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/**
* OpenAL cross platform audio library
* Copyright (C) 1999-2007 by authors.
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
* Or go to http://www.gnu.org/copyleft/lgpl.html
*/
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "alError.h"
#include "alMain.h"
#include "alFilter.h"
#include "alEffect.h"
#include "alAuxEffectSlot.h"
#include "alSource.h"
#include "alBuffer.h"
#include "AL/al.h"
#include "AL/alc.h"
AL_API ALboolean AL_APIENTRY alIsExtensionPresent(const ALchar *extName)
{
ALboolean ret = AL_FALSE;
ALCcontext *context;
const char *ptr;
size_t len;
context = GetContextRef();
if(!context) return AL_FALSE;
if(!extName)
SETERR_GOTO(context, AL_INVALID_VALUE, 0, "NULL pointer", done);
len = strlen(extName);
ptr = context->ExtensionList;
while(ptr && *ptr)
{
if(strncasecmp(ptr, extName, len) == 0 &&
(ptr[len] == '\0' || isspace(ptr[len])))
{
ret = AL_TRUE;
break;
}
if((ptr=strchr(ptr, ' ')) != NULL)
{
do {
++ptr;
} while(isspace(*ptr));
}
}
done:
ALCcontext_DecRef(context);
return ret;
}
AL_API ALvoid* AL_APIENTRY alGetProcAddress(const ALchar *funcName)
{
if(!funcName)
return NULL;
return alcGetProcAddress(NULL, funcName);
}
AL_API ALenum AL_APIENTRY alGetEnumValue(const ALchar *enumName)
{
if(!enumName)
return (ALenum)0;
return alcGetEnumValue(NULL, enumName);
}
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