58 lines
1.7 KiB
C
58 lines
1.7 KiB
C
#ifndef lint
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static char sccs_id[] = "@(#)mem.c 5.3 9/1/88";
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#endif
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/*
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* Copyright 1988 by Siemens Research and Technology Laboratories, Princeton, NJ
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*
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* All Rights Reserved
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*
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* Permission to use, copy, modify, and distribute this software and its
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* documentation for any purpose and without fee is hereby granted,
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* provided that the above copyright notice appear in all copies and that
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* both that copyright notice and this permission notice appear in
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* supporting documentation, and that the name of Siemens Research and Technology
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* Laboratories not be used in advertising or publicity pertaining to
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* distribution of the software without specific, written prior permission.
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*
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*
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* SIEMENS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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* SIEMENS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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* ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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* WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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*/
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#include "copyright.h"
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#include "twinI.h"
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#include "tileP.h"
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static Tilwin *tilwin_freelist = (Tilwin *)NULL;
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Tilwin *
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Mem_Allocate()
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{
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Tilwin *tilwinp;
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if (tilwin_freelist == (Tilwin *)NULL)
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tilwinp = (Tilwin *) malloc(sizeof(Tilwin));
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else{
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tilwinp = tilwin_freelist;
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tilwin_freelist = (Tilwin *) tilwin_freelist -> tilep;
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}
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return(tilwinp);
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}
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void
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Mem_Deallocate(winp)
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Tilwin *winp;
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{
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winp -> tilep = (pointer) tilwin_freelist;
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tilwin_freelist = (Tilwin *) winp;
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winp = (Tilwin *) NULL;
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}
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