games/canfield/cfscores/cfscores.c

   1 /*-
   2  * Copyright (c) 1983, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the University nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  *
  29  * @(#) Copyright (c) 1983, 1993 The Regents of the University of California.  All rights reserved.
  30  * @(#)cfscores.c       8.1 (Berkeley) 5/31/93
  31  * $FreeBSD: src/games/canfield/cfscores/cfscores.c,v 1.9 1999/12/12 07:25:14 billf Exp $
  32  */
  33
  34 #include <sys/types.h>
  35 #include <fcntl.h>
  36 #include <pwd.h>
  37 #include <stdio.h>
  38 #include <stdlib.h>
  39 #include <string.h>
  40 #include <unistd.h>
  41 #include "pathnames.h"
  42
  43 struct betinfo {
  44         long    hand;           /* cost of dealing hand */
  45         long    inspection;     /* cost of inspecting hand */
  46         long    game;           /* cost of buying game */
  47         long    runs;           /* cost of running through hands */
  48         long    information;    /* cost of information */
  49         long    thinktime;      /* cost of thinking time */
  50         long    wins;           /* total winnings */
  51         long    worth;          /* net worth after costs */
  52 };
  53
  54 int dbfd;
  55
  56 static void printuser(struct passwd *, int);
  57
  58 int
  59 main(int argc, char *argv[])
  60 {
  61         struct passwd *pw;
  62         int uid;
  63
  64         if (argc > 2) {
  65                 printf("Usage: cfscores [user]\n");
  66                 exit(1);
  67         }
  68         dbfd = open(_PATH_SCORE, O_RDONLY);
  69         if (dbfd < 0) {
  70                 perror(_PATH_SCORE);
  71                 exit(2);
  72         }
  73
  74         setpwent();
  75         if (argc == 1) {
  76                 uid = getuid();
  77                 pw = getpwuid(uid);
  78                 if (pw == NULL) {
  79                         printf("You are not listed in the password file?!?\n");
  80                         exit(2);
  81                 }
  82                 printuser(pw, 1);
  83                 exit(0);
  84         }
  85         if (strcmp(argv[1], "-a") == 0) {
  86                 while ((pw = getpwent()) != NULL)
  87                         printuser(pw, 0);
  88                 exit(0);
  89         }
  90         pw = getpwnam(argv[1]);
  91         if (pw == NULL) {
  92                 printf("User %s unknown\n", argv[1]);
  93                 exit(3);
  94         }
  95         printuser(pw, 1);
  96         return (0);
  97 }
  98
  99 /*
 100  * print out info for specified password entry
 101  */
 102 static void
 103 printuser(struct passwd *pw, int printfail)
 104 {
 105         struct betinfo total;
 106         int i;
 107
 108         i = lseek(dbfd, pw->pw_uid * sizeof(struct betinfo), SEEK_SET);
 109         if (i < 0) {
 110                 perror("lseek");
 111                 return;
 112         }
 113         i = read(dbfd, (char *)&total, sizeof(total));
 114         if (i < 0) {
 115                 perror("read");
 116                 return;
 117         }
 118         if (i == 0 || total.hand == 0) {
 119                 if (printfail)
 120                         printf("%s has never played canfield.\n", pw->pw_name);
 121                 return;
 122         }
 123         printf("*----------------------*\n");
 124         if (total.worth >= 0)
 125                 printf("* Winnings for %-8s*\n", pw->pw_name);
 126         else
 127                 printf("* Losses for %-10s*\n", pw->pw_name);
 128         printf("*======================*\n");
 129         printf("|Costs           Total |\n");
 130         printf("| Hands       %8ld |\n", total.hand);
 131         printf("| Inspections %8ld |\n", total.inspection);
 132         printf("| Games       %8ld |\n", total.game);
 133         printf("| Runs        %8ld |\n", total.runs);
 134         printf("| Information %8ld |\n", total.information);
 135         printf("| Think time  %8ld |\n", total.thinktime);
 136         printf("|Total Costs  %8ld |\n", total.wins - total.worth);
 137         printf("|Winnings     %8ld |\n", total.wins);
 138         printf("|Net Worth    %8ld |\n", total.worth);
 139         printf("*----------------------*\n\n");
 140 }