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Diffstat (limited to 'lib/libcurses/PSD.doc/life.c')
| -rw-r--r-- | lib/libcurses/PSD.doc/life.c | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/lib/libcurses/PSD.doc/life.c b/lib/libcurses/PSD.doc/life.c deleted file mode 100644 index 5ecd07f84c434..0000000000000 --- a/lib/libcurses/PSD.doc/life.c +++ /dev/null @@ -1,163 +0,0 @@ -.\" Copyright (c) 1980, 1993 -.\" The 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. -.\" -.\" @(#)life.c 8.1 (Berkeley) 6/8/93 -.\" -# include <curses.h> -# include <signal.h> - -/* - * Run a life game. This is a demonstration program for - * the Screen Updating section of the -lcurses cursor package. - */ - -typedef struct lst_st { /* linked list element */ - int y, x; /* (y, x) position of piece */ - struct lst_st *next, *last; /* doubly linked */ -} LIST; - -LIST *Head; /* head of linked list */ - -int die(); - -main(ac, av) -int ac; -char *av[]; -{ - evalargs(ac, av); /* evaluate arguments */ - - initscr(); /* initialize screen package */ - signal(SIGINT, die); /* set to restore tty stats */ - cbreak(); /* set for char-by-char */ - noecho(); /* input */ - nonl(); /* for optimization */ - - getstart(); /* get starting position */ - for (;;) { - prboard(); /* print out current board */ - update(); /* update board position */ - } -} - -/* - * This is the routine which is called when rubout is hit. - * It resets the tty stats to their original values. This - * is the normal way of leaving the program. - */ -die() -{ - signal(SIGINT, SIG_IGN); /* ignore rubouts */ - mvcur(0, COLS - 1, LINES - 1, 0); /* go to bottom of screen */ - endwin(); /* set terminal to good state */ - exit(0); -} - -/* - * Get the starting position from the user. They keys u, i, o, j, l, - * m, ,, and . are used for moving their relative directions from the - * k key. Thus, u move diagonally up to the left, , moves directly down, - * etc. x places a piece at the current position, " " takes it away. - * The input can also be from a file. The list is built after the - * board setup is ready. - */ -getstart() -{ - reg char c; - reg int x, y; - auto char buf[100]; - - box(stdscr, '|', '_'); /* box in the screen */ - move(1, 1); /* move to upper left corner */ - - for (;;) { - refresh(); /* print current position */ - if ((c = getch()) == 'q') - break; - switch (c) { - case 'u': - case 'i': - case 'o': - case 'j': - case 'l': - case 'm': - case ',': - case '.': - adjustyx(c); - break; - case 'f': - mvaddstr(0, 0, "File name: "); - getstr(buf); - readfile(buf); - break; - case 'x': - addch('X'); - break; - case ' ': - addch(' '); - break; - } - } - - if (Head != NULL) /* start new list */ - dellist(Head); - Head = malloc(sizeof (LIST)); - - /* - * loop through the screen looking for 'x's, and add a list - * element for each one - */ - for (y = 1; y < LINES - 1; y++) - for (x = 1; x < COLS - 1; x++) { - move(y, x); - if (inch() == 'x') - addlist(y, x); - } -} - -/* - * Print out the current board position from the linked list - */ -prboard() { - - reg LIST *hp; - - erase(); /* clear out last position */ - box(stdscr, '|', '_'); /* box in the screen */ - - /* - * go through the list adding each piece to the newly - * blank board - */ - for (hp = Head; hp; hp = hp->next) - mvaddch(hp->y, hp->x, 'X'); - - refresh(); -} |