build.c

/* @(#)build.c	2.1.8.1 */
/* Sccsid:     @(#)build.c	9.1.1.17     11/15/95  12:52:28 */
/* stuff related to the customer table */
#include <stdio.h>
#include <string.h>
#ifdef SSBM
#include <time.h>
#endif
#ifndef VMS
#include <sys/types.h>
#endif
#if defined(SUN)
#include <unistd.h>
#endif

#if defined(LINUX)
#include <unistd.h>
#endif

#include <math.h>

#include "dss.h"
#include "dsstypes.h"
#include "bcd2.h"
#ifdef ADHOC
#include "adhoc.h"
extern adhoc_t adhocs[];
#endif /* ADHOC */

#define LEAP_ADJ(yr, mnth)      \
((LEAP(yr) && (mnth) >= 2) ? 1 : 0)
#define JDAY_BASE       8035    /* start from 1/1/70 a la unix */
#define JMNTH_BASE      (-70 * 12) /* start from 1/1/70 a la unix */
#define JDAY(date) ((date) - STARTDATE + JDAY_BASE + 1)
#define PART_SUPP_BRIDGE(tgt, p, s) \
    { \
    long tot_scnt = tdefs[SUPP].base * scale; \
    tgt = (p + s *  (tot_scnt / SUPP_PER_PART +  \
	(long) ((p - 1) / tot_scnt))) % tot_scnt + 1; \
    }
#define RPRICE_BRIDGE(tgt, p) tgt = rpb_routine(p)
#define V_STR(avg, sd, tgt)  a_rnd((int)(avg * V_STR_LOW), \
(int)(avg * V_STR_HGH), sd, tgt)
#define TEXT(avg, sd, tgt)  \
dbg_text(tgt, (int)(avg * V_STR_LOW),(int)(avg * V_STR_HGH), sd)
static void gen_phone PROTO((long ind, char *target, long seed));

#ifdef SSBM
static void gen_category PROTO((char *target, long seed));
int gen_city PROTO((char *cityName, char *nationName));
int gen_season PROTO((char * dest,int month,int day));
int is_last_day_in_month PROTO((int year,int month,int day));
int gen_holiday_fl PROTO((char * dest, int month, int day));
int gen_city PROTO((char *cityName, char *nationName));
int gen_color PROTO((char * source, char * dest));
#endif


long
rpb_routine(long p)
	{
	long price;	
	price = 90000;
	price += (p/10) % 20001;        /* limit contribution to $200 */
	price += (p % 1000) * 100;
	
	return(price);
	}

static void 
gen_phone(long ind, char *target, long seed)
	{
    long	acode,
		exchg,
		number;
	
    RANDOM(acode, 100, 999, seed);
    RANDOM(exchg, 100, 999, seed);
    RANDOM(number, 1000, 9999, seed);
    // HYRISE: Change format specifier.
    sprintf(target, "%02ld", 10 + (ind % NATIONS_MAX));
    sprintf(target + 3, "%03ld", acode);
    sprintf(target + 7, "%03ld", exchg);
    sprintf(target + 11, "%04ld", number);
    target[2] = target[6] = target[10] = '-';	
    return;
}

static void
gen_category(char *target, long seed){
  long num1,num2;
  RANDOM(num1,1,5,seed);
  RANDOM(num2,1,5,seed);
  strcpy(target,"MFGR");
  // HYRISE: Change format specifier.
  sprintf(target + 4, "%01ld", num1);
  sprintf(target + 5, "%01ld", num2);
  return;
} 

#ifdef SSBM
long mk_cust(long n_cust, customer_t *c)
{
        long i;
        c->custkey = n_cust;
	sprintf(c->name, C_NAME_FMT, C_NAME_TAG, n_cust);
	c->alen = V_STR(C_ADDR_LEN, C_ADDR_SD, c->address);
    RANDOM(i, 0, nations.count-1, C_NTRG_SD);
	strcpy(c->nation_name,nations.list[i].text);
	strcpy(c->region_name,regions.list[nations.list[i].weight].text);
	gen_city(c->city,c->nation_name);
	gen_phone(i, c->phone, (long)C_PHNE_SD);
        pick_str(&c_mseg_set, C_MSEG_SD, c->mktsegment);
	return (0);
 }

