1 /* $OpenBSD: use_screen.c,v 1.1 2010/01/12 23:22:06 nicm Exp $ */ 2 3 /**************************************************************************** 4 * Copyright (c) 2007,2008 Free Software Foundation, Inc. * 5 * * 6 * Permission is hereby granted, free of charge, to any person obtaining a * 7 * copy of this software and associated documentation files (the * 8 * "Software"), to deal in the Software without restriction, including * 9 * without limitation the rights to use, copy, modify, merge, publish, * 10 * distribute, distribute with modifications, sublicense, and/or sell * 11 * copies of the Software, and to permit persons to whom the Software is * 12 * furnished to do so, subject to the following conditions: * 13 * * 14 * The above copyright notice and this permission notice shall be included * 15 * in all copies or substantial portions of the Software. * 16 * * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 20 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 21 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 22 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 23 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 24 * * 25 * Except as contained in this notice, the name(s) of the above copyright * 26 * holders shall not be used in advertising or otherwise to promote the * 27 * sale, use or other dealings in this Software without prior written * 28 * authorization. * 29 ****************************************************************************/ 30 31 /**************************************************************************** 32 * Author: Thomas E. Dickey 2007 * 33 ****************************************************************************/ 34 35 #include <curses.priv.h> 36 37 MODULE_ID("$Id: use_screen.c,v 1.1 2010/01/12 23:22:06 nicm Exp $") 38 39 NCURSES_EXPORT(int) 40 use_screen(SCREEN *screen, NCURSES_SCREEN_CB func, void *data) 41 { 42 SCREEN *save_SP; 43 int code = OK; 44 45 T((T_CALLED("use_screen(%p,%p,%p)"), screen, func, data)); 46 47 /* 48 * FIXME - add a flag so a given thread can check if _it_ has already 49 * recurred through this point, return an error if so. 50 */ 51 _nc_lock_global(curses); 52 save_SP = SP; 53 set_term(screen); 54 55 code = func(screen, data); 56 57 set_term(save_SP); 58 _nc_unlock_global(curses); 59 returnCode(code); 60 } 61