Kaydet (Commit) 3e51dc6f authored tarafından Minh Ngo's avatar Minh Ngo Kaydeden (comit) Michael Meeks

libvlc API symbol loader routines

Change-Id: I6800c7a75dbcdec53119f5f4da341aeb33c9d574
üst 4f36924f
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef _SYMBOL_LOADER_HXX
#define _SYMBOL_LOADER_HXX
#include <iostream>
#include <osl/module.h>
#include <rtl/ustring.hxx>
#define SYM_MAP(a) { #a, (SymbolFunc *)&a }
typedef void (*SymbolFunc) (void);
struct ApiMap
{
const char *symName;
SymbolFunc *refValue;
};
namespace
{
const char *libNames[] = {
"libvlc.so.5",
"libvlccore.so.5"
};
template<size_t N> static bool
tryLink( oslModule &aModule, const char *pName, const ApiMap ( &pMap )[N] )
{
for (uint i = 0; i < N; ++i)
{
SymbolFunc aMethod = ( SymbolFunc )osl_getFunctionSymbol
( aModule, OUString::createFromAscii ( pMap[ i ].symName ).pData );
if ( !aMethod )
return false;
*pMap[ i ].refValue = aMethod;
}
return true;
}
}
template<size_t N>
bool InitApiMap( const ApiMap ( &pMap )[N] )
{
oslModule aModule;
for (uint j = 0; j < sizeof(libNames) / sizeof(libNames[0]); ++j)
{
aModule = osl_loadModule( OUString::createFromAscii
( libNames[ j ] ).pData,
SAL_LOADMODULE_DEFAULT );
if( aModule == NULL)
continue;
tryLink( aModule, libNames[ j ], pMap );
osl_unloadModule( aModule );
}
return false;
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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