(jbyte, Byte)
	CALL_NONVIRT_TYPE(jchar, Char)
	CALL_NONVIRT_TYPE(jshort, Short)
	CALL_NONVIRT_TYPE(jint, Int)
	CALL_NONVIRT_TYPE(jlong, Long)
	CALL_NONVIRT_TYPE(jfloat, Float)
	CALL_NONVIRT_TYPE(jdouble, Double)

	void CallNonvirtualVoidMethod(jobject obj, jclass clazz,
		jmethodID methodID, ...) {
		va_list args;
		va_start(args, methodID);
		functions->CallNonvirtualVoidMethodV(this, obj, clazz, methodID, args);
		va_end(args);
	}
	void CallNonvirtualVoidMethodV(jobject obj, jclass clazz,
		jmethodID methodID, va_list args) { functions->CallNonvirtualVoidMethodV(this, obj, clazz, methodID, args); }
	void CallNonvirtualVoidMethodA(jobject obj, jclass clazz,
		jmethodID methodID, jvalue *args) { functions->CallNonvirtualVoidMethodA(this, obj, clazz, methodID, args); }

	jfieldID GetFieldID(jclass clazz, const char *name, const char *sig) { return functions->GetFieldID(this, clazz, name, sig); }

	jobject GetObjectField(jobject obj, jfieldID fieldID) { return functions->GetObjectField(this, obj, fieldID); }
	jboolean GetBooleanField(jobject obj, jfieldID fieldID) { return functions->GetBooleanField(this, obj, fieldID); }
	jbyte GetByteField(jobject obj, jfieldID fieldID) { return functions->GetByteField(this, obj, fieldID); }
	jchar GetCharField(jobject obj, jfieldID fieldID) { return functions->GetCharField(this, obj, fieldID); }
	jshort GetShortField(jobject obj, jfieldID fieldID) { return functions->GetShortField(this, obj, fieldID); }
	jint GetIntField(jobject obj, jfieldID fieldID) { return functions->GetIntField(this, obj, fieldID); }
	jlong GetLongField(jobject obj, jfieldID fieldID) { return functions->GetLongField(this, obj, fieldID); }

	jfloat GetFloatField(jobject obj, jfieldID fieldID) { return functions->GetFloatField(this, obj, fieldID); }

	jdouble GetDoubleField(jobject obj, jfieldID fieldID) { return functions->GetDoubleField(this, obj, fieldID); }

	void SetObjectField(jobject obj, jfieldID fieldID, jobject value) { functions->SetObjectField(this, obj, fieldID, value); }
	void SetBooleanField(jobject obj, jfieldID fieldID, jboolean value) { functions->SetBooleanField(this, obj, fieldID, value); }
	void SetByteField(jobject obj, jfieldID fieldID, jbyte value) { functions->SetByteField(this, obj, fieldID, value); }
	void SetCharField(jobject obj, jfieldID fieldID, jchar value) { functions->SetCharField(this, obj, fieldID, value); }
	void SetShortField(jobject obj, jfieldID fieldID, jshort value) { functions->SetShortField(this, obj, fieldID, value); }
	void SetIntField(jobject obj, jfieldID fieldID, jint value) { functions->SetIntField(this, obj, fieldID, value); }
	void SetLongField(jobject obj, jfieldID fieldID, jlong value) { functions->SetLongField(this, obj, fieldID, value); }

	void SetFloatField(jobject obj, jfieldID fieldID, jfloat value) { functions->SetFloatField(this, obj, fieldID, value); }

	void SetDoubleField(jobject obj, jfieldID fieldID, jdouble value) { functions->SetDoubleField(this, obj, fieldID, value); }

	jmethodID GetStaticMethodID(jclass clazz, const char *name, const char *sig) { return functions->GetStaticMethodID(this, clazz, name, sig); }

#define CALL_STATIC_TYPE_METHOD(_jtype, _jname) \
\
	_jtype CallStatic##_jname##Method(jclass clazz, jmethodID methodID, \
		...) { \
		_jtype result; \
		va_list args; \
		va_start(args, methodID); \
		result = functions->CallStatic##_jname##MethodV(this, clazz, \
			methodID, args); \
		va_end(args); \
		return result; \
	}
#define CALL_STATIC_TYPE_METHODV(_jtype, _jname) \
\
	_jtype CallStatic##_jname##MethodV(jclass clazz, jmethodID methodID, \
		va_list args) { return functions->CallStatic##_jname##MethodV(this, clazz, methodID, \
		args); }
#define CALL_STATIC_TYPE_METHODA(_jtype, _jname) \
\
	_jtype CallStatic##_jname##MethodA(jclass clazz, jmethodID methodID, \
		jvalue *args) { return functions->CallStatic##_jname##MethodA(this, clazz, methodID, \
		args); }

