canfield/cfscores/cfscores.c

   1 /*
   2  * Copyright (c) 1983 Regents of the University of California.
   3  * 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. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *      This product includes software developed by the University of
  16  *      California, Berkeley and its contributors.
  17  * 4. Neither the name of the University nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #ifndef lint
  35 char copyright[] =
  36 "@(#) Copyright (c) 1983 Regents of the University of California.\n\
  37  All rights reserved.\n";
  38 #endif /* not lint */
  39
  40 #ifndef lint
  41 static char sccsid[] = "@(#)cfscores.c  5.6 (Berkeley) 6/1/90";
  42 #endif /* not lint */
  43
  44 #include <sys/types.h>
  45 #include <pwd.h>
  46 #include "pathnames.h"
  47
  48 struct betinfo {
  49         long    hand;           /* cost of dealing hand */
  50         long    inspection;     /* cost of inspecting hand */
  51         long    game;           /* cost of buying game */
  52         long    runs;           /* cost of running through hands */
  53         long    information;    /* cost of information */
  54         long    thinktime;      /* cost of thinking time */
  55         long    wins;           /* total winnings */
  56         long    worth;          /* net worth after costs */
  57 };
  58
  59 int dbfd;
  60
  61 main(argc, argv)
  62         int argc;
  63         char *argv[];
  64 {
  65         register struct passwd *pw;
  66         int uid;
  67
  68         if (argc > 2) {
  69                 printf("Usage: cfscores [user]\n");
  70                 exit(1);
  71         }
  72         dbfd = open(_PATH_SCORE, 0);
  73         if (dbfd < 0) {
  74                 perror(_PATH_SCORE);
  75                 exit(2);
  76         }
  77         setpwent();
  78         if (argc == 1) {
  79                 uid = getuid();
  80                 pw = getpwuid(uid);
  81                 if (pw == 0) {
  82                         printf("You are not listed in the password file?!?\n");
  83                         exit(2);
  84                 }
  85                 printuser(pw, 1);
  86                 exit(0);
  87         }
  88         if (strcmp(argv[1], "-a") == 0) {
  89                 while ((pw = getpwent()) != 0)
  90                         printuser(pw, 0);
  91                 exit(0);
  92         }
  93         pw = getpwnam(argv[1]);
  94         if (pw == 0) {
  95                 printf("User %s unknown\n", argv[1]);
  96                 exit(3);
  97         }
  98         printuser(pw, 1);
  99         exit(0);
 100 }
 101
 102 /*
 103  * print out info for specified password entry
 104  */
 105 printuser(pw, printfail)
 106         register struct passwd *pw;
 107         int printfail;
 108 {
 109         struct betinfo total;
 110         int i;
 111
 112         if (pw->pw_uid < 0) {
 113                 printf("Bad uid %d\n", pw->pw_uid);
 114                 return;
 115         }
 116         i = lseek(dbfd, pw->pw_uid * sizeof(struct betinfo), 0);
 117         if (i < 0) {
 118                 perror("lseek");
 119                 return;
 120         }
 121         i = read(dbfd, (char *)&total, sizeof(total));
 122         if (i < 0) {
 123                 perror("read");
 124                 return;
 125         }
 126         if (i == 0 || total.hand == 0) {
 127                 if (printfail)
 128                         printf("%s has never played canfield.\n", pw->pw_name);
 129                 return;
 130         }
 131         printf("*----------------------*\n");
 132         if (total.worth >= 0)
 133                 printf("* Winnings for %-8s*\n", pw->pw_name);
 134         else
 135                 printf("* Losses for %-10s*\n", pw->pw_name);
 136         printf("*======================*\n");
 137         printf("|Costs           Total |\n");
 138         printf("| Hands       %8d |\n", total.hand);
 139         printf("| Inspections %8d |\n", total.inspection);
 140         printf("| Games       %8d |\n", total.game);
 141         printf("| Runs        %8d |\n", total.runs);
 142         printf("| Information %8d |\n", total.information);
 143         printf("| Think time  %8d |\n", total.thinktime);
 144         printf("|Total Costs  %8d |\n", total.wins - total.worth);
 145         printf("|Winnings     %8d |\n", total.wins);
 146         printf("|Net Worth    %8d |\n", total.worth);
 147         printf("*----------------------*\n\n");
 148 }