40 lines
1.6 KiB
C
40 lines
1.6 KiB
C
/*
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* Copyright (c) 2021, 2022, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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#include <jni.h>
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JNIEXPORT jclass JNICALL
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Java_NullClassBytesTest_nativeDefineClass(JNIEnv *env, jclass klass, jstring className, jobject ldr,
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jbyte* class_bytes, jint length) {
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if (class_bytes == NULL) {
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jclass cls = (*env)->FindClass(env, "java/lang/NullPointerException");
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if (cls != 0) {
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(*env)->ThrowNew(env, cls, "class_bytes are null");
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}
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return NULL;
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}
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const char* c_name = (*env)->GetStringUTFChars(env, className, NULL);
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return (*env)->DefineClass(env, c_name, ldr, class_bytes, length);
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}
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