-/* $NetBSD: subs.c,v 1.5 1995/04/29 00:44:15 mycroft Exp $ */
+/* $NetBSD: subs.c,v 1.20 2013/09/13 20:46:50 joerg Exp $ */
/*
* Copyright (c) 1980, 1993
* 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
+ * 3. 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.
*
* SUCH DAMAGE.
*/
+#include <sys/cdefs.h>
#ifndef lint
#if 0
static char sccsid[] = "@(#)subs.c 8.1 (Berkeley) 5/31/93";
#else
-static char rcsid[] = "$NetBSD: subs.c,v 1.5 1995/04/29 00:44:15 mycroft Exp $";
+__RCSID("$NetBSD: subs.c,v 1.20 2013/09/13 20:46:50 joerg Exp $");
#endif
#endif /* not lint */
-#include <stdio.h>
#include "back.h"
-int buffnum;
-char outbuff[BUFSIZ];
-
-static char plred[] = "Player is red, computer is white.";
-static char plwhite[] = "Player is white, computer is red.";
-static char nocomp[] = "(No computer play.)";
-
-char *descr[] = {
- "Usage: backgammon [-] [n r w b pr pw pb t3a]\n",
- "\t-\tgets this list\n\tn\tdon't ask for rules or instructions",
- "\tr\tplayer is red (implies n)\n\tw\tplayer is white (implies n)",
- "\tb\ttwo players, red and white (implies n)",
- "\tpr\tprint the board before red's turn",
- "\tpw\tprint the board before white's turn",
- "\tpb\tprint the board before both player's turn",
- "\tterm\tterminal is a term",
- "\tsfile\trecover saved game from file",
- 0
-};
-
-errexit (s)
-register char *s;
-{
- write (2,"\n",1);
- perror (s);
- getout();
-}
+int buffnum;
+static char outbuff[BUFSIZ];
+
+static const char plred[] = "Player is red, computer is white.";
+static const char plwhite[] = "Player is white, computer is red.";
+static const char nocomp[] = "(No computer play.)";
-strset (s1,s2)
-register char *s1, *s2;
+void
+errexit(const char *s)
{
- while ( (*s1++ = *s2++) != '\0');
+ write(2, "\n", 1);
+ perror(s);
+ getout(0);
}
-addbuf (c)
-register char c;
-
+int
+addbuf(int c)
{
buffnum++;
- if (buffnum == BUFSIZ) {
- if (write(1,outbuff,BUFSIZ) != BUFSIZ)
- errexit ("addbuf (write):");
+ if (buffnum == BUFSIZ) {
+ if (write(1, outbuff, BUFSIZ) != BUFSIZ)
+ errexit("addbuf (write):");
buffnum = 0;
}
outbuff[buffnum] = c;
+ return (0);
}
-buflush () {
+void
+buflush(void)
+{
if (buffnum < 0)
return;
buffnum++;
- if (write (1,outbuff,buffnum) != buffnum)
- errexit ("buflush (write):");
+ if (write(1, outbuff, buffnum) != buffnum)
+ errexit("buflush (write):");
buffnum = -1;
}
-readc () {
- char c;
+int
+readc(void)
+{
+ char c;
- if (tflag) {
+ if (tflag) {
cline();
newpos();
}
buflush();
- if (read(0,&c,1) != 1)
- errexit ("readc");
+ if (read(0, &c, 1) != 1)
+ errexit("readc");
#ifdef WHY_IS_THIS_HARDWIRED_IN_HERE
if (c == '\177')
- getout();
+ getout(0);
#endif
if (c == '\033' || c == '\015')
return ('\n');
return (c);
}
-writec (c)
-char c;
+void
+writec(int c)
{
if (tflag)
- fancyc (c);
+ fancyc(c);
else
- addbuf (c);
+ addbuf(c);
}
-writel (l)
-register char *l;
+void
+writel(const char *l)
{
#ifdef DEBUG
- register char *s;
+ const char *s;
if (trace == NULL)
- trace = fopen ("bgtrace","w");
-
- fprintf (trace,"writel: \"");
+ trace = fopen("bgtrace", "w");
+
+ fprintf(trace, "writel: \"");
for (s = l; *s; s++) {
if (*s < ' ' || *s == '\177')
- fprintf (trace,"^%c",(*s)^0100);
+ fprintf(trace, "^%c", (*s) ^ 0100);
else
- putc (*s,trace);
+ putc(*s, trace);
}
- fprintf (trace,"\"\n");
- fflush (trace);
+ fprintf(trace, "\"\n");
+ fflush(trace);
#endif
while (*l)
- writec (*l++);
+ writec(*l++);
}
-proll () {
- if (d0)
- swap;
+void
+proll(struct move *mm)
+{
+ if (mm->d0)
