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- /*
- * Copyright (c) 1981 Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms and that any documentation,
- * advertising materials, and other materials related to such
- * distribution and use acknowledge that the software was developed
- * by the University of California, Berkeley. The name of the
- * University may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
- #ifndef lint
- static char sccsid[] = "@(#)initscr.c 5.3 (Berkeley) 6/30/88";
- #endif /* not lint */
-
- # include "curses.ext"
- # include <signal.h>
- # include <unistd.h>
-
- __EXTERN char *getenv __PROTO((const char *));
-
- /*
- * This routine initializes the current and standard screen.
- *
- */
- WINDOW *
- initscr() {
-
- reg char *sp;
- void tstp __PROTO((void));
- int nfd;
-
- # ifdef DEBUG
- fprintf(outf, "INITSCR()\n");
- # endif
- if (My_term)
- setterm(Def_term);
- else {
- for (_tty_ch = 0; _tty_ch < nfd; _tty_ch++)
- if (isatty(_tty_ch))
- break;
- gettmode();
- if ((sp = getenv("TERM")) == NULL)
- sp = Def_term;
- setterm(sp);
- # ifdef DEBUG
- fprintf(outf, "INITSCR: term = %s\n", sp);
- # endif
- }
- _puts(TI);
- _puts(VS);
- # if defined(SIGTSTP) && defined(__MINT__)
- signal(SIGTSTP, (__Sigfunc) tstp);
- # endif
- if (curscr != NULL) {
- # ifdef DEBUG
- fprintf(outf, "INITSCR: curscr = 0%o\n", curscr);
- # endif
- delwin(curscr);
- }
- # ifdef DEBUG
- fprintf(outf, "LINES = %d, COLS = %d\n", LINES, COLS);
- # endif
- if ((curscr = newwin(LINES, COLS, 0, 0)) == ERR)
- return ERR;
- clearok(curscr, TRUE);
- curscr->_flags &= ~_FULLLINE;
- if (stdscr != NULL) {
- # ifdef DEBUG
- fprintf(outf, "INITSCR: stdscr = 0%o\n", stdscr);
- # endif
- delwin(stdscr);
- }
- stdscr = newwin(LINES, COLS, 0, 0);
- return stdscr;
- }
-