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 }
141