#else
long 
mk_cust(long n_cust, customer_t *c)
	{
	long i;
	
	c->custkey = n_cust;
	sprintf(c->name, C_NAME_FMT, C_NAME_TAG, n_cust);
	c->alen = V_STR(C_ADDR_LEN, C_ADDR_SD, c->address);
	RANDOM(i, 0, (nations.count - 1), C_NTRG_SD);
	c->nation_code = i;
	gen_phone(i, c->phone, (long)C_PHNE_SD);
	RANDOM(c->acctbal, C_ABAL_MIN, C_ABAL_MAX, C_ABAL_SD);
	pick_str(&c_mseg_set, C_MSEG_SD, c->mktsegment);
	c->clen = TEXT(C_CMNT_LEN, C_CMNT_SD, c->comment);
	
	return (0);
	}
#endif

	/*
	* generate the numbered order and its associated lineitems
*/
void
mk_sparse (long i, DSS_HUGE *ok, long seq)
	{
#ifndef SUPPORT_64BITS
	if (scale < MAX_32B_SCALE)
#endif
		ez_sparse(i, ok, seq);
#ifndef SUPPORT_64BITS
	else
		hd_sparse(i, ok, seq);
#endif
	return;
	}

	/*
	* the "simple" version of mk_sparse, used on systems with 64b support
	* and on all systems at SF <= 300G where 32b support is sufficient
*/
void
ez_sparse(long i, DSS_HUGE *ok, long seq)
	{
	long low_bits;
	
	LONG2HUGE(i, ok);
	low_bits = (long)(i & ((1 << SPARSE_KEEP) - 1));
	*ok = *ok >> SPARSE_KEEP;
	*ok = *ok << SPARSE_BITS;
	*ok += seq;
	*ok = *ok << SPARSE_KEEP;
	*ok += low_bits;
	
	
	return;
	}

#ifndef SUPPORT_64BITS
void
hd_sparse(long i, DSS_HUGE *ok, long seq)
	{
	long low_mask, seq_mask;
	static int init = 0;
	static DSS_HUGE *base, *res;
	
	if (init == 0)
		{
		INIT_HUGE(base);
		INIT_HUGE(res);
		init = 1;
		}
	
	low_mask = (1 << SPARSE_KEEP) - 1;
	seq_mask = (1 << SPARSE_BITS) - 1;
	bin_bcd2(i, base, base + 1);
	HUGE_SET (base, res);
	HUGE_DIV (res, 1 << SPARSE_KEEP);
	HUGE_MUL (res, 1 << SPARSE_BITS);
	HUGE_ADD (res, seq, res);
	HUGE_MUL (res, 1 << SPARSE_KEEP);
	HUGE_ADD (res, *base & low_mask, res);
	bcd2_bin (&low_mask, *res);
	bcd2_bin (&seq_mask, *(res + 1));
	*ok = low_mask;
	*(ok + 1) = seq_mask;
	return;
	}
#endif

#ifdef SSBM
long
mk_order(long index, order_t *o, long upd_num)
	{
	long      lcnt;
	long      rprice;
	long      ocnt;
	long      tmp_date;
	long      c_date;
	long      clk_num;
	long      supp_num;
	static char **asc_date = NULL;
	char tmp_str[2];
	char **mk_ascdate PROTO((void));
	int delta = 1;

	if (asc_date == NULL)
	    asc_date = mk_ascdate();

	RANDOM(tmp_date, O_ODATE_MIN, O_ODATE_MAX, O_ODATE_SD);
	strcpy(o->odate, asc_date[tmp_date - STARTDATE]);

	mk_sparse (index, o->okey,
		(upd_num == 0) ? 0 : 1 + upd_num / (10000 / refresh));
	RANDOM(o->custkey, O_CKEY_MIN, O_CKEY_MAX, O_CKEY_SD);
	while (o->custkey % CUST_MORTALITY == 0)
	    {
		o->custkey += delta;
		o->custkey = MIN(o->custkey, O_CKEY_MAX);
		delta *= -1;
	    }
	pick_str(&o_priority_set, O_PRIO_SD, o->opriority);
	RANDOM(clk_num, 1, MAX((scale * O_CLRK_SCL), O_CLRK_SCL), O_CLRK_SD);
	o->spriority = 0;
	
	o->totalprice = 0;
	ocnt = 0;
	
