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/* 
 * Copyright (c) 2002-2008 LWJGL Project
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are 
 * met:
 * 
 * * Redistributions of source code must retain the above copyright 
 *   notice, this list of conditions and the following disclaimer.
 *
 * * Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 *
 * * Neither the name of 'LWJGL' nor the names of 
 *   its contributors may be used to endorse or promote products derived 
 *   from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "extal.h"
#include "common_tools.h"

/**
 * $Id: windows_al.c 2985 2008-04-07 18:42:36Z matzon $
 *
 * This file contains the AL extension assigning mechanism
 *
 * @author Brian Matzon <brian@matzon.dk>
 * @version $Revision: 2985 $
 */
/* Handle to OpenAL Library */
static HMODULE handleOAL;

void *NativeGetFunctionPointer(const char *function) {
	return GetProcAddress(handleOAL, function);
}

void tryLoadLibrary(JNIEnv *env, jstring path) {
	char *path_str = GetStringNativeChars(env, path);
	printfDebugJava(env, "Testing '%s'", path_str);
	handleOAL = LoadLibrary(path_str);
	if (handleOAL != NULL) {
		printfDebugJava(env, "Found OpenAL at '%s'", path_str);
	} else {
		throwFormattedException(env, "Could not load OpenAL library (%d)", GetLastError());
	}
	free(path_str);
}

/**
 * Unloads the OpenAL Library
 */
void UnLoadOpenAL() {
	FreeLibrary(handleOAL);
}