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. 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  * @(#) Copyright (c) 1983, 1993 The Regents of the University of California.  All rights reserved.
34  * @(#)cfscores.c	8.1 (Berkeley) 5/31/93
35  * $FreeBSD: src/games/canfield/cfscores/cfscores.c,v 1.9 1999/12/12 07:25:14 billf Exp $
36  * $DragonFly: src/games/canfield/cfscores/cfscores.c,v 1.3 2003/11/12 14:53:52 eirikn Exp $
37  */
38 
39 #include <sys/types.h>
40 #include <pwd.h>
41 #include <fcntl.h>
42 #include <unistd.h>
43 #include <stdio.h>
44 #include "pathnames.h"
45 
46 struct betinfo {
47 	long	hand;		/* cost of dealing hand */
48 	long	inspection;	/* cost of inspecting hand */
49 	long	game;		/* cost of buying game */
50 	long	runs;		/* cost of running through hands */
51 	long	information;	/* cost of information */
52 	long	thinktime;	/* cost of thinking time */
53 	long	wins;		/* total winnings */
54 	long	worth;		/* net worth after costs */
55 };
56 
57 int dbfd;
58 
59 void printuser (struct passwd *, int);
60 
61 int
62 main(argc, argv)
63 	int argc;
64 	char *argv[];
65 {
66 	struct passwd *pw;
67 	int uid;
68 
69 	if (argc > 2) {
70 		printf("Usage: cfscores [user]\n");
71 		exit(1);
72 	}
73 	dbfd = open(_PATH_SCORE, O_RDONLY);
74 	if (dbfd < 0) {
75 		perror(_PATH_SCORE);
76 		exit(2);
77 	}
78 
79 	setpwent();
80 	if (argc == 1) {
81 		uid = getuid();
82 		pw = getpwuid(uid);
83 		if (pw == 0) {
84 			printf("You are not listed in the password file?!?\n");
85 			exit(2);
86 		}
87 		printuser(pw, 1);
88 		exit(0);
89 	}
90 	if (strcmp(argv[1], "-a") == 0) {
91 		while ((pw = getpwent()) != 0)
92 			printuser(pw, 0);
93 		exit(0);
94 	}
95 	pw = getpwnam(argv[1]);
96 	if (pw == 0) {
97 		printf("User %s unknown\n", argv[1]);
98 		exit(3);
99 	}
100 	printuser(pw, 1);
101 	exit(0);
102 }
103 
104 /*
105  * print out info for specified password entry
106  */
107 void
108 printuser(pw, printfail)
109 	struct passwd *pw;
110 	int printfail;
111 {
112 	struct betinfo total;
113 	int i;
114 
115 	if (pw->pw_uid < 0) {
116 		printf("Bad uid %d\n", pw->pw_uid);
117 		return;
118 	}
119 	i = lseek(dbfd, pw->pw_uid * sizeof(struct betinfo), SEEK_SET);
120 	if (i < 0) {
121 		perror("lseek");
122 		return;
123 	}
124 	i = read(dbfd, (char *)&total, sizeof(total));
125 	if (i < 0) {
126 		perror("read");
127 		return;
128 	}
129 	if (i == 0 || total.hand == 0) {
130 		if (printfail)
131 			printf("%s has never played canfield.\n", pw->pw_name);
132 		return;
133 	}
134 	printf("*----------------------*\n");
135 	if (total.worth >= 0)
136 		printf("* Winnings for %-8s*\n", pw->pw_name);
137 	else
138 		printf("* Losses for %-10s*\n", pw->pw_name);
139 	printf("*======================*\n");
140 	printf("|Costs           Total |\n");
141 	printf("| Hands       %8ld |\n", total.hand);
142 	printf("| Inspections %8ld |\n", total.inspection);
143 	printf("| Games       %8ld |\n", total.game);
144 	printf("| Runs        %8ld |\n", total.runs);
145 	printf("| Information %8ld |\n", total.information);
146 	printf("| Think time  %8ld |\n", total.thinktime);
147 	printf("|Total Costs  %8ld |\n", total.wins - total.worth);
148 	printf("|Winnings     %8ld |\n", total.wins);
149 	printf("|Net Worth    %8ld |\n", total.worth);
150 	printf("*----------------------*\n\n");
151 }
152