	RANDOM(o->lines, O_LCNT_MIN, O_LCNT_MAX, O_LCNT_SD);
	for (lcnt = 0; lcnt < o->lines; lcnt++)
	    {
		
		HUGE_SET(o->okey, o->lineorders[lcnt].okey);
		o->lineorders[lcnt].linenumber = lcnt + 1;
		o->lineorders[lcnt].custkey = o->custkey;
		RANDOM(o->lineorders[lcnt].partkey, L_PKEY_MIN, L_PKEY_MAX, L_PKEY_SD);
		RANDOM(o->lineorders[lcnt].suppkey, L_SKEY_MIN, L_SKEY_MAX, L_SKEY_SD);
				
		RANDOM(o->lineorders[lcnt].quantity, L_QTY_MIN, L_QTY_MAX, L_QTY_SD);
		RANDOM(o->lineorders[lcnt].discount, L_DCNT_MIN, L_DCNT_MAX, L_DCNT_SD);
		RANDOM(o->lineorders[lcnt].tax, L_TAX_MIN, L_TAX_MAX, L_TAX_SD);

		strcpy(o->lineorders[lcnt].orderdate,o->odate);

		strcpy(o->lineorders[lcnt].opriority,o->opriority);
		o->lineorders[lcnt].ship_priority = o->spriority;

		RANDOM(c_date, L_CDTE_MIN, L_CDTE_MAX, L_CDTE_SD);
		c_date += tmp_date;        
		strcpy(o->lineorders[lcnt].commit_date, asc_date[c_date - STARTDATE]);

		pick_str(&l_smode_set, L_SMODE_SD, o->lineorders[lcnt].shipmode);
		
		RPRICE_BRIDGE( rprice, o->lineorders[lcnt].partkey);
		o->lineorders[lcnt].extended_price = rprice * o->lineorders[lcnt].quantity;
		o->lineorders[lcnt].revenue = o->lineorders[lcnt].extended_price * ((long)100-o->lineorders[lcnt].discount)/(long)PENNIES;
		
		//round off problem with linux if use 0.6
		o->lineorders[lcnt].supp_cost = 6 * rprice /10;
		
		o->totalprice +=
		    ((o->lineorders[lcnt].extended_price * 
		      ((long)100 - o->lineorders[lcnt].discount)) / (long)PENNIES ) *
		    ((long)100 + o->lineorders[lcnt].tax)
		    / (long)PENNIES;
	    }
	
	for (lcnt = 0; lcnt < o->lines; lcnt++)
	    {
		o->lineorders[lcnt].order_totalprice = o->totalprice;
	    }
	return (0);
	}
#else
long
mk_order(long index, order_t *o, long upd_num)
	{
	long      lcnt;
	long      rprice;
	long      ocnt;
	long      tmp_date;
	long      s_date;
	long      r_date;
	long      c_date;
	long      clk_num;
	long      supp_num;
	static char **asc_date = NULL;
	char tmp_str[2];
	char **mk_ascdate PROTO((void));
	int delta = 1;
	
	if (asc_date == NULL)
        asc_date = mk_ascdate();
	mk_sparse (index, o->okey,
		(upd_num == 0) ? 0 : 1 + upd_num / (10000 / refresh));
    RANDOM(o->custkey, O_CKEY_MIN, O_CKEY_MAX, O_CKEY_SD);
    while (o->custkey % CUST_MORTALITY == 0)
		{
		o->custkey += delta;
		o->custkey = MIN(o->custkey, O_CKEY_MAX);
		delta *= -1;
		}
	
	
    RANDOM(tmp_date, O_ODATE_MIN, O_ODATE_MAX, O_ODATE_SD);
    strcpy(o->odate, asc_date[tmp_date - STARTDATE]);
	
    pick_str(&o_priority_set, O_PRIO_SD, o->opriority);
	RANDOM(clk_num, 1, MAX((scale * O_CLRK_SCL), O_CLRK_SCL), O_CLRK_SD);
    sprintf(o->clerk, O_CLRK_FMT,
        O_CLRK_TAG,
        clk_num);
    o->clen = TEXT(O_CMNT_LEN, O_CMNT_SD, o->comment);
#ifdef DEBUG
	if (o->clen > O_CMNT_MAX) fprintf(stderr, "comment error: O%d\n", index);
#endif /* DEBUG */
    o->spriority = 0;
	
    o->totalprice = 0;
    o->orderstatus = 'O';
    ocnt = 0;
	
