freebsd-dev/games/backgammon/teachgammon/teach.c
1999-11-30 03:50:02 +00:00

180 lines
4.2 KiB
C

/*
* 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.
*/
#ifndef lint
static const char copyright[] =
"@(#) Copyright (c) 1980, 1993\n\
The Regents of the University of California. All rights reserved.\n";
#endif /* not lint */
#ifndef lint
#if 0
static char sccsid[] = "@(#)teach.c 8.1 (Berkeley) 5/31/93";
#endif
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <string.h>
#include <sys/types.h>
#include <unistd.h>
#include <signal.h>
#include "back.h"
extern char *hello[];
extern char *list[];
extern char *intro1[];
extern char *intro2[];
extern char *moves[];
extern char *remove[];
extern char *hits[];
extern char *endgame[];
extern char *doubl[];
extern char *stragy[];
extern char *prog[];
extern char *lastch[];
extern char ospeed; /* tty output speed for termlib */
const char *const helpm[] = {
"\nEnter a space or newline to roll, or",
" b to display the board",
" d to double",
" q to quit\n",
0
};
const char *const contin[] = {
"",
0
};
main (argc,argv)
int argc;
char **argv;
{
int i;
/* revoke privs */
setgid(getgid());
acnt = 1;
signal (SIGINT,getout);
if (gtty (0,&tty) == -1) /* get old tty mode */
errexit ("teachgammon(gtty)");
old = tty.sg_flags;
#ifdef V7
raw = ((noech = old & ~ECHO) | CBREAK); /* set up modes */
#else
raw = ((noech = old & ~ECHO) | RAW); /* set up modes */
#endif
ospeed = tty.sg_ospeed; /* for termlib */
tflag = getcaps (getenv ("TERM"));
getarg (argc, argv);
if (tflag) {
noech &= ~(CRMOD|XTABS);
raw &= ~(CRMOD|XTABS);
clear();
}
text (hello);
text (list);
i = text (contin);
if (i == 0)
i = 2;
init();
while (i)
switch (i) {
case 1:
leave();
case 2:
if (i = text(intro1))
break;
wrboard();
if (i = text(intro2))
break;
case 3:
if (i = text(moves))
break;
case 4:
if (i = text(remove))
break;
case 5:
if (i = text(hits))
break;
case 6:
if (i = text(endgame))
break;
case 7:
if (i = text(doubl))
break;
case 8:
if (i = text(stragy))
break;
case 9:
if (i = text(prog))
break;
case 10:
if (i = text(lastch))
break;
}
tutor();
}
leave() {
int i;
if (tflag)
clear();
else
writec ('\n');
fixtty(old);
args[0] = strdup("backgammon");
args[acnt++] = strdup("-n");
args[acnt] = 0;
execv (EXEC,args);
for (i = 0; i < acnt; i++)
free (args[i]);
writel ("Help! Backgammon program is missing\007!!\n");
exit (-1);
}