76 lines
1.3 KiB
C
76 lines
1.3 KiB
C
/*
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* Copyright (c) 1993 Argonaut Software Ltd. All rights reserved.
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*
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* $Id: stdmem.c 1.3 1994/11/07 01:39:20 sam Exp $
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* $Locker: $
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*
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* Default memory handler that uses malloc()/free() from C library
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*/
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#include <Windows.h>
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#include <stddef.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include "brender.h"
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#ifdef DEBUG
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static long _cb = 0; // Total memory allocated by BRender
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#endif
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/*
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* Glue functions for malloc()/free()
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*/
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static void * BR_CALLBACK BrStdlibAllocate(br_size_t size, br_uint_8 type)
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{
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void *m;
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long cbAlloc = size;
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#ifdef DEBUG
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cbAlloc += sizeof(long);
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#endif //DEBUG
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m = (void *)GlobalAlloc(GMEM_FIXED, cbAlloc);
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if(m == NULL)
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return NULL;
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#ifdef DEBUG
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*(long *)m = size;
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_cb += size;
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m = (char *)m + sizeof(long);
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#endif
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return m;
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}
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static void BR_CALLBACK BrStdlibFree(void *mem)
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{
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#ifdef DEBUG
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void *pmemReal = (char *)mem - sizeof(long);
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long size = *(long *)pmemReal;
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_cb -= size;
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mem = pmemReal;
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#endif //DEBUG
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GlobalFree((HGLOBAL)mem);
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}
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static br_size_t BR_CALLBACK BrStdlibInquire(br_uint_8 type)
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{
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return 0;
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}
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/*
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* Allocator structure
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*/
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br_allocator BrStdlibAllocator = {
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"malloc",
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BrStdlibAllocate,
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BrStdlibFree,
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BrStdlibInquire,
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};
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/*
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* Override global variable s.t. this is the default allocator
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*/
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br_allocator *_BrDefaultAllocator = &BrStdlibAllocator;
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