/***************************************************************************
 *  Original Diku Mud copyright (C) 1990, 1991 by Sebastian Hammer,        *
 *  Michael Seifert, Hans Henrik St{rfeldt, Tom Madsen, and Katja Nyboe.   *
 *                                                                         *
 *  Merc Diku Mud improvments copyright (C) 1992, 1993 by Michael          *
 *  Chastain, Michael Quan, and Mitchell Tse.                              *
 *                                                                         *
 *  In order to use any part of this Merc Diku Mud, you must comply with   *
 *  both the original Diku license in 'license.doc' as well the Merc       *
 *  license in 'license.txt'.  In particular, you may not remove either of *
 *  these copyright notices.                                               *
 *                                                                         *
 *  Much time and thought has gone into this software and you are          *
 *  benefitting.  We hope that you share your changes too.  What goes      *
 *  around, comes around.                                                  *
 ***************************************************************************/

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#include <time.h>
#include <unistd.h>
#if defined(macintosh)
#include <types.h>
#else
#include <sys/types.h>
#include <sys/time.h>
#include <sys/resource.h>
#endif

#include "merc.h"
#include "db.h"
#include "interp.h"

#if defined(unix)
extern int getrlimit(int resource, struct rlimit *rlp);
/* extern int setrlimit(int resource, struct rlimit *rlp); */
#endif

#if !defined(macintosh)
extern  int     _filbuf         args( (FILE *) );
#endif



/*
 * Globals.
 */
HELP_DATA *             help_first;
HELP_DATA *             help_last;

SHOP_DATA *             shop_first;
SHOP_DATA *             shop_last;

CHAR_DATA *             char_free;
EXTRA_DESCR_DATA *      extra_descr_free;
NOTE_DATA *             note_free;
OBJ_DATA *              obj_free;
PC_DATA *               pcdata_free;

char                    bug_buf         [2*MAX_INPUT_LENGTH];
CHAR_DATA *             char_list;
char *                  help_greeting;
char *                  ansi_greeting;
char                    log_buf         [2*MAX_INPUT_LENGTH];
KILL_DATA               kill_table      [MAX_LEVEL];
OBJ_DATA *              object_list;
/* CLAN_DATA *          clan_first; */
/* CLAN_DATA *          clan_last; */
TIME_INFO_DATA          time_info;
WEATHER_DATA            weather_info;
struct  social_type     social_table    [MAX_SOCIALS];
int                     social_count    = 0;

sh_int                  gsn_backstab;
sh_int                  gsn_dodge;
sh_int                  gsn_hide;
sh_int                  gsn_peek;
sh_int                  gsn_pick_lock;
sh_int                  gsn_sneak;
sh_int                  gsn_steal;

sh_int                  gsn_disarm;
sh_int                  gsn_enhanced_damage;
sh_int                  gsn_kick;
sh_int                  gsn_parry;
sh_int                  gsn_rescue;
sh_int                  gsn_second_attack;
sh_int                  gsn_third_attack;

sh_int                  gsn_blindness;
sh_int                  gsn_charm_person;
sh_int                  gsn_curse;
sh_int                  gsn_invis;
sh_int                  gsn_mass_invis;
sh_int                  gsn_poison;
sh_int                  gsn_plague;
sh_int                  gsn_sleep;

sh_int                  gsn_axe;
sh_int                  gsn_dagger;
sh_int                  gsn_flail;
sh_int                  gsn_mace;
sh_int                  gsn_polearm;
sh_int                  gsn_shield_block;
sh_int                  gsn_spear;
sh_int                  gsn_sword;
sh_int                  gsn_whip;
 
sh_int                  gsn_bash;
sh_int                  gsn_berserk;
sh_int                  gsn_dirt;
sh_int                  gsn_hand_to_hand;
sh_int                  gsn_trip;
 
sh_int                  gsn_fast_healing;
sh_int                  gsn_haggle;
sh_int                  gsn_lore;
sh_int                  gsn_meditation;
 
sh_int                  gsn_scrolls;
sh_int                  gsn_staves;
sh_int                  gsn_wands;
sh_int                  gsn_recall;
sh_int                  gsn_brew;
sh_int                  gsn_scribe;


/*
 * Locals.
 */
MOB_INDEX_DATA *        mob_index_hash          [MAX_KEY_HASH];
OBJ_INDEX_DATA *        obj_index_hash          [MAX_KEY_HASH];
ROOM_INDEX_DATA *       room_index_hash         [MAX_KEY_HASH];
char *                  string_hash             [MAX_KEY_HASH];

AREA_DATA *             area_first;
AREA_DATA *             area_last;

char *                  string_space;
char *                  top_string;
char                    str_empty       [1];

int                     top_affect;
int                     top_area;
int                     top_ed;
int                     top_exit;
int                     top_help;
int                     top_mob_index;
int                     top_obj_index;
int                     top_reset;
int                     top_room;
int                     top_shop;
/* int                  top_clan; */
int                     top_vnum_room;  /* OLC */
int                     top_vnum_mob;   /* OLC */
int                     top_vnum_obj;   /* OLC */
int                     mobile_count = 0;

/*
 * MOBprogram locals
*/

int             mprog_name_to_type      args ( ( char* name ) );
MPROG_DATA *    mprog_file_read         args ( ( char* f, MPROG_DATA* mprg,
						MOB_INDEX_DATA *pMobIndex ) );
void            load_mobprogs           args ( ( FILE* fp ) );
void            mprog_read_programs     args ( ( FILE* fp,
						MOB_INDEX_DATA *pMobIndex ) );
/*
 * Memory management.
 * Increase MAX_STRING if you have too.
 * Tune the others only if you understand what you're doing.
 */
/*#define                       MAX_STRING      1150976*/
#define                 MAX_STRING      1728800
#define                 MAX_PERM_BLOCK  131072
#define                 MAX_MEM_LIST    11

void *                  rgFreeList      [MAX_MEM_LIST];
const int               rgSizeList      [MAX_MEM_LIST]  =
{
    16, 32, 64, 128, 256, 1024, 2048, 4096, 8192, 16384, 32768-64
};

int                     nAllocString;
int                     sAllocString;
int                     nAllocPerm;
int                     sAllocPerm;



/*
 * Semi-locals.
 */
bool                    fBootDb;
FILE *                  fpArea;
char                    strArea[MAX_INPUT_LENGTH];



/*
 * Local booting procedures.
*/
void    init_mm         args( ( void ) );
void    skip_section    args( ( FILE *fp, char *section ) );
/* void load_clans      args( ( FILE *fp ) ); */
void    load_area       args( ( FILE *fp ) );   /* OLC */
void    load_helps      args( ( FILE *fp ) );
void    load_mobiles    args( ( FILE *fp ) );
void    load_objects    args( ( FILE *fp ) );
void    load_resets     args( ( FILE *fp ) );
void    load_rooms      args( ( FILE *fp ) );
void    load_raffects   args( ( FILE *fp ) );
void    load_shops      args( ( FILE *fp ) );
void    load_socials    args( ( FILE *fp ) );
void    load_specials   args( ( FILE *fp ) );

void    fix_exits       args( ( void ) );

void    reset_area      args( ( AREA_DATA * pArea ) );

#define MSL MAX_STRING_LENGTH
#define MIL MAX_INPUT_LENGTH
/* This is the handy CH() macro. I think that it was Tom Adriansen (sp?) */

bool write_to_descriptor args((int desc,char *txt,int length));
#define CH(descriptor)  ((descriptor)->original ? \
(descriptor)->original : (descriptor)->character)


#define COPYOVER_FILE  "TEMP" 
#define EXE_FILE       "../src/ember"


extern int port, control;
extern bool fCopyOver;

void do_copyover (CHAR_DATA *ch, char * argument)
{
	FILE *fp;
	DESCRIPTOR_DATA *d, *d_next;
	char buf [100], buf2[100];
	int     close           args( ( int fd ) );
	fp = fopen (COPYOVER_FILE, "w");
	
	if (!fp)
	{
		send_to_char ("Copyover file not writeable, aborted.\n\r",ch);
		perror ("do_copyover:fopen");
		return;
	}
	
	/* Consider changing all saved areas here, if you use OLC */
	
	do_asave (ch, "changed" );      
	do_force (ch, "all save" );
	sprintf (buf, "\n\r\n\rThe earth splits in two, as %s remolds the world as you know it.\n\r", ch->name);
	
	/* For each playing descriptor, save its state */
	for (d = descriptor_list; d ; d = d_next)
	{
		CHAR_DATA * och = CH (d);
		d_next = d->next; /* We delete from the list , so need to save this */
		
		if (!d->character || d->connected < 0) /* drop those logging on */
		{
			write_to_descriptor (d->descriptor, "\n\rSorry, we are rebooting. Come back in a few minutes.\n\r", 0);
			close_socket (d); /* throw'em out */
		}
		else
		{
			fprintf (fp, "%d %s %s\n", d->descriptor, och->name, d->host);
/*                      if (IS_SET(och->act,PLR_QUESTOR));
			{
				REMOVE_BIT(ch->act,PLR_QUESTOR);
				ch->countdown = 0;
				ch->nextquest = 0;
				ch->questmob = 0;
				ch->questobj = 0;
				ch->questgiver = NULL;
			}*/ /*Auto-Quest not implemented yet*/
/*                      if (och->level == 1)
			{
				write_to_descriptor (d->descriptor, "Since you are level one, and level one characters do not save, you gain a free level!\n\r", 0);
				advance_level (och);
				och->level++;
			} */
			save_char_obj (och);
			write_to_descriptor (d->descriptor, buf, 0);
		}
	}
	
	fprintf (fp, "-1\n");
	fclose (fp);
	
	/* Close reserve and other always-open files and release other resources */
	
	fclose (fpReserve);
	
	/* exec - descriptors are inherited */
	
	sprintf (buf, "%d", port);
	sprintf (buf2, "%d", control);
	execl(EXE_FILE, " ", buf, "EmberMUD", buf2, (char *) NULL);

	/* Failed - sucessful exec will not return */
	
	perror ("do_copyover: execl");
	send_to_char ("Copyover FAILED!\n\r",ch);
	
	/* Here you might want to reopen fpReserve */
}


 void init_descriptor (DESCRIPTOR_DATA *dnew, int desc)
	{
	static DESCRIPTOR_DATA d_zero;
	*dnew = d_zero;
	dnew->descriptor = desc;
	dnew->character = NULL;
	dnew->connected = CON_GET_NAME;
	dnew->showstr_head = str_dup ("");
	dnew->showstr_point = 0;
	dnew->pEdit = NULL;                     /* OLC */
	dnew->pString = NULL;           /* OLC */
	dnew->editor = 0;                       /* OLC */
	dnew->outsize = 2000;
	dnew->outbuf = alloc_mem (dnew->outsize);
	
/*     {
	int i;
	for (i = 0;i < MAX_HISTORY;i++)
	dnew->hist_cmd[i][0] = '\0';
     } */
}



/* Recover from a copyover - load players */
void copyover_recover ( void )
{
	DESCRIPTOR_DATA *dnew;
	FILE *fp;
	char name [100];
	char host[MSL];
	int desc;
	int     close           args( ( int fd ) );
	bool fOld;
	
	
	fp = fopen (COPYOVER_FILE, "r");
	
	if (!fp) /* there are some descriptors open which will hang forever then ? */
	{
		perror ("copyover_recover:fopen");
		exit (1);
	}

	unlink (COPYOVER_FILE); /* In case something crashes - doesn't prevent reading  */
	
	for (;;)
	{
		fscanf (fp, "%d %s %s\n", &desc, name, host);
		if (desc == -1)
			break;

		/* Write something, and check if it goes error-free */          
		if (!write_to_descriptor (desc, "\n\rThe earth reforms, new to you as you know it...\n\r",0))
		{
			close (desc); /* nope */
			continue;
		}
		
		dnew = alloc_perm (sizeof(DESCRIPTOR_DATA)); 
		init_descriptor (dnew,desc); /* set up various stuff */
		
		dnew->host = str_dup (host);
		dnew->next = descriptor_list;
		descriptor_list = dnew;
		dnew->connected = CON_COPYOVER_RECOVER; /* -15, so close_socket frees the char */
		
	
		/* Now, find the pfile */
		
		fOld = load_char_obj (dnew, name);
		
		if (!fOld) /* Player file not found?! */
		{
			write_to_descriptor (desc, "\n\rSomehow, your character was lost in the copyover. Sorry.\n\r", 0);
			close_socket (dnew);                    
		}
		else /* ok! */
		{
	/*              write_to_descriptor (desc, "\n\rCopyover recovery complete.\n\r",0);*/
	
			/* Just In Case */
			if (!dnew->character->in_room)
				dnew->character->in_room = get_room_index (ROOM_VNUM_TEMPLE);

			/* Insert in the char_list */
			dnew->character->next = char_list;
			char_list = dnew->character;

			char_to_room (dnew->character, dnew->character->in_room);
			do_look (dnew->character, "");
			act ("$n materializes!", dnew->character, NULL, NULL, TO_ROOM);
			dnew->connected = CON_PLAYING;
		}
		
	}
	
	fCopyOver = FALSE;
}


#if defined(unix)
/* RT max open files fix */
 
void maxfilelimit()
{
    struct rlimit r;
 
    getrlimit(RLIMIT_NOFILE, &r);
    r.rlim_cur = r.rlim_max;
    setrlimit(RLIMIT_NOFILE, &r);
}
#endif

/*
 * Big mama top level function.
 */
void boot_db( )
{

#if defined(unix)
    /* open file fix */
    maxfilelimit();
#endif

	/*
	 * Init some data space stuff.
	 */
	{
		if ( ( string_space = calloc( 1, MAX_STRING ) ) == NULL )
		{
			bug( "Boot_db: can't alloc %d string space.", MAX_STRING );
			exit( 1 );
		}
		top_string      = string_space;
		fBootDb         = TRUE;
	}
	
	/*
	 * Init random number generator.
	 */
	{
		init_mm( );
	}
	
	/*
	 * Set time and weather.
	 */
	{
		long lhour, lday, lmonth;
		
		lhour           = (current_time - 650336715) / (PULSE_TICK / PULSE_PER_SECOND);
		time_info.hour  = lhour  % 24;
		lday            = lhour  / 24;
		time_info.day   = lday   % 35;
		lmonth          = lday   / 35;
		time_info.month = lmonth % 17;
		time_info.year  = lmonth / 17;
		
		if ( time_info.hour <  5 ) weather_info.sunlight = SUN_DARK;
		else if ( time_info.hour <  6 ) weather_info.sunlight = SUN_RISE;
		else if ( time_info.hour < 19 ) weather_info.sunlight = SUN_LIGHT;
		else if ( time_info.hour < 20 ) weather_info.sunlight = SUN_SET;
		else                            weather_info.sunlight = SUN_DARK;
		
		weather_info.change     = 0;
		weather_info.mmhg       = 960;
		if ( time_info.month >= 7 && time_info.month <=12 )
			weather_info.mmhg += number_range( 1, 50 );
		else
			weather_info.mmhg += number_range( 1, 80 );
		
		if ( weather_info.mmhg <=  980 ) weather_info.sky = SKY_LIGHTNING;
		else if ( weather_info.mmhg <= 1000 ) weather_info.sky = SKY_RAINING;
		else if ( weather_info.mmhg <= 1020 ) weather_info.sky = SKY_CLOUDY;
		else                                  weather_info.sky = SKY_CLOUDLESS;
	}
	