#define CALL_STATIC_TYPE(_jtype, _jname) \
	CALL_STATIC_TYPE_METHOD(_jtype, _jname) \
	CALL_STATIC_TYPE_METHODV(_jtype, _jname) \
	CALL_STATIC_TYPE_METHODA(_jtype, _jname)

	CALL_STATIC_TYPE(jobject, Object)
	CALL_STATIC_TYPE(jboolean, Boolean)
	CALL_STATIC_TYPE(jbyte, Byte)
	CALL_STATIC_TYPE(jchar, Char)
	CALL_STATIC_TYPE(jshort, Short)
	CALL_STATIC_TYPE(jint, Int)
	CALL_STATIC_TYPE(jlong, Long)
	CALL_STATIC_TYPE(jfloat, Float)
	CALL_STATIC_TYPE(jdouble, Double)

	void CallStaticVoidMethod(jclass clazz, jmethodID methodID, ...) {
		va_list args;
		va_start(args, methodID);
		functions->CallStaticVoidMethodV(this, clazz, methodID, args);
		va_end(args);
	}
	void CallStaticVoidMethodV(jclass clazz, jmethodID methodID, va_list args) { functions->CallStaticVoidMethodV(this, clazz, methodID, args); }
	void CallStaticVoidMethodA(jclass clazz, jmethodID methodID, jvalue *args) { functions->CallStaticVoidMethodA(this, clazz, methodID, args); }

	jfieldID GetStaticFieldID(jclass clazz, const char *name, const char *sig) { return functions->GetStaticFieldID(this, clazz, name, sig); }

	jobject GetStaticObjectField(jclass clazz, jfieldID fieldID) { return functions->GetStaticObjectField(this, clazz, fieldID); }
	jboolean GetStaticBooleanField(jclass clazz, jfieldID fieldID) { return functions->GetStaticBooleanField(this, clazz, fieldID); }
	jbyte GetStaticByteField(jclass clazz, jfieldID fieldID) { return functions->GetStaticByteField(this, clazz, fieldID); }
	jchar GetStaticCharField(jclass clazz, jfieldID fieldID) { return functions->GetStaticCharField(this, clazz, fieldID); }
	jshort GetStaticShortField(jclass clazz, jfieldID fieldID) { return functions->GetStaticShortField(this, clazz, fieldID); }
	jint GetStaticIntField(jclass clazz, jfieldID fieldID) { return functions->GetStaticIntField(this, clazz, fieldID); }
	jlong GetStaticLongField(jclass clazz, jfieldID fieldID) { return functions->GetStaticLongField(this, clazz, fieldID); }

	jfloat GetStaticFloatField(jclass clazz, jfieldID fieldID) { return functions->GetStaticFloatField(this, clazz, fieldID); }

	jdouble GetStaticDoubleField(jclass clazz, jfieldID fieldID) { return functions->GetStaticDoubleField(this, clazz, fieldID); }

	void SetStaticObjectField(jclass clazz, jfieldID fieldID, jobject value) { functions->SetStaticObjectField(this, clazz, fieldID, value); }
	void SetStaticBooleanField(jclass clazz, jfieldID fieldID, jboolean value) { functions->SetStaticBooleanField(this, clazz, fieldID, value); }
	void SetStaticByteField(jclass clazz, jfieldID fieldID, jbyte value) { functions->SetStaticByteField(this, clazz, fieldID, value); }
	void SetStaticCharField(jclass clazz, jfieldID fieldID, jchar value) { functions->SetStaticCharField(this, clazz, fieldID, value); }
	void SetStaticShortField(jclass clazz, jfieldID fieldID, jshort value) { functions->SetStaticShortField(this, clazz, fieldID, value); }
	void SetStaticIntField(jclass clazz, jfieldID fieldID, jint value) { functions->SetStaticIntField(this, clazz, fieldID, value); }
	void SetStaticLongField(jclass clazz, jfieldID fieldID, jlong value) { functions->SetStaticLongField(this, clazz, fieldID, value); }

	void SetStaticFloatField(jclass clazz, jfieldID fieldID, jfloat value) { functions->SetStaticFloatField(this, clazz, fieldID, value); }

	void SetStaticDoubleField(jclass clazz, jfieldID fieldID, jdouble value) { functions->SetStaticDoubleField(this, clazz, fieldID, value); }

