From 784de3c88f44472dcf84843838b8bb8b9e42309f Mon Sep 17 00:00:00 2001
From: Sam Leffler <sam@ucbvax.Berkeley.EDU>
Date: Mon, 4 Jul 1983 19:48:31 -0800
Subject: [PATCH] date and time created 83/07/04 12:48:31 by sam

SCCS-vsn: games/snake/snscore/snscore.c 4.1
---
 usr/src/games/snake/snscore/snscore.c | 94 +++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 usr/src/games/snake/snscore/snscore.c

diff --git a/usr/src/games/snake/snscore/snscore.c b/usr/src/games/snake/snscore/snscore.c
new file mode 100644
index 0000000000..3907acf140
--- /dev/null
+++ b/usr/src/games/snake/snscore/snscore.c
@@ -0,0 +1,94 @@
+#ifndef lint
+static char sccsid[] = "@(#)snscore.c	4.1 (Berkeley) %G%";
+#endif
+
+#include <stdio.h>
+#include <pwd.h>
+char *recfile = "/usr/games/lib/snakerawscores";
+#define MAXPLAYERS 256
+
+struct	passwd	*getpwuid();
+char	*malloc();
+
+struct	player	{
+	short	uids;
+	short	scores;
+	char	*name;
+} players[MAXPLAYERS], temp;
+
+main()
+{
+	char	buf[80], cp;
+	short	uid, score;
+	FILE	*fd;
+	int	noplayers;
+	int	i, j, notsorted;
+	short	whoallbest, allbest;
+	char	*q;
+	struct	passwd	*p;
+
+	fd = fopen(recfile, "r");
+	if (fd == NULL) {
+		perror(recfile);
+		exit(1);
+	}
+	printf("Snake players scores to date\n");
+	fread(&whoallbest, sizeof(short), 1, fd);
+	fread(&allbest, sizeof(short), 1, fd);
+	for (uid=2;;uid++) {
+		if(fread(&score, sizeof(short), 1, fd) == 0)
+			break;
+		if (score > 0) {
+			if (noplayers > MAXPLAYERS) {
+				printf("too many players\n");
+				exit(2);
+			}
+			players[noplayers].uids = uid;
+			players[noplayers].scores = score;
+			/* This is faster if passwd is sorted by uid. */
+			p = getpwuid(uid);
+			if (p == NULL)
+				continue;
+			q = p -> pw_name;
+			players[noplayers].name = malloc(strlen(q)+1);
+			strcpy(players[noplayers].name, q);
+			noplayers++;
+		}
+	}
+
+	/* bubble sort scores */
+	for (notsorted=1; notsorted; ) {
+		notsorted = 0;
+		for (i=0; i<noplayers-1; i++)
+			if (players[i].scores < players[i+1].scores) {
+				temp = players[i];
+				players[i] = players[i+1];
+				players[i+1] = temp;
+				notsorted++;
+			}
+	}
+
+	j = 1;
+	for (i=0; i<noplayers; i++) {
+		printf("%d:\t$%d\t%s\n", j, players[i].scores, players[i].name);
+		if (players[i].scores > players[i+1].scores)
+			j = i+2;
+	}
+	exit(0);
+}
+
+struct passwd *
+getpwuid(uid)
+register uid;
+{
+	register struct passwd *p;
+	struct passwd *getpwent();
+
+	while( (p = getpwent()) && p->pw_uid != uid );
+	if (p->pw_uid == uid)
+		return(p);
+	setpwent();
+	while( (p = getpwent()) && p->pw_uid != uid );
+	endpwent();
+	return(p);
+}
-- 
2.20.1