	/*
	 * Assign gsn's for skills which have them.
	 */
	{
		int sn;
		
		for ( sn = 0; sn < MAX_SKILL; sn++ )
		{
			if ( skill_table[sn].pgsn != NULL )
				*skill_table[sn].pgsn = sn;
		}
	}
	
	/*
	 * Read in all the area files.
	 */
	{
		FILE *fpList;
		
		if ( ( fpList = fopen( AREA_LIST, "r" ) ) == NULL )
		{
			perror( AREA_LIST );
			exit( 1 );
		}
		
		for ( ; ; )
		{
			strcpy( strArea, fread_word( fpList ) );
			if ( strArea[0] == '$' )
				break;
			
			if ( strArea[0] == '-' )
			{
				fpArea = stdin;
			}
			else
			{
				if ( ( fpArea = fopen( strArea, "r" ) ) == NULL )
				{
					perror( strArea );
					exit( 1 );
				}
			}
			
			for ( ; ; )
			{
				char *word;
				
				if ( fread_letter( fpArea ) != '#' )
				{
					bug( "Boot_db: # not found.", 0 );
					exit( 1 );
				}
				
				word = fread_word( fpArea );
				
				if ( word[0] == '$' ) break;
/* OLC */       else if ( !str_cmp( word, "AREADATA" ) ) load_area    (fpArea);
/*                              else if ( !str_cmp( word, "CLANS"    ) ) load_clans   (fpArea); */
				else if ( !str_cmp( word, "HELPS"    ) ) load_helps   (fpArea);
				else if ( !str_cmp( word, "MOBILES"  ) ) load_mobiles (fpArea);
				else if ( !str_cmp( word, "MOBPROGS" ) ) load_mobprogs(fpArea);
				else if ( !str_cmp( word, "OBJECTS"  ) ) load_objects (fpArea);
				else if ( !str_cmp( word, "RESETS"   ) ) skip_section (fpArea,word);
				else if ( !str_cmp( word, "ROOMS"    ) ) load_rooms   (fpArea);
				else if ( !str_cmp( word, "RAFFECTS" ) ) load_raffects(fpArea);
				else if ( !str_cmp( word, "SHOPS"    ) ) skip_section (fpArea,word);
				else if ( !str_cmp( word, "SOCIALS"  ) ) load_socials (fpArea);
				else if ( !str_cmp( word, "SPECIALS" ) ) load_specials(fpArea);
				else
				{
					bug( "Boot_db: bad section name.", 0 );
					exit( 1 );
				}
			}
			
			if ( fpArea != stdin )
				fclose( fpArea );
			fpArea = NULL;
		}
		fclose( fpList );

		/* Load resets and shops only after everything else is loaded in */
		if ( ( fpList = fopen( AREA_LIST, "r" ) ) == NULL )
		{
			perror( AREA_LIST );
			exit( 1 );
		}
		
		for ( ; ; )
		{
			strcpy( strArea, fread_word( fpList ) );
			if ( strArea[0] == '$' )
				break;
			
			if ( strArea[0] == '-' )
			{
				fpArea = stdin;
			}
			else
			{
				if ( ( fpArea = fopen( strArea, "r" ) ) == NULL )
				{
					perror( strArea );
					exit( 1 );
				}
			}
			
			for ( ; ; )
			{
				char *word;
				
				if ( fread_letter( fpArea ) != '#' )
				{
					bug( "Boot_db: # not found.", 0 );
					exit( 1 );
				}
				
				word = fread_word( fpArea );
				
				if ( word[0] == '$' ) break;
/* OLC */       else if ( !str_cmp( word, "AREADATA" ) ) skip_section (fpArea,word); /*load_area    (fpArea)*/
/*                              else if ( !str_cmp( word, "CLANS"    ) ) load_clans   (fpArea); */
				else if ( !str_cmp( word, "HELPS"    ) ) skip_section (fpArea,word); /*load_helps   (fpArea)*/
				else if ( !str_cmp( word, "MOBILES"  ) ) skip_section (fpArea,word); /*load_mobiles (fpArea)*/
				else if ( !str_cmp( word, "MOBPROGS" ) ) skip_section (fpArea,word); /*load_mobprogs(fpArea)*/
				else if ( !str_cmp( word, "OBJECTS"  ) ) skip_section (fpArea,word); /*load_objects (fpArea)*/
				else if ( !str_cmp( word, "RESETS"   ) ) load_resets  (fpArea);
				else if ( !str_cmp( word, "ROOMS"    ) ) skip_section (fpArea,word); /*load_rooms   (fpArea)*/
				else if ( !str_cmp( word, "RAFFECTS" ) ) skip_section (fpArea,word); /*load_raffects(fpArea)*/
				else if ( !str_cmp( word, "SHOPS"    ) ) load_shops   (fpArea);
				else if ( !str_cmp( word, "SOCIALS"  ) ) skip_section (fpArea,word); /*load_socials (fpArea)*/
				else if ( !str_cmp( word, "SPECIALS" ) ) skip_section (fpArea,word); /*load_specials(fpArea)*/
				else
				{
					bug( "Boot_db: bad section name.", 0 );
					exit( 1 );
				}
			}
			
			if ( fpArea != stdin )
				fclose( fpArea );
			fpArea = NULL;
		}
		fclose( fpList );
	}
	
	/*
	 * Fix up exits.
	 * Declare db booting over.
	 * Reset all areas once.
	 * Load up the notes file.
	 */
	{
		fix_exits( );
		fBootDb = FALSE;
		area_update( );
		load_boards(); /* Load all boards */
		save_notes();
		MOBtrigger = TRUE;
	}
	
	if ( !help_greeting )             /* Hugin */
	{
		bug( "boot_db: No help_greeting read.", 0 );
		help_greeting = "By what name do you wish to be known ? ";
	}
	
	if (fCopyOver)
		copyover_recover();
	
	return;
}
/***************************************************************************/

/*
 * Skip a section.
 */
void skip_section( FILE *fp, char *section )
{
	int number;
	char *word;
	char letter;

	if (!str_cmp( section, "AREADATA" ))
	{
		for ( ; ; )
		{
			word = feof( fp ) ? "End" : fread_word( fp );
			if ( !str_cmp( word, "End" ) )
				return;
			fread_to_eol( fp );
		}
	}
	if (!str_cmp( section, "HELPS" ))
	{
		for ( ; ; )
		{
			number = fread_number( fp );
			word = fread_string( fp );
			if ( word[0] == '$' )
				return;
			fread_string( fp );
		}
	}
	if (!str_cmp( section, "MOBILES" ) || !str_cmp( section, "OBJECTS" ) 
	||  !str_cmp( section, "ROOMS" ) || !str_cmp( section, "RAFFECTS" ))
	{
		for ( ; ; )
		{
			word = feof( fp ) ? "#0" : fread_string_eol( fp );
			if ( word[0] == '#' && word[1] == '0' )
				return;
		}
	}
	if (!str_cmp( section, "MOBPROGS" ) || !str_cmp( section, "RESETS" )
	||  !str_cmp( section, "SPECIALS" ))
	{
		for ( ; ; )
		{
			switch( letter = fread_letter( fp ) )
			{
			case 'S':
				if ( !str_cmp( section, "RESETS" ) 
				||   !str_cmp( section, "SPECIALS" ))
					return;
			case 's':
				fread_to_eol( fp );
				return;
			}
			fread_to_eol( fp );
		}                       
	}
	if (!str_cmp( section, "SHOPS" ))
	{
		for ( ; ; )
		{
			number = fread_number( fp );
			if ( number == 0 )
				return;
			fread_to_eol( fp );
		}
	}
	if (!str_cmp( section, "SOCIALS" ))
	{
		for ( ; ; )
		{
			word = fread_word( fp );
			if ( !strcmp( word, "#0" ) )
				return;
			fread_to_eol( fp );
		}
	}
	bug( "skip_section: Invalid section name.", 0 );
	exit( 1 );
}


/*
 * OLC
 * Use these macros to load any new area formats that you choose to
 * support on your MUD.  See the load_area format below for
 * a short example.
 */
#if defined(KEY)
#undef KEY
#endif

#define KEY( literal, field, value )                \
		if ( !str_cmp( word, literal ) )    \
		{                                   \
		    field  = value;                 \
		    fMatch = TRUE;                  \
		    break;                          \
				}

#define SKEY( string, field )                       \
		if ( !str_cmp( word, string ) )     \
		{                                   \
		    free_string( field );           \
		    field = fread_string( fp );     \
		    fMatch = TRUE;                  \
		    break;                          \
				}



/* OLC
 * Snarf an 'area' header line.   Check this format.  MUCH better.  Add fields
 * too.
 *
 * #AREAFILE
 * Name   { All } Locke    Newbie School~
 * Repop  A teacher pops in the room and says, 'Repop coming!'~
 * Recall 3001
 * End
 */
void load_area( FILE *fp )
{
    AREA_DATA *pArea;
    char      *word;
    bool      fMatch;

    pArea               = alloc_perm( sizeof(*pArea) );
    pArea->age          = 15;
    pArea->nplayer      = 0;
    pArea->filename     = str_dup( strArea );
    pArea->vnum         = top_area;
    pArea->name         = str_dup( "New Area" );
    pArea->builders     = str_dup( "" );
    pArea->security     = 9;                    /* 9 -- Hugin */
    pArea->lvnum        = 0;
    pArea->uvnum        = 0;
    pArea->area_flags   = 0;
/*  pArea->recall       = ROOM_VNUM_TEMPLE;        ROM OLC */

    for ( ; ; )
    {
       word   = feof( fp ) ? "End" : fread_word( fp );
       fMatch = FALSE;

       switch ( UPPER(word[0]) )
       {
	   case 'N':
	    SKEY( "Name", pArea->name );
	    break;
	   case 'S':
	     KEY( "Security", pArea->security, fread_number( fp ) );
	    break;
	   case 'V':
	    if ( !str_cmp( word, "VNUMs" ) )
	    {
		pArea->lvnum = fread_number( fp );
		pArea->uvnum = fread_number( fp );
	    }
	    break;
	   case 'E':
	     if ( !str_cmp( word, "End" ) )
	     {
		 fMatch = TRUE;
		 if ( area_first == NULL )
		    area_first = pArea;
		 if ( area_last  != NULL )
		    area_last->next = pArea;
		 area_last   = pArea;
		 pArea->next = NULL;
		 top_area++;
		 return;
	    }
	    break;
	   case 'B':
	    SKEY( "Builders", pArea->builders );
	    break;
/* removed for ROM OLC
	    case 'R':
	    KEY( "Recall", pArea->recall, fread_number( fp ) );
	    break;
*/
	}
    }
}


/*
 * Sets vnum range for area using OLC protection features.
 */
void assign_area_vnum( int vnum )
{
    if ( area_last->lvnum == 0 || area_last->uvnum == 0 )
	area_last->lvnum = area_last->uvnum = vnum;
    if ( vnum != URANGE( area_last->lvnum, vnum, area_last->uvnum ) )
	if ( vnum < area_last->lvnum )
	    area_last->lvnum = vnum;
	else
	    area_last->uvnum = vnum;
    return;
}


/*
 * Snarf a help section.
 */
void load_helps( FILE *fp )
{
    HELP_DATA *pHelp;

    for ( ; ; )
    {
	pHelp           = alloc_perm( sizeof(*pHelp) );
	pHelp->level    = fread_number( fp );
	pHelp->keyword  = fread_string( fp );
	if ( pHelp->keyword[0] == '$' )
	    break;
	pHelp->text     = fread_string( fp );

	if ( !str_cmp( pHelp->keyword, "greeting" ) )
	    help_greeting = pHelp->text;
       
       if (!str_cmp(pHelp->keyword, "ansigreet"))
	 ansi_greeting = pHelp->text;
       
	if ( help_first == NULL )
	    help_first = pHelp;
	if ( help_last  != NULL )
	    help_last->next = pHelp;

	help_last       = pHelp;
	pHelp->next     = NULL;
	top_help++;
    }

    return;
}

/*
 * Adds a reset to a room.  OLC
 * Similar to add_reset in olc.c
 */
void new_reset( ROOM_INDEX_DATA *pR, RESET_DATA *pReset )
{
    RESET_DATA *pr;

    if ( !pR )
       return;

    pr = pR->reset_last;

    if ( !pr )
    {
	pR->reset_first = pReset;
	pR->reset_last  = pReset;
    }
    else
    {
	pR->reset_last->next = pReset;
	pR->reset_last       = pReset;
	pR->reset_last->next = NULL;
    }

    top_reset++;
    return;
}

/*
 * Snarf a reset section.       Changed for OLC.
 */
void load_resets( FILE *fp )
{
    RESET_DATA  *pReset;
    int         iLastRoom = 0;
    int         iLastObj  = 0;

    if ( !area_last )
    {
	bug( "Load_resets: no #AREA seen yet.", 0 );
	exit( 1 );
    }

    for ( ; ; )
    {
	EXIT_DATA       *pexit;
	ROOM_INDEX_DATA *pRoomIndex;
	char             letter;

	if ( ( letter = fread_letter( fp ) ) == 'S' )
	    break;

	if ( letter == '*' )
	{
	    fread_to_eol( fp );
	    continue;
	}

	pReset          = alloc_perm( sizeof( *pReset ) );
	pReset->command = letter;
	/* if_flag */     fread_number( fp );
	pReset->arg1    = fread_number( fp );
	pReset->arg2    = fread_number( fp );
	pReset->arg3    = ( letter == 'G' || letter == 'R' )
			    ? 0 : fread_number( fp );
			  fread_to_eol( fp );