	jstring NewString(const jchar *unicodeChars, jsize len) { return functions->NewString(this, unicodeChars, len); }

	jsize GetStringLength(jstring string) { return functions->GetStringLength(this, string); }

	const jchar *GetStringChars(jstring string, jboolean *isCopy) { return functions->GetStringChars(this, string, isCopy); }

	void ReleaseStringChars(jstring string, const jchar *chars) { functions->ReleaseStringChars(this, string, chars); }

	jstring NewStringUTF(const char *bytes) { return functions->NewStringUTF(this, bytes); }

	jsize GetStringUTFLength(jstring string) { return functions->GetStringUTFLength(this, string); }

	const char *GetStringUTFChars(jstring string, jboolean *isCopy) { return functions->GetStringUTFChars(this, string, isCopy); }

	void ReleaseStringUTFChars(jstring string, const char *utf) { functions->ReleaseStringUTFChars(this, string, utf); }

	jsize GetArrayLength(jarray array) { return functions->GetArrayLength(this, array); }

	jobjectArray NewObjectArray(jsize length, jclass elementClass,
		jobject initialElement) { return functions->NewObjectArray(this, length, elementClass,
		initialElement); }

	jobject GetObjectArrayElement(jobjectArray array, jsize index) { return functions->GetObjectArrayElement(this, array, index); }

	void SetObjectArrayElement(jobjectArray array, jsize index, jobject value) { functions->SetObjectArrayElement(this, array, index, value); }

	jbooleanArray NewBooleanArray(jsize length) { return functions->NewBooleanArray(this, length); }
	jbyteArray NewByteArray(jsize length) { return functions->NewByteArray(this, length); }
	jcharArray NewCharArray(jsize length) { return functions->NewCharArray(this, length); }
	jshortArray NewShortArray(jsize length) { return functions->NewShortArray(this, length); }
	jintArray NewIntArray(jsize length) { return functions->NewIntArray(this, length); }
	jlongArray NewLongArray(jsize length) { return functions->NewLongArray(this, length); }
	jfloatArray NewFloatArray(jsize length) { return functions->NewFloatArray(this, length); }
	jdoubleArray NewDoubleArray(jsize length) { return functions->NewDoubleArray(this, length); }

	jboolean *GetBooleanArrayElements(jbooleanArray array, jboolean *isCopy) { return functions->GetBooleanArrayElements(this, array, isCopy); }
	jbyte *GetByteArrayElements(jbyteArray array, jboolean *isCopy) { return functions->GetByteArrayElements(this, array, isCopy); }
	jchar *GetCharArrayElements(jcharArray array, jboolean *isCopy) { return functions->GetCharArrayElements(this, array, isCopy); }
	jshort *GetShortArrayElements(jshortArray array, jboolean *isCopy) { return functions->GetShortArrayElements(this, array, isCopy); }
	jint *GetIntArrayElements(jintArray array, jboolean *isCopy) { return functions->GetIntArrayElements(this, array, isCopy); }
	jlong *GetLongArrayElements(jlongArray array, jboolean *isCopy) { return functions->GetLongArrayElements(this, array, isCopy); }
	jfloat *GetFloatArrayElements(jfloatArray array, jboolean *isCopy) { return functions->GetFloatArrayElements(this, array, isCopy); }
	jdouble *GetDoubleArrayElements(jdoubleArray array, jboolean *isCopy) { return functions->GetDoubleArrayElements(this, array, isCopy); }

	void ReleaseBooleanArrayElements(jbooleanArray array, jboolean *elems,
		jint mode) { functions->ReleaseBooleanArrayElements(this, array, elems, mode); }
	void ReleaseByteArrayElements(jbyteArray array, jbyte *elems,
		jint mode) { functions->ReleaseByteArrayElements(this, array, elems, mode); }
	void ReleaseCharArrayElements(jcharArray array, jchar *elems,
		jint mode) { functions->ReleaseCharArrayElements(this, array, elems, mode); }
	void ReleaseShortArrayElements(jshortArray array, jshort *elems,
		jint mode) { functions->ReleaseShortArrayElements(this, array, elems, mode); }
	void ReleaseIntArrayElements(jintArray array, jint *elems,
		jint mode) { functions->ReleaseIntArrayElements(this, array, elems, mode); }
	void ReleaseLongArrayElements(jlongArray array, jlong *elems,
		jint mode) { functions->ReleaseLongArrayElements(this, array, elems, mode); }
	void ReleaseFloatArrayElements(jfloatArray array, jfloat *elems,
		jint mode) { functions->ReleaseFloatArrayElements(this, array, elems, mode); }
	void ReleaseDoubleArrayElements(jdoubleArray array, jdouble *elems,
		jint mode) { functions->ReleaseDoubleArrayElements(this, array, elems, mode); }