	RANDOM(o->lines, O_LCNT_MIN, O_LCNT_MAX, O_LCNT_SD);
    for (lcnt = 0; lcnt < o->lines; lcnt++)
		{
        HUGE_SET(o->okey, o->l[lcnt].okey);
        o->l[lcnt].lcnt = lcnt + 1;
	RANDOM(o->l[lcnt].quantity, L_QTY_MIN, L_QTY_MAX, L_QTY_SD);
	RANDOM(o->l[lcnt].discount, L_DCNT_MIN, L_DCNT_MAX, L_DCNT_SD);
        RANDOM(o->l[lcnt].tax, L_TAX_MIN, L_TAX_MAX, L_TAX_SD);
        pick_str(&l_instruct_set, L_SHIP_SD, o->l[lcnt].shipinstruct);
        pick_str(&l_smode_set, L_SMODE_SD, o->l[lcnt].shipmode);
        o->l[lcnt].clen = TEXT(L_CMNT_LEN, L_CMNT_SD, o->l[lcnt].comment);
        RANDOM(o->l[lcnt].partkey, L_PKEY_MIN, L_PKEY_MAX, L_PKEY_SD);
        RPRICE_BRIDGE( rprice, o->l[lcnt].partkey);
        RANDOM(supp_num, 0, 3, L_SKEY_SD);
        PART_SUPP_BRIDGE( o->l[lcnt].suppkey, o->l[lcnt].partkey, supp_num);
        o->l[lcnt].eprice = rprice * o->l[lcnt].quantity;
		
        o->totalprice +=
            ((o->l[lcnt].eprice * 
            ((long)100 - o->l[lcnt].discount)) / (long)PENNIES ) *
            ((long)100 + o->l[lcnt].tax)
            / (long)PENNIES;
		
		RANDOM(s_date, L_SDTE_MIN, L_SDTE_MAX, L_SDTE_SD);
        s_date += tmp_date;
		RANDOM(c_date, L_CDTE_MIN, L_CDTE_MAX, L_CDTE_SD);
        c_date += tmp_date;
		RANDOM(r_date, L_RDTE_MIN, L_RDTE_MAX, L_RDTE_SD);
        r_date += s_date;
		
        
        strcpy(o->l[lcnt].sdate, asc_date[s_date - STARTDATE]);
        strcpy(o->l[lcnt].cdate, asc_date[c_date - STARTDATE]);
        strcpy(o->l[lcnt].rdate, asc_date[r_date - STARTDATE]);
		
		
        if (julian(r_date) <= CURRENTDATE) 
			{
            pick_str(&l_rflag_set, L_RFLG_SD, tmp_str);
            o->l[lcnt].rflag[0] = *tmp_str;
			}
        else 
            o->l[lcnt].rflag[0] = 'N';
		
        if (julian(s_date) <= CURRENTDATE) 
			{
            ocnt++;
            o->l[lcnt].lstatus[0] = 'F';
			}
        else 
            o->l[lcnt].lstatus[0] = 'O';
		}
	
    if (ocnt > 0)
        o->orderstatus = 'P';
    if (ocnt == o->lines)
        o->orderstatus = 'F';
	
	return (0);
}
#endif

#ifdef SSBM
long mk_part(long index, part_t *p)
{
	long      mfgr,cat,brnd;
	
	p->partkey = index;
	
	agg_str(&colors, (long)P_NAME_SCL, (long)P_NAME_SD, p->name);
	
	/*extract color from substring of p->name*/
    p->clen =gen_color(p->name,p->color); 
	
	
	RANDOM(mfgr, P_MFG_MIN, P_MFG_MAX, P_MFG_SD);
	// HYRISE: Change format specifier.
	sprintf(p->mfgr, "%s%ld", "MFGR#", mfgr);

    RANDOM(cat, P_CAT_MIN, P_CAT_MAX, P_CAT_SD);
    // HYRISE: Change format specifier.
    sprintf(p->category, "%s%ld", p->mfgr,cat);
	

