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Annotation of 43BSDReno/games/phantasia/setup.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * setup.c - set up all files for Phantasia
        !             3:  */
        !             4: #include "include.h"
        !             5: #include <sys/types.h>
        !             6: #include <sys/stat.h>
        !             7: /**/
        !             8: /************************************************************************
        !             9: /
        !            10: / FUNCTION NAME: main()
        !            11: /
        !            12: / FUNCTION: setup files for Phantasia 3.3.2
        !            13: /
        !            14: / AUTHOR: E. A. Estes, 12/4/85
        !            15: /
        !            16: / ARGUMENTS: none
        !            17: /
        !            18: / RETURN VALUE: none
        !            19: /
        !            20: / MODULES CALLED: time(), exit(), stat(), Error(), creat(), close(), fopen(), 
        !            21: /      fgets(), floor(), srandom(), umask(), drandom(), strcpy(), getuid(), 
        !            22: /      unlink(), fwrite(), fclose(), sscanf(), printf(), strlen(), fprintf()
        !            23: /
        !            24: / GLOBAL INPUTS: Curmonster, _iob[], Databuf[], *Monstfp, Enrgyvoid
        !            25: /
        !            26: / GLOBAL OUTPUTS: Curmonster, Databuf[], *Monstfp, Enrgyvoid
        !            27: /
        !            28: / DESCRIPTION: 
        !            29: /
        !            30: /      This program tries to verify the parameters specified in
        !            31: /      the Makefile.
        !            32: /
        !            33: /      Create all necessary files.  Note that nothing needs to be
        !            34: /      put in these files.
        !            35: /      Also, the monster binary data base is created here.
        !            36: /
        !            37: /************************************************************************/
        !            38: 
        !            39: main()
        !            40: {
        !            41: FILE   *fp;                    /* for opening files */
        !            42: struct stat    fbuf;           /* for getting files statistics */
        !            43: register char  **filename;     /* for pointing to file names */
        !            44: register int   fd;             /* file descriptor */
        !            45: static char *files[] =         /* all files to create */
        !            46:        {
        !            47:        _PATH_MONST,
        !            48:        _PATH_PEOPLE,
        !            49:        _PATH_MESS,
        !            50:        _PATH_LASTDEAD,
        !            51:        _PATH_MOTD,
        !            52:        _PATH_GOLD,
        !            53:        _PATH_VOID,
        !            54:        _PATH_SCORE,
        !            55:        (char *) NULL
        !            56:        };
        !            57: 
        !            58:     srandom((unsigned) time((long *) NULL));   /* prime random numbers */
        !            59: 
        !            60:     umask(0117);               /* only owner can read/write created files */
        !            61: 
        !            62:     /* try to create data files */
        !            63:     filename = &files[0];
        !            64:     while (*filename != NULL)
        !            65:        /* create each file */
        !            66:        {
        !            67:        if (stat(*filename, &fbuf) == 0)
        !            68:            /* file exists; remove it */
        !            69:            {
        !            70:            if (!strcmp(*filename, _PATH_PEOPLE))
        !            71:                /* do not reset character file if it already exists */
        !            72:                {
        !            73:                ++filename;
        !            74:                continue;
        !            75:                }
        !            76: 
        !            77:            if (unlink(*filename) < 0)
        !            78:                Error("Cannot unlink %s.\n", *filename);
        !            79:                /*NOTREACHED*/
        !            80:            }
        !            81: 
        !            82:        if ((fd = creat(*filename, 0660)) < 0)
        !            83:            Error("Cannot create %s.\n", *filename);
        !            84:            /*NOTREACHED*/
        !            85: 
        !            86:        close(fd);                      /* close newly created file */
        !            87: 
        !            88:        ++filename;                     /* process next file */
        !            89:        }
        !            90: 
        !            91:     /* put holy grail info into energy void file */
        !            92:     Enrgyvoid.ev_active = TRUE;
        !            93:     Enrgyvoid.ev_x = ROLL(-1.0e6, 2.0e6);
        !            94:     Enrgyvoid.ev_y = ROLL(-1.0e6, 2.0e6);
        !            95:     if ((fp = fopen(_PATH_VOID, "w")) == NULL)
        !            96:        Error("Cannot update %s.\n", _PATH_VOID);
        !            97:     else
        !            98:        {
        !            99:        fwrite(&Enrgyvoid, SZ_VOIDSTRUCT, 1, fp);
        !           100:        fclose(fp);
        !           101:        }
        !           102: 
        !           103:     /* create binary monster data base */
        !           104:     if ((Monstfp = fopen(_PATH_MONST, "w")) == NULL)
        !           105:        Error("Cannot update %s.\n", _PATH_MONST);
        !           106:     else
        !           107:        {
        !           108:        if ((fp = fopen("monsters.asc", "r")) == NULL)
        !           109:            {
        !           110:            fclose(Monstfp);
        !           111:            Error("cannot open %s to create monster database.\n", "monsters.asc");
        !           112:            }
        !           113:        else
        !           114:            {
        !           115:            Curmonster.m_o_strength =
