projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 6e7daf84 WJ |
1 | /* |
| 2 | * Copyright (c) 1981 Regents of the University of California. | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * Redistribution and use in source and binary forms, with or without | |
| 6 | * modification, are permitted provided that the following conditions | |
| 7 | * are met: | |
| 8 | * 1. Redistributions of source code must retain the above copyright | |
| 9 | * notice, this list of conditions and the following disclaimer. | |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 11 | * notice, this list of conditions and the following disclaimer in the | |
| 12 | * documentation and/or other materials provided with the distribution. | |
| 13 | * 3. All advertising materials mentioning features or use of this software | |
| 14 | * must display the following acknowledgement: | |
| 15 | * This product includes software developed by the University of | |
| 16 | * California, Berkeley and its contributors. | |
| 17 | * 4. Neither the name of the University nor the names of its contributors | |
| 18 | * may be used to endorse or promote products derived from this software | |
| 19 | * without specific prior written permission. | |
| 20 | * | |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 31 | * SUCH DAMAGE. | |
| 32 | */ | |
| 33 | ||
| 34 | #ifndef lint | |
| 35 | static char sccsid[] = "@(#)initscr.c 5.6 (Berkeley) 3/3/91"; | |
| 36 | #endif /* not lint */ | |
| 37 | ||
| 38 | # include "curses.ext" | |
| 39 | # include <signal.h> | |
| 40 | ||
| 41 | extern char *getenv(); | |
| 42 | ||
| 43 | /* | |
| 44 | * This routine initializes the current and standard screen. | |
| 45 | * | |
| 46 | */ | |
| 47 | WINDOW * | |
| 48 | initscr() { | |
| 49 | ||
| 50 | reg char *sp; | |
| 51 | void tstp(); | |
| 52 | ||
| 53 | # ifdef DEBUG | |
| 54 | fprintf(outf, "INITSCR()\n"); | |
| 55 | # endif | |
| 56 | if (My_term) | |
| 57 | setterm(Def_term); | |
| 58 | else { | |
| 59 | gettmode(); | |
| 60 | if ((sp = getenv("TERM")) == NULL) | |
| 61 | sp = Def_term; | |
| 62 | setterm(sp); | |
| 63 | # ifdef DEBUG | |
| 64 | fprintf(outf, "INITSCR: term = %s\n", sp); | |
| 65 | # endif | |
| 66 | } | |
| 67 | _puts(TI); | |
| 68 | _puts(VS); | |
| 69 | # ifdef SIGTSTP | |
| 70 | signal(SIGTSTP, tstp); | |
| 71 | # endif | |
| 72 | if (curscr != NULL) { | |
| 73 | # ifdef DEBUG | |
| 74 | fprintf(outf, "INITSCR: curscr = 0%o\n", curscr); | |
| 75 | # endif | |
| 76 | delwin(curscr); | |
| 77 | } | |
| 78 | # ifdef DEBUG | |
| 79 | fprintf(outf, "LINES = %d, COLS = %d\n", LINES, COLS); | |
| 80 | # endif | |
| 81 | if ((curscr = newwin(LINES, COLS, 0, 0)) == ERR) | |
| 82 | return ERR; | |
| 83 | clearok(curscr, TRUE); | |
| 84 | curscr->_flags &= ~_FULLLINE; | |
| 85 | if (stdscr != NULL) { | |
| 86 | # ifdef DEBUG | |
| 87 | fprintf(outf, "INITSCR: stdscr = 0%o\n", stdscr); | |
| 88 | # endif | |
| 89 | delwin(stdscr); | |
| 90 | } | |
| 91 | stdscr = newwin(LINES, COLS, 0, 0); | |
| 92 | return stdscr; | |
| 93 | } |