mirror of https://github.com/upx/upx.git
102 lines
2.3 KiB
C++
102 lines
2.3 KiB
C++
/* s_object.cpp -- base of all screen drivers
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This file is part of the UPX executable compressor.
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Copyright (C) 1996-2006 Markus Franz Xaver Johannes Oberhumer
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Copyright (C) 1996-2006 Laszlo Molnar
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All Rights Reserved.
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UPX and the UCL library are free software; you can redistribute them
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and/or modify them under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING.
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If not, write to the Free Software Foundation, Inc.,
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59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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Markus F.X.J. Oberhumer Laszlo Molnar
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<mfx@users.sourceforge.net> <ml1050@users.sourceforge.net>
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*/
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#include "conf.h"
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#if defined(USE_SCREEN)
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#define this local_this
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#include "screen.h"
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/*************************************************************************
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//
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**************************************************************************/
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// ugly hacks
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static screen_t *last_screen = NULL;
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screen_t *sobject_get_screen(void)
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{
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return last_screen;
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}
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void sobject_destroy(screen_t *this)
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{
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last_screen = NULL;
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if (!this)
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return;
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if (this->data)
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{
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if (this->finalize)
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this->finalize(this);
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free(this->data);
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this->data = NULL;
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}
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free(this);
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}
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screen_t *sobject_construct(const screen_t *c, size_t data_size)
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{
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screen_t *this;
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last_screen = NULL;
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/* allocate object */
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this = (screen_t *) malloc(sizeof(*this));
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if (!this)
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return NULL;
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/* copy function table */
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*this = *c;
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/* initialize instance variables */
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this->data = (struct screen_data_t *) malloc(data_size);
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if (!this->data)
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{
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free(this);
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return NULL;
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}
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memset(this->data,0,data_size);
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last_screen = this;
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return this;
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}
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#endif /* defined(USE_SCREEN) */
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/*
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vi:ts=4:et
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*/
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