/* * Copyright (c) 2021, 2022, 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. * * 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 JNIEXPORT jclass JNICALL Java_NullClassBytesTest_nativeDefineClass(JNIEnv *env, jclass klass, jstring className, jobject ldr, jbyte* class_bytes, jint length) { if (class_bytes == NULL) { jclass cls = (*env)->FindClass(env, "java/lang/NullPointerException"); if (cls != 0) { (*env)->ThrowNew(env, cls, "class_bytes are null"); } return NULL; } const char* c_name = (*env)->GetStringUTFChars(env, className, NULL); return (*env)->DefineClass(env, c_name, ldr, class_bytes, length); }