	RANDOM(brnd, P_BRND_MIN, P_BRND_MAX, P_BRND_SD);
	// HYRISE: Change format specifier.
	sprintf(p->brand,"%s%ld",p->category,brnd);

	p->tlen = pick_str(&p_types_set, P_TYPE_SD, p->type);
	p->tlen = strlen(p_types_set.list[p->tlen].text);
	RANDOM(p->size, P_SIZE_MIN, P_SIZE_MAX, P_SIZE_SD);
	
	pick_str(&p_cntr_set, P_CNTR_SD, p->container);
	
	
	return (0);
}
#else
long
mk_part(long index, part_t *p)
	{
	long      temp;
	long      snum;
	long      brnd;
	
	p->partkey = index;
	agg_str(&colors, (long)P_NAME_SCL, (long)P_NAME_SD, p->name); 
	RANDOM(temp, P_MFG_MIN, P_MFG_MAX, P_MFG_SD);
	sprintf(p->mfgr, P_MFG_FMT, P_MFG_TAG, temp);
	RANDOM(brnd, P_BRND_MIN, P_BRND_MAX, P_BRND_SD);
	sprintf(p->brand, P_BRND_FMT,
		P_BRND_TAG,
		(temp * 10 + brnd));
	p->tlen = pick_str(&p_types_set, P_TYPE_SD, p->type);
	p->tlen = strlen(p_types_set.list[p->tlen].text);
	RANDOM(p->size, P_SIZE_MIN, P_SIZE_MAX, P_SIZE_SD);
	pick_str(&p_cntr_set, P_CNTR_SD, p->container);
	RPRICE_BRIDGE( p->retailprice, index);
	p->clen = TEXT(P_CMNT_LEN, P_CMNT_SD, p->comment);
	
	for (snum = 0; snum < SUPP_PER_PART; snum++)
		{
		p->s[snum].partkey = p->partkey;
		PART_SUPP_BRIDGE( p->s[snum].suppkey, index, snum);
		RANDOM(p->s[snum].qty, PS_QTY_MIN, PS_QTY_MAX, PS_QTY_SD);
		RANDOM(p->s[snum].scost, PS_SCST_MIN, PS_SCST_MAX, PS_SCST_SD);
		p->s[snum].clen = TEXT(PS_CMNT_LEN, PS_CMNT_SD, p->s[snum].comment);
		}
	return (0);
	}
#endif


#ifdef SSBM
long
mk_supp(long index, supplier_t *s)
{
	long     i,
		bad_press,
		noise,
		offset,
		type;
        s->suppkey = index;
	sprintf(s->name, S_NAME_FMT, S_NAME_TAG, index); 
	s->alen = V_STR(S_ADDR_LEN, S_ADDR_SD, s->address);
	RANDOM(i, 0, nations.count-1, S_NTRG_SD);
	strcpy(s->nation_name,nations.list[i].text);
        strcpy(s->region_name,regions.list[nations.list[i].weight].text);
	gen_city(s->city,s->nation_name);
	gen_phone(i, s->phone, (long)C_PHNE_SD);
	return (0);
}
#else
long
mk_supp(long index, supplier_t *s)
	{
	long     i,
		bad_press,
		noise,
		offset,
		type;
	
	s->suppkey = index;
	sprintf(s->name, S_NAME_FMT, S_NAME_TAG, index); 
	s->alen = V_STR(S_ADDR_LEN, S_ADDR_SD, s->address);
	RANDOM(i, 0, nations.count - 1, S_NTRG_SD);
	s->nation_code= i;
	gen_phone(i, s->phone, S_PHNE_SD);
	RANDOM(s->acctbal, S_ABAL_MIN, S_ABAL_MAX, S_ABAL_SD);
	