	/*
	 * Validate parameters.
	 * We're calling the index functions for the side effect.
	 */
	switch ( letter )
	{
	default:
	    bug( "Load_resets: bad command '%c'.", letter );
	    exit( 1 );
	    break;

	case 'M':
	    get_mob_index  ( pReset->arg1 );
	    if ( ( pRoomIndex = get_room_index ( pReset->arg3 ) ) )
	    {
		new_reset( pRoomIndex, pReset );
		iLastRoom = pReset->arg3;
	    }
	    break;

	case 'O':
	    get_obj_index  ( pReset->arg1 );
	    if ( ( pRoomIndex = get_room_index ( pReset->arg3 ) ) )
	    {
		new_reset( pRoomIndex, pReset );
		iLastObj = pReset->arg3;
	    }
	    break;

	case 'P':
	    get_obj_index  ( pReset->arg1 );
	    if ( ( pRoomIndex = get_room_index ( iLastObj ) ) )
	    {
		new_reset( pRoomIndex, pReset );
	    }
	    break;

	case 'G':
	case 'E':
	    get_obj_index  ( pReset->arg1 );
	    if ( ( pRoomIndex = get_room_index ( iLastRoom ) ) )
	    {
		new_reset( pRoomIndex, pReset );
		iLastObj = iLastRoom;
	    }
	    break;

	case 'D':
	    pRoomIndex = get_room_index( pReset->arg1 );

	    if (   pReset->arg2 < 0
		|| pReset->arg2 > 5
		|| !pRoomIndex
		|| !( pexit = pRoomIndex->exit[pReset->arg2] )
		|| !IS_SET( pexit->rs_flags, EX_ISDOOR ) )
	    {
		bug( "Load_resets: 'D': exit %d not door.", pReset->arg2 );
		exit( 1 );
	    }

	    switch ( pReset->arg3 )
	    {
		default:
		    bug( "Load_resets: 'D': bad 'locks': %d." , pReset->arg3);
		case 0: SET_BIT( pexit->rs_flags, EX_CLOSED );
			break;
		case 1: SET_BIT( pexit->rs_flags, EX_LOCKED );          
			SET_BIT( pexit->rs_flags, EX_CLOSED );
			break;
		case 2: SET_BIT( pexit->rs_flags, EX_PICKPROOF );       
			SET_BIT( pexit->rs_flags, EX_CLOSED );
			SET_BIT( pexit->rs_flags, EX_LOCKED );
			break;
		case 3: SET_BIT( pexit->rs_flags, EX_PASSPROOF );
			SET_BIT( pexit->rs_flags, EX_CLOSED );
			SET_BIT( pexit->rs_flags, EX_LOCKED );
			break;
		case 4: SET_BIT( pexit->rs_flags, EX_PICKPROOF );
			SET_BIT( pexit->rs_flags, EX_PASSPROOF );
			SET_BIT( pexit->rs_flags, EX_CLOSED );
			SET_BIT( pexit->rs_flags, EX_LOCKED );
			break;
		case 5: SET_BIT( pexit->rs_flags, EX_CLOSED );
			SET_BIT( pexit->rs_flags, EX_HIDDEN );
			break;
		case 6: SET_BIT( pexit->rs_flags, EX_HIDDEN );
			SET_BIT( pexit->rs_flags, EX_CLOSED );
			SET_BIT( pexit->rs_flags, EX_LOCKED );
			break;
		case 7: SET_BIT( pexit->rs_flags, EX_HIDDEN );
			SET_BIT( pexit->rs_flags, EX_PASSPROOF );
			SET_BIT( pexit->rs_flags, EX_CLOSED );
			SET_BIT( pexit->rs_flags, EX_LOCKED );
			break;
		case 8: SET_BIT( pexit->rs_flags, EX_PICKPROOF );
			SET_BIT( pexit->rs_flags, EX_PASSPROOF );
			SET_BIT( pexit->rs_flags, EX_CLOSED );
			SET_BIT( pexit->rs_flags, EX_LOCKED );
			SET_BIT( pexit->rs_flags, EX_HIDDEN );
			break;
		case 9: SET_BIT( pexit->rs_flags, EX_PICKPROOF );
			SET_BIT( pexit->rs_flags, EX_HIDDEN );
			SET_BIT( pexit->rs_flags, EX_CLOSED );
			SET_BIT( pexit->rs_flags, EX_LOCKED );
			break;

	    }
	    /*
	     * By calling new_reset we are assigning reset data for doors.
	     * This data is not used in updating the game any longer.  But
	     * displaying resets in this manner may be to your liking.
	     * I have left the code here so you may do so.  Uncomment data in
	     * display_resets in olc.c if you wish to do this.
	     *
	     *
	    new_reset( pRoomIndex, pReset );
	     *
	     * End Resets Comment.
	     */
	    break;

	case 'R':
	    if ( pReset->arg2 < 0 || pReset->arg2 > 6 ) /* Last Door. */
	    {
		bug( "Load_resets: 'R': bad exit %d.", pReset->arg2 );
		exit( 1 );
	    }

	    if ( ( pRoomIndex = get_room_index( pReset->arg1 ) ) )
		new_reset( pRoomIndex, pReset );

	    break;
	}
    }

    return;
}

/*
 * Load in the room affects section.
 */

void load_raffects( FILE *fp )
{
   RAFFECT_DATA *raf;
   ROOM_INDEX_DATA *rix;
   RAFFECT_DATA *pRaf;
   
   if ( area_last == NULL )            /* no last area */
     {
	bug ("load_raffects: no #AREA seen yet.", 0);
	exit (1);
     }
   
   for ( ; ; )
     {
	char letter;
	sh_int vnum;
	
	letter = fread_letter(fp);     /* looking for a # */
	if (letter != '#')
	  {
	     bug( "load_raffects: Incorrect format. # not found before vnum or 0.", 0);
	     exit(1);
	  }
	vnum = fread_number(fp);       /* looking for a vnum after the # */
	if (vnum == 0) break;          /* stop loading room affects at #0 */
	if ((rix = get_room_index(vnum)) == NULL)   /* if room vnum doesn't exist */
	  {
	     bug( "load_raffects: room vnum %d doesn't exist!", vnum);
	     exit(1);
	  }
	raf = alloc_perm( sizeof(*raf));
	raf->type    = fread_number(fp);
	raf->dam_name = fread_string(fp);
	raf->room_message = fread_string(fp);
	raf->vict_message = fread_string(fp);
	raf->timer   = fread_number(fp);
	raf->val0    = fread_number(fp);
	raf->val1    = fread_number(fp);
	raf->val2    = fread_number(fp);
	raf->val3    = fread_number(fp);
	raf->val4    = fread_number(fp);
	
	if (rix->raffect == NULL)      /* if this is the first room affect for this room */
	  {                            /* create the first room affect */
	     raf->next    = NULL;
	     rix->raffect = raf;
	  }
	else                           /* if this isn't the first room affect for this room */
	  {                            /* add this room affect onto the list */
	for ( pRaf = rix->raffect; pRaf->next != NULL; pRaf = pRaf->next );
	     
	     raf->next          = NULL;
	     pRaf = raf;
	  }
     }
}

/*
 * Snarf a room section.
 */
void load_rooms( FILE *fp )
{
    ROOM_INDEX_DATA *pRoomIndex;

    if ( area_last == NULL )
    {
	bug( "load_rooms: no #AREA seen yet.", 0 );
	exit( 1 );
    }

    for ( ; ; )
    {
	sh_int vnum;
	char letter;
	int door;
	int iHash;

	letter                          = fread_letter( fp );
	if ( letter != '#' )
	{
	    bug( "Load_rooms: # not found.", 0 );
	    exit( 1 );
	}

	vnum                            = fread_number( fp );
	if ( vnum == 0 )
	    break;

	fBootDb = FALSE;
	if ( get_room_index( vnum ) != NULL )
	{
	    bug( "Load_rooms: vnum %d duplicated.", vnum );
	    exit( 1 );
	}
	fBootDb = TRUE;

	pRoomIndex                      = alloc_perm( sizeof(*pRoomIndex) );
	pRoomIndex->people              = NULL;
	pRoomIndex->contents            = NULL;
	pRoomIndex->extra_descr         = NULL;
	pRoomIndex->area                = area_last;
	pRoomIndex->vnum                = vnum;
	pRoomIndex->name                = fread_string( fp );
	pRoomIndex->description         = fread_string( fp );
	/* Area number */                 fread_number( fp );
	pRoomIndex->room_flags          = fread_flag( fp );
	pRoomIndex->sector_type         = fread_number( fp );
	pRoomIndex->light               = 0;
	for ( door = 0; door <= 5; door++ )
	    pRoomIndex->exit[door] = NULL;

	for ( ; ; )
	{
	    letter = fread_letter( fp );

	    if ( letter == 'S' )
		break;

	    if ( letter == 'D' )
	    {
		EXIT_DATA *pexit;
		int locks;

		door = fread_number( fp );
		if ( door < 0 || door > 5 )
		{
		    bug( "Fread_rooms: vnum %d has bad door number.", vnum );
		    exit( 1 );
		}

		pexit                   = alloc_perm( sizeof(*pexit) );
		pexit->description      = fread_string( fp );
		pexit->keyword          = fread_string( fp );
		pexit->exit_info        = 0;
		pexit->rs_flags         = 0;                    /* OLC */
		locks                   = fread_number( fp );
		pexit->key              = fread_number( fp );
		pexit->u1.vnum          = fread_number( fp );
		pexit->orig_door        = door;                 /* OLC */

		switch ( locks )        /* OLC exit_info to rs_flags. */
		{
		    case 1: pexit->rs_flags  = EX_ISDOOR;                    break;
		    case 2: pexit->rs_flags  = EX_ISDOOR | EX_PICKPROOF;     break;
		    case 3: pexit->rs_flags  = EX_ISDOOR | EX_PASSPROOF | EX_HIDDEN;     break;
		    case 4: pexit->rs_flags  = EX_ISDOOR | EX_PICKPROOF | EX_PASSPROOF | EX_HIDDEN;     break;
		    case 5: pexit->rs_flags  = EX_ISDOOR | EX_PASSPROOF;     break;
		    case 6: pexit->rs_flags  = EX_ISDOOR | EX_PICKPROOF | EX_PASSPROOF;     break;
		    case 7: pexit->rs_flags  = EX_ISDOOR | EX_HIDDEN;     break;
		    case 8: pexit->rs_flags  = EX_ISDOOR | EX_PICKPROOF | EX_HIDDEN;     break;
		}

		pRoomIndex->exit[door]  = pexit;
		top_exit++;
	    }
	    else if ( letter == 'E' )
	    {
		EXTRA_DESCR_DATA *ed;

		ed                      = alloc_perm( sizeof(*ed) );
		ed->keyword             = fread_string( fp );
		ed->description         = fread_string( fp );
		ed->next                = pRoomIndex->extra_descr;
		pRoomIndex->extra_descr = ed;
		top_ed++;
	    }
	    else
	    {
		bug( "Load_rooms: vnum %d has flag not 'DES'.", vnum );
		exit( 1 );
	    }
	}

	iHash                   = vnum % MAX_KEY_HASH;
	pRoomIndex->next        = room_index_hash[iHash];
	room_index_hash[iHash]  = pRoomIndex;
	top_room++;
	top_vnum_room = top_vnum_room < vnum ? vnum : top_vnum_room; /* OLC */
	assign_area_vnum( vnum );                                    /* OLC */
    }

    return;
}



/*
 * Snarf a shop section.
 */
void load_shops( FILE *fp )
{
    SHOP_DATA *pShop;

    for ( ; ; )
    {
	MOB_INDEX_DATA *pMobIndex;
	int iTrade;

	pShop                   = alloc_perm( sizeof(*pShop) );
	pShop->keeper           = fread_number( fp );
	if ( pShop->keeper == 0 )
	    break;
	for ( iTrade = 0; iTrade < MAX_TRADE; iTrade++ )
	    pShop->buy_type[iTrade]     = fread_number( fp );
	pShop->profit_buy       = fread_number( fp );
	pShop->profit_sell      = fread_number( fp );
	pShop->open_hour        = fread_number( fp );
	pShop->close_hour       = fread_number( fp );
				  fread_to_eol( fp );
	pMobIndex               = get_mob_index( pShop->keeper );
	pMobIndex->pShop        = pShop;

	if ( shop_first == NULL )
	    shop_first = pShop;
	if ( shop_last  != NULL )
	    shop_last->next = pShop;

	shop_last       = pShop;
	pShop->next     = NULL;
	top_shop++;
    }

    return;
}

/* void load_clans( FILE *fp )
 * {
 *   CLAN_DATA *pClan;
 * 
 *   for ( ; ; )
 *   {
 *       int iClass;
 *       int iRace;
 *       int iMembers;
 * 
 *       pClan                  = alloc_perm( sizeof(*pClan) );
 *       pClan->number          = fread_number( fp );
 *       if ( pClan->number == 999 )
 *           break;
 *       pClan->name            = fread_string( fp );
 *       pClan->visible         = fread_string( fp );
 *       pClan->leader          = fread_string( fp );
 *       pClan->god             = fread_string( fp );
 *       pClan->max_members     = fread_number( fp );
 *       pClan->min_level       = fread_number( fp );
 *       pClan->num_members     = fread_number( fp );
 *       pClan->req_flags       = fread_number( fp );
 *       pClan->cost_gold       = fread_number( fp );
 *       pClan->cost_xp         = fread_number( fp );
 *       for ( iClass = 0; iClass < MAX_CLASS; iClass++ )
 *           pClan->classes[iClass] = fread_number( fp );
 *       for ( iRace = 0; iRace < MAX_PC_RACE; iRace++ )
 *           pClan->races[iRace] = fread_number( fp );
 *       pClan->auto_accept     = fread_number( fp );
 *                                 fread_to_eol( fp );
 *       for ( iMembers=0; iMembers < pClan->num_members; iMembers++)
 *           pClan->members[iMembers] = fread_string( fp );
 *       
 *       if ( clan_first == NULL )
 *           clan_first = pClan;
 *       if ( clan_last != NULL )
 *           clan_last->next = pClan;
 * 
 *       clan_last      = pClan;
 *       pClan->next    = NULL;
 *       top_clan++;
 *   }
 * 
 *   return;
 * }
 */

/*
 * Snarf spec proc declarations.
 */
void load_specials( FILE *fp )
{
    for ( ; ; )
    {
	MOB_INDEX_DATA *pMobIndex;
	char letter;

	switch ( letter = fread_letter( fp ) )
	{
	default:
	    bug( "Load_specials: letter '%c' not *MS.", letter );
	    exit( 1 );

	case 'S':
	    return;

	case '*':
	    break;

	case 'M':
	    pMobIndex           = get_mob_index ( fread_number ( fp ) );
	    pMobIndex->spec_fun = spec_lookup   ( fread_word   ( fp ) );
	    if ( pMobIndex->spec_fun == 0 )
	    {
		bug( "Load_specials: 'M': vnum %d.", pMobIndex->vnum );
		exit( 1 );
	    }
	    break;
	}

	fread_to_eol( fp );
    }
}

/*
 * Translate all room exits from virtual to real.
 * Has to be done after all rooms are read in.
 * Check for bad reverse exits.
 */
void fix_exits( void )
{
   char buf[MAX_STRING_LENGTH]; 
   extern const sh_int rev_dir [];
    ROOM_INDEX_DATA *pRoomIndex;
    ROOM_INDEX_DATA *to_room;
    EXIT_DATA *pexit;
    EXIT_DATA *pexit_rev;
    int iHash;
    int door;

    for ( iHash = 0; iHash < MAX_KEY_HASH; iHash++ )
    {
	for ( pRoomIndex  = room_index_hash[iHash];
	      pRoomIndex != NULL;
	      pRoomIndex  = pRoomIndex->next )
	{
	    bool fexit;

	    fexit = FALSE;
	    for ( door = 0; door <= 5; door++ )
	    {
		if ( ( pexit = pRoomIndex->exit[door] ) != NULL )
		{
		    if ( pexit->u1.vnum <= 0 
		    || get_room_index(pexit->u1.vnum) == NULL)
			pexit->u1.to_room = NULL;
		    else
		    {
			fexit = TRUE; 
			pexit->u1.to_room = get_room_index( pexit->u1.vnum );
		    }
		}
	    }
	    if (!fexit)
		SET_BIT(pRoomIndex->room_flags,ROOM_NO_MOB);
	}
    }

    for ( iHash = 0; iHash < MAX_KEY_HASH; iHash++ )
    {
	for ( pRoomIndex  = room_index_hash[iHash];
	      pRoomIndex != NULL;
	      pRoomIndex  = pRoomIndex->next )
	{
	    for ( door = 0; door <= 5; door++ )
	    {
		if ( ( pexit     = pRoomIndex->exit[door]       ) != NULL
		&&   ( to_room   = pexit->u1.to_room            ) != NULL
		&&   ( pexit_rev = to_room->exit[rev_dir[door]] ) != NULL
		&&   pexit_rev->u1.to_room != pRoomIndex 
		&&   (pRoomIndex->vnum < 1200 || pRoomIndex->vnum > 1299))
		{
		    sprintf( buf, "Fix_exits: %d:%d -> %d:%d -> %d.",
			pRoomIndex->vnum, door,
			to_room->vnum,    rev_dir[door],
			(pexit_rev->u1.to_room == NULL)
			    ? 0 : pexit_rev->u1.to_room->vnum );
		    bug( buf, 0 );
		}
	    }
	}
    }

    return;
}



/*
 * Repopulate areas periodically.
 */
void area_update( void )
{
    AREA_DATA *pArea;

    for ( pArea = area_first; pArea != NULL; pArea = pArea->next )
    {

	if ( ++pArea->age < 3 )
	    continue;

