home *** CD-ROM | disk | FTP | other *** search
- /*
- * Copyright (c) 1980 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[] = "@(#)save.c 5.4 (Berkeley) 6/1/90";
- #endif /* not lint */
-
- #include "back.h"
-
- extern int errno;
-
- static char confirm[] = "Are you sure you want to leave now?";
- static char prompt[] = "Enter a file name: ";
- static char exist1[] = "The file '";
- static char exist2[] =
- "' already exists.\nAre you sure you want to use this file?";
- static char cantuse[] = "\nCan't use ";
- static char saved[] = "This game has been saved on the file '";
- static char type[] = "'.\nType \"backgammon ";
- static char rec[] = "\" to recover your game.\n\n";
- static char cantrec[] = "Can't recover file: ";
-
- save (n)
- register int n;
-
- {
- register int fdesc;
- register char *fs;
- char fname[50];
-
- if (n) {
- if (tflag) {
- curmove (20,0);
- clend();
- } else
- writec ('\n');
- writel (confirm);
- if (! yorn(0))
- return;
- }
- cflag = 1;
- for (;;) {
- writel (prompt);
- fs = fname;
- while ((*fs = readc()) != '\n') {
- if (*fs == tty.sg_erase) {
- if (fs > fname) {
- fs--;
- if (tflag)
- curmove (curr,curc-1);
- else
- writec (*fs);
- } else
- writec ('\007');
- continue;
- }
- writec (*fs++);
- }
- *fs = '\0';
- if ((fdesc = open(fname,2)) == -1 && errno == 2) {
- if ((fdesc = creat (fname,0700)) != -1)
- break;
- }
- if (fdesc != -1) {
- if (tflag) {
- curmove (18,0);
- clend();
- } else
- writec ('\n');
- writel (exist1);
- writel (fname);
- writel (exist2);
- cflag = 0;
- close (fdesc);
- if (yorn (0)) {
- unlink (fname);
- fdesc = creat (fname,0700);
- break;
- } else {
- cflag = 1;
- continue;
- }
- }
- writel (cantuse);
- writel (fname);
- writel (".\n");
- close (fdesc);
- cflag = 1;
- }
- write (fdesc,board,sizeof board);
- write (fdesc,off,sizeof off);
- write (fdesc,in,sizeof in);
- write (fdesc,dice,sizeof dice);
- write (fdesc,&cturn,sizeof cturn);
- write (fdesc,&dlast,sizeof dlast);
- write (fdesc,&pnum,sizeof pnum);
- write (fdesc,&rscore,sizeof rscore);
- write (fdesc,&wscore,sizeof wscore);
- write (fdesc,&gvalue,sizeof gvalue);
- write (fdesc,&raflag,sizeof raflag);
- close (fdesc);
- if (tflag)
- curmove (18,0);
- writel (saved);
- writel (fname);
- writel (type);
- writel (fname);
- writel (rec);
- if (tflag)
- clend();
- getout ();
- }
-
- recover (s)
- char *s;
-
- {
- register int i;
- int fdesc;
-
- if ((fdesc = open (s,0)) == -1)
- norec (s);
- read (fdesc,board,sizeof board);
- read (fdesc,off,sizeof off);
- read (fdesc,in,sizeof in);
- read (fdesc,dice,sizeof dice);
- read (fdesc,&cturn,sizeof cturn);
- read (fdesc,&dlast,sizeof dlast);
- read (fdesc,&pnum,sizeof pnum);
- read (fdesc,&rscore,sizeof rscore);
- read (fdesc,&wscore,sizeof wscore);
- read (fdesc,&gvalue,sizeof gvalue);
- read (fdesc,&raflag,sizeof raflag);
- close (fdesc);
- rflag = 1;
- }
-
- norec (s)
- register char *s;
-
- {
- register char *c;
-
- tflag = 0;
- writel (cantrec);
- c = s;
- while (*c != '\0')
- writec (*c++);
- getout ();
- }
-