59 lines
1.5 KiB
C
Executable File
59 lines
1.5 KiB
C
Executable File
/*
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* UPIWIN - Micro Pi Windowing Framework Kernel
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* Copyright (C) 2019 Amy Bowersox/Erbosoft Metaverse Design Solutions
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*-------------------------------------------------------------------------
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*/
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#include <stdlib.h>
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#include <string.h>
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#include "gfxobj.h"
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void _Go_init(PGFXOBJECT obj, UINT32 sig, UINT32 size)
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{
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memset(obj, 0, sizeof(GFXOBJECT));
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obj->sig = sig;
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obj->size = size;
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obj->refcnt = 1;
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}
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void Go_unchain(PGFXOBJECT obj)
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{
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if (!(obj->next || obj->prev))
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return;
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if (obj->next)
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obj->next->prev = obj->prev;
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if (obj->prev)
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obj->prev->next = obj->next;
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obj->prev = obj->next = NULL;
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}
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INT32 Go_addref(PGFXOBJECT obj)
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{
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return ++(obj->refcnt);
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}
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INT32 Go_release(PGFXOBJECT obj)
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{
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int rc = --(obj->refcnt);
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if (rc == 0)
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{
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if (obj->dtor)
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(*(obj->dtor))(obj);
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free(obj);
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}
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return rc;
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}
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