	/*
	 * Check age and reset.
	 * Note: Mud School resets every 3 minutes (not 15).
	 */
	if ( (!pArea->empty && (pArea->nplayer == 0 || pArea->age >= 15))
	||    pArea->age >= 31)
	{
	    ROOM_INDEX_DATA *pRoomIndex;

	    reset_area( pArea );
	    pArea->age = number_range( 0, 3 );
	    pRoomIndex = get_room_index( ROOM_VNUM_SCHOOL );
	    if ( pRoomIndex != NULL && pArea == pRoomIndex->area )
		pArea->age = 15 - 2;
	    else if (pArea->nplayer == 0) 
		pArea->empty = TRUE;
	}
    }

    return;
}

/* OLC
 * Reset one room.  Called by reset_area and olc.
 */
void reset_room( ROOM_INDEX_DATA *pRoom )
{
    RESET_DATA  *pReset;
    CHAR_DATA   *pMob;
    OBJ_DATA    *pObj;
    CHAR_DATA   *LastMob = NULL;
    OBJ_DATA    *LastObj = NULL;
    int iExit;
    int level = 0;
    bool last;

    if ( !pRoom )
	return;

    pMob        = NULL;
    last        = FALSE;
    
    for ( iExit = 0;  iExit < MAX_DIR;  iExit++ )
    {
	EXIT_DATA *pExit;
	if ( ( pExit = pRoom->exit[iExit] )
	  /*  && !IS_SET( pExit->exit_info, EX_BASHED )   ROM OLC */ )  
	{
	    pExit->exit_info = pExit->rs_flags;
	    if ( ( pExit->u1.to_room != NULL )
	      && ( ( pExit = pExit->u1.to_room->exit[rev_dir[iExit]] ) ) )
	    {
		/* nail the other side */
		pExit->exit_info = pExit->rs_flags;
	    }
	}
    }

    for ( pReset = pRoom->reset_first; pReset != NULL; pReset = pReset->next )
    {
	MOB_INDEX_DATA  *pMobIndex;
	OBJ_INDEX_DATA  *pObjIndex;
	OBJ_INDEX_DATA  *pObjToIndex;
	ROOM_INDEX_DATA *pRoomIndex;

	switch ( pReset->command )
	{
	default:
		bug( "Reset_room: bad command %c.", pReset->command );
		break;

	case 'M':
	    if ( !( pMobIndex = get_mob_index( pReset->arg1 ) ) )
	    {
		bug( "Reset_room: 'M': bad vnum %d.", pReset->arg1 );
		continue;
	    }

	    if ( pMobIndex->count >= pReset->arg2 )
	    {
		last = FALSE;
		break;
	    }

	    pMob = create_mobile( pMobIndex );

	    /*
	     * Some more hard coding.
	     */
	    if ( room_is_dark( pRoom ) )
		SET_BIT(pMob->affected_by, AFF_INFRARED);
	    /*
	     * Pet shop mobiles get ACT_PET set.
	     */
	    {
		ROOM_INDEX_DATA *pRoomIndexPrev;

		pRoomIndexPrev = get_room_index( pRoom->vnum - 1 );
		if ( pRoomIndexPrev
		    && IS_SET( pRoomIndexPrev->room_flags, ROOM_PET_SHOP ) )
		    SET_BIT( pMob->act, ACT_PET);
	    }

	    char_to_room( pMob, pRoom );

	    LastMob = pMob;
	    level  = URANGE( 0, pMob->level - 2, LEVEL_HERO - 1 ); /* -1 ROM */
	    last = TRUE;
	    break;

	case 'O':
	    if ( !( pObjIndex = get_obj_index( pReset->arg1 ) ) )
	    {
		bug( "Reset_room: 'O': bad vnum %d.", pReset->arg1 );
		continue;
	    }

	    if ( !( pRoomIndex = get_room_index( pReset->arg3 ) ) )
	    {
		bug( "Reset_room: 'O': bad vnum %d.", pReset->arg3 );
		continue;
	    }

	      if ( pRoom->area->nplayer > 0
	      || count_obj_list( pObjIndex, pRoom->contents ) > 0 )
		break;

	    pObj = create_object( pObjIndex,              /* UMIN - ROM OLC */
				  UMIN(number_fuzzy( level ), LEVEL_HERO -1) );
	    pObj->cost = 0;
	    obj_to_room( pObj, pRoom );
	    break;

	case 'P':
	    if ( !( pObjIndex = get_obj_index( pReset->arg1 ) ) )
	    {
		bug( "Reset_room: 'P': bad vnum %d.", pReset->arg1 );
		continue;
	    }

	    if ( !( pObjToIndex = get_obj_index( pReset->arg3 ) ) )
	    {
		bug( "Reset_room: 'P': bad vnum %d.", pReset->arg3 );
		continue;
	    }

	      if ( pRoom->area->nplayer > 0
	      || !( LastObj = get_obj_type( pObjToIndex ) )
	      || count_obj_list( pObjIndex, LastObj->contains ) > 0 )
		break;
						/* lastObj->level  -  ROM */
	    pObj = create_object( pObjIndex, number_fuzzy( LastObj->level ) );
	    obj_to_obj( pObj, LastObj );
	    break;

	case 'G':
	case 'E':
	    if ( !( pObjIndex = get_obj_index( pReset->arg1 ) ) )
	    {
		bug( "Reset_room: 'E' or 'G': bad vnum %d.", pReset->arg1 );
		continue;
	    }

	  if ( !last )
		break;

	    if ( !LastMob )
	    {
		bug( "Reset_room: 'E' or 'G': null mob for vnum %d.",
		    pReset->arg1 );
		last = FALSE;
		break;
	    }

	    if ( LastMob->pIndexData->pShop )   /* Shop-keeper? */
	    {
		int olevel;

		switch ( pObjIndex->item_type )
		{
		default:                olevel = 0;                      break;
		case ITEM_PILL:         olevel = number_range(  0, 10 ); break;
		case ITEM_POTION:       olevel = number_range(  0, 10 ); break;
		case ITEM_SCROLL:       olevel = number_range(  5, 15 ); break;
		case ITEM_WAND:         olevel = number_range( 10, 20 ); break;
		case ITEM_STAFF:        olevel = number_range( 15, 25 ); break;
		case ITEM_ARMOR:        olevel = number_range(  5, 15 ); break;
		/* ROM patch weapon, treasure */
		case ITEM_WEAPON:       olevel = number_range(  5, 15 ); break;
		case ITEM_TREASURE:     olevel = number_range( 10, 20 ); break;

		  break;
		}

		pObj = create_object( pObjIndex, olevel );
		SET_BIT( pObj->extra_flags, ITEM_INVENTORY );  /* ROM OLC */

	    }
	    else   /* ROM OLC else version */
	    {
		int limit;
		if (pReset->arg2 > 50 )  /* old format */
		    limit = /*6*/999;
		else if ( pReset->arg2 == -1 )  /* no limit */
		    limit = 999;
		else
		    limit = pReset->arg2;

		if ( 1==1 )
		    pObj = create_object( pObjIndex, 
			   UMIN( number_fuzzy( level ), LEVEL_HERO - 1 ) );
		else
		    break;
	    }
									 
	    obj_to_char( pObj, LastMob );
	    if ( pReset->command == 'E' )
		equip_char( LastMob, pObj, pReset->arg3 );
	    last = TRUE;
	    break;

	case 'D':
	    break;

	case 'R':
	    if ( !( pRoomIndex = get_room_index( pReset->arg1 ) ) )
	    {
		bug( "Reset_room: 'R': bad vnum %d.", pReset->arg1 );
		continue;
	    }

	    {
		EXIT_DATA *pExit;
		int d0;
		int d1;

		for ( d0 = 0; d0 < pReset->arg2 - 1; d0++ )
		{
		    d1                   = number_range( d0, pReset->arg2-1 );
		    pExit                = pRoomIndex->exit[d0];
		    pRoomIndex->exit[d0] = pRoomIndex->exit[d1];
		    pRoomIndex->exit[d1] = pExit;
		}
	    }
	    break;
	}
    }

    return;
}


/* OLC
 * Reset one area.
 */
void reset_area( AREA_DATA *pArea )
{
    ROOM_INDEX_DATA *pRoom;
    int  vnum;

    for ( vnum = pArea->lvnum; vnum <= pArea->uvnum; vnum++ )
    {
	if ( ( pRoom = get_room_index(vnum) ) )
	    reset_room(pRoom);
    }

    return;
}

/*
 * Create an instance of a mobile.
 */
CHAR_DATA *create_mobile( MOB_INDEX_DATA *pMobIndex )
{
    CHAR_DATA *mob;
    int i;

    mobile_count++;

    if ( pMobIndex == NULL )
    {
	bug( "Create_mobile: NULL pMobIndex.", 0 );
	exit( 1 );
    }

    if ( char_free == NULL )
    {
	mob             = alloc_perm( sizeof(*mob) );
    }
    else
    {
	mob             = char_free;
	char_free       = char_free->next;
    }

    clear_char( mob );
    mob->pIndexData     = pMobIndex;

    mob->name           = str_dup( pMobIndex->player_name );    /* OLC */
    mob->short_descr    = str_dup( pMobIndex->short_descr );    /* OLC */
    mob->long_descr     = str_dup( pMobIndex->long_descr );     /* OLC */
    mob->description    = str_dup( pMobIndex->description );    /* OLC */
    mob->spec_fun       = pMobIndex->spec_fun;

    /* read from prototype */
    mob->act            = pMobIndex->act;
    mob->comm           = COMM_BRIEF;
    mob->affected_by    = pMobIndex->affected_by;
    mob->alignment      = pMobIndex->alignment;
    mob->level          = pMobIndex->level;
    mob->hitroll        = pMobIndex->hitroll;
    mob->damroll        = pMobIndex->damage[DICE_BONUS];
    mob->max_hit        = dice(pMobIndex->hit[DICE_NUMBER],
			pMobIndex->hit[DICE_TYPE])
			+ pMobIndex->hit[DICE_BONUS];
    mob->hit            = mob->max_hit;
    mob->max_mana       = dice(pMobIndex->mana[DICE_NUMBER],
			pMobIndex->mana[DICE_TYPE])
			+ pMobIndex->mana[DICE_BONUS];
    mob->mana           = mob->max_mana;
    mob->damage[DICE_NUMBER]    = pMobIndex->damage[DICE_NUMBER];
    mob->damage[DICE_TYPE]      = pMobIndex->damage[DICE_TYPE];
    mob->dam_type               = pMobIndex->dam_type;
    for (i = 0; i < 4; i++)
	mob->armor[i]   = pMobIndex->ac[i]; 
    mob->off_flags      = pMobIndex->off_flags;
    mob->imm_flags      = pMobIndex->imm_flags;
    mob->res_flags      = pMobIndex->res_flags;
    mob->vuln_flags     = pMobIndex->vuln_flags;
    mob->start_pos      = pMobIndex->start_pos;
    mob->default_pos    = pMobIndex->default_pos;
    mob->sex            = pMobIndex->sex;
    if (mob->sex == 3) /* random sex */
	mob->sex = number_range(1,2);
    mob->race           = pMobIndex->race;
    if (pMobIndex->gold == 0)
	mob->gold = 0;
    else
	mob->gold       = number_range(pMobIndex->gold/2,
			  pMobIndex->gold * 3/2);
    mob->form           = pMobIndex->form;
    mob->parts          = pMobIndex->parts;
    mob->size           = pMobIndex->size;
    mob->material       = pMobIndex->material;

    /* computed on the spot */

    for (i = 0; i < MAX_STATS; i ++)
	mob->perm_stat[i] = UMIN(25,11 + mob->level/4);
	    
    if (IS_SET(mob->act,ACT_WARRIOR))
    {
	mob->perm_stat[STAT_STR] += 3;
	mob->perm_stat[STAT_INT] -= 1;
	mob->perm_stat[STAT_CON] += 2;
    }
	
    if (IS_SET(mob->act,ACT_THIEF))
    {
	mob->perm_stat[STAT_DEX] += 3;
	mob->perm_stat[STAT_INT] += 1;
	mob->perm_stat[STAT_WIS] -= 1;
    }
	
    if (IS_SET(mob->act,ACT_CLERIC))
    {
	mob->perm_stat[STAT_WIS] += 3;
	mob->perm_stat[STAT_DEX] -= 1;
	mob->perm_stat[STAT_STR] += 1;
    }
    
    if (IS_SET(mob->act,ACT_MAGE))
    {
	mob->perm_stat[STAT_INT] += 3;
	mob->perm_stat[STAT_STR] -= 1;
	mob->perm_stat[STAT_DEX] += 1;
    }
      
    if (IS_SET(mob->off_flags,OFF_FAST))
	mob->perm_stat[STAT_DEX] += 2;
	   
    mob->perm_stat[STAT_STR] += mob->size - SIZE_MEDIUM;
    mob->perm_stat[STAT_CON] += (mob->size - SIZE_MEDIUM) / 2;

    mob->position = mob->start_pos;

    /* link the mob to the world list */
    mob->next           = char_list;
    char_list           = mob;
    pMobIndex->count++;
    return mob;
}

/* duplicate a mobile exactly -- except inventory */
void clone_mobile(CHAR_DATA *parent, CHAR_DATA *clone)
{
    int i;
    AFFECT_DATA *paf;

    if ( parent == NULL || clone == NULL || !IS_NPC(parent))
	return;
    
    /* start fixing values */ 
    clone->name         = str_dup(parent->name);
    clone->version      = parent->version;
    clone->short_descr  = str_dup(parent->short_descr);
    clone->long_descr   = str_dup(parent->long_descr);
    clone->description  = str_dup(parent->description);
    clone->sex          = parent->sex;
    clone->class        = parent->class;
    clone->race         = parent->race;
    clone->level        = parent->level;
    clone->trust        = 0;
    clone->timer        = parent->timer;
    clone->wait         = parent->wait;
    clone->hit          = parent->hit;
    clone->max_hit      = parent->max_hit;
    clone->mana         = parent->mana;
    clone->max_mana     = parent->max_mana;
    clone->move         = parent->move;
    clone->max_move     = parent->max_move;
    clone->gold         = parent->gold;
    clone->exp          = parent->exp;
    clone->act          = parent->act;
    clone->comm         = parent->comm;
    clone->imm_flags    = parent->imm_flags;
    clone->res_flags    = parent->res_flags;
    clone->vuln_flags   = parent->vuln_flags;
    clone->invis_level  = parent->invis_level;
    clone->affected_by  = parent->affected_by;
    clone->position     = parent->position;
    clone->practice     = parent->practice;
    clone->train        = parent->train;
    clone->saving_throw = parent->saving_throw;
    clone->alignment    = parent->alignment;
    clone->hitroll      = parent->hitroll;
    clone->damroll      = parent->damroll;
    clone->wimpy        = parent->wimpy;
    clone->form         = parent->form;
    clone->parts        = parent->parts;
    clone->size         = parent->size;
    clone->material     = parent->material;
    clone->off_flags    = parent->off_flags;
    clone->dam_type     = parent->dam_type;
    clone->start_pos    = parent->start_pos;
    clone->default_pos  = parent->default_pos;
    clone->spec_fun     = parent->spec_fun;
    
    for (i = 0; i < 4; i++)
	clone->armor[i] = parent->armor[i];

    for (i = 0; i < MAX_STATS; i++)
    {
	clone->perm_stat[i]     = parent->perm_stat[i];
	clone->mod_stat[i]      = parent->mod_stat[i];
    }

    for (i = 0; i < 3; i++)
	clone->damage[i]        = parent->damage[i];

