Annotation of 43BSDTahoe/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: Peoplefile[], Curmonster, _iob[], Databuf[], *Monstfp, 
        !            25: /      Lastdead[], Goldfile[], Voidfile[], Motdfile[], Messfile[], Scorefile[], 
        !            26: /      Enemyfile[], Monstfile[], Enrgyvoid
        !            27: /
        !            28: / GLOBAL OUTPUTS: Curmonster, Databuf[], *Monstfp, Enrgyvoid
        !            29: /
        !            30: / DESCRIPTION: 
        !            31: /
        !            32: /      This program tries to verify the parameters specified in
        !            33: /      the Makefile.
        !            34: /
        !            35: /      Create all necessary files.  Note that nothing needs to be
        !            36: /      put in these files.
        !            37: /      Also, the monster binary data base is created here.
        !            38: /
        !            39: /************************************************************************/
        !            40: 
        !            41: main()
        !            42: {
        !            43: FILE   *fp;                    /* for opening files */
        !            44: struct stat    fbuf;           /* for getting files statistics */
        !            45: register char  **filename;     /* for pointing to file names */
        !            46: register int   fd;             /* file descriptor */
        !            47: static char *files[] =         /* all files to create */
        !            48:        {
        !            49:        Monstfile,
        !            50:        Peoplefile,
        !            51:        Messfile,
        !            52:        Lastdead,
        !            53:        Motdfile,
        !            54:        Goldfile,
        !            55:        Voidfile,
        !            56:        Scorefile,
        !            57: #ifdef ENEMY
        !            58:        Enemyfile,
        !            59: #endif
        !            60:        (char *) NULL
        !            61:        };
        !            62: 
        !            63:     srandom((unsigned) time((long *) NULL));   /* prime random numbers */
        !            64: 
        !            65:     umask(0117);               /* only owner can read/write created files */
        !            66: 
        !            67:     if (getuid() != UID)
        !            68:        fprintf(stderr, "Warning: UID (%d) is not equal to current uid.\n", UID);
        !            69: 
        !            70:     /* check Phantasia destination directory */
        !            71:     if (stat(DEST", &fbuf) < 0)
        !            72:        /* not found */
        !            73:        {
        !            74:        Error("Cannot stat %s.\n", DEST");
        !            75:        exit(1);
        !            76:        /*NOTREACHED*/
        !            77:        }
        !            78: 
        !            79:     if ((fbuf.st_mode & S_IFDIR) == 0)
        !            80:        /* not a directory */
        !            81:        Error("%s is not a directory.\n", DEST");
        !            82:        /*NOTREACHED*/
        !            83: 
        !            84:     /* try to create data files */
        !            85:     filename = &files[0];
        !            86:     while (*filename != NULL)
        !            87:        /* create each file */
        !            88:        {
        !            89:        if (stat(*filename, &fbuf) == 0)
        !            90:            /* file exists; remove it */
        !            91:            {
        !            92:            if (*filename == Peoplefile)
        !            93:                /* do not reset character file if it already exists */
        !            94:                {
        !            95:                ++filename;
        !            96:                continue;
        !            97:                }
        !            98: 
        !            99:            if (unlink(*filename) < 0)
        !           100:                Error("Cannot unlink %s.\n", *filename);
        !           101:                /*NOTREACHED*/
        !           102:            }
        !           103: 
        !           104:        if ((fd = creat(*filename, 0660)) < 0)
        !           105:            Error("Cannot create %s.\n", *filename);
        !           106:            /*NOTREACHED*/
        !           107: 
        !           108:        close(fd);                      /* close newly created file */
        !           109: 
        !           110:        ++filename;                     /* process next file */
        !           111:        }
        !           112: 
        !           113:     /* put holy grail info into energy void file */
        !           114:     Enrgyvoid.ev_active = TRUE;
        !           115:     Enrgyvoid.ev_x = ROLL(-1.0e6, 2.0e6);
        !           116:     Enrgyvoid.ev_y = ROLL(-1.0e6, 2.0e6);
        !           117:     if ((fp = fopen(Voidfile, "w")) == NULL)
        !           118:        Error("Cannot update %s.\n", Voidfile);
        !           119:     else
        !           120:        {
        !           121:        fwrite(&Enrgyvoid, SZ_VOIDSTRUCT, 1, fp);
        !           122:        fclose(fp);
        !           123:        }
        !           124: 
        !           125:     /* create binary monster data base */
        !           126:     if ((Monstfp = fopen(Monstfile, "w")) == NULL)
        !           127:        Error("Cannot update %s.\n", Monstfile);
        !           128:     else
        !           129:        {
        !           130:        if ((fp = fopen("monsters.asc", "r")) == NULL)
        !           131:            {
        !           132:            fclose(Monstfp);
        !           133:            Error("cannot open %s to create monster database.\n", "monsters.asc");
        !           134:            }
        !           135:        else
        !           136:            {
        !           137:            Curmonster.m_o_strength =
        !           138:            Curmonster.m_o_speed =
        !           139:            Curmonster.m_maxspeed =
        !           140:            Curmonster.m_o_energy =
        !           141:            Curmonster.m_melee =
        !           142:            Curmonster.m_skirmish = 0.0;
        !           143: 
        !           144:            while (fgets(Databuf, SZ_DATABUF, fp) != NULL)
