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Annotation of 43BSDReno/games/robots/score.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: (1) source distributions retain this entire copyright
        !             7:  * notice and comment, and (2) distributions including binaries display
        !             8:  * the following acknowledgement:  ``This product includes software
        !             9:  * developed by the University of California, Berkeley and its contributors''
        !            10:  * in the documentation or other materials provided with the distribution
        !            11:  * and in all advertising materials mentioning features or use of this
        !            12:  * software. Neither the name of the University nor the names of its
        !            13:  * contributors may be used to endorse or promote products derived
        !            14:  * from this software without specific prior written permission.
        !            15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            16:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            17:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            18:  */
        !            19: 
        !            20: #ifndef lint
        !            21: static char sccsid[] = "@(#)score.c    5.6 (Berkeley) 6/1/90";
        !            22: #endif /* not lint */
        !            23: 
        !            24: # include      "robots.h"
        !            25: # include      <sys/types.h>
        !            26: # include      <pwd.h>
        !            27: # include      "pathnames.h"
        !            28: 
        !            29: typedef struct {
        !            30:        int     s_uid;
        !            31:        int     s_score;
        !            32:        char    s_name[MAXNAME];
        !            33: } SCORE;
        !            34: 
        !            35: typedef struct passwd  PASSWD;
        !            36: 
        !            37: char   *Scorefile = _PATH_SCORE;
        !            38: 
        !            39: int    Max_per_uid = MAX_PER_UID;
        !            40: 
        !            41: static SCORE   Top[MAXSCORES];
        !            42: 
        !            43: /*
        !            44:  * score:
        !            45:  *     Post the player's score, if reasonable, and then print out the
        !            46:  *     top list.
        !            47:  */
        !            48: score()
        !            49: {
        !            50:        register int    inf;
        !            51:        register SCORE  *scp;
        !            52:        register int    uid;
        !            53:        register bool   done_show = FALSE;
        !            54:        static int      numscores, max_uid;
        !            55: 
        !            56:        Newscore = FALSE;
        !            57:        if ((inf = open(Scorefile, 2)) < 0) {
        !            58:                perror(Scorefile);
        !            59:                return;
        !            60:        }
        !            61: 
        !            62:        if (read(inf, &max_uid, sizeof max_uid) == sizeof max_uid)
        !            63:                read(inf, Top, sizeof Top);
        !            64:        else {
        !            65:                for (scp = Top; scp < &Top[MAXSCORES]; scp++)
        !            66:                        scp->s_score = -1;
        !            67:                max_uid = Max_per_uid;
        !            68:        }
        !            69: 
        !            70:        uid = getuid();
        !            71:        if (Top[MAXSCORES-1].s_score <= Score) {
        !            72:                numscores = 0;
        !            73:                for (scp = Top; scp < &Top[MAXSCORES]; scp++)
        !            74:                        if (scp->s_score < 0 ||
        !            75:                            (scp->s_uid == uid && ++numscores == max_uid)) {
        !            76:                                if (scp->s_score > Score)
        !            77:                                        break;
        !            78:                                scp->s_score = Score;
        !            79:                                scp->s_uid = uid;
        !            80:                                set_name(scp);
        !            81:                                Newscore = TRUE;
        !            82:                                break;
        !            83:                        }
        !            84:                if (scp == &Top[MAXSCORES]) {
        !            85:                        Top[MAXSCORES-1].s_score = Score;
        !            86:                        Top[MAXSCORES-1].s_uid = uid;
        !            87:                        set_name(&Top[MAXSCORES-1]);
        !            88:                        Newscore = TRUE;
        !            89:                }
        !            90:                if (Newscore)
        !            91:                        qsort(Top, MAXSCORES, sizeof Top[0], cmp_sc);
        !            92:        }
        !            93: 
        !            94:        if (!Newscore) {
        !            95:                Full_clear = FALSE;
        !            96:                close(inf);
        !            97:                return;
        !            98:        }
        !            99:        else
        !           100:                Full_clear = TRUE;
        !           101: 
        !           102:        for (scp = Top; scp < &Top[MAXSCORES]; scp++) {
        !           103:                if (scp->s_score < 0)
        !           104:                        break;
        !           105:                move((scp - Top) + 1, 15);
        !           106:                if (!done_show && scp->s_uid == uid && scp->s_score == Score)
        !           107:                        standout();
        !           108:                printw(" %d\t%d\t%-8.8s ", (scp - Top) + 1, scp->s_score, scp->s_name);
        !           109:                if (!done_show && scp->s_uid == uid && scp->s_score == Score) {
        !           110:                        standend();
        !           111:                        done_show = TRUE;
        !           112:                }
        !           113:        }
        !           114:        Num_scores = scp - Top;
        !           115:        refresh();
        !           116: 
        !           117:        if (Newscore) {
        !           118:                lseek(inf, 0L, 0);
        !           119:                write(inf, &max_uid, sizeof max_uid);
        !           120:                write(inf, Top, sizeof Top);
        !           121:        }
        !           122:        close(inf);
        !           123: }
        !           124: 
        !           125: set_name(scp)
        !           126: register SCORE *scp;
        !           127: {
        !           128:        register PASSWD *pp;
        !           129: 
        !           130:        if ((pp = getpwuid(scp->s_uid)) == NULL)
        !           131:                pp->pw_name = "???";
        !           132:        strncpy(scp->s_name, pp->pw_name, MAXNAME);
        !           133: }
        !           134: 
        !           135: /*
        !           136:  * cmp_sc:
        !           137:  *     Compare two scores.
        !           138:  */
        !           139: cmp_sc(s1, s2)
        !           140: register SCORE *s1, *s2;
        !           141: {
        !           142:        return s2->s_score - s1->s_score;
        !           143: }
        !           144: 
        !           145: /*
        !           146:  * show_score:
        !           147:  *     Show the score list for the '-s' option.
        !           148:  */
        !           149: show_score()
        !           150: {
        !           151:        register SCORE  *scp;
        !           152:        register int    inf;
        !           153:        static int      max_score;
        !           154: 
        !           155:        if ((inf = open(Scorefile, 0)) < 0) {
        !           156:                perror(Scorefile);
        !           157:                return;
        !           158:        }
        !           159: 
        !           160:        for (scp = Top; scp < &Top[MAXSCORES]; scp++)
        !           161:                scp->s_score = -1;
        !           162: 
        !           163:        read(inf, &max_score, sizeof max_score);
        !           164:        read(inf, Top, sizeof Top);
        !           165:        close(inf);
        !           166:        inf = 1;
        !           167:        for (scp = Top; scp < &Top[MAXSCORES]; scp++)
        !           168:                if (scp->s_score >= 0)
        !           169:                        printf("%d\t%d\t%.*s\n", inf++, scp->s_score, sizeof scp->s_name, scp->s_name);
        !           170: }

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