1 /* 2 * Copyright (c) 1980, 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) 1980, 1993 The Regents of the University of California. All rights reserved. 34 * @(#)snscore.c 8.1 (Berkeley) 7/19/93 35 * $FreeBSD: src/games/snake/snscore/snscore.c,v 1.5 1999/11/30 03:49:42 billf Exp $ 36 * $DragonFly: src/games/snake/snscore/snscore.c,v 1.4 2006/09/03 23:47:56 pavalos Exp $ 37 */ 38 39 #include <sys/types.h> 40 #include <err.h> 41 #include <pwd.h> 42 #include <stdio.h> 43 #include <stdlib.h> 44 #include <string.h> 45 #include <unistd.h> 46 #include "pathnames.h" 47 48 const char *recfile = _PATH_RAWSCORES; 49 #define MAXPLAYERS 256 50 51 struct player { 52 short uids; 53 short scores; 54 char *name; 55 } players[MAXPLAYERS], temp; 56 57 int 58 main(void) 59 { 60 short uid, score; 61 FILE *fd; 62 int noplayers; 63 int i, j, notsorted; 64 short whoallbest, allbest; 65 const char *q; 66 struct passwd *p; 67 68 /* Revoke setgid privileges */ 69 setgid(getgid()); 70 71 fd = fopen(recfile, "r"); 72 if (fd == NULL) 73 err(1, "opening `%s'", recfile); 74 printf("Snake players scores to date\n"); 75 if (fread(&whoallbest, sizeof(short), 1, fd) == 0) { 76 printf("No scores recorded yet!\n"); 77 exit(0); 78 } 79 fread(&allbest, sizeof(short), 1, fd); 80 noplayers = 0; 81 for (uid = 2; ;uid++) { 82 if(fread(&score, sizeof(short), 1, fd) == 0) 83 break; 84 if (score > 0) { 85 if (noplayers >= MAXPLAYERS) { 86 printf("too many players\n"); 87 exit(2); 88 } 89 players[noplayers].uids = uid; 90 players[noplayers].scores = score; 91 p = getpwuid(uid); 92 if (p == NULL) 93 continue; 94 q = p -> pw_name; 95 players[noplayers].name = strdup(q); 96 if (players[noplayers].name == NULL) 97 err(1, NULL); 98 noplayers++; 99 } 100 } 101 102 /* bubble sort scores */ 103 for (notsorted = 1; notsorted; ) { 104 notsorted = 0; 105 for (i = 0; i < noplayers - 1; i++) 106 if (players[i].scores < players[i + 1].scores) { 107 temp = players[i]; 108 players[i] = players[i + 1]; 109 players[i + 1] = temp; 110 notsorted++; 111 } 112 } 113 114 j = 1; 115 for (i = 0; i < noplayers; i++) { 116 printf("%d:\t$%d\t%s\n", j, players[i].scores, players[i].name); 117 if (players[i].scores > players[i + 1].scores) 118 j = i + 2; 119 } 120 exit(0); 121 } 122