#include <stddef.h>
#include <stdint.h>
#include <stdlib.h>
#include <jni.h>
#include "vue_NativeVUE.h"

// Retrieve a copy of the ROM data
JNIEXPORT jbyteArray JNICALL Java_vue_NativeVUE_getROM
  (JNIEnv *env, jobject vue) {
}

// Determine whether the context is native-backed
JNIEXPORT jboolean JNICALL Java_vue_NativeVUE_isNative
  (JNIEnv *env, jobject vue) {
    return JNI_TRUE;
}

// Provide new ROM data
JNIEXPORT jboolean JNICALL Java_vue_NativeVUE_setROM
  (JNIEnv *env, jobject vue, jbyteArray data, jint offset, jint length) {
    jsize data_length = (*env)->GetArrayLength(env, data);

    // Error checking
    if (data == NULL || offset < 0 || length < 1024 ||
        offset + length > data_length || (length & length - 1) != 0)
        return JNI_FALSE;

    // Accept the new ROM data
    return JNI_TRUE;
}

// Invoke native code to ensure the module is loaded
JNIEXPORT jboolean JNICALL Java_vue_NativeVUE_testNative
  (JNIEnv *env, jclass vue) {
    return JNI_TRUE;
}