    /* now add the affects */
    for (paf = parent->affected; paf != NULL; paf = paf->next)
	affect_to_char(clone,paf);

}




/*
 * Create an instance of an object.
 */
OBJ_DATA *create_object( OBJ_INDEX_DATA *pObjIndex, int level )
{
    static OBJ_DATA obj_zero;
    OBJ_DATA *obj;

    if ( pObjIndex == NULL )
    {
	bug( "Create_object: NULL pObjIndex.", 0 );
	exit( 1 );
    }

    if ( obj_free == NULL )
    {
	obj             = alloc_perm( sizeof(*obj) );
    }
    else
    {
	obj             = obj_free;
	if (obj_free->next != obj_free ) 
		obj_free        = obj_free->next;
	else
		bug ("Obj_free->next == Obj_free!", 0);
    }

    *obj                = obj_zero;
    obj->pIndexData     = pObjIndex;
    obj->in_room        = NULL;
    obj->enchanted      = FALSE;

    obj->level = pObjIndex->level;
    obj->wear_loc       = -1;

    obj->name           = str_dup( pObjIndex->name );           /* OLC */
    obj->short_descr    = str_dup( pObjIndex->short_descr );    /* OLC */
    obj->description    = str_dup( pObjIndex->description );    /* OLC */
    obj->material       = pObjIndex->material;
    obj->item_type      = pObjIndex->item_type;
    obj->extra_flags    = pObjIndex->extra_flags;
    obj->wear_flags     = pObjIndex->wear_flags;
    obj->value[0]       = pObjIndex->value[0];
    obj->value[1]       = pObjIndex->value[1];
    obj->value[2]       = pObjIndex->value[2];
    obj->value[3]       = pObjIndex->value[3];
    obj->value[4]       = pObjIndex->value[4];
    obj->weight         = pObjIndex->weight;

    obj->cost           = pObjIndex->cost;

    /*
     * Mess with object properties.
     */
    switch ( obj->item_type )
    {
    default:
	bug( "Read_object: vnum %d bad type.", pObjIndex->vnum );
	break;

    case ITEM_LIGHT:
	if (obj->value[2] == 999)
		obj->value[2] = -1;
	break;
    case ITEM_ARMOR:
    case ITEM_BOAT:
    case ITEM_CLOTHING:
    case ITEM_CONTAINER:
    case ITEM_CORPSE_NPC:
    case ITEM_CORPSE_PC:
    case ITEM_DRINK_CON:
    case ITEM_FOOD:
    case ITEM_FOUNTAIN:
    case ITEM_FURNITURE:
    case ITEM_KEY:
    case ITEM_MAP:
    case ITEM_MONEY:
    case ITEM_PILL:
    case ITEM_POTION:
    case ITEM_PROTECT:
    case ITEM_SCROLL:
    case ITEM_STAFF:
    case ITEM_TRASH:
    case ITEM_TREASURE:
    case ITEM_WAND:
    case ITEM_WEAPON:
	break;
    }

    if (obj->next != object_list)
	obj->next               = object_list;
    else
	bug ("Obj->next == object_list!", 0);
    object_list         = obj;
    pObjIndex->count++;

    return obj;
}

/* duplicate an object exactly -- except contents */
void clone_object(OBJ_DATA *parent, OBJ_DATA *clone)
{
    int i;
    AFFECT_DATA *paf;
/*    EXTRA_DESCR_DATA *ed,*ed_new; */

    if (parent == NULL || clone == NULL)
	return;

    /* start fixing the object */
    clone->name         = str_dup(parent->name);
    clone->short_descr  = str_dup(parent->short_descr);
    clone->description  = str_dup(parent->description);
    clone->item_type    = parent->item_type;
    clone->extra_flags  = parent->extra_flags;
    clone->wear_flags   = parent->wear_flags;
    clone->weight       = parent->weight;
    clone->cost         = parent->cost;
    clone->level        = parent->level;
    clone->condition    = parent->condition;
    clone->material     = parent->material;
    clone->timer        = parent->timer;

    for (i = 0;  i < 5; i ++)
	clone->value[i] = parent->value[i];

    /* affects */
    clone->enchanted    = parent->enchanted;
  
    for (paf = parent->affected; paf != NULL; paf = paf->next) 
	affect_to_obj(clone,paf);

    /* extended desc */
/*
    for (ed = parent->extra_descr; ed != NULL; ed = ed->next);
    {
	ed_new              = alloc_perm( sizeof(*ed_new) );

	ed_new->keyword         = str_dup( ed->keyword);
	ed_new->description     = str_dup( ed->description );
	ed_new->next            = clone->extra_descr;
	clone->extra_descr      = ed_new;
    }
*/

}



/*
 * Clear a new character.
 */
void clear_char( CHAR_DATA *ch )
{
    static CHAR_DATA ch_zero;
    int i;

    *ch                         = ch_zero;
    ch->name                    = &str_empty[0];
    ch->short_descr             = &str_empty[0];
    ch->long_descr              = &str_empty[0];
    ch->description             = &str_empty[0];
    ch->logon                   = current_time;
    ch->last_note               = 0;
    ch->lines                   = PAGELEN;
    for (i = 0; i < 4; i++)
	ch->armor[i]            = 100;
    ch->comm                    = 0;
    ch->position                = POS_STANDING;
    ch->practice                = 0;
    ch->hit                     = 20;
    ch->max_hit                 = 20;
    ch->mana                    = 100;
    ch->max_mana                = 100;
    ch->move                    = 100;
    ch->max_move                = 100;
 /*   ch->pcdata->recall_room     = get_room_index( ROOM_VNUM_TEMPLE ); */
    for (i = 0; i < MAX_STATS; i ++)
    {
	ch->perm_stat[i] = 13; 
	ch->mod_stat[i] = 0;
    }
    return;
}



/*
 * Free a character.
 */
void free_char( CHAR_DATA *ch )
{
    OBJ_DATA *obj;
    OBJ_DATA *obj_next;
    AFFECT_DATA *paf;
    AFFECT_DATA *paf_next;
    QUEUE_DATA  *mq;
    QUEUE_DATA  *mq_next;
    sh_int      i;
    
    if (IS_NPC(ch))
	mobile_count--;

    for ( obj = ch->carrying; obj != NULL; obj = obj_next )
    {
	obj_next = obj->next_content;
	extract_obj( obj );
    }

    for ( paf = ch->affected; paf != NULL; paf = paf_next )
    {
	paf_next = paf->next;
	affect_remove( ch, paf );
    }
    
    free_string( ch->name               );
    free_string( ch->short_descr        );
    free_string( ch->long_descr         );
    free_string( ch->description        );

    if ( ch->pcdata != NULL )
    {
	for ( mq = ch->pcdata->fmessage; mq != NULL; mq = mq_next )
	{
		mq_next = mq->next;
		free_string(mq->sender);
		free_string(mq->text);
		free_mem(mq, sizeof(QUEUE_DATA));
	}
	for ( mq = ch->pcdata->ftell_q; mq != NULL; mq = mq_next )
	 {
	    mq_next = mq->next;
	    free_string(mq->sender);
	    free_string(mq->text);
	    free_mem(mq, sizeof(QUEUE_DATA));
	 }
       
	for (i = 0; i < MAX_ALIAS; i++)
	{
	    if (ch->pcdata->alias[i] == NULL
	    ||  ch->pcdata->alias_sub[i] == NULL)
		break;
	   
	   free_string( ch->pcdata->alias[i] );
	   free_string( ch->pcdata->alias_sub[i] );
	}
	free_string( ch->pcdata->pwd            );
	free_string( ch->pcdata->bamfin         );
	free_string( ch->pcdata->bamfout        );
	free_string( ch->pcdata->title          );
	free_string( ch->pcdata->prompt         );
	free_string( ch->pcdata->nemesis        );
	free_string( ch->pcdata->email          );
	free_string( ch->pcdata->comment        );
	ch->pcdata->next = pcdata_free;
	pcdata_free      = ch->pcdata;
    }

    ch->next         = char_free;
    char_free        = ch;
    return;
}



/*
 * Get an extra description from a list.
 */
char *get_extra_descr( const char *name, EXTRA_DESCR_DATA *ed )
{
    for ( ; ed != NULL; ed = ed->next )
    {
	if ( is_name( (char *) name, ed->keyword ) )
	    return ed->description;
    }
    return NULL;
}



/*
 * Translates mob virtual number to its mob index struct.
 * Hash table lookup.
 */
MOB_INDEX_DATA *get_mob_index( int vnum )
{
    MOB_INDEX_DATA *pMobIndex;

    for ( pMobIndex  = mob_index_hash[vnum % MAX_KEY_HASH];
	  pMobIndex != NULL;
	  pMobIndex  = pMobIndex->next )
    {
	if ( pMobIndex->vnum == vnum )
	    return pMobIndex;
    }

    if ( fBootDb )
    {
	bug( "Get_mob_index: bad vnum %d.", vnum );
	exit( 1 );
    }

    return NULL;
}



/*
 * Translates mob virtual number to its obj index struct.
 * Hash table lookup.
 */
OBJ_INDEX_DATA *get_obj_index( int vnum )
{
    OBJ_INDEX_DATA *pObjIndex;

    for ( pObjIndex  = obj_index_hash[vnum % MAX_KEY_HASH];
	  pObjIndex != NULL;
	  pObjIndex  = pObjIndex->next )
    {
	if ( pObjIndex->vnum == vnum )
	    return pObjIndex;
    }

    if ( fBootDb )
    {
	bug( "Get_obj_index: bad vnum %d.", vnum );
	exit( 1 );
    }

    return NULL;
}



/*
 * Translates mob virtual number to its room index struct.
 * Hash table lookup.
 */
ROOM_INDEX_DATA *get_room_index( int vnum )
{
    ROOM_INDEX_DATA *pRoomIndex;

    for ( pRoomIndex  = room_index_hash[vnum % MAX_KEY_HASH];
	  pRoomIndex != NULL;
	  pRoomIndex  = pRoomIndex->next )
    {
	if ( pRoomIndex->vnum == vnum )
	    return pRoomIndex;
    }

    if ( fBootDb )
    {
	bug( "Get_room_index: bad vnum %d.", vnum );
	exit( 1 );
    }

    return NULL;
}



/*
 * Read a letter from a file.
 */
char fread_letter( FILE *fp )
{
    char c;

    do
    {
	c = getc( fp );
    }
    while ( isspace(c) );

    return c;
}



/*
 * Read a number from a file.
 */
int fread_number( FILE *fp )
{
    int number;
    bool sign;
    char c;

    do
    {
	c = getc( fp );
    }
    while ( isspace(c) );

    number = 0;

    sign   = FALSE;
    if ( c == '+' )
    {
	c = getc( fp );
    }
    else if ( c == '-' )
    {
	sign = TRUE;
	c = getc( fp );
    }

    if ( !isdigit(c) )
    {
	bug( "Fread_number: bad format.", 0 );
	exit( 1 );
    }

    while ( isdigit(c) )
    {
	number = number * 10 + c - '0';
	c      = getc( fp );
    }

    if ( sign )
	number = 0 - number;

    if ( c == '|' )
	number += fread_number( fp );
    else if ( c != ' ' )
	ungetc( c, fp );

    return number;
}

long fread_flag( FILE *fp)
{
    int number;
    char c;

    do
    {
	c = getc(fp);
    }
    while ( isspace(c));

    number = 0;

    if (!isdigit(c) && c != '-' ) /* ROM OLC */
    {
	while (('A' <= c && c <= 'Z') || ('a' <= c && c <= 'z'))
	{
	    number += flag_convert(c);
	    c = getc(fp);
	}
    }

    if ( c == '-' )      /* ROM OLC */
    {
	number = fread_number( fp );
	return -number;
    }

    while (isdigit(c))
    {
	number = number * 10 + c - '0';
	c = getc(fp);
    }

    if (c == '|')
	number += fread_flag(fp);

    else if  ( c != ' ')
	ungetc(c,fp);

    return number;
}

long flag_convert(char letter )
{
    long bitsum = 0;
    char i;

    if ('A' <= letter && letter <= 'Z') 
    {
	bitsum = 1;
	for (i = letter; i > 'A'; i--)
	    bitsum *= 2;
    }
    else if ('a' <= letter && letter <= 'z')
    {
	bitsum = 67108864; /* 2^26 */
	for (i = letter; i > 'a'; i --)
	    bitsum *= 2;
    }

    return bitsum;
}




/*
 * Read and allocate space for a string from a file.
 * These strings are read-only and shared.
 * Strings are hashed:
 *   each string prepended with hash pointer to prev string,
 *   hash code is simply the string length.
 *   this function takes 40% to 50% of boot-up time.
 */
char *fread_string( FILE *fp )
{
    char *plast;
    char c;

    plast = top_string + sizeof(char *);
    if ( plast > &string_space[MAX_STRING - MAX_STRING_LENGTH] )
    {
	bug( "Fread_string: MAX_STRING %d exceeded.", MAX_STRING );
	exit( 1 );
    }

    /*
     * Skip blanks.
     * Read first char.
     */
    do
    {
	c = getc( fp );
    }
    while ( isspace(c) );

    if ( ( *plast++ = c ) == '~' )
	return &str_empty[0];

    for ( ;; )
    {
	/*
	 * Back off the char type lookup,
	 *   it was too dirty for portability.
	 *   -- Furey
	 */

	switch ( *plast = getc(fp) )
	{
	default:
	    plast++;
	    break;
 
	case EOF:
	/* temp fix */
	    bug( "Fread_string: EOF", 0 );
	    return NULL;
	    /* exit( 1 ); */
	    break;
 
	case '\n':
	    plast++;
	    *plast++ = '\r';
	    break;
 
	case '\r':
	    break;
 
	case '~':
	    plast++;
	    {
		union
		{
		    char *      pc;
		    char        rgc[sizeof(char *)];
		} u1;
		int ic;
		int iHash;
		char *pHash;
		char *pHashPrev;
		char *pString;

		plast[-1] = '\0';
		iHash     = UMIN( MAX_KEY_HASH - 1, plast - 1 - top_string );
		for ( pHash = string_hash[iHash]; pHash; pHash = pHashPrev )
		{
		    for ( ic = 0; ic < sizeof(char *); ic++ )
			u1.rgc[ic] = pHash[ic];
		    pHashPrev = u1.pc;
		    pHash    += sizeof(char *);

		    if ( top_string[sizeof(char *)] == pHash[0]
		    &&   !strcmp( top_string+sizeof(char *)+1, pHash+1 ) )
			return pHash;
		}

		if ( fBootDb )
		{
		    pString             = top_string;
		    top_string          = plast;
		    u1.pc               = string_hash[iHash];
		    for ( ic = 0; ic < sizeof(char *); ic++ )
			pString[ic] = u1.rgc[ic];
		    string_hash[iHash]  = pString;

		    nAllocString += 1;
		    sAllocString += top_string - pString;
		    return pString + sizeof(char *);
		}
		else
		{
		    return str_dup( top_string + sizeof(char *) );
		}
	    }
	}
    }
}

char *fread_string_eol( FILE *fp )
{
    static bool char_special[256-EOF];
    char *plast;
    char c;
 
    if ( char_special[EOF-EOF] != TRUE )
    {
	char_special[EOF -  EOF] = TRUE;
	char_special['\n' - EOF] = TRUE;
	char_special['\r' - EOF] = TRUE;
    }
 
    plast = top_string + sizeof(char *);
    if ( plast > &string_space[MAX_STRING - MAX_STRING_LENGTH] )
    {
	bug( "Fread_string: MAX_STRING %d exceeded.", MAX_STRING );
	exit( 1 );
    }
 
