heapalloc.c
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/*====================================================================
* heapalloc.c
*
* Copyright 1995, Silicon Graphics, Inc.
* All Rights Reserved.
*
* This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics,
* Inc.; the contents of this file may not be disclosed to third
* parties, copied or duplicated in any form, in whole or in part,
* without the prior written permission of Silicon Graphics, Inc.
*
* RESTRICTED RIGHTS LEGEND:
* Use, duplication or disclosure by the Government is subject to
* restrictions as set forth in subdivision (c)(1)(ii) of the Rights
* in Technical Data and Computer Software clause at DFARS
* 252.227-7013, and/or in similar or successor clauses in the FAR,
* DOD or NASA FAR Supplement. Unpublished - rights reserved under the
* Copyright Laws of the United States.
*====================================================================*/
#include "synthInternals.h"
#include <libaudio.h>
#include <os_internal.h>
#include <ultraerror.h>
void *alHeapDBAlloc(u8 *file, s32 line, ALHeap *hp, s32 num, s32 size)
{
s32 bytes;
u8 *ptr = 0;
bytes = (num*size + AL_CACHE_ALIGN) & ~AL_CACHE_ALIGN;
#ifdef _DEBUG
hp->count++;
bytes += sizeof(HeapInfo);
#endif
if ((hp->cur + bytes) <= (hp->base + hp->len)) {
ptr = hp->cur;
hp->cur += bytes;
#ifdef _DEBUG
((HeapInfo *)ptr)->magic = AL_HEAP_MAGIC;
((HeapInfo *)ptr)->size = bytes;
((HeapInfo *)ptr)->count = hp->count;
if (file) {
((HeapInfo *)ptr)->file = file;
((HeapInfo *)ptr)->line = line;
} else {
((HeapInfo *)ptr)->file = (u8 *) "unknown";
((HeapInfo *)ptr)->line = 0;
}
ptr += sizeof(HeapInfo);
#endif
} else {
#ifdef _DEBUG
__osError(ERR_ALHEAPNOFREE, 1, size);
#endif
}
return ptr;
}