snake/snscore/snscore.c

   1 /*      $NetBSD: snscore.c,v 1.5 1995/04/24 12:25:43 cgd Exp $  */
   2
   3 /*
   4  * Copyright (c) 1980, 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. All advertising materials mentioning features or use of this software
  16  *    must display the following acknowledgement:
  17  *      This product includes software developed by the University of
  18  *      California, Berkeley and its contributors.
  19  * 4. Neither the name of the University nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35
  36 #ifndef lint
  37 static char copyright[] =
  38 "@(#) Copyright (c) 1980, 1993\n\
  39         The Regents of the University of California.  All rights reserved.\n";
  40 #endif /* not lint */
  41
  42 #ifndef lint
  43 #if 0
  44 static char sccsid[] = "@(#)snscore.c   8.1 (Berkeley) 7/19/93";
  45 #else
  46 static char rcsid[] = "$NetBSD: snscore.c,v 1.5 1995/04/24 12:25:43 cgd Exp $";
  47 #endif
  48 #endif /* not lint */
  49
  50 #include <sys/types.h>
  51 #include <pwd.h>
  52 #include <stdio.h>
  53 #include <stdlib.h>
  54 #include <string.h>
  55 #include "pathnames.h"
  56
  57 char *recfile = _PATH_RAWSCORES;
  58 #define MAXPLAYERS 256
  59
  60 struct  player  {
  61         short   uids;
  62         short   scores;
  63         char    *name;
  64 } players[MAXPLAYERS], temp;
  65
  66 int
  67 main()
  68 {
  69         short   uid, score;
  70         FILE    *fd;
  71         int     noplayers;
  72         int     i, j, notsorted;
  73         short   whoallbest, allbest;
  74         char    *q;
  75         struct  passwd  *p;
  76
  77         fd = fopen(recfile, "r");
  78         if (fd == NULL) {
  79                 perror(recfile);
  80                 exit(1);
  81         }
  82         printf("Snake players scores to date\n");
  83         fread(&whoallbest, sizeof(short), 1, fd);
  84         fread(&allbest, sizeof(short), 1, fd);
  85         noplayers = 0;
  86         for (uid = 2; ;uid++) {
  87                 if(fread(&score, sizeof(short), 1, fd) == 0)
  88                         break;
  89                 if (score > 0) {
  90                         if (noplayers > MAXPLAYERS) {
  91                                 printf("too many players\n");
  92                                 exit(2);
  93                         }
  94                         players[noplayers].uids = uid;
  95                         players[noplayers].scores = score;
  96                         p = getpwuid(uid);
  97                         if (p == NULL)
  98                                 continue;
  99                         q = p -> pw_name;
 100                         players[noplayers].name = malloc(strlen(q) + 1);
 101                         strcpy(players[noplayers].name, q);
 102                         noplayers++;
 103                 }
 104         }
 105
 106         /* bubble sort scores */
 107         for (notsorted = 1; notsorted; ) {
 108                 notsorted = 0;
 109                 for (i = 0; i < noplayers - 1; i++)
 110                         if (players[i].scores < players[i + 1].scores) {
 111                                 temp = players[i];
 112                                 players[i] = players[i + 1];
 113                                 players[i + 1] = temp;
 114                                 notsorted++;
 115                         }
 116         }
 117
 118         j = 1;
 119         for (i = 0; i < noplayers; i++) {
 120                 printf("%d:\t$%d\t%s\n", j, players[i].scores, players[i].name);
 121                 if (players[i].scores > players[i + 1].scores)
 122                         j = i + 2;
 123         }
 124         exit(0);
 125 }