1 /*
   2  * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 #include <string.h>
  25 
  26 #include "jni.h"
  27 #include "jni_util.h"
  28 
  29 JNIEXPORT jbyteArray JNICALL
  30 Java_StringPlatformChars_getBytes(JNIEnv *env, jclass unused, jstring value)
  31 {
  32     const char* str;
  33     int len;
  34     jbyteArray hab = NULL;
  35 
  36     str = JNU_GetStringPlatformChars(env, value, NULL);
  37     if (str == NULL) {
  38         return NULL;
  39     }
  40     len = (int)strlen(str);
  41     hab = (*env)->NewByteArray(env, len);
  42     if (hab != 0) {
  43         jclass strClazz = JNU_ClassString(env);
  44         if (strClazz == NULL) {
  45             return NULL;
  46         }
  47         (*env)->SetByteArrayRegion(env, hab, 0, len, (jbyte *)str);
  48 
  49         return hab;
  50     }
  51     return NULL;
  52 }
  53