178 lines
3.4 KiB
C
178 lines
3.4 KiB
C
/*
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* Copyright (c) 1980 Regents of the University of California.
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* All rights reserved. The Berkeley software License Agreement
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* specifies the terms and conditions for redistribution.
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*/
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#ifndef lint
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static char sccsid[] = "@(#)score.c 1.1 92/07/30 SMI"; /* from UCB 5.1 85/05/30 */
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#endif not lint
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# include "robots.h"
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# include <pwd.h>
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typedef struct {
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int s_uid;
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int s_score;
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char s_name[MAXNAME];
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} SCORE;
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typedef struct passwd PASSWD;
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char *Scorefile = SCOREFILE;
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int Max_per_uid = MAX_PER_UID;
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static SCORE Top[MAXSCORES];
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void wperrorw();
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#define perrorw(str) VOID(wperrorw(stdscr, str))
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/*
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* score:
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* Post the player's score, if reasonable, and then print out the
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* top list.
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*/
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score()
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{
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register int inf;
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register SCORE *scp;
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register int uid;
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register bool done_show = FALSE;
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static int numscores, max_uid;
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Newscore = FALSE;
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if ((inf = open(Scorefile, 2)) < 0) {
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move(1, 15);
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perrorw(Scorefile);
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refresh();
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return;
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}
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if (read(inf, &max_uid, sizeof max_uid) == sizeof max_uid)
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read(inf, Top, sizeof Top);
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else {
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for (scp = Top; scp < &Top[MAXSCORES]; scp++)
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scp->s_score = -1;
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max_uid = Max_per_uid;
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}
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uid = getuid();
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if (Top[MAXSCORES-1].s_score <= Score) {
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numscores = 0;
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for (scp = Top; scp < &Top[MAXSCORES]; scp++)
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if (scp->s_score < 0 ||
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(scp->s_uid == uid && ++numscores == max_uid)) {
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if (scp->s_score > Score)
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break;
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scp->s_score = Score;
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scp->s_uid = uid;
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set_name(scp);
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Newscore = TRUE;
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break;
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}
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if (scp == &Top[MAXSCORES]) {
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Top[MAXSCORES-1].s_score = Score;
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Top[MAXSCORES-1].s_uid = uid;
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set_name(&Top[MAXSCORES-1]);
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Newscore = TRUE;
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}
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if (Newscore)
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qsort(Top, MAXSCORES, sizeof Top[0], cmp_sc);
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}
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if (!Newscore) {
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Full_clear = FALSE;
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close(inf);
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return;
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}
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else
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Full_clear = TRUE;
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for (scp = Top; scp < &Top[MAXSCORES]; scp++) {
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if (scp->s_score < 0)
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break;
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move((scp - Top) + 1, 15);
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if (!done_show && scp->s_uid == uid && scp->s_score == Score)
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standout();
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printw(" %d\t%d\t%-8.8s ", (scp - Top) + 1, scp->s_score, scp->s_name);
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if (!done_show && scp->s_uid == uid && scp->s_score == Score) {
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standend();
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done_show = TRUE;
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}
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}
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Num_scores = scp - Top;
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refresh();
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if (Newscore) {
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lseek(inf, 0L, 0);
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write(inf, &max_uid, sizeof max_uid);
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write(inf, Top, sizeof Top);
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}
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close(inf);
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}
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set_name(scp)
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register SCORE *scp;
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{
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register PASSWD *pp;
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if ((pp = getpwuid(scp->s_uid)) == NULL)
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pp->pw_name = "???";
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strncpy(scp->s_name, pp->pw_name, MAXNAME);
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}
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/*
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* cmp_sc:
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* Compare two scores.
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*/
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cmp_sc(s1, s2)
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register SCORE *s1, *s2;
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{
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return s2->s_score - s1->s_score;
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}
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/*
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* show_score:
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* Show the score list for the '-s' option.
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*/
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show_score()
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{
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register SCORE *scp;
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register int inf;
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static int max_score;
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if ((inf = open(Scorefile, 0)) < 0) {
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perror(Scorefile);
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return;
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}
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for (scp = Top; scp < &Top[MAXSCORES]; scp++)
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scp->s_score = -1;
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read(inf, &max_score, sizeof max_score);
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read(inf, Top, sizeof Top);
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close(inf);
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inf = 1;
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for (scp = Top; scp < &Top[MAXSCORES]; scp++)
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if (scp->s_score >= 0)
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printf("%d\t%d\t%.*s\n", inf++, scp->s_score, sizeof scp->s_name, scp->s_name);
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}
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extern int errno;
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extern int sys_nerr;
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extern char *sys_errlist[];
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void
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wperrorw(win, s)
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register WINDOW *win;
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char *s;
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{
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if (s && *s) {
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waddstr(win, s);
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waddstr(win, ": ");
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}
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waddstr(win, (unsigned)errno < sys_nerr ? sys_errlist[errno] :
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"Unknown error");
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}
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