diff options
Diffstat (limited to 'ncurses-5.3/ncurses/tinfo/lib_data.c')
| -rw-r--r-- | ncurses-5.3/ncurses/tinfo/lib_data.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/ncurses-5.3/ncurses/tinfo/lib_data.c b/ncurses-5.3/ncurses/tinfo/lib_data.c new file mode 100644 index 0000000..15bb19d --- /dev/null +++ b/ncurses-5.3/ncurses/tinfo/lib_data.c @@ -0,0 +1,91 @@ +/**************************************************************************** + * 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("$Id$") + +/* + * 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 |