    /*
     * Skip blanks.
     * Read first char.
     */
    do
    {
	c = getc( fp );
    }
    while ( isspace(c) );
 
    if ( ( *plast++ = c ) == '\n')
	return &str_empty[0];
 
    for ( ;; )
    {
	if ( !char_special[ ( *plast++ = getc( fp ) ) - EOF ] )
	    continue;
 
	switch ( plast[-1] )
	{
	default:
	    break;
 
	case EOF:
	    bug( "Fread_string_eol  EOF", 0 );
	    exit( 1 );
	    break;
 
	case '\n':  case '\r':
	    {
		union
		{
		    char *      pc;
		    char        rgc[sizeof(char *)];
		} u1;
		int ic;
		int iHash;
		char *pHash;
		char *pHashPrev;
		char *pString;
 
		plast[-1] = '\0';
		iHash     = UMIN( MAX_KEY_HASH - 1, plast - 1 - top_string );
		for ( pHash = string_hash[iHash]; pHash; pHash = pHashPrev )
		{
		    for ( ic = 0; ic < sizeof(char *); ic++ )
			u1.rgc[ic] = pHash[ic];
		    pHashPrev = u1.pc;
		    pHash    += sizeof(char *);
 
		    if ( top_string[sizeof(char *)] == pHash[0]
		    &&   !strcmp( top_string+sizeof(char *)+1, pHash+1 ) )
			return pHash;
		}
 
		if ( fBootDb )
		{
		    pString             = top_string;
		    top_string          = plast;
		    u1.pc               = string_hash[iHash];
		    for ( ic = 0; ic < sizeof(char *); ic++ )
			pString[ic] = u1.rgc[ic];
		    string_hash[iHash]  = pString;
 
		    nAllocString += 1;
		    sAllocString += top_string - pString;
		    return pString + sizeof(char *);
		}
		else
		{
		    return str_dup( top_string + sizeof(char *) );
		}
	    }
	}
    }
}



/*
 * Read to end of line (for comments).
 */
void fread_to_eol( FILE *fp )
{
    char c;

    do
    {
	c = getc( fp );
    }
    while ( c != '\n' && c != '\r' );

    do
    {
	c = getc( fp );
    }
    while ( c == '\n' || c == '\r' );

    ungetc( c, fp );
    return;
}

/*
 * Allocate memory for a string, read one word from a file,
 *  and return a pointer to the word.  Please remember to
 *  free this pointer when you're done with it...
 */
char *get_word(FILE *fp)
{
   char *word, *top;
   char ch;
   unsigned int len = 0;

   word = malloc(sizeof(char*));
   top  = word;

   do /* Skip whitespace */
     {
	ch=getc(fp);
	if (ch==EOF) return NULL;
     }
   while (isspace(ch));

   *word = ch; word++; len++;
   for (;;)
     {
	ch=getc(fp);
	if (ch==EOF) return NULL;
	if ((len>MAX_INPUT_LENGTH) || (isspace(ch)))
	  {
	     *word = '\0';
	     return top;
	  }
	*word = ch; word++; len++;
     }
}

/*
 * Read one word (into static buffer).
 */
char *fread_word( FILE *fp )
{
    static char word[MAX_INPUT_LENGTH];
    char *pword;
    char cEnd;

    do
    {
	cEnd = getc( fp );
    }
    while ( isspace( cEnd ) );

    if ( cEnd == '\'' || cEnd == '"' )
    {
	pword   = word;
    }
    else
    {
	word[0] = cEnd;
	pword   = word+1;
	cEnd    = ' ';
    }

    for ( ; pword < word + MAX_INPUT_LENGTH; pword++ )
    {
	*pword = getc( fp );
	if ( cEnd == ' ' ? isspace(*pword) : *pword == cEnd )
	{
	    if ( cEnd == ' ' )
		ungetc( *pword, fp );
	    *pword = '\0';
	    return word;
	}
    }

    bug( "Fread_word: word too long.", 0 );
    exit( 1 );
    return NULL;
}



/*
 * Allocate some ordinary memory,
 *   with the expectation of freeing it someday.
 */
void *alloc_mem( int sMem )
{
    void *pMem;
    int iList;

    for ( iList = 0; iList < MAX_MEM_LIST; iList++ )
    {
	if ( sMem <= rgSizeList[iList] )
	    break;
    }

    if ( iList == MAX_MEM_LIST )
    {
	bug( "Alloc_mem: size %d too large.", sMem );
	exit( 1 );
    }

    if ( rgFreeList[iList] == NULL )
    {
	pMem              = alloc_perm( rgSizeList[iList] );
    }
    else
    {
	pMem              = rgFreeList[iList];
	rgFreeList[iList] = * ((void **) rgFreeList[iList]);
    }

    return pMem;
}



/*
 * Free some memory.
 * Recycle it back onto the free list for blocks of that size.
 */
void free_mem( void *pMem, int sMem )
{
    int iList;

    for ( iList = 0; iList < MAX_MEM_LIST; iList++ )
    {
	if ( sMem <= rgSizeList[iList] )
	    break;
    }

    if ( iList == MAX_MEM_LIST )
    {
	bug( "Free_mem: size %d too large.", sMem );
	exit( 1 );
    }

    * ((void **) pMem) = rgFreeList[iList];
    rgFreeList[iList]  = pMem;

    return;
}



/*
 * Allocate some permanent memory.
 * Permanent memory is never freed,
 *   pointers into it may be copied safely.
 */
void *alloc_perm( int sMem )
{
    static char *pMemPerm;
    static int iMemPerm;
    void *pMem;

    while ( sMem % sizeof(long) != 0 )
	sMem++;
    if ( sMem > MAX_PERM_BLOCK )
    {
	bug( "Alloc_perm: %d too large.", sMem );
	exit( 1 );
    }

    if ( pMemPerm == NULL || iMemPerm + sMem > MAX_PERM_BLOCK )
    {
	iMemPerm = 0;
	if ( ( pMemPerm = calloc( 1, MAX_PERM_BLOCK ) ) == NULL )
	{
	    perror( "Alloc_perm" );
	    exit( 1 );
	}
    }

    pMem        = pMemPerm + iMemPerm;
    iMemPerm   += sMem;
    nAllocPerm += 1;
    sAllocPerm += sMem;
    return pMem;
}



/*
 * Duplicate a string into dynamic memory.
 * Fread_strings are read-only and shared.
 */
char *str_dup( const char *str )
{
    char *str_new;

    if ( str[0] == '\0' )
	return &str_empty[0];

    if ( str >= string_space && str < top_string )
	return (char *) str;

    str_new = alloc_mem( strlen(str) + 1 );
    strcpy( str_new, str );
    return str_new;
}

/* strlen() that doesn't count any valid color codes -Zak */
int str_len( const char *str )
{
   int numb=0;

   while (*str != '\0')
     {
	if (*str != '`')   /* If there's no `, add to the count  */
	  {
	     numb++;
	     str++;
	     continue;
	  }
	str++;             /* If there _IS_ a `, check next char */
	switch (*str)
	  {
/* If it's \0, count the first ` and get outta here */
	   case '\0': numb++; return numb;
/* If it's a color code, skip over it */
	   case 'k': case 'K': case 'r': case 'R': case 'b': case 'B':
	   case 'c': case 'C': case 'y': case 'Y': case 'm': case 'M':
	   case 'w': case 'W': case 'g': case 'G': str++; break;
/* If it's not a color code, count the ` and the following char, and advance */
	   default: numb++; numb++; str++; break;
	  }
	continue;
     }
   return numb;
}
	
/*
 * Free a string.
 * Null is legal here to simplify callers.
 * Read-only shared strings are not touched.
 */
void free_string( char *pstr )
{
    if ( pstr == NULL
    ||   pstr == &str_empty[0]
    || ( pstr >= string_space && pstr < top_string ) )
	return;

    free_mem( pstr, strlen(pstr) + 1 );
    return;
}



void do_areas( CHAR_DATA *ch, char *argument )
{
       char buf[MAX_STRING_LENGTH]; 
AREA_DATA *pArea1;
    AREA_DATA *pArea2;
    int iArea;
    int iAreaHalf;

    if (argument[0] != '\0')
    {
	send_to_char("No argument is used with this command.\n\r",ch);
	return;
    }

    iAreaHalf = (top_area + 1) / 2;
    pArea1    = area_first;
    pArea2    = area_first;
    for ( iArea = 0; iArea < iAreaHalf; iArea++ )
	pArea2 = pArea2->next;

    for ( iArea = 0; iArea < iAreaHalf; iArea++ )
    {
	sprintf( buf, "%-39s%-39s\n\r",
	    pArea1->name, (pArea2 != NULL) ? pArea2->name : "" );
	send_to_char( buf, ch );
	pArea1 = pArea1->next;
	if ( pArea2 != NULL )
	    pArea2 = pArea2->next;
    }

    return;
}



void do_memory( CHAR_DATA *ch, char *argument )
{
       char buf[MAX_STRING_LENGTH]; 
sprintf( buf, "Affects %5d\n\r", top_affect    ); send_to_char( buf, ch );
    sprintf( buf, "Areas   %5d\n\r", top_area      ); send_to_char( buf, ch );
    sprintf( buf, "ExDes   %5d\n\r", top_ed        ); send_to_char( buf, ch );
    sprintf( buf, "Exits   %5d\n\r", top_exit      ); send_to_char( buf, ch );
    sprintf( buf, "Helps   %5d\n\r", top_help      ); send_to_char( buf, ch );
    sprintf( buf, "Socials %5d\n\r", social_count  ); send_to_char( buf, ch );
    sprintf( buf, "Mobs    %5d\n\r", top_mob_index ); 
    send_to_char( buf, ch );
    sprintf( buf, "(in use)%5d\n\r", mobile_count  ); send_to_char( buf, ch );
    sprintf( buf, "Objs    %5d\n\r", top_obj_index ); 
    send_to_char( buf, ch );
    sprintf( buf, "Resets  %5d\n\r", top_reset     ); send_to_char( buf, ch );
    sprintf( buf, "Rooms   %5d\n\r", top_room      ); send_to_char( buf, ch );
    sprintf( buf, "Shops   %5d\n\r", top_shop      ); send_to_char( buf, ch );
/*    sprintf( buf, "Clans   %5d\n\r", top_clan    ); send_to_char( buf, ch ); */

    sprintf( buf, "Strings %5d strings of %7d bytes (max %d).\n\r",
	nAllocString, sAllocString, MAX_STRING );
    send_to_char( buf, ch );

    sprintf( buf, "Perms   %5d blocks  of %7d bytes.\n\r",
	nAllocPerm, sAllocPerm );
    send_to_char( buf, ch );

    return;
}

void do_dump( CHAR_DATA *ch, char *argument )
{
    int count,count2,num_pcs,aff_count;
    CHAR_DATA *fch;
    MOB_INDEX_DATA *pMobIndex;
    PC_DATA *pc;
    OBJ_DATA *obj;
    OBJ_INDEX_DATA *pObjIndex;
    ROOM_INDEX_DATA *room;
    EXIT_DATA *exit;
    DESCRIPTOR_DATA *d;
    AFFECT_DATA *af;
    FILE *fp;
    int vnum,nMatch = 0;

    /* open file */
    fclose(fpReserve);
    fp = fopen("mem.dmp","w");

    /* report use of data structures */
    
    num_pcs = 0;
    aff_count = 0;

    /* mobile prototypes */
    fprintf(fp,"MobProt	%4d (%8d bytes)\n",
	top_mob_index, top_mob_index * (sizeof(*pMobIndex))); 

    /* mobs */
    count = 0;  count2 = 0;
    for (fch = char_list; fch != NULL; fch = fch->next)
    {
	count++;
	if (fch->pcdata != NULL)
	    num_pcs++;
	for (af = fch->affected; af != NULL; af = af->next)
	    aff_count++;
    }
    for (fch = char_free; fch != NULL; fch = fch->next)
	count2++;

    fprintf(fp,"Mobs	%4d (%8d bytes), %2d free (%d bytes)\n",
	count, count * (sizeof(*fch)), count2, count2 * (sizeof(*fch)));

    /* pcdata */
    count = 0;
    for (pc = pcdata_free; pc != NULL; pc = pc->next)
	count++; 

    fprintf(fp,"Pcdata	%4d (%8d bytes), %2d free (%d bytes)\n",
	num_pcs, num_pcs * (sizeof(*pc)), count, count * (sizeof(*pc)));

    /* descriptors */
    count = 0; count2 = 0;
    for (d = descriptor_list; d != NULL; d = d->next)
	count++;
    for (d= descriptor_free; d != NULL; d = d->next)
	count2++;

    fprintf(fp, "Descs	%4d (%8d bytes), %2d free (%d bytes)\n",
	count, count * (sizeof(*d)), count2, count2 * (sizeof(*d)));

    /* object prototypes */
    for ( vnum = 0; nMatch < top_obj_index; vnum++ )
	if ( ( pObjIndex = get_obj_index( vnum ) ) != NULL )
	{
	    for (af = pObjIndex->affected; af != NULL; af = af->next)
		aff_count++;
	    nMatch++;
	}

    fprintf(fp,"ObjProt	%4d (%8d bytes)\n",
	top_obj_index, top_obj_index * (sizeof(*pObjIndex)));


    /* objects */
    count = 0;  count2 = 0;
    for (obj = object_list; obj != NULL; obj = obj->next)
    {
	count++;
	for (af = obj->affected; af != NULL; af = af->next)
	    aff_count++;
    }
    for (obj = obj_free; obj != NULL; obj = obj->next)
	count2++;

    fprintf(fp,"Objs	%4d (%8d bytes), %2d free (%d bytes)\n",
	count, count * (sizeof(*obj)), count2, count2 * (sizeof(*obj)));

    /* affects */
    count = 0;
    for (af = affect_free; af != NULL; af = af->next)
	count++;

    fprintf(fp,"Affects	%4d (%8d bytes), %2d free (%d bytes)\n",
	aff_count, aff_count * (sizeof(*af)), count, count * (sizeof(*af)));

    /* rooms */
    fprintf(fp,"Rooms	%4d (%8d bytes)\n",
	top_room, top_room * (sizeof(*room)));

