xref: /netbsd/games/canfield/cfscores/cfscores.c (revision 6550d01e)
1 /*	$NetBSD: cfscores.c,v 1.21 2010/01/03 17:08:45 dholland Exp $	*/
2 
3 /*
4  * Copyright (c) 1983, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. Neither the name of the University nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  */
31 
32 #include <sys/cdefs.h>
33 #ifndef lint
34 __COPYRIGHT("@(#) Copyright (c) 1983, 1993\
35  The Regents of the University of California.  All rights reserved.");
36 #endif /* not lint */
37 
38 #ifndef lint
39 #if 0
40 static char sccsid[] = "@(#)cfscores.c	8.1 (Berkeley) 5/31/93";
41 #else
42 __RCSID("$NetBSD: cfscores.c,v 1.21 2010/01/03 17:08:45 dholland Exp $");
43 #endif
44 #endif /* not lint */
45 
46 #include <sys/types.h>
47 #include <err.h>
48 #include <fcntl.h>
49 #include <pwd.h>
50 #include <stdio.h>
51 #include <stdlib.h>
52 #include <string.h>
53 #include <unistd.h>
54 #include "betinfo.h"
55 #include "pathnames.h"
56 
57 static int dbfd;
58 
59 static void printuser(const struct passwd *, int);
60 
61 int
62 main(int argc, char *argv[])
63 {
64 	struct passwd *pw;
65 	uid_t uid;
66 
67 	/* Revoke setgid privileges */
68 	setgid(getgid());
69 
70 	if (argc > 2) {
71 		fprintf(stderr, "Usage: %s -a | %s [user]\n",
72 			getprogname(), getprogname());
73 		exit(1);
74 	}
75 	dbfd = open(_PATH_SCORE, O_RDONLY);
76 	if (dbfd < 0)
77 		err(2, "open %s", _PATH_SCORE);
78 	setpwent();
79 	if (argc == 1) {
80 		uid = getuid();
81 		pw = getpwuid(uid);
82 		if (pw == NULL) {
83 			errx(2, "You are not listed in the password file?!?");
84 		}
85 		printuser(pw, 1);
86 		exit(0);
87 	}
88 	if (strcmp(argv[1], "-a") == 0) {
89 		while ((pw = getpwent()) != NULL)
90 			printuser(pw, 0);
91 		exit(0);
92 	}
93 	pw = getpwnam(argv[1]);
94 	if (pw == NULL) {
95 		errx(3, "User %s unknown", argv[1]);
96 	}
97 	printuser(pw, 1);
98 	exit(0);
99 }
100 
101 /*
102  * print out info for specified password entry
103  */
104 static void
105 printuser(const struct passwd *pw, int printfail)
106 {
107 	struct betinfo total;
108 	off_t pos;
109 	int i;
110 
111 	pos = pw->pw_uid * (off_t)sizeof(struct betinfo);
112 	/* test pos, not pw_uid; uid_t can be unsigned, which makes gcc warn */
113 	if (pos < 0) {
114 		warnx("Bad uid %d", (int)pw->pw_uid);
115 		return;
116 	}
117 	i = lseek(dbfd, pos, SEEK_SET);
118 	if (i < 0)
119 		warn("lseek %s", _PATH_SCORE);
120 	i = read(dbfd, &total, sizeof(total));
121 	if (i < 0)
122 		warn("read %s", _PATH_SCORE);
123 	if (i == 0 || total.hand == 0) {
124 		if (printfail)
125 			printf("%s has never played canfield.\n", pw->pw_name);
126 		return;
127 	}
128 	printf("*----------------------*\n");
129 	if (total.worth >= 0)
130 		printf("* Winnings for %-8s*\n", pw->pw_name);
131 	else
132 		printf("* Losses for %-10s*\n", pw->pw_name);
133 	printf("*======================*\n");
134 	printf("|Costs           Total |\n");
135 	printf("| Hands       %8ld |\n", total.hand);
136 	printf("| Inspections %8ld |\n", total.inspection);
137 	printf("| Games       %8ld |\n", total.game);
138 	printf("| Runs        %8ld |\n", total.runs);
139 	printf("| Information %8ld |\n", total.information);
140 	printf("| Think time  %8ld |\n", total.thinktime);
141 	printf("|Total Costs  %8ld |\n", total.wins - total.worth);
142 	printf("|Winnings     %8ld |\n", total.wins);
143 	printf("|Net Worth    %8ld |\n", total.worth);
144 	printf("*----------------------*\n\n");
145 }
146