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- /****************************************************************************
- * Copyright (c) 1998,1999,2000 Free Software Foundation, Inc. *
- * *
- * Permission is hereby granted, free of charge, to any person obtaining a *
- * copy of this software and associated documentation files (the *
- * "Software"), to deal in the Software without restriction, including *
- * without limitation the rights to use, copy, modify, merge, publish, *
- * distribute, distribute with modifications, sublicense, and/or sell *
- * copies of the Software, and to permit persons to whom the Software is *
- * furnished to do so, subject to the following conditions: *
- * *
- * The above copyright notice and this permission notice shall be included *
- * in all copies or substantial portions of the Software. *
- * *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
- * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
- * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
- * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
- * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
- * *
- * Except as contained in this notice, the name(s) of the above copyright *
- * holders shall not be used in advertising or otherwise to promote the *
- * sale, use or other dealings in this Software without prior written *
- * authorization. *
- ****************************************************************************/
-
- /****************************************************************************
- * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
- * and: Eric S. Raymond <esr@snark.thyrsus.com> *
- ****************************************************************************/
-
- /*
- ** lib_data.c
- **
- ** Common data that may/may not be allocated, but is referenced globally
- **
- */
-
- #include <curses.priv.h>
-
- MODULE_ID("$Id: lib_data.c,v 1.16 2000/12/10 02:55:07 tom Exp $")
-
- /*
- * OS/2's native linker complains if we don't initialize public data when
- * constructing a dll (reported by J.J.G.Ripoll).
- */
- NCURSES_EXPORT_VAR(WINDOW *)
- stdscr = 0;
- NCURSES_EXPORT_VAR(WINDOW *)
- curscr = 0;
- NCURSES_EXPORT_VAR(WINDOW *)
- newscr = 0;
-
- NCURSES_EXPORT_VAR(SCREEN *) _nc_screen_chain = 0;
-
- /*
- * The variable 'SP' will be defined as a function on systems that cannot link
- * data-only modules, since it is used in a lot of places within ncurses and we
- * cannot guarantee that any application will use any particular function. We
- * put the WINDOW variables in this module, because it appears that any
- * application that uses them will also use 'SP'.
- *
- * This module intentionally does not reference other ncurses modules, to avoid
- * module coupling that increases the size of the executable.
- */
- #if BROKEN_LINKER
- static SCREEN *my_screen;
-
- NCURSES_EXPORT(SCREEN *)
- _nc_screen(void)
- {
- return my_screen;
- }
-
- NCURSES_EXPORT(int)
- _nc_alloc_screen(void)
- {
- return ((my_screen = typeCalloc(SCREEN, 1)) != 0);
- }
-
- NCURSES_EXPORT(void)
- _nc_set_screen(SCREEN * sp)
- {
- my_screen = sp;
- }
-
- #else
- NCURSES_EXPORT_VAR(SCREEN *) SP = NULL; /* Some linkers require initialized data... */
- #endif
-