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snscore.c revision 1.4 
      1 /*	$NetBSD: snscore.c,v 1.4 1995/04/22 08:34:43 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 1.4 1995/04/22 08:34:43 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 "pathnames.h"
     55 
     56 char *recfile = _PATH_RAWSCORES;
     57 #define MAXPLAYERS 256
     58 
     59 struct	player	{
     60 	short	uids;
     61 	short	scores;
     62 	char	*name;
     63 } players[MAXPLAYERS], temp;
     64 
     65 int
     66 main()
     67 {
     68 	short	uid, score;
     69 	FILE	*fd;
     70 	int	noplayers;
     71 	int	i, j, notsorted;
     72 	short	whoallbest, allbest;
     73 	char	*q;
     74 	struct	passwd	*p;
     75 
     76 	fd = fopen(recfile, "r");
     77 	if (fd == NULL) {
     78 		perror(recfile);
     79 		exit(1);
     80 	}
     81 	printf("Snake players scores to date\n");
     82 	fread(&whoallbest, sizeof(short), 1, fd);
     83 	fread(&allbest, sizeof(short), 1, fd);
     84 	noplayers = 0;
     85 	for (uid = 2; ;uid++) {
     86 		if(fread(&score, sizeof(short), 1, fd) == 0)
     87 			break;
     88 		if (score > 0) {
     89 			if (noplayers > MAXPLAYERS) {
     90 				printf("too many players\n");
     91 				exit(2);
     92 			}
     93 			players[noplayers].uids = uid;
     94 			players[noplayers].scores = score;
     95 			p = getpwuid(uid);
     96 			if (p == NULL)
     97 				continue;
     98 			q = p -> pw_name;
     99 			players[noplayers].name = malloc(strlen(q) + 1);
    100 			strcpy(players[noplayers].name, q);
    101 			noplayers++;
    102 		}
    103 	}
    104 
    105 	/* bubble sort scores */
    106 	for (notsorted = 1; notsorted; ) {
    107 		notsorted = 0;
    108 		for (i = 0; i < noplayers - 1; i++)
    109 			if (players[i].scores < players[i + 1].scores) {
    110 				temp = players[i];
    111 				players[i] = players[i + 1];
    112 				players[i + 1] = temp;
    113 				notsorted++;
    114 			}
    115 	}
    116 
    117 	j = 1;
    118 	for (i = 0; i < noplayers; i++) {
    119 		printf("%d:\t$%d\t%s\n", j, players[i].scores, players[i].name);
    120 		if (players[i].scores > players[i + 1].scores)
    121 			j = i + 2;
    122 	}
    123 	exit(0);
    124 }
    125