Initial commit (from git)

src/s_object.cpp

@@ -0,0 +1,100 @@
+/* s_object.cpp -- base of all screen drivers
+
+   This file is part of the UPX executable compressor.
+
+   Copyright (C) 1996-2000 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1996-2000 Laszlo Molnar
+
+   UPX and the UCL library are free software; you can redistribute them
+   and/or modify them under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2 of
+   the License, or (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; see the file COPYING.
+   If not, write to the Free Software Foundation, Inc.,
+   59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+   Markus F.X.J. Oberhumer                   Laszlo Molnar
+   markus.oberhumer@jk.uni-linz.ac.at        ml1050@cdata.tvnet.hu
+ */
+
+
+#include "conf.h"
+
+#if defined(USE_SCREEN)
+
+#define this local_this
+
+#include "screen.h"
+
+
+/*************************************************************************
+//
+**************************************************************************/
+
+// ugly hacks
+static screen_t *last_screen = NULL;
+
+screen_t *sobject_get_screen(void)
+{
+    return last_screen;
+}
+
+
+void sobject_destroy(screen_t *this)
+{
+    last_screen = NULL;
+    if (!this)
+        return;
+    if (this->data)
+    {
+        if (this->finalize)
+            this->finalize(this);
+        free(this->data);
+        this->data = NULL;
+    }
+    free(this);
+}
+
+
+screen_t *sobject_construct(const screen_t *c, size_t data_size)
+{
+    screen_t *this;
+
+    last_screen = NULL;
+
+    /* allocate object */
+    this = (screen_t *) malloc(sizeof(*this));
+    if (!this)
+        return NULL;
+
+    /* copy function table */
+    *this = *c;
+
+    /* initialize instance variables */
+    this->data = (struct screen_data_t *) malloc(data_size);
+    if (!this->data)
+    {
+        free(this);
+        return NULL;
+    }
+    memset(this->data,0,data_size);
+
+    last_screen = this;
+    return this;
+}
+
+
+#endif /* defined(USE_SCREEN) */
+
+
+/*
+vi:ts=4:et
+*/
+