178 lines
4.1 KiB
C
178 lines
4.1 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef lint
|
|
static char copyright[] =
|
|
"@(#) Copyright (c) 1980, 1993\n\
|
|
The Regents of the University of California. All rights reserved.\n";
|
|
#endif /* not lint */
|
|
|
|
#ifndef lint
|
|
static char sccsid[] = "@(#)teach.c 8.1 (Berkeley) 5/31/93";
|
|
#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);
|
|
}
|