     /* exits */
    fprintf(fp,"Exits	%4d (%8d bytes)\n",
	top_exit, top_exit * (sizeof(*exit)));

    fclose(fp);

    /* start printing out mobile data */
    fp = fopen("mob.dmp","w");

    fprintf(fp,"\nMobile Analysis\n");
    fprintf(fp,  "---------------\n");
    nMatch = 0;
    for (vnum = 0; nMatch < top_mob_index; vnum++)
	if ((pMobIndex = get_mob_index(vnum)) != NULL)
	{
	    nMatch++;
	    fprintf(fp,"#%-4d %3d active %3d killed     %s\n",
		pMobIndex->vnum,pMobIndex->count,
		pMobIndex->killed,pMobIndex->short_descr);
	}
    fclose(fp);
    fflush(fp);

    /* start printing out object data */
    fp = fopen("obj.dmp","w");

    fprintf(fp,"\nObject Analysis\n");
    fprintf(fp,  "---------------\n");
    nMatch = 0;
    for (vnum = 0; nMatch < top_obj_index; vnum++)
	if ((pObjIndex = get_obj_index(vnum)) != NULL)
	{
	    nMatch++;
	    fprintf(fp,"#%-4d %3d active %3d reset      %s\n",
		pObjIndex->vnum,pObjIndex->count,
		pObjIndex->reset_num,pObjIndex->short_descr);
	}

    /* close file */
    fclose(fp);
    fpReserve = fopen( NULL_FILE, "r" );
}



/*
 * Stick a little fuzz on a number.
 */
int number_fuzzy( int number )
{
    switch ( number_bits( 2 ) )
    {
    case 0:  number -= 1; break;
    case 3:  number += 1; break;
    }

    return UMAX( 1, number );
}



/*
 * Generate a random number.
 */
int number_range( int from, int to )
{
    int power;
    int number;

    if (from == 0 && to == 0)
	return 0;

    if ( ( to = to - from + 1 ) <= 1 )
	return from;

    for ( power = 2; power < to; power <<= 1 )
	;

    while ( ( number = number_mm() & (power -1 ) ) >= to )
	;

    return from + number;
}



/*
 * Generate a percentile roll.
 */
int number_percent( void )
{
    int percent;

    while ( (percent = number_mm() & (128-1) ) > 99 )
	;

    return 1 + percent;
}



/*
 * Generate a random door.
 */
int number_door( void )
{
    int door;

    while ( ( door = number_mm() & (8-1) ) > 5)
	;

    return door;
}

int number_bits( int width )
{
    return number_mm( ) & ( ( 1 << width ) - 1 );
}




/*
 * I've gotten too many bad reports on OS-supplied random number generators.
 * This is the Mitchell-Moore algorithm from Knuth Volume II.
 * Best to leave the constants alone unless you've read Knuth.
 * -- Furey
 */
static  int     rgiState[2+55];
 
void init_mm( )
{
    int *piState;
    int iState;
 
    piState     = &rgiState[2];
 
    piState[-2] = 55 - 55;
    piState[-1] = 55 - 24;
 
    piState[0]  = ((int) current_time) & ((1 << 30) - 1);
    piState[1]  = 1;
    for ( iState = 2; iState < 55; iState++ )
    {
	piState[iState] = (piState[iState-1] + piState[iState-2])
			& ((1 << 30) - 1);
    }
    return;
}
 
 
 
int number_mm( void )
{
    int *piState;
    int iState1;
    int iState2;
    int iRand;
 
    piState             = &rgiState[2];
    iState1             = piState[-2];
    iState2             = piState[-1];
    iRand               = (piState[iState1] + piState[iState2])
			& ((1 << 30) - 1);
    piState[iState1]    = iRand;
    if ( ++iState1 == 55 )
	iState1 = 0;
    if ( ++iState2 == 55 )
	iState2 = 0;
    piState[-2]         = iState1;
    piState[-1]         = iState2;
    return iRand >> 6;
}


/*
 * Roll some dice.
 */
int dice( int number, int size )
{
    int idice;
    int sum;

    switch ( size )
    {
    case 0: return 0;
    case 1: return number;
    }

    for ( idice = 0, sum = 0; idice < number; idice++ )
	sum += number_range( 1, size );

    return sum;
}



/*
 * Simple linear interpolation.
 */
int interpolate( int level, int value_00, int value_32 )
{
    return value_00 + level * (value_32 - value_00) / 32;
}



/*
 * Removes the tildes from a string.
 * Used for player-entered strings that go into disk files.
 */
void smash_tilde( char *str )
{
    for ( ; *str != '\0'; str++ )
    {
	if ( *str == '~' )
	    *str = '-';
    }

    return;
}



/*
 * Compare strings, case insensitive.
 * Return TRUE if different
 *   (compatibility with historical functions).
 */
bool str_cmp( const char *astr, const char *bstr )
{
    if ( astr == NULL )
    {
	bug( "Str_cmp: null astr.", 0 );
	return TRUE;
    }

    if ( bstr == NULL )
    {
	bug( "Str_cmp: null bstr.", 0 );
	return TRUE;
    }

    for ( ; *astr || *bstr; astr++, bstr++ )
    {
	if ( LOWER(*astr) != LOWER(*bstr) )
	    return TRUE;
    }

    return FALSE;
}



/*
 * Compare strings, case insensitive, for prefix matching.
 * Return TRUE if astr not a prefix of bstr
 *   (compatibility with historical functions).
 */
bool str_prefix( const char *astr, const char *bstr )
{
    if ( astr == NULL )
    {
	bug( "Strn_cmp: null astr.", 0 );
	return TRUE;
    }

    if ( bstr == NULL )
    {
	bug( "Strn_cmp: null bstr.", 0 );
	return TRUE;
    }

    for ( ; *astr; astr++, bstr++ )
    {
	if ( LOWER(*astr) != LOWER(*bstr) )
	    return TRUE;
    }

    return FALSE;
}



/*
 * Compare strings, case insensitive, for match anywhere.
 * Returns TRUE is astr not part of bstr.
 *   (compatibility with historical functions).
 */
bool str_infix( const char *astr, const char *bstr )
{
    int sstr1;
    int sstr2;
    int ichar;
    char c0;

    if ( ( c0 = LOWER(astr[0]) ) == '\0' )
	return FALSE;

    sstr1 = strlen(astr);
    sstr2 = strlen(bstr);

    for ( ichar = 0; ichar <= sstr2 - sstr1; ichar++ )
    {
	if ( c0 == LOWER(bstr[ichar]) && !str_prefix( astr, bstr + ichar ) )
	    return FALSE;
    }

    return TRUE;
}



/*
 * Compare strings, case insensitive, for suffix matching.
 * Return TRUE if astr not a suffix of bstr
 *   (compatibility with historical functions).
 */
bool str_suffix( const char *astr, const char *bstr )
{
    int sstr1;
    int sstr2;

    sstr1 = strlen(astr);
    sstr2 = strlen(bstr);
    if ( sstr1 <= sstr2 && !str_cmp( astr, bstr + sstr2 - sstr1 ) )
	return FALSE;
    else
	return TRUE;
}



/*
 * Returns an initial-capped string.
 */
char *capitalize( const char *str )
{
    static char strcap[MAX_STRING_LENGTH];
    int i;

    for ( i = 0; str[i] != '\0'; i++ )
	strcap[i] = LOWER(str[i]);
    strcap[i] = '\0';
    strcap[0] = UPPER(strcap[0]);
    return strcap;
}


/*
 * Append a string to a file.
 */
void append_file( CHAR_DATA *ch, char *file, char *str )
{
    FILE *fp;

    if ( IS_NPC(ch) || str[0] == '\0' )
	return;

    fclose( fpReserve );
    if ( ( fp = fopen( file, "a" ) ) == NULL )
    {
	perror( file );
	send_to_char( "Could not open the file!\n\r", ch );
    }
    else
    {
	fprintf( fp, "[%5d] %s: %s\n",
	    ch->in_room ? ch->in_room->vnum : 0, ch->name, str );
	fclose( fp );
    }

    fpReserve = fopen( NULL_FILE, "r" );
    return;
}



/*
 * Reports a bug.
 */
void bug( const char *str, int param )
{
      char buf[MAX_STRING_LENGTH]; 

    FILE *fp;

    if ( fpArea != NULL )
    {
	int iLine;
	int iChar;

	if ( fpArea == stdin )
	{
	    iLine = 0;
	}
	else
	{
	    iChar = ftell( fpArea );
	    fseek( fpArea, 0, 0 );
	    for ( iLine = 0; ftell( fpArea ) < iChar; iLine++ )
	    {
		while ( getc( fpArea ) != '\n' )
		    ;
	    }
	    fseek( fpArea, iChar, 0 );
	}

	sprintf( buf, "[*****] FILE: %s LINE: %d", strArea, iLine );
	log_string( buf );

	if ( ( fp = fopen( "shutdown.txt", "a" ) ) != NULL )
	{
	    fprintf( fp, "[*****] %s\n", buf );
	    fclose( fp );
	}
    }

    strcpy( buf, "[*****] BUG: " );
    sprintf( buf + strlen(buf), str, param );
    log_string( buf );
/* RT removed due to bug-file spamming 
    fclose( fpReserve );
    if ( ( fp = fopen( BUG_FILE, "a" ) ) != NULL )
    {
	fprintf( fp, "%s\n", buf );
	fclose( fp );
    }
    fpReserve = fopen( NULL_FILE, "r" );
*/

    return;
}



/*
 * Writes a string to the log.
 */
void log_string( const char *str )
{
    char *strtime;

    strtime                    = ctime( &current_time );
    strtime[strlen(strtime)-1] = '\0';
    fprintf( stderr, "%s :: %s\n", strtime, str );
    return;
}



/*
 * This function is here to aid in debugging.
 * If the last expression in a function is another function call,
 *   gcc likes to generate a JMP instead of a CALL.
 * This is called "tail chaining."
 * It hoses the debugger call stack for that call.
 * So I make this the last call in certain critical functions,
 *   where I really need the call stack to be right for debugging!
 *
 * If you don't understand this, then LEAVE IT ALONE.
 * Don't remove any calls to tail_chain anywhere.
 *
 * -- Furey
 */
void tail_chain( void )
{
    return;
}

/* the functions */

/* This routine transfers between alpha and numeric forms of the
 *  mob_prog bitvector types. This allows the use of the words in the
 *  mob/script files.
 */

int mprog_name_to_type ( char *name )
{
   if ( !str_cmp( name, "in_file_prog"   ) )    return IN_FILE_PROG;
   if ( !str_cmp( name, "act_prog"       ) )    return ACT_PROG;
   if ( !str_cmp( name, "speech_prog"    ) )    return SPEECH_PROG;
   if ( !str_cmp( name, "rand_prog"      ) )    return RAND_PROG;
   if ( !str_cmp( name, "fight_prog"     ) )    return FIGHT_PROG;
   if ( !str_cmp( name, "hitprcnt_prog"  ) )    return HITPRCNT_PROG;
   if ( !str_cmp( name, "death_prog"     ) )    return DEATH_PROG;
   if ( !str_cmp( name, "entry_prog"     ) )    return ENTRY_PROG;
   if ( !str_cmp( name, "greet_prog"     ) )    return GREET_PROG;
   if ( !str_cmp( name, "all_greet_prog" ) )    return ALL_GREET_PROG;
   if ( !str_cmp( name, "give_prog"      ) )    return GIVE_PROG;
   if ( !str_cmp( name, "bribe_prog"     ) )    return BRIBE_PROG;

   return( ERROR_PROG );
}

/* This routine reads in scripts of MOBprograms from a file */

MPROG_DATA* mprog_file_read( char *f, MPROG_DATA *mprg,
			    MOB_INDEX_DATA *pMobIndex )
{

  char        MOBProgfile[ MAX_INPUT_LENGTH ];
  MPROG_DATA *mprg2;
  FILE       *progfile;
  char        letter;
  bool        done = FALSE;

  sprintf( MOBProgfile, "%s%s", MOB_DIR, f );

  progfile = fopen( MOBProgfile, "r" );
  if ( !progfile )
  {
     bug( "Mob: %d couldnt open mobprog file", pMobIndex->vnum );
     exit( 1 );
  }

  mprg2 = mprg;
  switch ( letter = fread_letter( progfile ) )
  {
    case '>':
     break;
    case '|':
       bug( "empty mobprog file.", 0 );
       exit( 1 );
     break;
    default:
       bug( "in mobprog file syntax error.", 0 );
       exit( 1 );
     break;
  }

  while ( !done )
  {
    mprg2->type = mprog_name_to_type( fread_word( progfile ) );
    switch ( mprg2->type )
    {
     case ERROR_PROG:
	bug( "mobprog file type error", 0 );
	exit( 1 );
      break;
     case IN_FILE_PROG:
	bug( "mprog file contains a call to file.", 0 );
	exit( 1 );
      break;
     default:
	pMobIndex->progtypes = pMobIndex->progtypes | mprg2->type;
	mprg2->arglist       = fread_string( progfile );
	mprg2->comlist       = fread_string( progfile );
	switch ( letter = fread_letter( progfile ) )
	{
	  case '>':
	     mprg2->next = (MPROG_DATA *)alloc_perm( sizeof( MPROG_DATA ) );
	     mprg2       = mprg2->next;
	     mprg2->next = NULL;
	   break;
	  case '|':
	     done = TRUE;
	   break;
	  default:
	     bug( "in mobprog file syntax error.", 0 );
	     exit( 1 );
	   break;
	}
      break;
    }
  }
  fclose( progfile );
  return mprg2;
}

/* Snarf a MOBprogram section from the area file.
 */
void load_mobprogs( FILE *fp )
{
  MOB_INDEX_DATA *iMob;
  MPROG_DATA     *original;
  MPROG_DATA     *working;
  char            letter;
  int             value;

  for ( ; ; )
    switch ( letter = fread_letter( fp ) )
    {
    default:
      bug( "Load_mobprogs: bad command '%c'.",letter);
      exit(1);
      break;
    case 'S':
    case 's':
      fread_to_eol( fp ); 
      return;
    case '*':
      fread_to_eol( fp ); 
      break;
    case 'M':
    case 'm':
      value = fread_number( fp );
      if ( ( iMob = get_mob_index( value ) ) == NULL )
      {
	bug( "Load_mobprogs: vnum %d doesnt exist", value );
	exit( 1 );
      }
    
      /* Go to the end of the prog command list if other commands
	 exist */

      if ( ( original = iMob->mobprogs ) )
	for ( ; original->next != NULL; original = original->next );

      working = (MPROG_DATA *)alloc_perm( sizeof( MPROG_DATA ) );
      if ( original )
	original->next = working;
      else
	iMob->mobprogs = working;
      working       = mprog_file_read( fread_word( fp ), working, iMob );
      working->next = NULL;
      fread_to_eol( fp );
      break;
    }

  return;