+ mswap(mm);
if (cturn == 1)
- writel ("Red's roll: ");
+ writel("Red's roll: ");
else
- writel ("White's roll: ");
- writec (D0+'0');
- writec ('\040');
- writec (D1+'0');
+ writel("White's roll: ");
+ writec(mm->D0 + '0');
+ writec('\040');
+ writec(mm->D1 + '0');
if (tflag)
cline();
}
-wrint (n)
-int n;
+void
+wrint(int n)
{
- register int i, j, t;
+ int i, j, t;
- for (i = 4; i > 0; i--) {
+ for (i = 4; i > 0; i--) {
t = 1;
- for (j = 0; j<i; j++)
+ for (j = 0; j < i; j++)
t *= 10;
- if (n > t-1)
- writec ((n/t)%10+'0');
+ if (n > t - 1)
+ writec((n / t) % 10 + '0');
}
- writec (n%10+'0');
+ writec(n % 10 + '0');
}
-gwrite() {
- register int r, c;
+void
+gwrite(void)
+{
+ int r, c;
- if (tflag) {
+ r = c = 0;
+ if (tflag) {
r = curr;
c = curc;
- curmove (16,0);
+ curmove(16, 0);
}
-
- if (gvalue > 1) {
- writel ("Game value: ");
- wrint (gvalue);
- writel (". ");
+ if (gvalue > 1) {
+ writel("Game value: ");
+ wrint(gvalue);
+ writel(". ");
if (dlast == -1)
- writel (color[0]);
+ writel(color[0]);
else
- writel (color[1]);
- writel (" doubled last.");
- } else {
- switch (pnum) {
- case -1: /* player is red */
- writel (plred);
+ writel(color[1]);
+ writel(" doubled last.");
+ } else {
+ switch (pnum) {
+ case -1: /* player is red */
+ writel(plred);
break;
- case 0: /* player is both colors */
- writel (nocomp);
+ case 0: /* player is both colors */
+ writel(nocomp);
break;
- case 1: /* player is white */
- writel (plwhite);
+ case 1: /* player is white */
+ writel(plwhite);
}
}
- if (rscore || wscore) {
- writel (" ");
+ if (rscore || wscore) {
+ writel(" ");
wrscore();
}
-
- if (tflag) {
+ if (tflag) {
cline();
- curmove (r,c);
+ curmove(r, c);
}
}
-quit () {
- register int i;
+int
+quit(struct move *mm)
+{
- if (tflag) {
- curmove (20,0);
+ if (tflag) {
+ curmove(20, 0);
clend();
} else
- writec ('\n');
- writel ("Are you sure you want to quit?");
- if (yorn (0)) {
- if (rfl) {
- writel ("Would you like to save this game?");
+ writec('\n');
+ writel("Are you sure you want to quit?");
+ if (yorn(0)) {
+ if (rfl) {
+ writel("Would you like to save this game?");
if (yorn(0))
- save(0);
+ save(mm, 0);
}
cturn = 0;
return (1);
return (0);
}
-yorn (special)
-register char special; /* special response */
+int
+yorn(int special)
{
- register char c;
- register int i;
+ char c;
+ int i;
i = 1;
- while ( (c = readc()) != 'Y' && c != 'N') {
+ while ((c = readc()) != 'Y' && c != 'N') {
if (special && c == special)
return (2);
- if (i) {
- if (special) {
- writel (" (Y, N, or ");
- writec (special);
- writec (')');
+ if (i) {
+ if (special) {
+ writel(" (Y, N, or ");
+ writec(special);
+ writec(')');
} else
- writel (" (Y or N)");
+ writel(" (Y or N)");
i = 0;
} else
- writec ('\007');
+ writec('\007');
}
if (c == 'Y')
- writel (" Yes.\n");
+ writel(" Yes.\n");
else
- writel (" No.\n");
+ writel(" No.\n");
if (tflag)
buflush();
return (c == 'Y');
}
-wrhit (i)
-register int i;
+void
+wrhit(int i)
{
- writel ("Blot hit on ");
- wrint (i);
- writec ('.');
- writec ('\n');
+ writel("Blot hit on ");
+ wrint(i);
+ writec('.');
+ writec('\n');
}
-nexturn () {
- register int c;
+void
+nexturn(void)
+{
+ int c;
cturn = -cturn;
- c = cturn/abs(cturn);
+ c = cturn / abs(cturn);
home = bar;
- bar = 25-bar;
+ bar = 25 - bar;
offptr += c;
offopp -= c;
inptr += c;
colorptr += c;
}
-getarg (arg)
-register char ***arg;
-
+void
+getarg(struct move *mm, char ***arg)
{
- register char **s;
+ char **s;
