/* * Copyright (c) 1980 Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms are permitted * provided that the above copyright notice and this paragraph are * duplicated in all such forms and that any documentation, * advertising materials, and other materials related to such * distribution and use acknowledge that the software was developed * by the University of California, Berkeley. The name of the * University may not be used to endorse or promote products derived * from this software without specific prior written permission. * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ #ifndef lint static char sccsid[] = "@(#)misc.c 5.2 (Berkeley) 6/18/88"; #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. */ quit() { putchar('\n'); if (getyn("Do you all really want to quit? ", yn) == 0) exit(0); signal(2, 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(); if (!fork()) { signal(SIGINT, SIG_DFL); execsh(shell); } ignoresigs(); wait(); resetsigs(); putchar('\n'); printline(); } /* * This routine looks up the users login shell */ # include <pwd.h> struct passwd *getpwuid(); 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(2, quit); }