135 lines
3.9 KiB
C
135 lines
3.9 KiB
C
/* $NetBSD: snscore.c,v 1.13 2000/05/08 07:56:05 mycroft Exp $ */
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/*
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* Copyright (c) 1980, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__COPYRIGHT("@(#) Copyright (c) 1980, 1993\n\
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The Regents of the University of California. All rights reserved.\n");
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#endif /* not lint */
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)snscore.c 8.1 (Berkeley) 7/19/93";
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#else
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__RCSID("$NetBSD: snscore.c,v 1.13 2000/05/08 07:56:05 mycroft Exp $");
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#endif
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#endif /* not lint */
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#include <sys/types.h>
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#include <err.h>
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#include <pwd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "pathnames.h"
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const char *recfile = _PATH_RAWSCORES;
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#define MAXPLAYERS 256
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struct player {
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short uids;
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short scores;
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char *name;
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} players[MAXPLAYERS], temp;
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int main __P((void));
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int
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main()
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{
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short uid, score;
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FILE *fd;
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int noplayers;
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int i, j, notsorted;
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short whoallbest, allbest;
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const char *q;
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struct passwd *p;
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/* Revoke setgid privileges */
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setgid(getgid());
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fd = fopen(recfile, "r");
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if (fd == NULL)
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err(1, "opening `%s'", recfile);
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printf("Snake players scores to date\n");
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if (fread(&whoallbest, sizeof(short), 1, fd) == 0) {
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printf("No scores recorded yet!\n");
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exit(0);
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}
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fread(&allbest, sizeof(short), 1, fd);
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noplayers = 0;
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for (uid = 2; ;uid++) {
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if(fread(&score, sizeof(short), 1, fd) == 0)
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break;
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if (score > 0) {
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if (noplayers > MAXPLAYERS) {
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printf("too many players\n");
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exit(2);
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}
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players[noplayers].uids = uid;
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players[noplayers].scores = score;
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p = getpwuid(uid);
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if (p == NULL)
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continue;
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q = p -> pw_name;
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players[noplayers].name = strdup(q);
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if (players[noplayers].name == NULL)
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err(1, NULL);
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noplayers++;
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}
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}
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/* bubble sort scores */
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for (notsorted = 1; notsorted; ) {
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notsorted = 0;
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for (i = 0; i < noplayers - 1; i++)
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if (players[i].scores < players[i + 1].scores) {
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temp = players[i];
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players[i] = players[i + 1];
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players[i + 1] = temp;
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notsorted++;
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}
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}
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j = 1;
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for (i = 0; i < noplayers; i++) {
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printf("%d:\t$%d\t%s\n", j, players[i].scores, players[i].name);
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if (players[i].scores > players[i + 1].scores)
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j = i + 2;
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}
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exit(0);
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}
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