- /* process arguments here. dashes are ignored, nbrw are ignored
- if the game is being recovered */
+ /* process arguments here. dashes are ignored, nbrw are ignored if
+ * the game is being recovered */
s = *arg;
- while (s[0][0] == '-') {
- switch (s[0][1]) {
+ while (*s && s[0][0] == '-') {
+ switch (s[0][1]) {
- /* don't ask if rules or instructions needed */
+ /* don't ask if rules or instructions needed */
case 'n':
if (rflag)
break;
args[acnt++] = 'n';
break;
- /* player is both read and white */
+ /* player is both red and white */
case 'b':
if (rflag)
break;
args[acnt++] = 'b';
break;
- /* player is red */
+ /* player is red */
case 'r':
if (rflag)
break;
args[acnt++] = 'r';
break;
- /* player is white */
+ /* player is white */
case 'w':
if (rflag)
break;
args[acnt++] = 'w';
break;
- /* print board after move according to following character */
+ /* print board after move according to following
+ * character */
case 'p':
if (s[0][2] != 'r' && s[0][2] != 'w' && s[0][2] != 'b')
break;
case 't':
if (s[0][2] == '\0') { /* get terminal caps */
s++;
- tflag = getcaps (*s);
+ tflag = getcaps(*s);
} else
- tflag = getcaps (&s[0][2]);
+ tflag = getcaps(&s[0][2]);
break;
case 's':
s++;
/* recover file */
- recover (s[0]);
+ if (s[0] == NULL) {
+ writel("No save file named\n");
+ getout(0);
+ } else
+ recover(mm, s[0]);
break;
}
s++;
}
if (s[0] != 0)
- recover(s[0]);
+ recover(mm, s[0]);
}
-init () {
- register int i;
+void
+init(void)
+{
+ int i;
+
for (i = 0; i < 26;)
board[i++] = 0;
board[1] = 2;
dlast = 0;
}
-wrscore () {
- writel ("Score: ");
- writel (color[1]);
- writec (' ');
- wrint (rscore);
- writel (", ");
- writel (color[0]);
- writec (' ');
- wrint (wscore);
+void
+wrscore(void)
+{
+ writel("Score: ");
+ writel(color[1]);
+ writec(' ');
+ wrint(rscore);
+ writel(", ");
+ writel(color[0]);
+ writec(' ');
+ wrint(wscore);
}
-fixtty (t)
-struct termios *t;
+void
+fixtty(struct termios *t)
{
if (tflag)
newpos();
buflush();
- if (tcsetattr (0, TCSADRAIN, t) < 0)
+ if (tcsetattr(0, TCSADRAIN, t) < 0)
errexit("fixtty");
}
-getout () {
+void
+getout(int dummy __unused)
+{
/* go to bottom of screen */
- if (tflag) {
- curmove (23,0);
+ if (tflag) {
+ curmove(23, 0);
cline();
} else
- writec ('\n');
+ writec('\n');
/* fix terminal status */
- fixtty (&old);
+ fixtty(&old);
exit(0);
}
-roll () {
- register char c;
- register int row;
- register int col;
- if (iroll) {
- if (tflag) {
+void
+roll(struct move *mm)
+{
+ char c;
+ int row;
+ int col;
+
+ row = col = 0;
+ if (iroll) {
+ if (tflag) {
row = curr;
col = curc;
- curmove (17,0);
+ curmove(17, 0);
} else
- writec ('\n');
- writel ("ROLL: ");
+ writec('\n');
+ writel("ROLL: ");
c = readc();
- if (c != '\n') {
+ if (c != '\n') {
while (c < '1' || c > '6')
c = readc();
- D0 = c-'0';
- writec (' ');
- writec (c);
+ mm->D0 = c - '0';
+ writec(' ');
+ writec(c);
c = readc();
while (c < '1' || c > '6')
c = readc();
- D1 = c-'0';
- writec (' ');
- writec (c);
- if (tflag) {
- curmove (17,0);
+ mm->D1 = c - '0';
+ writec(' ');
+ writec(c);
+ if (tflag) {
+ curmove(17, 0);
cline();
- curmove (row,col);
+ curmove(row, col);
} else
- writec ('\n');
+ writec('\n');
return;
}
- if (tflag) {
- curmove (17,0);
+ if (tflag) {
+ curmove(17, 0);
cline();
- curmove (row,col);
+ curmove(row, col);
} else
- writec ('\n');
+ writec('\n');
}
- D0 = rnum(6)+1;
- D1 = rnum(6)+1;
- d0 = 0;
+ mm->D0 = rnum(6) + 1;
+ mm->D1 = rnum(6) + 1;
+ mm->d0 = 0;
}
git.ckatri.com / bsdgames-darwin.git / blobdiff