249 lines
6.8 KiB
C
249 lines
6.8 KiB
C
/*-
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* Copyright (c) 1990 The Regents of the University of California.
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* 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. 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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/*
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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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#ifndef lint
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/*static char sccsid[] = "from: @(#)log.c 5.7 (Berkeley) 10/30/90";*/
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static char rcsid[] = "$Id: log.c,v 1.2 1993/08/01 18:57:06 mycroft Exp $";
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#endif not lint
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#include "include.h"
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#include "pathnames.h"
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compar(a, b)
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SCORE *a, *b;
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{
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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 MIN(t) (((t) % SECAHOUR) / SECAMIN)
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#define SEC(t) ((t) % SECAMIN)
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char *
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timestr(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)sprintf(s, "%dd+%02dhrs", DAY(t), HOUR(t));
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else if (HOUR(t) > 0)
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(void)sprintf(s, "%d:%02d:%02d", HOUR(t), MIN(t), SEC(t));
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else if (MIN(t) > 0)
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(void)sprintf(s, "%d:%02d", MIN(t), SEC(t));
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else if (SEC(t) > 0)
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(void)sprintf(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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log_score(list_em)
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{
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register int i, fd, num_scores = 0, good, changed = 0, found = 0;
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struct passwd *pw;
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FILE *fp;
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char *cp, *index(), *rindex();
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SCORE score[100], thisscore;
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#ifdef SYSV
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struct utsname name;
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#endif
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umask(0);
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fd = open(_PATH_SCORE, O_CREAT|O_RDWR, 0644);
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if (fd < 0) {
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perror(_PATH_SCORE);
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return (-1);
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}
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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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fp = fdopen(fd, "r+");
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if (fp == NULL) {
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perror(_PATH_SCORE);
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return (-1);
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}
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#ifdef BSD
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if (flock(fileno(fp), LOCK_EX) < 0)
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#endif
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#ifdef SYSV
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while (lockf(fileno(fp), F_LOCK, 1) < 0)
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#endif
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{
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perror("flock");
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return (-1);
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}
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for (;;) {
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good = fscanf(fp, "%s %s %s %d %d %d",
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score[num_scores].name,
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score[num_scores].host,
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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 != 6 || ++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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if ((pw = (struct passwd *) getpwuid(getuid())) == NULL) {
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fprintf(stderr,
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"getpwuid failed for uid %d. Who are you?\n",
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getuid());
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return (-1);
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}
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strcpy(thisscore.name, pw->pw_name);
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#ifdef BSD
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if (gethostname(thisscore.host, sizeof (thisscore.host)) < 0) {
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perror("gethostname");
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return (-1);
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}
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#endif
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#ifdef SYSV
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uname(&name);
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strcpy(thisscore.host, name.sysname);
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#endif
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cp = rindex(file, '/');
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if (cp == NULL) {
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fprintf(stderr, "log: where's the '/' in %s?\n", file);
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return (-1);
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}
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cp++;
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strcpy(thisscore.game, cp);
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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.host, score[i].host) == 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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bcopy(&score[i],
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&score[num_scores - 1],
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sizeof (score[i]));
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bcopy(&thisscore, &score[i],
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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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bcopy(&thisscore, &score[num_scores],
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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 (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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rewind(fp);
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for (i = 0; i < num_scores; i++)
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fprintf(fp, "%s %s %s %d %d %d\n",
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score[i].name, score[i].host,
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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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#ifdef BSD
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flock(fileno(fp), LOCK_UN);
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#endif
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#ifdef SYSV
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/* lock will evaporate upon close */
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#endif
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fclose(fp);
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printf("%2s: %-8s %-8s %-18s %4s %9s %4s\n", "#", "name", "host",
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"game", "time", "real time", "planes safe");
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puts("-------------------------------------------------------------------------------");
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for (i = 0; i < num_scores; i++) {
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cp = index(score[i].host, '.');
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if (cp != NULL)
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*cp = '\0';
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printf("%2d: %-8s %-8s %-18s %4d %9s %4d\n", i + 1,
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score[i].name, score[i].host, 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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