1 /*
   2  * Copyright (c) 2008, 2013, 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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 #include <string.h>
  27 
  28 #include "jni.h"
  29 #include "jni_util.h"
  30 #include "dlfcn.h"
  31 
  32 void* getProcessHandle() {
  33     static void *procHandle = NULL;
  34     if (procHandle != NULL) {
  35         return procHandle;
  36     }
  37 #ifdef __APPLE__
  38     procHandle = (void*)dlopen(NULL, RTLD_FIRST);
  39 #else
  40     procHandle = (void*)dlopen(NULL, RTLD_LAZY);
  41 #endif
  42     return procHandle;
  43 }
  44 
  45 void buildJniFunctionName(const char *sym, const char *cname,
  46                           char *jniEntryName) {
  47     strcpy(jniEntryName, sym);
  48     if (cname != NULL) {
  49         strcat(jniEntryName, "_");
  50         strcat(jniEntryName, cname);
  51     }
  52 }
  53