getbufcount.c
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/**************************************************************************
* *
* Copyright (C) 1994, Silicon Graphics, Inc. *
* *
* These coded instructions, statements, and computer programs contain *
* unpublished proprietary information of Silicon Graphics, Inc., and *
* are protected by Federal copyright law. They may not be disclosed *
* to third parties or copied or duplicated in any form, in whole or *
* in part, without the prior written consent of Silicon Graphics, Inc. *
* *
**************************************************************************/
/**************************************************************************
*
* Module: getcount.c
*
* $Revision: 1.1.1.2 $
* $Date: 2002/10/29 08:06:43 $
* $Author: blythe $
* $Source: /root/leakn64/depot/rf/sw/n64os20l/libultra/monegi/rg/getbufcount.c,v $
*
**************************************************************************/
#include "os.h"
#include "os_internal.h"
#include "region.h"
#include "ultraerror.h"
#include "assert.h"
/*
* Name: osGetRegionBufCount
*
* Description:
* This routine returns the total number of available buffers in the
* region.
*
* Globals Referenced:
* None
*/
s32
osGetRegionBufCount(void *region)
{
register OSRegion *rp = region;
#ifdef _DEBUG
/* Validate region id: not null and aligned to equal starting address */
assert(rp != NULL);
if (((char *)rp + ALIGN(sizeof(OSRegion), RP(alignSize))) !=
RP(startBufferAddress)) {
__osError(ERR_OSGETREGIONBUFCOUNT, 1, region);
return(0);
}
#endif
return(RP(bufferCount));
} /* end of osGetRegionBufCount */