	s->clen = TEXT(S_CMNT_LEN, S_CMNT_SD, s->comment);
	/* these calls should really move inside the if stmt below, 
	* but this will simplify seedless parallel load 
	*/
	RANDOM(bad_press, 1, 10000, BBB_CMNT_SD);
	RANDOM(type, 0, 100, BBB_TYPE_SD);
	RANDOM(noise, 0, (s->clen - BBB_CMNT_LEN), BBB_JNK_SD);
	RANDOM(offset, 0, (s->clen - (BBB_CMNT_LEN + noise)),
		BBB_OFFSET_SD);
	if (bad_press <= S_CMNT_BBB)
		{
		type = (type < BBB_DEADBEATS) ?0:1;
        memcpy(s->comment + offset, BBB_BASE, BBB_BASE_LEN);
        if (type == 0)
  			memcpy(s->comment + BBB_BASE_LEN + offset + noise, 
			BBB_COMPLAIN, BBB_TYPE_LEN); 
        else
			memcpy(s->comment + BBB_BASE_LEN + offset + noise, 
			BBB_COMMEND, BBB_TYPE_LEN); 
		}
	
	return (0);
	}
#endif

struct
	{	
	char     *mdes;
	long      days;
	long      dcnt;
	}         
months[] =
		
	{
		{NULL, 0, 0},
		{"JAN", 31, 31},
		{"FEB", 28, 59},
		{"MAR", 31, 90},
		{"APR", 30, 120},
		{"MAY", 31, 151},
		{"JUN", 30, 181},
		{"JUL", 31, 212},
		{"AUG", 31, 243},
		{"SEP", 30, 273},
		{"OCT", 31, 304},
		{"NOV", 30, 334},
		{"DEC", 31, 365}
		};
	
long
mk_time(long index, dss_time_t *t)
	{
		long      m = 0;
		long      y;
		long      d;
		
		t->timekey = index + JDAY_BASE;
		y = julian(index + STARTDATE - 1) / 1000;
		d = julian(index + STARTDATE - 1) % 1000;
		while (d > months[m].dcnt + LEAP_ADJ(y, m))
			m++;
		PR_DATE(t->alpha, y, m,
			d - months[m - 1].dcnt - ((LEAP(y) && m > 2) ? 1 : 0));
		t->year = 1900 + y;
		t->month = m + 12 * y + JMNTH_BASE;
		t->week = (d + T_START_DAY - 1) / 7 + 1;
		t->day = d - months[m - 1].dcnt - LEAP_ADJ(y, m-1);
		
		return (0);
		}
	
	int 
		mk_nation(long index, code_t *c)
		{
		c->code = index - 1;
		c->text = nations.list[index - 1].text;
	c->join = nations.list[index - 1].weight;
		c->clen = TEXT(N_CMNT_LEN, N_CMNT_SD, c->comment);
		return(0);
		}
	
	int 
		mk_region(long index, code_t *c)
		{
		
		c->code = index - 1;
		c->text = regions.list[index - 1].text;
		c->join = 0;        /* for completeness */
		c->clen = TEXT(R_CMNT_LEN, R_CMNT_SD, c->comment);
		return(0);
		}


#ifdef SSBM
		/*bug!*/
int gen_city(char *cityName, char *nationName){
    int i=0;
    long randomPick;
	int clen = strlen(cityName);
	int nlen = strlen(nationName);

    strncpy(cityName,nationName,CITY_FIX-1);
    
    if(nlen < CITY_FIX-1){
      for(i = nlen ; i< CITY_FIX-1;i++)
        cityName[i] = ' ';
    }
    RANDOM(randomPick, 0, 9, 98);
    
    // HYRISE: Change format specifier.
    sprintf(cityName+CITY_FIX-1,"%ld",randomPick);
    cityName[CITY_FIX] = '\0';
    return 0; 
}


/*
P_NAME is as long as 55 bytes in TPC-H, which is un¬reasonably large. 
We reduce it to 22 by limiting to a concatena¬tion of two colors (see [TPC-H], pg 94). 
We also add a new column named P_COLOR that could be used in queries where currently a 
color must be chosen by substring from P_NAME.
*/
int gen_color(char * source, char * dest){
  int i = 0,j=0;
  int clen=0;

  while(source[i]!= ' '  ){
      dest[i]=source[i];
      i++;
  }
  dest[i]='\0';

  i++;
  while(source[i] != '\0'){
	source[j] = source[i];
	j++;
	i++;
  }

  source[j] = '\0';
  
