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Annotation of 43BSDTahoe/games/snake/snscore.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1980 Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms are permitted
        !             6:  * provided that the above copyright notice and this paragraph are
        !             7:  * duplicated in all such forms and that any documentation,
        !             8:  * advertising materials, and other materials related to such
        !             9:  * distribution and use acknowledge that the software was developed
        !            10:  * by the University of California, Berkeley.  The name of the
        !            11:  * University may not be used to endorse or promote products derived
        !            12:  * from this software without specific prior written permission.
        !            13:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            14:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            15:  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            16:  */
        !            17: 
        !            18: #ifndef lint
        !            19: char copyright[] =
        !            20: "@(#) Copyright (c) 1980 Regents of the University of California.\n\
        !            21:  All rights reserved.\n";
        !            22: #endif /* not lint */
        !            23: 
        !            24: #ifndef lint
        !            25: static char sccsid[] = "@(#)snscore.c  5.3 (Berkeley) 6/18/88";
        !            26: #endif /* not lint */
        !            27: 
        !            28: #include <stdio.h>
        !            29: #include <pwd.h>
        !            30: char *recfile = "/usr/games/lib/snakerawscores";
        !            31: #define MAXPLAYERS 256
        !            32: 
        !            33: struct passwd  *getpwuid();
        !            34: char   *malloc();
        !            35: 
        !            36: struct player  {
        !            37:        short   uids;
        !            38:        short   scores;
        !            39:        char    *name;
        !            40: } players[MAXPLAYERS], temp;
        !            41: 
        !            42: main()
        !            43: {
        !            44:        char    buf[80], cp;
        !            45:        short   uid, score;
        !            46:        FILE    *fd;
        !            47:        int     noplayers;
        !            48:        int     i, j, notsorted;
        !            49:        short   whoallbest, allbest;
        !            50:        char    *q;
        !            51:        struct  passwd  *p;
        !            52: 
        !            53:        fd = fopen(recfile, "r");
        !            54:        if (fd == NULL) {
        !            55:                perror(recfile);
        !            56:                exit(1);
        !            57:        }
        !            58:        printf("Snake players scores to date\n");
        !            59:        fread(&whoallbest, sizeof(short), 1, fd);
        !            60:        fread(&allbest, sizeof(short), 1, fd);
        !            61:        for (uid=2;;uid++) {
        !            62:                if(fread(&score, sizeof(short), 1, fd) == 0)
        !            63:                        break;
        !            64:                if (score > 0) {
        !            65:                        if (noplayers > MAXPLAYERS) {
        !            66:                                printf("too many players\n");
        !            67:                                exit(2);
        !            68:                        }
        !            69:                        players[noplayers].uids = uid;
        !            70:                        players[noplayers].scores = score;
        !            71:                        p = getpwuid(uid);
        !            72:                        if (p == NULL)
        !            73:                                continue;
        !            74:                        q = p -> pw_name;
        !            75:                        players[noplayers].name = malloc(strlen(q)+1);
        !            76:                        strcpy(players[noplayers].name, q);
        !            77:                        noplayers++;
        !            78:                }
        !            79:        }
        !            80: 
        !            81:        /* bubble sort scores */
        !            82:        for (notsorted=1; notsorted; ) {
        !            83:                notsorted = 0;
        !            84:                for (i=0; i<noplayers-1; i++)
        !            85:                        if (players[i].scores < players[i+1].scores) {
        !            86:                                temp = players[i];
        !            87:                                players[i] = players[i+1];
        !            88:                                players[i+1] = temp;
        !            89:                                notsorted++;
        !            90:                        }
        !            91:        }
        !            92: 
        !            93:        j = 1;
        !            94:        for (i=0; i<noplayers; i++) {
        !            95:                printf("%d:\t$%d\t%s\n", j, players[i].scores, players[i].name);
        !            96:                if (players[i].scores > players[i+1].scores)
        !            97:                        j = i+2;
        !            98:        }
        !            99:        exit(0);
        !           100: }

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