266 lines
7.2 KiB
C
266 lines
7.2 KiB
C
/* $OpenBSD: log.c,v 1.25 2019/06/28 13:32:52 deraadt Exp $ */
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/* $NetBSD: log.c,v 1.3 1995/03/21 15:04:21 cgd Exp $ */
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/*-
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Ed James.
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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. 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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/*
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* Copyright (c) 1987 by Ed James, UC Berkeley. All rights reserved.
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*
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* Copy permission is hereby granted provided that this notice is
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* retained on all partial or complete copies.
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*
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* For more info on this and all of my stuff, mail edjames@berkeley.edu.
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*/
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <err.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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#include "extern.h"
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#include "pathnames.h"
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static FILE *score_fp;
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int
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compar(const void *va, const void *vb)
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{
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const SCORE *a, *b;
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a = (const SCORE *)va;
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b = (const SCORE *)vb;
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if (b->planes == a->planes)
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return (b->time - a->time);
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else
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return (b->planes - a->planes);
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}
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#define SECAMIN 60
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#define MINAHOUR 60
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#define HOURADAY 24
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#define SECAHOUR (SECAMIN * MINAHOUR)
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#define SECADAY (SECAHOUR * HOURADAY)
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#define DAY(t) ((t) / SECADAY)
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#define HOUR(t) (((t) % SECADAY) / SECAHOUR)
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#define MINUTES(t) (((t) % SECAHOUR) / SECAMIN)
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#define SEC(t) ((t) % SECAMIN)
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const char *
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timestr(int t)
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{
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static char s[80];
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if (DAY(t) > 0)
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(void)snprintf(s, sizeof s, "%dd+%02dhrs", DAY(t), HOUR(t));
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else if (HOUR(t) > 0)
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(void)snprintf(s, sizeof s, "%d:%02d:%02d",
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HOUR(t), MINUTES(t), SEC(t));
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else if (MINUTES(t) > 0)
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(void)snprintf(s, sizeof s, "%d:%02d", MINUTES(t), SEC(t));
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else if (SEC(t) > 0)
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(void)snprintf(s, sizeof s, ":%02d", SEC(t));
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else
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*s = '\0';
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return (s);
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}
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int
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open_score_file(void)
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{
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mode_t old_mode;
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char *home;
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char scorefile[PATH_MAX];
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int ret;
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int score_fd;
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home = getenv("HOME");
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if (home == NULL || *home == '\0')
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err(1, "getenv");
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ret = snprintf(scorefile, sizeof(scorefile), "%s/%s", home,
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".atc.scores");
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if (ret < 0 || ret >= PATH_MAX)
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errc(1, ENAMETOOLONG, "%s/%s", home, ".atc.scores");
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old_mode = umask(0);
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score_fd = open(scorefile, O_CREAT|O_RDWR, 0644);
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if (score_fd == -1)
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err(1, "open");
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/*
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* This is done to take advantage of stdio, while still
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* allowing a O_CREAT during the open(2) of the log file.
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*/
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score_fp = fdopen(score_fd, "r+");
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if (score_fp == NULL)
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err(1, "fdopen");
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umask(old_mode);
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return (0);
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}
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int
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log_score(int list_em)
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{
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int i, num_scores = 0, good, changed = 0, found = 0;
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const char *name;
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char *cp;
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char scanstr[50];
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SCORE score[NUM_SCORES], thisscore;
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if (score_fp == NULL)
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return (-1);
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if (flock(fileno(score_fp), LOCK_EX) == -1)
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err(1, "flock");
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snprintf(scanstr, 50, "%%%zus %%%zus %%d %%d %%d", sizeof(score[0].name)-1,
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sizeof(score[0].game)-1);
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for (;;) {
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good = fscanf(score_fp, scanstr,
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score[num_scores].name,
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score[num_scores].game,
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&score[num_scores].planes,
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&score[num_scores].time,
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&score[num_scores].real_time);
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if (good != 5 || ++num_scores >= NUM_SCORES)
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break;
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}
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if (!test_mode && !list_em) {
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name = getenv("LOGNAME");
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if (name == NULL || *name == '\0')
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name = getenv("USER");
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if (name == NULL || *name == '\0')
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name = getlogin();
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if (name == NULL || *name == '\0')
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name = " ???";
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strlcpy(thisscore.name, name, sizeof(thisscore.name));
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cp = strrchr(file, '/');
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if (cp == NULL) {
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warnx("log: where's the '/' in %s?", file);
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return (-1);
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}
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cp++;
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strlcpy(thisscore.game, cp, sizeof(thisscore.game));
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thisscore.time = clck;
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thisscore.planes = safe_planes;
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thisscore.real_time = time(0) - start_time;
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for (i = 0; i < num_scores; i++) {
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if (strcmp(thisscore.name, score[i].name) == 0 &&
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strcmp(thisscore.game, score[i].game) == 0) {
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if (thisscore.time > score[i].time) {
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score[i].time = thisscore.time;
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score[i].planes = thisscore.planes;
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score[i].real_time =
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thisscore.real_time;
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changed++;
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}
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found++;
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break;
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}
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}
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if (!found) {
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for (i = 0; i < num_scores; i++) {
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if (thisscore.time > score[i].time) {
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if (num_scores < NUM_SCORES)
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num_scores++;
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memcpy(&score[num_scores - 1],
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&score[i],
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sizeof (score[i]));
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memcpy(&score[i], &thisscore,
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sizeof (score[i]));
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changed++;
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break;
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}
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}
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}
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if (!found && !changed && num_scores < NUM_SCORES) {
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memcpy(&score[num_scores], &thisscore,
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sizeof (score[num_scores]));
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num_scores++;
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changed++;
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}
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if (seeded) {
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puts("The high score list does not include '-r' seeded games.");
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} else if (changed) {
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if (found)
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puts("You beat your previous score!");
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else
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puts("You made the top players list!");
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qsort(score, num_scores, sizeof (*score), compar);
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if (fseek(score_fp, 0L, SEEK_SET) == -1)
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err(1, "fseek");
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for (i = 0; i < num_scores; i++)
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fprintf(score_fp, "%s %s %d %d %d\n",
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score[i].name,
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score[i].game, score[i].planes,
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score[i].time, score[i].real_time);
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} else {
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if (found)
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puts("You didn't beat your previous score.");
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else
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puts("You didn't make the top players list.");
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}
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putchar('\n');
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}
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flock(fileno(score_fp), LOCK_UN);
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fflush(score_fp);
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fsync(fileno(score_fp));
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if (fseek(score_fp, 0L, SEEK_SET) == -1)
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err(1, "fseek");
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printf("%2s: %-31s %-18s %4s %9s %4s\n", "#", "name",
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"game", "time", "real time", "safe");
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puts("-------------------------------------------------------------------------------");
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for (i = 0; i < num_scores; i++) {
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printf("%2d: %-31s %-18s %4d %9s %4d\n", i + 1,
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score[i].name, score[i].game,
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score[i].time, timestr(score[i].real_time),
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score[i].planes);
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}
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putchar('\n');
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return (0);
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}
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void
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log_score_quit(int dummy)
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{
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(void)log_score(0);
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exit(0);
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}
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