        !           145:                /* read in text file, convert to binary */
        !           146:                {
        !           147:                sscanf(&Databuf[24], "%lf%lf%lf%lf%lf%d%d%lf",
        !           148:                    &Curmonster.m_strength, &Curmonster.m_brains,
        !           149:                    &Curmonster.m_speed, &Curmonster.m_energy,
        !           150:                    &Curmonster.m_experience, &Curmonster.m_treasuretype,
        !           151:                    &Curmonster.m_type, &Curmonster.m_flock);
        !           152:                Databuf[24] = '\0';
        !           153:                strcpy(Curmonster.m_name, Databuf);
        !           154:                fwrite((char *) &Curmonster, SZ_MONSTERSTRUCT, 1, Monstfp);
        !           155:                }
        !           156:            fclose(fp);
        !           157:            fclose(Monstfp);
        !           158:            }
        !           159:        }
        !           160: 
        !           161: #ifdef MAKE_INSTALLS_THIS_AND_DOESNT_ANSWER_QUESTIONS
        !           162:     /* write to motd file */
        !           163:     printf("One line 'motd' ? ");
        !           164:     if (fgets(Databuf, SZ_DATABUF, stdin) == NULL)
        !           165:        Databuf[0] = '\0';
        !           166:     if ((fp = fopen(Motdfile, "w")) == NULL)
        !           167:        Error("Cannot update %s.\n", Motdfile);
        !           168:     else
        !           169:        {
        !           170:        fwrite(Databuf, sizeof(char), strlen(Databuf), fp);
        !           171:        fclose(fp);
        !           172:        }
        !           173: #endif
        !           174: 
        !           175:     /* report compile-time options */
        !           176:     printf("Compiled options:\n\n");
        !           177:     printf("Phantasia destination directory:  %s\n", DEST");
        !           178:     printf("Wizard:  %s   UID:  %d\n", WIZARD, UID);
        !           179: 
        !           180: #ifdef OK_TO_PLAY
        !           181:     printf("Restricted playing enabled.\n");
        !           182: #else
        !           183:     printf("Playing unrestricted.\n");
        !           184: #endif
        !           185: 
        !           186: #ifdef ENEMY
        !           187:     printf("Enemy list enabled.\n");
        !           188: #else
        !           189:     printf("Enemy list disabled.\n");
        !           190: #endif
        !           191: 
        !           192: #ifdef SHELL
        !           193:     printf("Shell escapes enabled.  Default shell:  %s\n", SHELL);
        !           194: #else
        !           195:     printf("Shell escapes disabled.\n");
        !           196: #endif
        !           197: 
        !           198: #ifdef BSD41
        !           199:     printf("Compiled for BSD 4.1\n");
        !           200: #endif
        !           201: 
        !           202: #ifdef BSD42
        !           203:     printf("Compiled for BSD 4.2\n");
        !           204: #endif
        !           205: 
        !           206: #ifdef SYS3
        !           207:     printf("Compiled for System III\n");
        !           208: #endif
        !           209: 
        !           210: #ifdef SYS5
        !           211:     printf("Compiled for System V\n");
        !           212: #endif
        !           213: 
        !           214:     exit(0);
        !           215:     /*NOTREACHED*/
        !           216: }
        !           217: /**/
        !           218: /************************************************************************
        !           219: /
        !           220: / FUNCTION NAME: Error()
        !           221: /
        !           222: / FUNCTION: print an error message, and exit
        !           223: /
        !           224: / AUTHOR: E. A. Estes, 12/4/85
        !           225: /
        !           226: / ARGUMENTS:
        !           227: /      char *str - format string for printf()
        !           228: /      char *file - file which caused error
        !           229: /
        !           230: / RETURN VALUE: none
        !           231: /
        !           232: / MODULES CALLED: exit(), perror(), fprintf()
        !           233: /
        !           234: / GLOBAL INPUTS: _iob[]
        !           235: /
        !           236: / GLOBAL OUTPUTS: none
        !           237: /
        !           238: / DESCRIPTION:
        !           239: /      Print an error message, then exit.
        !           240: /
        !           241: /************************************************************************/
        !           242: 
        !           243: Error(str, file)
        !           244: char   *str, *file;
        !           245: {
        !           246:     fprintf(stderr, "Error: ");
        !           247:     fprintf(stderr, str, file);
        !           248:     perror(file);
        !           249:     exit(1);
        !           250:     /*NOTREACHED*/
        !           251: }
        !           252: /**/
        !           253: /************************************************************************
        !           254: /
        !           255: / FUNCTION NAME: drandom()
        !           256: /
        !           257: / FUNCTION: return a random number
        !           258: /
        !           259: / AUTHOR: E. A. Estes, 2/7/86
        !           260: /
        !           261: / ARGUMENTS: none
        !           262: /
        !           263: / RETURN VALUE: none
        !           264: /
        !           265: / MODULES CALLED: random()
        !           266: /
        !           267: / GLOBAL INPUTS: none
        !           268: /
        !           269: / GLOBAL OUTPUTS: none
        !           270: /
        !           271: / DESCRIPTION: 
        !           272: /
        !           273: /************************************************************************/
        !           274: 
        !           275: double
        !           276: drandom()
        !           277: {
        !           278:     if (sizeof(int) != 2)
        !           279:        return((double) (random() & 0x7fff) / 32768.0);
        !           280:     else
        !           281:        return((double) random() / 32768.0);
        !           282: }

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