        !           116:            Curmonster.m_o_speed =
        !           117:            Curmonster.m_maxspeed =
        !           118:            Curmonster.m_o_energy =
        !           119:            Curmonster.m_melee =
        !           120:            Curmonster.m_skirmish = 0.0;
        !           121: 
        !           122:            while (fgets(Databuf, SZ_DATABUF, fp) != NULL)
        !           123:                /* read in text file, convert to binary */
        !           124:                {
        !           125:                sscanf(&Databuf[24], "%lf%lf%lf%lf%lf%d%d%lf",
        !           126:                    &Curmonster.m_strength, &Curmonster.m_brains,
        !           127:                    &Curmonster.m_speed, &Curmonster.m_energy,
        !           128:                    &Curmonster.m_experience, &Curmonster.m_treasuretype,
        !           129:                    &Curmonster.m_type, &Curmonster.m_flock);
        !           130:                Databuf[24] = '\0';
        !           131:                strcpy(Curmonster.m_name, Databuf);
        !           132:                fwrite((char *) &Curmonster, SZ_MONSTERSTRUCT, 1, Monstfp);
        !           133:                }
        !           134:            fclose(fp);
        !           135:            fclose(Monstfp);
        !           136:            }
        !           137:        }
        !           138: 
        !           139: #ifdef MAKE_INSTALLS_THIS_AND_DOESNT_WANT_TO_HEAR_ABOUT_IT
        !           140:     /* write to motd file */
        !           141:     printf("One line 'motd' ? ");
        !           142:     if (fgets(Databuf, SZ_DATABUF, stdin) == NULL)
        !           143:        Databuf[0] = '\0';
        !           144:     if ((fp = fopen(_PATH_MOTD, "w")) == NULL)
        !           145:        Error("Cannot update %s.\n", _PATH_MOTD);
        !           146:     else
        !           147:        {
        !           148:        fwrite(Databuf, sizeof(char), strlen(Databuf), fp);
        !           149:        fclose(fp);
        !           150:        }
        !           151: 
        !           152:     /* report compile-time options */
        !           153:     printf("Compiled options:\n\n");
        !           154:     printf("Phantasia destination directory:  %s\n", _PATH_PHANTDIR);
        !           155:     printf("Wizard: root UID: 0\n");
        !           156: 
        !           157: #ifdef BSD41
        !           158:     printf("Compiled for BSD 4.1\n");
        !           159: #endif
        !           160: 
        !           161: #ifdef BSD42
        !           162:     printf("Compiled for BSD 4.2\n");
        !           163: #endif
        !           164: 
        !           165: #ifdef SYS3
        !           166:     printf("Compiled for System III\n");
        !           167: #endif
        !           168: 
        !           169: #ifdef SYS5
        !           170:     printf("Compiled for System V\n");
        !           171: #endif
        !           172: #endif
        !           173: 
        !           174:     exit(0);
        !           175:     /*NOTREACHED*/
        !           176: }
        !           177: /**/
        !           178: /************************************************************************
        !           179: /
        !           180: / FUNCTION NAME: Error()
        !           181: /
        !           182: / FUNCTION: print an error message, and exit
        !           183: /
        !           184: / AUTHOR: E. A. Estes, 12/4/85
        !           185: /
        !           186: / ARGUMENTS:
        !           187: /      char *str - format string for printf()
        !           188: /      char *file - file which caused error
        !           189: /
        !           190: / RETURN VALUE: none
        !           191: /
        !           192: / MODULES CALLED: exit(), perror(), fprintf()
        !           193: /
        !           194: / GLOBAL INPUTS: _iob[]
        !           195: /
        !           196: / GLOBAL OUTPUTS: none
        !           197: /
        !           198: / DESCRIPTION:
        !           199: /      Print an error message, then exit.
        !           200: /
        !           201: /************************************************************************/
        !           202: 
        !           203: Error(str, file)
        !           204: char   *str, *file;
        !           205: {
        !           206:     fprintf(stderr, "Error: ");
        !           207:     fprintf(stderr, str, file);
        !           208:     perror(file);
        !           209:     exit(1);
        !           210:     /*NOTREACHED*/
        !           211: }
        !           212: /**/
        !           213: /************************************************************************
        !           214: /
        !           215: / FUNCTION NAME: drandom()
        !           216: /
        !           217: / FUNCTION: return a random number
        !           218: /
        !           219: / AUTHOR: E. A. Estes, 2/7/86
        !           220: /
        !           221: / ARGUMENTS: none
        !           222: /
        !           223: / RETURN VALUE: none
        !           224: /
        !           225: / MODULES CALLED: random()
        !           226: /
        !           227: / GLOBAL INPUTS: none
        !           228: /
        !           229: / GLOBAL OUTPUTS: none
        !           230: /
        !           231: / DESCRIPTION: 
        !           232: /
        !           233: /************************************************************************/
        !           234: 
        !           235: double
        !           236: drandom()
        !           237: {
        !           238:     if (sizeof(int) != 2)
        !           239:        return((double) (random() & 0x7fff) / 32768.0);
        !           240:     else
        !           241:        return((double) random() / 32768.0);
        !           242: }

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