  clen = strlen(dest);
  return clen;
}



/*Following functions are related to date table generation*/
int days_in_a_month[12]={31,28,31,30,31,30,31,31,30,31,30,31};
int days_in_a_month_l[12]={31,29,31,30,31,30,31,31,30,31,30,31};
season seasons[]={
  {"Christmas",1,11,31,12},
  {"Summer",1,5,31,8},
  {"Winter",1,1,31,3},
  {"Spring",1,4,30,4},
  {"Fall",1,9,31,10}
};
holiday holidays[]={
  {"Christmas",12,24},
  {"New Years Day", 1,1},
  {"holiday1", 2,20},
  {"Easter Day",4,20},
  {"holiday2", 5,20},
  {"holiday3",7,20},
  {"holiday4",8,20},
  {"holiday5",9,20},
  {"holiday6",10,20},
  {"holiday7",11,20}
};

char * month_names[]={"January","February","March","April",
                 "May","June","July","Augest",
                 "September","Octorber","November","December"};

char * weekday_names[]={"Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"};

/*make the date table, it takes the continuous index , and add index*60*60*24 to 
 *numeric representation 1/1/1992 01:01:01, 
 *then convert the final numeric date time to tm structure, and thus extract other field
 *for date_t structure */
long
mk_date(long index,date_t *d)
{
    long espan = (index-1)*60*60*24;
    
    time_t numDateTime = D_STARTDATE + espan; 

    struct tm *localTime = localtime(&numDateTime); 
 
    /*make Sunday be the first day of a week */
    d->daynuminweek=((long)localTime->tm_wday+1)%7+1;
    d->monthnuminyear=(long)localTime->tm_mon+1;
    strncpy(d->dayofweek, weekday_names[d->daynuminweek-1],D_DAYWEEK_LEN+1);
    strncpy(d->month,month_names[d->monthnuminyear-1],D_MONTH_LEN+1);
    d->year=(long)localTime->tm_year + 1900;
    d->daynuminmonth=(long)localTime->tm_mday;
    d->yearmonthnum=d->year * 100 + d->monthnuminyear;

    sprintf(d->yearmonth,"%.3s%d",d->month,d->year);
    sprintf(d->date,"%s %d, %d",d->month,d->daynuminmonth,d->year);
    
    d->datekey = d->year*10000+d->monthnuminyear*100+ d->daynuminmonth; 

    d->daynuminyear=(int)localTime->tm_yday+1;
    d->weeknuminyear = d->daynuminyear/7 + 1;
    
    if(d->daynuminweek ==7){
	d->lastdayinweekfl[0]='1';
    }
    else{
	d->lastdayinweekfl[0]='0';
    }
    d->lastdayinweekfl[1]='\0';

    if(is_last_day_in_month(d->year,d->monthnuminyear,d->daynuminmonth)==1){
	d->lastdayinmonthfl[0]= '0';
    }else{
	d->lastdayinmonthfl[0]= '1';
    }
    d->lastdayinmonthfl[1]='\0';
 
    if(d->daynuminweek!=1 && d->daynuminweek!=7){
	d->weekdayfl[0]='1';
    }
    else{
	d->weekdayfl[0]='0';
    }
    
    d->weekdayfl[1]='\0';

    gen_season(d->sellingseason,d->monthnuminyear,d->daynuminmonth);
    d->slen = strlen(d->sellingseason);
    gen_holiday_fl(d->holidayfl,d->monthnuminyear,d->daynuminmonth);    
    return (0);
}

int gen_holiday_fl(char * dest, int month, int day){
  int i;
  for(i = 0; i< NUM_HOLIDAYS; i++){
    if(holidays[i].month == month && holidays[i].day == day){
      strcpy(dest,"1");
      return 0;
    }
  }
  strcpy(dest,"0");
  return 0;
}


int
is_last_day_in_month(int year,int month,int day){
    int * days;
    if(LEAP(year))
      days = days_in_a_month_l;
    else
      days = days_in_a_month;
    if(day ==  days[month-1]) return 1;
    return 0;
}

int gen_season(char * dest,int month,int day)
{
    int i;
    for(i =0;i<NUM_SEASONS;i++){
	season *seas;
	seas = &seasons[i];
        
	if(month>=seas->start_month && month<=seas->end_month && 
	   day >= seas->start_day && day <= seas->end_day){
	    strcpy(dest, seas->name);
            return 0;
        }
    }
    strcpy(dest,"");

    return 0;
}

#endif