	void GetBooleanArrayRegion(jbooleanArray array, jsize start, jsize len,
		jboolean *buf) { functions->GetBooleanArrayRegion(this, array, start, len, buf); }
	void GetByteArrayRegion(jbyteArray array, jsize start, jsize len,
		jbyte *buf) { functions->GetByteArrayRegion(this, array, start, len, buf); }
	void GetCharArrayRegion(jcharArray array, jsize start, jsize len,
		jchar *buf) { functions->GetCharArrayRegion(this, array, start, len, buf); }
	void GetShortArrayRegion(jshortArray array, jsize start, jsize len,
		jshort *buf) { functions->GetShortArrayRegion(this, array, start, len, buf); }
	void GetIntArrayRegion(jintArray array, jsize start, jsize len,
		jint *buf) { functions->GetIntArrayRegion(this, array, start, len, buf); }
	void GetLongArrayRegion(jlongArray array, jsize start, jsize len,
		jlong *buf) { functions->GetLongArrayRegion(this, array, start, len, buf); }
	void GetFloatArrayRegion(jfloatArray array, jsize start, jsize len,
		jfloat *buf) { functions->GetFloatArrayRegion(this, array, start, len, buf); }
	void GetDoubleArrayRegion(jdoubleArray array, jsize start, jsize len,
		jdouble *buf) { functions->GetDoubleArrayRegion(this, array, start, len, buf); }

	void SetBooleanArrayRegion(jbooleanArray array, jsize start, jsize len,
		const jboolean *buf) { functions->SetBooleanArrayRegion(this, array, start, len, buf); }
	void SetByteArrayRegion(jbyteArray array, jsize start, jsize len,
		const jbyte *buf) { functions->SetByteArrayRegion(this, array, start, len, buf); }
	void SetCharArrayRegion(jcharArray array, jsize start, jsize len,
		const jchar *buf) { functions->SetCharArrayRegion(this, array, start, len, buf); }
	void SetShortArrayRegion(jshortArray array, jsize start, jsize len,
		const jshort *buf) { functions->SetShortArrayRegion(this, array, start, len, buf); }
	void SetIntArrayRegion(jintArray array, jsize start, jsize len,
		const jint *buf) { functions->SetIntArrayRegion(this, array, start, len, buf); }
	void SetLongArrayRegion(jlongArray array, jsize start, jsize len,
		const jlong *buf) { functions->SetLongArrayRegion(this, array, start, len, buf); }
	void SetFloatArrayRegion(jfloatArray array, jsize start, jsize len,
		const jfloat *buf) { functions->SetFloatArrayRegion(this, array, start, len, buf); }
	void SetDoubleArrayRegion(jdoubleArray array, jsize start, jsize len,
		const jdouble *buf) { functions->SetDoubleArrayRegion(this, array, start, len, buf); }

	jint RegisterNatives(jclass clazz, const JNINativeMethod *methods,
		jint nMethods) { return functions->RegisterNatives(this, clazz, methods, nMethods); }

	jint UnregisterNatives(jclass clazz) { return functions->UnregisterNatives(this, clazz); }

	jint MonitorEnter(jobject obj) { return functions->MonitorEnter(this, obj); }

	jint MonitorExit(jobject obj) { return functions->MonitorExit(this, obj); }

	jint GetJavaVM(JavaVM **vm) { return functions->GetJavaVM(this, vm); }

	void GetStringRegion(jstring str, jsize start, jsize len, jchar *buf) { functions->GetStringRegion(this, str, start, len, buf); }

	void GetStringUTFRegion(jstring str, jsize start, jsize len, char *buf) { return functions->GetStringUTFRegion(this, str, start, len, buf); }

	void *GetPrimitiveArrayCritical(jarray array, jboolean *isCopy) { return functions->GetPrimitiveArrayCritical(this, array, isCopy); }

	void ReleasePrimitiveArrayCritical(jarray array, void *carray, jint mode) { functions->ReleasePrimitiveArrayCritical(this, array, carray, mode); }

	const jchar *GetStringCritical(jstring string, jboolean *isCopy) { return functions->GetStringCritical(this, string, isCopy); }

	void ReleaseStringCritical(jstring string, const jchar *carray) { functions->ReleaseStringCritical(this, string, carray); }

	jweak NewWeakGlobalRef(jobject obj) { return functions->NewWeakGlobalRef(this, obj); }

	void DeleteWeakGlobalRef(jweak obj) { functions->DeleteWeakGlobalRef(this, obj); }

	jboolean ExceptionCheck() { return functions->ExceptionCheck(this); }

	jobject NewDirectByteBuffer(void *address, jlong capacity) { return functions->NewDirectByteBuffer(this, address, capacity); }

	void *GetDirectBufferAddress(jobject buf) { return functions->GetDirectBufferAddress(this, buf); }

	jlong GetDirectBufferCapacity(jobject buf) { return functions->GetDirectBufferCapacity(this, buf); }

