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  * $DragonFly: src/games/canfield/cfscores/cfscores.c,v 1.4 2005/11/19 09:50:30 swildner Exp $
  33  */
  34
  35 #include <sys/types.h>
  36 #include <fcntl.h>
  37 #include <pwd.h>
  38 #include <stdio.h>
  39 #include <stdlib.h>
  40 #include <string.h>
  41 #include <unistd.h>
  42 #include "pathnames.h"
  43
  44 struct betinfo {
  45         long    hand;           /* cost of dealing hand */
  46         long    inspection;     /* cost of inspecting hand */
  47         long    game;           /* cost of buying game */
  48         long    runs;           /* cost of running through hands */
  49         long    information;    /* cost of information */
  50         long    thinktime;      /* cost of thinking time */
  51         long    wins;           /* total winnings */
  52         long    worth;          /* net worth after costs */
  53 };
  54
  55 int dbfd;
  56
  57 static void printuser(struct passwd *, int);
  58
  59 int
  60 main(int argc, char *argv[])
  61 {
  62         struct passwd *pw;
  63         int uid;
  64
  65         if (argc > 2) {
  66                 printf("Usage: cfscores [user]\n");
  67                 exit(1);
  68         }
  69         dbfd = open(_PATH_SCORE, O_RDONLY);
  70         if (dbfd < 0) {
  71                 perror(_PATH_SCORE);
  72                 exit(2);
  73         }
  74
  75         setpwent();
  76         if (argc == 1) {
  77                 uid = getuid();
  78                 pw = getpwuid(uid);
  79                 if (pw == 0) {
  80                         printf("You are not listed in the password file?!?\n");
  81                         exit(2);
  82                 }
  83                 printuser(pw, 1);
  84                 exit(0);
  85         }
  86         if (strcmp(argv[1], "-a") == 0) {
  87                 while ((pw = getpwent()) != 0)
  88                         printuser(pw, 0);
  89                 exit(0);
  90         }
  91         pw = getpwnam(argv[1]);
  92         if (pw == 0) {
  93                 printf("User %s unknown\n", argv[1]);
  94                 exit(3);
  95         }
  96         printuser(pw, 1);
  97         return (0);
  98 }
  99
 100 /*
 101  * print out info for specified password entry
 102  */
 103 static void
 104 printuser(struct passwd *pw, int printfail)
 105 {
 106         struct betinfo total;
 107         int i;
 108
 109         i = lseek(dbfd, pw->pw_uid * sizeof(struct betinfo), SEEK_SET);
 110         if (i < 0) {
 111                 perror("lseek");
 112                 return;
 113         }
 114         i = read(dbfd, (char *)&total, sizeof(total));
 115         if (i < 0) {
 116                 perror("read");
 117                 return;
 118         }
 119         if (i == 0 || total.hand == 0) {
 120                 if (printfail)
 121                         printf("%s has never played canfield.\n", pw->pw_name);
 122                 return;
 123         }
 124         printf("*----------------------*\n");
 125         if (total.worth >= 0)
 126                 printf("* Winnings for %-8s*\n", pw->pw_name);
 127         else
 128                 printf("* Losses for %-10s*\n", pw->pw_name);
 129         printf("*======================*\n");
 130         printf("|Costs           Total |\n");
 131         printf("| Hands       %8ld |\n", total.hand);
 132         printf("| Inspections %8ld |\n", total.inspection);
 133         printf("| Games       %8ld |\n", total.game);
 134         printf("| Runs        %8ld |\n", total.runs);
 135         printf("| Information %8ld |\n", total.information);
 136         printf("| Think time  %8ld |\n", total.thinktime);
 137         printf("|Total Costs  %8ld |\n", total.wins - total.worth);
 138         printf("|Winnings     %8ld |\n", total.wins);
 139         printf("|Net Worth    %8ld |\n", total.worth);
 140         printf("*----------------------*\n\n");
 141 }