diff options
Diffstat (limited to 'lib/libcurses/initscr.c')
| -rw-r--r-- | lib/libcurses/initscr.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/lib/libcurses/initscr.c b/lib/libcurses/initscr.c new file mode 100644 index 000000000000..5dd97e8b2255 --- /dev/null +++ b/lib/libcurses/initscr.c @@ -0,0 +1,93 @@ +/* + * Copyright (c) 1981 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef lint +static char sccsid[] = "@(#)initscr.c 5.6 (Berkeley) 3/3/91"; +#endif /* not lint */ + +# include "curses.ext" +# include <signal.h> + +extern char *getenv(); + +/* + * This routine initializes the current and standard screen. + * + */ +WINDOW * +initscr() { + + reg char *sp; + void tstp(); + +# ifdef DEBUG + fprintf(outf, "INITSCR()\n"); +# endif + if (My_term) + setterm(Def_term); + else { + 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); +# ifdef SIGTSTP + signal(SIGTSTP, 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; +} |