	/* added in JNI 1.6 */
	jobjectRefType GetObjectRefType(jobject obj) { return functions->GetObjectRefType(this, obj); }
#endif /*__cplusplus*/
};

/*
 * JNI invocation interface.
 */
struct JNIInvokeInterface {
	void *reserved0;
	void *reserved1;
	void *reserved2;

	jint (*DestroyJavaVM)(JavaVM *);
	jint (*AttachCurrentThread)(JavaVM *, JNIEnv **, void *);
	jint (*DetachCurrentThread)(JavaVM *);
	jint (*GetEnv)(JavaVM *, void **, jint);
	jint (*AttachCurrentThreadAsDaemon)(JavaVM *, JNIEnv **, void *);
};

/*
 * C++ version.
 */
struct _JavaVM {
	const struct JNIInvokeInterface *functions;

#if defined(__cplusplus)
	jint DestroyJavaVM() { return functions->DestroyJavaVM(this); }
	jint AttachCurrentThread(JNIEnv **p_env, void *thr_args) { return functions->AttachCurrentThread(this, p_env, thr_args); }
	jint DetachCurrentThread() { return functions->DetachCurrentThread(this); }
	jint GetEnv(void **env, jint version) { return functions->GetEnv(this, env, version); }
	jint AttachCurrentThreadAsDaemon(JNIEnv **p_env, void *thr_args) { return functions->AttachCurrentThreadAsDaemon(this, p_env, thr_args); }
#endif /*__cplusplus*/
};

struct JavaVMAttachArgs {
	jint version; /* must be >= JNI_VERSION_1_2 */
	const char *name; /* NULL or name of thread as modified UTF-8 str */
	jobject group; /* global ref of a ThreadGroup object, or NULL */
};
typedef struct JavaVMAttachArgs JavaVMAttachArgs;

/*
 * JNI 1.2+ initialization.  (As of 1.6, the pre-1.2 structures are no
 * longer supported.)
 */
typedef struct JavaVMOption {
	const char *optionString;
	void *extraInfo;
} JavaVMOption;

typedef struct JavaVMInitArgs {
	jint version; /* use JNI_VERSION_1_2 or later */

	jint nOptions;
	JavaVMOption *options;
	jboolean ignoreUnrecognized;
} JavaVMInitArgs;

#ifdef __cplusplus
extern "C" {
#endif
/*
 * VM initialization functions.
 *
 * Note these are the only symbols exported for JNI by the VM.
 */
#if 0 /* In practice, these are not exported by the NDK so don't declare them */
jint JNI_GetDefaultJavaVMInitArgs(void*);
jint JNI_CreateJavaVM(JavaVM**, JNIEnv**, void*);
jint JNI_GetCreatedJavaVMs(JavaVM**, jsize, jsize*);
#endif

#define JNIIMPORT
#define JNIEXPORT __attribute__((visibility("default")))
#define JNICALL

/*
 * Prototypes for functions exported by loadable shared libs.  These are
 * called by JNI, not provided by JNI.
 */
JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM *vm, void *reserved);
JNIEXPORT void JNICALL JNI_OnUnload(JavaVM *vm, void *reserved);

#ifdef __cplusplus
}
#endif

/*
 * Manifest constants.
 */
#define JNI_FALSE 0
#define JNI_TRUE  1

#define JNI_VERSION_1_1 0x00010001
#define JNI_VERSION_1_2 0x00010002
#define JNI_VERSION_1_4 0x00010004
#define JNI_VERSION_1_6 0x00010006

#define JNI_OK        (0) /* no error */
#define JNI_ERR       (-1) /* generic error */
#define JNI_EDETACHED (-2) /* thread detached from the VM */
#define JNI_EVERSION  (-3) /* JNI version error */

#define JNI_COMMIT 1 /* copy content, do not free buffer */
#define JNI_ABORT  2 /* free buffer w/o copying back */

#endif /* JNI_H_ */
