initial import of 386bsd-0.1 sources

1 files changed, 359 insertions, 0 deletions

diff --git a/monop/misc.c b/monop/misc.c
new file mode 100644
index 00000000..836437a4
--- /dev/null
+++ b/monop/misc.c
@@ -0,0 +1,359 @@
+/*
+ * 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[] = "@(#)misc.c	5.5 (Berkeley) 2/28/91";
+#endif /* not lint */
+
+# include	"monop.ext"
+# include	<ctype.h>
+# include	<signal.h>
+
+# define	execsh(sh)	execl(sh, shell_name[roll(1, num_names)-1], 0)
+
+static char	*shell_def	= "/bin/csh",
+		*shell_name[]	= {
+			".Hi Mom!",
+			".Kick Me",
+			".I'm really the next process down",
+			".Hi Kids!",
+			".This space for rent",
+			".Singin' in the rain....",
+			".I am but a Cog in the Wheel of Life",
+			".Look out!!! Behind you!!!!!",
+			".Looking for a good time, sailor?",
+			".I don't get NO respect...",
+			".Augghh!  You peeked!"
+		};
+
+static int	num_names	= sizeof shell_name / sizeof (char *);;
+
+char	*shell_in();
+
+/*
+ *	This routine executes a truncated set of commands until a
+ * "yes or "no" answer is gotten.
+ */
+getyn(prompt)
+reg char	*prompt; {
+
+	reg int	com;
+
+	for (;;)
+		if ((com=getinp(prompt, yn)) < 2)
+			return com;
+		else
+			(*func[com-2])();
+}
+/*
+ *	This routine tells the player if he's out of money.
+ */
+notify() {
+
+	if (cur_p->money < 0)
+		printf("That leaves you $%d in debt\n", -cur_p->money);
+	else if (cur_p->money == 0)
+		printf("that leaves you broke\n");
+	else if (fixing && !told_em && cur_p->money > 0) {
+		printf("-- You are now Solvent ---\n");
+		told_em = TRUE;
+	}
+}
+/*
+ *	This routine switches to the next player
+ */
+next_play() {
+
+	player = ++player % num_play;
+	cur_p = &play[player];
+	num_doub = 0;
+}
+/*
+ *	This routine gets an integer from the keyboard after the
+ * given prompt.
+ */
+get_int(prompt)
+reg char	*prompt; {
+
+	reg int		num;
+	reg char	*sp;
+	char		buf[257];
+
+	for (;;) {
+inter:
+		printf(prompt);
+		num = 0;
+		for (sp = buf; (*sp=getchar()) != '\n'; sp++)
+			if (*sp == -1)	/* check for interrupted system call */
+				goto inter;
+		if (sp == buf)
+			continue;
+		for (sp = buf; isspace(*sp); sp++)
+			continue;
+		for (; isdigit(*sp); sp++)
+			num = num * 10 + *sp - '0';
+		if (*sp == '\n')
+			return num;
+		else
+			printf("I can't understand that\n");
+	}
+}
+/*
+ *	This routine sets the monopoly flag from the list given.
+ */
+set_ownlist(pl)
+int	pl; {
+
+	reg int	num;		/* general counter		*/
+	reg MON	*orig;		/* remember starting monop ptr	*/
+	reg OWN	*op;		/* current owned prop		*/
+	OWN	*orig_op;		/* origianl prop before loop	*/
+
+	op = play[pl].own_list;
+#ifdef DEBUG
+	printf("op [%d] = play[pl [%d] ].own_list;\n", op, pl);
+#endif
+	while (op) {
+#ifdef DEBUG
+		printf("op->sqr->type = %d\n", op->sqr->type);
+#endif
+		switch (op->sqr->type) {
+		  case UTIL:
+#ifdef DEBUG
+			printf("  case UTIL:\n");
+#endif
+			for (num = 0; op && op->sqr->type == UTIL; op = op->next)
+				num++;
+			play[pl].num_util = num;
+#ifdef DEBUG
+			printf("play[pl].num_util = num [%d];\n", num);
+#endif
+			break;
+		  case RR:
+#ifdef DEBUG
+			printf("  case RR:\n");
+#endif
+			for (num = 0; op && op->sqr->type == RR; op = op->next) {
+#ifdef DEBUG
+				printf("iter: %d\n", num);
+				printf("op = %d, op->sqr = %d, op->sqr->type = %d\n", op, op->sqr, op->sqr->type);
+#endif
+				num++;
+			}
+			play[pl].num_rr = num;
+#ifdef DEBUG
+			printf("play[pl].num_rr = num [%d];\n", num);
+#endif
+			break;
+		  case PRPTY:
+#ifdef DEBUG
+			printf("  case PRPTY:\n");
+#endif
+			orig = op->sqr->desc->mon_desc;
+			orig_op = op;
+			num = 0;
+			while (op && op->sqr->desc->mon_desc == orig) {
+#ifdef DEBUG
+				printf("iter: %d\n", num);
+#endif
+				num++;
+#ifdef DEBUG
+				printf("op = op->next ");
+#endif
+				op = op->next;
+#ifdef DEBUG
+				printf("[%d];\n", op);
+#endif
+			}
+#ifdef DEBUG
+			printf("num = %d\n");
+#endif
+			if (orig == 0) {
+				printf("panic:  bad monopoly descriptor: orig = %d\n", orig);
+				printf("player # %d\n", pl+1);
+				printhold(pl);
+				printf("orig_op = %d\n", orig_op);
+				printf("orig_op->sqr->type = %d (PRPTY)\n", op->sqr->type);
+				printf("orig_op->next = %d\n", op->next);
+				printf("orig_op->sqr->desc = %d\n", op->sqr->desc);
+				printf("op = %d\n", op);
+				printf("op->sqr->type = %d (PRPTY)\n", op->sqr->type);
+				printf("op->next = %d\n", op->next);
+				printf("op->sqr->desc = %d\n", op->sqr->desc);
+				printf("num = %d\n", num);
+			}
+#ifdef DEBUG
+			printf("orig->num_in = %d\n", orig->num_in);
+#endif
+			if (num == orig->num_in)
+				is_monop(orig, pl);
+			else
+				isnot_monop(orig);
+			break;
+		}
+	}
+}
+/*
+ *	This routine sets things up as if it is a new monopoly
+ */
+is_monop(mp, pl)
+reg MON	*mp;
+int	pl; {
+
+	reg char	*sp;
+	reg int		i;
+
+	mp->owner = pl;
+	mp->num_own = mp->num_in;
+	for (i = 0; i < mp->num_in; i++)
+		mp->sq[i]->desc->monop = TRUE;
+	mp->name = mp->mon_n;
+}
+/*
+ *	This routine sets things up as if it is no longer a monopoly
+ */
+isnot_monop(mp)
+reg MON	*mp; {
+
+	reg char	*sp;
+	reg int		i;
+
+	mp->owner = -1;
+	for (i = 0; i < mp->num_in; i++)
+		mp->sq[i]->desc->monop = FALSE;
+	mp->name = mp->not_m;
+}
+/*
+ *	This routine gives a list of the current player's routine
+ */
+list() {
+
+	printhold(player);
+}
+/*
+ *	This routine gives a list of a given players holdings
+ */
+list_all() {
+
+	reg int	pl;
+
+	while ((pl=getinp("Whose holdings do you want to see? ", name_list)) < num_play)
+		printhold(pl);
+}
+/*
+ *	This routine gives the players a chance before it exits.
+ */
+void
+quit() {
+
+	putchar('\n');
+	if (getyn("Do you all really want to quit? ", yn) == 0)
+		exit(0);
+	signal(SIGINT, quit);
+}
+/*
+ *	This routine copies one structure to another
+ */
+cpy_st(s1, s2, size)
+reg int	*s1, *s2, size; {
+
+	size /= 2;
+	while (size--)
+		*s1++ = *s2++;
+}
+/*
+ *	This routine forks off a shell.  It uses the users login shell
+ */
+shell_out() {
+
+	static char	*shell = NULL;
+
+	printline();
+	if (shell == NULL)
+		shell = shell_in();
+	fflush(stdout);
+	if (!fork()) {
+		signal(SIGINT, SIG_DFL);
+		execsh(shell);
+	}
+	ignoresigs();
+	wait();
+	resetsigs();
+	putchar('\n');
+	printline();
+}
+/*
+ *	This routine looks up the users login shell
+ */
+# include	<sys/types.h>
+# include	<pwd.h>
+
+char		*getenv();
+
+char *
+shell_in() {
+
+	reg struct passwd	*pp;
+	reg char		*sp;
+
+	if ((sp = getenv("SHELL")) == NULL) {
+		pp = getpwuid(getuid());
+		if (pp->pw_shell[0] != '\0')
+			return pp->pw_shell;
+		else
+			return shell_def;
+		/*return (*(pp->pw_shell) != '\0' ? pp->pw_shell : shell_def);*/
+	}
+	return sp;
+}
+/*
+ *	This routine sets things up to ignore all the signals.
+ */
+ignoresigs() {
+
+	reg int	i;
+
+	for (i = 0; i < NSIG; i++)
+		signal(i, SIG_IGN);
+}
+/*
+ *	This routine sets up things as they were before.
+ */
+resetsigs() {
+
+	reg int	i;
+
+	for (i = 0; i < NSIG; i++)
+		signal(i, SIG_DFL);
+	signal(SIGINT, quit);
+}