} 

/* This procedure is responsible for reading any in_file MOBprograms.
 */

void mprog_read_programs( FILE *fp, MOB_INDEX_DATA *pMobIndex)
{
  MPROG_DATA *mprg;
  char        letter;
  bool        done = FALSE;

  if ( ( letter = fread_letter( fp ) ) != '>' )
  {
      bug( "Load_mobiles: vnum %d MOBPROG char", pMobIndex->vnum );
      exit( 1 );
  }
  pMobIndex->mobprogs = (MPROG_DATA *)alloc_perm( sizeof( MPROG_DATA ) );
  mprg = pMobIndex->mobprogs;

  while ( !done )
  {
    mprg->type = mprog_name_to_type( fread_word( fp ) );
    switch ( mprg->type )
    {
     case ERROR_PROG:
	bug( "Load_mobiles: vnum %d MOBPROG type.", pMobIndex->vnum );
	exit( 1 );
      break;
     case IN_FILE_PROG:
	mprg = mprog_file_read( fread_string( fp ), mprg,pMobIndex );
	fread_to_eol( fp );
	switch ( letter = fread_letter( fp ) )
	{
	  case '>':
	     mprg->next = (MPROG_DATA *)alloc_perm( sizeof( MPROG_DATA ) );
	     mprg       = mprg->next;
	     mprg->next = NULL;
	   break;
	  case '|':
	     mprg->next = NULL;
	     fread_to_eol( fp );
	     done = TRUE;
	   break;
	  default:
	     bug( "Load_mobiles: vnum %d bad MOBPROG.", pMobIndex->vnum );
	     exit( 1 );
	   break;
	}
      break;
     default:
	pMobIndex->progtypes = pMobIndex->progtypes | mprg->type;
	mprg->arglist        = fread_string( fp );
	fread_to_eol( fp );
	mprg->comlist        = fread_string( fp );
	fread_to_eol( fp );
	switch ( letter = fread_letter( fp ) )
	{
	  case '>':
	     mprg->next = (MPROG_DATA *)alloc_perm( sizeof( MPROG_DATA ) );
	     mprg       = mprg->next;
	     mprg->next = NULL;
	   break;
	  case '|':
	     mprg->next = NULL;
	     fread_to_eol( fp );
	     done = TRUE;
	   break;
	  default:
	     bug( "Load_mobiles: vnum %d bad MOBPROG.", pMobIndex->vnum );
	     exit( 1 );
	   break;
	}
      break;
    }
  }

  return;

}

void load_socials( FILE *fp)
{
    for ( ; ; ) 
    {
	struct social_type social;
	char *temp;
	/* clear social */
	social.char_no_arg = NULL;
	social.others_no_arg = NULL;
	social.char_found = NULL;
	social.others_found = NULL;
	social.vict_found = NULL; 
	social.char_not_found = NULL;
	social.char_auto = NULL;
	social.others_auto = NULL;

	temp = fread_word(fp);
	if (!strcmp(temp,"#0"))
	    return;  /* done */

	strcpy(social.name,temp);
	fread_to_eol(fp);

	temp = fread_string_eol(fp);
	if (!strcmp(temp,"$"))
	     social.char_no_arg = NULL;
	else if (!strcmp(temp,"#"))
	{
	     social_table[social_count] = social;
	     social_count++;
	     continue; 
	}
	else
	    social.char_no_arg = temp;

	temp = fread_string_eol(fp);
	if (!strcmp(temp,"$"))
	     social.others_no_arg = NULL;
	else if (!strcmp(temp,"#"))
	{
	     social_table[social_count] = social;
	     social_count++;
	     continue;
	}
	else
	    social.others_no_arg = temp;

	temp = fread_string_eol(fp);
	if (!strcmp(temp,"$"))
	     social.char_found = NULL;
	else if (!strcmp(temp,"#"))
	{
	     social_table[social_count] = social;
	     social_count++;
	     continue;
	}
	else
	    social.char_found = temp;

	temp = fread_string_eol(fp);
	if (!strcmp(temp,"$"))
	     social.others_found = NULL;
	else if (!strcmp(temp,"#"))
	{
	     social_table[social_count] = social;
	     social_count++;
	     continue;
	}
	else
	    social.others_found = temp; 

	temp = fread_string_eol(fp);
	if (!strcmp(temp,"$"))
	     social.vict_found = NULL;
	else if (!strcmp(temp,"#"))
	{
	     social_table[social_count] = social;
	     social_count++;
	     continue;
	}
	else
	    social.vict_found = temp;

	temp = fread_string_eol(fp);
	if (!strcmp(temp,"$"))
	     social.char_not_found = NULL;
	else if (!strcmp(temp,"#"))
	{
	     social_table[social_count] = social;
	     social_count++;
	     continue;
	}
	else
	    social.char_not_found = temp;

	temp = fread_string_eol(fp);
	if (!strcmp(temp,"$"))
	     social.char_auto = NULL;
	else if (!strcmp(temp,"#"))
	{
	     social_table[social_count] = social;
	     social_count++;
	     continue;
	}
	else
	    social.char_auto = temp;
	 
	temp = fread_string_eol(fp);
	if (!strcmp(temp,"$"))
	     social.others_auto = NULL;
	else if (!strcmp(temp,"#"))
	{
	     social_table[social_count] = social;
	     social_count++;
	     continue;
	}
	else
	    social.others_auto = temp; 
	
	social_table[social_count] = social;
	social_count++;
   }
   return;
}

/*
 * Snarf a mob section.
 */
void load_mobiles( FILE *fp )
{
    MOB_INDEX_DATA *pMobIndex;
 
    if ( !area_last )   /* OLC */
    {
	bug( "Load_mobiles: no #AREA seen yet.", 0 );
	exit( 1 );
    }
    for ( ; ; )
    {
	sh_int vnum;
	char letter,temp;
	int iHash;
 
	letter                          = fread_letter( fp );
	if ( letter != '#' )
	{
	    bug( "Load_mobiles: # not found.", 0 );
	    exit( 1 );
	}
 
	vnum                            = fread_number( fp );
	if ( vnum == 0 )
	    break;
 
	fBootDb = FALSE;
	if ( get_mob_index( vnum ) != NULL )
	{
	    bug( "Load_mobiles: vnum %d duplicated.", vnum );
	    exit( 1 );
	}
	fBootDb = TRUE;
 
	pMobIndex                       = alloc_perm( sizeof(*pMobIndex) );
	pMobIndex->vnum                 = vnum;
	pMobIndex->area                 = area_last;               /* OLC */
	pMobIndex->player_name          = fread_string( fp );
	pMobIndex->short_descr          = fread_string( fp );
	pMobIndex->long_descr           = fread_string( fp );
	pMobIndex->description          = fread_string( fp );
	pMobIndex->race                 = race_lookup(fread_string( fp ));
 
	pMobIndex->long_descr[0]        = UPPER(pMobIndex->long_descr[0]);
	pMobIndex->description[0]       = UPPER(pMobIndex->description[0]);
 
	pMobIndex->act                  = fread_flag( fp ) | ACT_IS_NPC
					| race_table[pMobIndex->race].act;
	pMobIndex->affected_by          = fread_flag( fp )
					| race_table[pMobIndex->race].aff;
	pMobIndex->pShop                = NULL;
	pMobIndex->alignment            = fread_number( fp );
	letter                          = fread_letter( fp );

	pMobIndex->level                = fread_number( fp );
	pMobIndex->hitroll              = fread_number( fp );  

	/* read hit dice */
	pMobIndex->hit[DICE_NUMBER]     = fread_number( fp );  
	/* 'd'          */                fread_letter( fp ); 
	pMobIndex->hit[DICE_TYPE]       = fread_number( fp );
	/* '+'          */                fread_letter( fp );   
	pMobIndex->hit[DICE_BONUS]      = fread_number( fp ); 

	/* read mana dice */
	pMobIndex->mana[DICE_NUMBER]    = fread_number( fp );
					  fread_letter( fp );
	pMobIndex->mana[DICE_TYPE]      = fread_number( fp );
					  fread_letter( fp );
	pMobIndex->mana[DICE_BONUS]     = fread_number( fp );

	/* read damage dice */
	pMobIndex->damage[DICE_NUMBER]  = fread_number( fp );
					  fread_letter( fp );
	pMobIndex->damage[DICE_TYPE]    = fread_number( fp );
					  fread_letter( fp );
	pMobIndex->damage[DICE_BONUS]   = fread_number( fp );
	pMobIndex->dam_type             = fread_number( fp );

	/* read armor class */
	pMobIndex->ac[AC_PIERCE]        = fread_number( fp ) * 10;
	pMobIndex->ac[AC_BASH]          = fread_number( fp ) * 10;
	pMobIndex->ac[AC_SLASH]         = fread_number( fp ) * 10;
	pMobIndex->ac[AC_EXOTIC]        = fread_number( fp ) * 10;

	/* read flags and add in data from the race table */
	pMobIndex->off_flags            = fread_flag( fp ) 
					| race_table[pMobIndex->race].off;
	pMobIndex->imm_flags            = fread_flag( fp )
					| race_table[pMobIndex->race].imm;
	pMobIndex->res_flags            = fread_flag( fp )
					| race_table[pMobIndex->race].res;
	pMobIndex->vuln_flags           = fread_flag( fp )
					| race_table[pMobIndex->race].vuln;
	/* vital statistics */
	pMobIndex->start_pos            = fread_number( fp );
	pMobIndex->default_pos          = fread_number( fp );
	pMobIndex->sex                  = fread_number( fp );
	pMobIndex->gold                 = fread_number( fp );
	
	pMobIndex->form                 = fread_flag( fp )
					| race_table[pMobIndex->race].form;
	pMobIndex->parts                = fread_flag( fp )
					| race_table[pMobIndex->race].parts;
	/* size */
	temp                            = fread_letter( fp );
	switch (temp)
	{
	    case ('T') :                pMobIndex->size = SIZE_TINY;    break;
	    case ('S') :                pMobIndex->size = SIZE_SMALL;   break;
	    case ('M') :                pMobIndex->size = SIZE_MEDIUM;  break;
	    case ('L') :                pMobIndex->size = SIZE_LARGE;   break;
	    case ('H') :                pMobIndex->size = SIZE_HUGE;    break;
	    case ('G') :                pMobIndex->size = SIZE_GIANT;   break;
	    default:                    pMobIndex->size = SIZE_MEDIUM; break;
	}
	pMobIndex->material             = material_lookup(fread_word( fp ));
 
/*       pMobIndex->clan=letter-64; */
/*       if (letter == 'S') pMobIndex->clan=0; */
       letter = fread_letter( fp );
       if ( letter == '>' )
	 {
	    ungetc( letter, fp );
	    mprog_read_programs( fp, pMobIndex );
	 }
       else ungetc( letter,fp );
       
	iHash                   = vnum % MAX_KEY_HASH;
	pMobIndex->next         = mob_index_hash[iHash];
	mob_index_hash[iHash]   = pMobIndex;
	top_mob_index++;
	top_vnum_mob = top_vnum_mob < vnum ? vnum : top_vnum_mob;  /* OLC */
	assign_area_vnum( vnum );                                  /* OLC */
	kill_table[URANGE(0, pMobIndex->level, MAX_LEVEL-1)].number++;
    }
 
    return;
}

/*
 * Snarf an obj section.
 */
void load_objects( FILE *fp )
{
    OBJ_INDEX_DATA *pObjIndex;
 
    if ( !area_last )   /* OLC */
    {
	bug( "Load_objects: no #AREA seen yet.", 0 );
	exit( 1 );
    }
    for ( ; ; )
    {
	sh_int vnum;
	char letter;
	int iHash;
 
	letter                          = fread_letter( fp );
	if ( letter != '#' )
	{
	    bug( "Load_objects: # not found.", 0 );
	    exit( 1 );
	}
 
	vnum                            = fread_number( fp );
	if ( vnum == 0 )
	    break;
 
	fBootDb = FALSE;
	if ( get_obj_index( vnum ) != NULL )
	{
	    bug( "Load_objects: vnum %d duplicated.", vnum );
	    exit( 1 );
	}
	fBootDb = TRUE;
 
	pObjIndex                       = alloc_perm( sizeof(*pObjIndex) );
	pObjIndex->vnum                 = vnum;
	pObjIndex->area                 = area_last;            /* OLC */
	pObjIndex->reset_num            = 0;
	pObjIndex->name                 = fread_string( fp );
	pObjIndex->short_descr          = fread_string( fp );
	pObjIndex->description          = fread_string( fp );
	pObjIndex->material             = material_lookup(fread_string( fp ));
 
	pObjIndex->item_type            = fread_number( fp );
	pObjIndex->extra_flags          = fread_flag( fp );
	pObjIndex->wear_flags           = fread_flag( fp );
	pObjIndex->value[0]             = fread_flag( fp );
	pObjIndex->value[1]             = fread_flag( fp );
	pObjIndex->value[2]             = fread_flag( fp );
	pObjIndex->value[3]             = fread_flag( fp );
	pObjIndex->value[4]             = fread_flag( fp );
	pObjIndex->level                = fread_number( fp );
	pObjIndex->weight               = fread_number( fp );
	pObjIndex->cost                 = fread_number( fp ); 

	/* condition */
	letter                          = fread_letter( fp );
	switch (letter)
	{
	    case ('P') :                pObjIndex->condition = 100; break;
	    case ('G') :                pObjIndex->condition =  90; break;
	    case ('A') :                pObjIndex->condition =  75; break;
	    case ('W') :                pObjIndex->condition =  50; break;
	    case ('D') :                pObjIndex->condition =  25; break;
	    case ('B') :                pObjIndex->condition =  10; break;
	    case ('R') :                pObjIndex->condition =   0; break;
	    default:                    pObjIndex->condition = 100; break;
	}
 
	for ( ; ; )
	{
	    char letter;
 
	    letter = fread_letter( fp );
 
	    if ( letter == 'A' )
	    {
		AFFECT_DATA *paf;
 
		paf                     = alloc_perm( sizeof(*paf) );
		paf->type               = -1;
		paf->level              = pObjIndex->level;
		paf->duration           = -1;
		paf->location           = fread_number( fp );
		paf->modifier           = fread_number( fp );
		paf->bitvector          = 0;
		paf->next               = pObjIndex->affected;
		pObjIndex->affected     = paf;
		top_affect++;
	    }
 
	    else if ( letter == 'E' )
	    {
		EXTRA_DESCR_DATA *ed;
 
		ed                      = alloc_perm( sizeof(*ed) );
		ed->keyword             = fread_string( fp );
		ed->description         = fread_string( fp );
		ed->next                = pObjIndex->extra_descr;
		pObjIndex->extra_descr  = ed;
		top_ed++;
	    }
 
	    else
	    {
		ungetc( letter, fp );
		break;
	    }
	}

	/*
	 * Translate spell "slot numbers" to internal "skill numbers."
	 */
	switch ( pObjIndex->item_type )
	{
	case ITEM_PILL:
	case ITEM_POTION:
	case ITEM_SCROLL:
	    pObjIndex->value[1] = slot_lookup( pObjIndex->value[1] );
	    pObjIndex->value[2] = slot_lookup( pObjIndex->value[2] );
	    pObjIndex->value[3] = slot_lookup( pObjIndex->value[3] );
	    break;
 
	case ITEM_STAFF:
	case ITEM_WAND:
	    pObjIndex->value[3] = slot_lookup( pObjIndex->value[3] );
	    break;
	}
 
	iHash                   = vnum % MAX_KEY_HASH;
	pObjIndex->next         = obj_index_hash[iHash];
	obj_index_hash[iHash]   = pObjIndex;
	top_obj_index++;
	top_vnum_obj = top_vnum_obj < vnum ? vnum : top_vnum_obj;   /* OLC */
	assign_area_vnum( vnum );                                   /* OLC */
    }
 
    return;
}