/* $OpenBSD: lib_initscr.c,v 1.2 2001/01/22 18:01:40 millert Exp $ */ /**************************************************************************** * Copyright (c) 1998,2000 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_initscr.c ** ** The routines initscr(), and termname(). ** */ #include <curses.priv.h> #include <tic.h> /* for MAX_ALIAS */ #if HAVE_SYS_TERMIO_H #include <sys/termio.h> /* needed for ISC */ #endif MODULE_ID("$From: lib_initscr.c,v 1.28 2000/12/10 02:43:27 tom Exp $") NCURSES_EXPORT(WINDOW *) initscr(void) { static bool initialized = FALSE; NCURSES_CONST char *name; int value; T((T_CALLED("initscr()"))); /* Portable applications must not call initscr() more than once */ if (!initialized) { initialized = TRUE; if ((name = getenv("TERM")) == 0 || *name == '\0') name = "unknown"; if (newterm(name, stdout, stdin) == 0) { fprintf(stderr, "Error opening terminal: %s.\n", name); exit(EXIT_FAILURE); } /* allow user to set maximum escape delay from the environment */ if ((value = _nc_getenv_num("ESCDELAY")) >= 0) { ESCDELAY = value; } /* def_shell_mode - done in newterm/_nc_setupscreen */ def_prog_mode(); } returnWin(stdscr); }