jurt/source/pipe/wrapper/wrapper.c

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include "sal/config.h"
  21
  22 #include <stddef.h>
  23
  24 #include <windows.h>
  25
  26 #include "jni.h"
  27 #include "sal/types.h"
  28
  29 static HMODULE module;
  30
  31 static FARPROC getFunction(char const * name) {
  32     return GetProcAddress(module, name);
  33 }
  34
  35 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) {
  36     (void) lpvReserved;
  37     if (fdwReason == DLL_PROCESS_ATTACH) {
  38         wchar_t path[32767];
  39         DWORD size;
  40         size = GetModuleFileNameW(hinstDLL, path, 32767);
  41         if (size == 0) {
  42             return FALSE;
  43         }
  44         path[size - 5] = L'x'; /* ...\jpipe.dll -> ...\jpipx.dll */
  45         module = LoadLibraryExW(path, NULL, LOAD_WITH_ALTERED_SEARCH_PATH);
  46         if (module == NULL) {
  47             return FALSE;
  48         }
  49     }
  50     return TRUE;
  51 }
  52
  53 SAL_DLLPUBLIC_EXPORT void JNICALL
  54 Java_com_sun_star_lib_connections_pipe_PipeConnection_createJNI(
  55     JNIEnv * env, jobject obj_this, jstring name)
  56 {
  57     (*(void (*)(JNIEnv *, jobject, jstring))
  58      getFunction("PipeConnection_create"))(env, obj_this, name);
  59 }
  60
  61 SAL_DLLPUBLIC_EXPORT void JNICALL
  62 Java_com_sun_star_lib_connections_pipe_PipeConnection_closeJNI(
  63     JNIEnv * env, jobject obj_this)
  64 {
  65     (*(void (*)(JNIEnv *, jobject))
  66      getFunction("PipeConnection_close"))(env, obj_this);
  67 }
  68
  69 SAL_DLLPUBLIC_EXPORT jint JNICALL
  70 Java_com_sun_star_lib_connections_pipe_PipeConnection_readJNI(
  71     JNIEnv * env, jobject obj_this, jobjectArray buffer, jint len)
  72 {
  73     return (*(jint (*)(JNIEnv *, jobject, jobjectArray, jint))
  74             getFunction("PipeConnection_read"))(env, obj_this, buffer, len);
  75 }
  76
  77 SAL_DLLPUBLIC_EXPORT void JNICALL
  78 Java_com_sun_star_lib_connections_pipe_PipeConnection_writeJNI(
  79     JNIEnv * env, jobject obj_this, jbyteArray buffer)
  80 {
  81     (*(void (*)(JNIEnv *, jobject, jbyteArray))
  82      getFunction("PipeConnection_write"))(env, obj_this, buffer);
  83 }
  84
  85 SAL_DLLPUBLIC_EXPORT void JNICALL
  86 Java_com_sun_star_lib_connections_pipe_PipeConnection_flushJNI(
  87     JNIEnv * env, jobject obj_this)
  88 {
  89     (*(void (*)(JNIEnv *, jobject))
  90      getFunction("PipeConnection_flush"))(env, obj_this);
  91 }
  92
  93 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */