/*
 *	OLE2NLS library
 *
 *	Copyright 1995	Martin von Loewis
 */

/*	At the moment, these are only empty stubs.
 */

#include <string.h>
#include "windows.h"
#include "ole.h"
#include "options.h"
#include "winnls.h"
#include "stddebug.h"
#include "debug.h"

/***********************************************************************
 *           GetUserDefaultLCID       (OLE2NLS.1)
 */
DWORD WINAPI GetUserDefaultLCID()
{
/* Default sorting, neutral sublanguage */
    switch(Options.language)
    {
    case LANG_En: return 0x09;
    case LANG_Es: return 0x07; /* Just a Guess :-) */
    case LANG_De: return 0x07;
    case LANG_No: return 0x14;
    case LANG_Fr:
    case LANG_Fi:
    case LANG_Da:
    case LANG_Cz:
    default:
	return 0;  /* Neutral language */
    }
}

/***********************************************************************
 *         GetSystemDefaultLCID       (OLE2NLS.2)
 */
DWORD WINAPI GetSystemDefaultLCID()
{
	return GetUserDefaultLCID();
}

/***********************************************************************
 *         GetUserDefaultLangID       (OLE2NLS.3)
 */
WORD WINAPI GetUserDefaultLangID()
{
	return (WORD)GetUserDefaultLCID();
}

/***********************************************************************
 *         GetSystemDefaultLangID     (OLE2NLS.4)
 */
WORD WINAPI GetSystemDefaultLangID()
{
	return GetUserDefaultLangID();
}

/***********************************************************************
 *         GetLocaleInfoA             (OLE2NLS.5)
 * Is the last parameter really WORD for Win16?
 */
int WINAPI GetLocaleInfoA(DWORD lcid,DWORD LCType,LPSTR buf,WORD len)
{
	char *retString;
    int retLen;
    dprintf_ole(stddeb,"GetLocaleInfoA(%8lX,%8lX,%p,%4X)\n",
			lcid,LCType,buf,len);
	/* Wine is supporting only the default locale */
	if(lcid!=GetUserDefaultLCID())
	{
		dprintf_ole(stdnimp,"GetLocaleInfoA: Unknown locale\n");
		return 0;
	}
	/* As an option, we could obtain the value from win.ini.
	   This would not match the Wine compile-time option.
	   Also, not all identifiers are available from win.ini */
	retString=0;
	retLen=0;
	/* If we are through all of this, retLen should not be zero anymore.
	   If it is, the value is not supported */
#define LOCVAL(type,value)	if(type==LCType)			\
								{retLen=strlen(value)+1;\
								 retString=value;       \
								}
#define UNSUPPORTED(type)   if(type==lcid)retString=#type;

/* I really wish I would know a better way to do this */
UNSUPPORTED(LOCALE_ILANGUAGE)
UNSUPPORTED(LOCALE_SLANGUAGE)
UNSUPPORTED(LOCALE_SENGLANGUAGE)
UNSUPPORTED(LOCALE_SABBREVLANGNAME)
UNSUPPORTED(LOCALE_SNATIVELANGNAME)
UNSUPPORTED(LOCALE_ICOUNTRY)
UNSUPPORTED(LOCALE_SCOUNTRY)
UNSUPPORTED(LOCALE_SENGCOUNTRY)
UNSUPPORTED(LOCALE_SABBREVCTRYNAME)
UNSUPPORTED(LOCALE_SNATIVECTRYNAME)
UNSUPPORTED(LOCALE_IDEFAULTLANGUAGE)
UNSUPPORTED(LOCALE_IDEFAULTCOUNTRY)
UNSUPPORTED(LOCALE_IDEFAULTCODEPAGE)
UNSUPPORTED(LOCALE_IDEFAULTANSICODEPAGE)
UNSUPPORTED(LOCALE_SLIST)
UNSUPPORTED(LOCALE_IMEASURE)
UNSUPPORTED(LOCALE_SDECIMAL)
UNSUPPORTED(LOCALE_STHOUSAND)
UNSUPPORTED(LOCALE_SGROUPING)
UNSUPPORTED(LOCALE_IDIGITS)
UNSUPPORTED(LOCALE_ILZERO)
UNSUPPORTED(LOCALE_INEGNUMBER)
UNSUPPORTED(LOCALE_SNATIVEDIGITS)
UNSUPPORTED(LOCALE_SCURRENCY)
UNSUPPORTED(LOCALE_SINTLSYMBOL)
UNSUPPORTED(LOCALE_SMONDECIMALSEP)
UNSUPPORTED(LOCALE_SMONTHOUSANDSEP)
UNSUPPORTED(LOCALE_SMONGROUPING)
UNSUPPORTED(LOCALE_ICURRDIGITS)
UNSUPPORTED(LOCALE_IINTLCURRDIGITS)
UNSUPPORTED(LOCALE_ICURRENCY)
UNSUPPORTED(LOCALE_INEGCURR)
UNSUPPORTED(LOCALE_SDATE)
UNSUPPORTED(LOCALE_STIME)
UNSUPPORTED(LOCALE_SSHORTDATE)
UNSUPPORTED(LOCALE_SLONGDATE)
UNSUPPORTED(LOCALE_STIMEFORMAT)
UNSUPPORTED(LOCALE_IDATE)
UNSUPPORTED(LOCALE_ILDATE)
UNSUPPORTED(LOCALE_ITIME)
UNSUPPORTED(LOCALE_ITIMEMARKPOSN)
UNSUPPORTED(LOCALE_ICENTURY)
UNSUPPORTED(LOCALE_ITLZERO)
UNSUPPORTED(LOCALE_IDAYLZERO)
UNSUPPORTED(LOCALE_IMONLZERO)
UNSUPPORTED(LOCALE_S1159)
UNSUPPORTED(LOCALE_S2359)
UNSUPPORTED(LOCALE_ICALENDARTYPE)
UNSUPPORTED(LOCALE_IOPTIONALCALENDAR)
UNSUPPORTED(LOCALE_IFIRSTDAYOFWEEK)
UNSUPPORTED(LOCALE_IFIRSTWEEKOFYEAR)
UNSUPPORTED(LOCALE_SDAYNAME1)
UNSUPPORTED(LOCALE_SDAYNAME2)
UNSUPPORTED(LOCALE_SDAYNAME3)
UNSUPPORTED(LOCALE_SDAYNAME4)
UNSUPPORTED(LOCALE_SDAYNAME5)
UNSUPPORTED(LOCALE_SDAYNAME6)
UNSUPPORTED(LOCALE_SDAYNAME7)
UNSUPPORTED(LOCALE_SABBREVDAYNAME1)
UNSUPPORTED(LOCALE_SABBREVDAYNAME2)
UNSUPPORTED(LOCALE_SABBREVDAYNAME3)
UNSUPPORTED(LOCALE_SABBREVDAYNAME4)
UNSUPPORTED(LOCALE_SABBREVDAYNAME5)
UNSUPPORTED(LOCALE_SABBREVDAYNAME6)
UNSUPPORTED(LOCALE_SABBREVDAYNAME7)
UNSUPPORTED(LOCALE_SMONTHNAME1)
UNSUPPORTED(LOCALE_SMONTHNAME2)
UNSUPPORTED(LOCALE_SMONTHNAME3)
UNSUPPORTED(LOCALE_SMONTHNAME4)
UNSUPPORTED(LOCALE_SMONTHNAME5)
UNSUPPORTED(LOCALE_SMONTHNAME6)
UNSUPPORTED(LOCALE_SMONTHNAME7)
UNSUPPORTED(LOCALE_SMONTHNAME8)
UNSUPPORTED(LOCALE_SMONTHNAME9)
UNSUPPORTED(LOCALE_SMONTHNAME10)
UNSUPPORTED(LOCALE_SMONTHNAME11)
UNSUPPORTED(LOCALE_SMONTHNAME12)
UNSUPPORTED(LOCALE_SMONTHNAME13)
UNSUPPORTED(LOCALE_SABBREVMONTHNAME1)
UNSUPPORTED(LOCALE_SABBREVMONTHNAME2)
UNSUPPORTED(LOCALE_SABBREVMONTHNAME3)
UNSUPPORTED(LOCALE_SABBREVMONTHNAME4)
UNSUPPORTED(LOCALE_SABBREVMONTHNAME5)
UNSUPPORTED(LOCALE_SABBREVMONTHNAME6)
UNSUPPORTED(LOCALE_SABBREVMONTHNAME7)
UNSUPPORTED(LOCALE_SABBREVMONTHNAME8)
UNSUPPORTED(LOCALE_SABBREVMONTHNAME9)
UNSUPPORTED(LOCALE_SABBREVMONTHNAME10)
UNSUPPORTED(LOCALE_SABBREVMONTHNAME11)
UNSUPPORTED(LOCALE_SABBREVMONTHNAME12)
UNSUPPORTED(LOCALE_SABBREVMONTHNAME13)
UNSUPPORTED(LOCALE_SPOSITIVESIGN)
UNSUPPORTED(LOCALE_SNEGATIVESIGN)
UNSUPPORTED(LOCALE_IPOSSIGNPOSN)
UNSUPPORTED(LOCALE_INEGSIGNPOSN)
UNSUPPORTED(LOCALE_IPOSSYMPRECEDES)
UNSUPPORTED(LOCALE_IPOSSEPBYSPACE)
UNSUPPORTED(LOCALE_INEGSYMPRECEDES)
UNSUPPORTED(LOCALE_INEGSEPBYSPACE)

/* Now, the language specific definitions. They don't have to be
   complete */
    switch(Options.language)
    {
    case LANG_De:
/* This definitions apply to Germany only. Users in Austria 
   or Switzerland might want to modify them */
LOCVAL(LOCALE_ILANGUAGE,"9")
LOCVAL(LOCALE_SLANGUAGE,"Deutsch")
LOCVAL(LOCALE_SENGLANGUAGE,"German")
LOCVAL(LOCALE_SABBREVLANGNAME,"deu")
LOCVAL(LOCALE_SNATIVELANGNAME,"Deutsch")
LOCVAL(LOCALE_ICOUNTRY,"49")
LOCVAL(LOCALE_SCOUNTRY,"Deutschland")
LOCVAL(LOCALE_SENGCOUNTRY,"Deutschland")
LOCVAL(LOCALE_SABBREVCTRYNAME,"De")
LOCVAL(LOCALE_SNATIVECTRYNAME,"Deutschland")
LOCVAL(LOCALE_IDEFAULTLANGUAGE,"9")
LOCVAL(LOCALE_IDEFAULTCOUNTRY,"49")
/* Dunno
LOCVAL(LOCALE_IDEFAULTCODEPAGE)
LOCVAL(LOCALE_IDEFAULTANSICODEPAGE)
*/
LOCVAL(LOCALE_SLIST,";")
LOCVAL(LOCALE_IMEASURE,"0")
LOCVAL(LOCALE_SDECIMAL,",")
LOCVAL(LOCALE_STHOUSAND,".")
/*
LOCVAL(LOCALE_SGROUPING)
*/
LOCVAL(LOCALE_IDIGITS,"2")
LOCVAL(LOCALE_ILZERO,"1")
/*
LOCVAL(LOCALE_INEGNUMBER)
Is this "0123456789" ??
LOCVAL(LOCALE_SNATIVEDIGITS)
*/
LOCVAL(LOCALE_SCURRENCY,"DM")
/*
LOCVAL(LOCALE_SINTLSYMBOL)
LOCVAL(LOCALE_SMONDECIMALSEP)
LOCVAL(LOCALE_SMONTHOUSANDSEP)
LOCVAL(LOCALE_SMONGROUPING)
*/
LOCVAL(LOCALE_ICURRDIGITS,"2")
/*
LOCVAL(LOCALE_IINTLCURRDIGITS)
*/
LOCVAL(LOCALE_ICURRENCY,"3")
LOCVAL(LOCALE_INEGCURR,"8")
LOCVAL(LOCALE_SDATE,".")
LOCVAL(LOCALE_STIME,":")
LOCVAL(LOCALE_SSHORTDATE,"dd.MM.yyyy")
LOCVAL(LOCALE_SLONGDATE,"ddd, d. MMMM yyyy")
/*
LOCVAL(LOCALE_STIMEFORMAT)
*/
LOCVAL(LOCALE_IDATE,"1")
/*
LOCVAL(LOCALE_ILDATE)
*/
LOCVAL(LOCALE_ITIME,"1")
/*
LOCVAL(LOCALE_ITIMEMARKPOSN)
LOCVAL(LOCALE_ICENTURY)
*/
LOCVAL(LOCALE_ITLZERO,"1")
/*
LOCVAL(LOCALE_IDAYLZERO)
LOCVAL(LOCALE_IMONLZERO)
LOCVAL(LOCALE_S1159)
LOCVAL(LOCALE_S2359)
LOCVAL(LOCALE_ICALENDARTYPE)
LOCVAL(LOCALE_IOPTIONALCALENDAR)
LOCVAL(LOCALE_IFIRSTDAYOFWEEK)
LOCVAL(LOCALE_IFIRSTWEEKOFYEAR)
*/
LOCVAL(LOCALE_SDAYNAME1,"Montag")
LOCVAL(LOCALE_SDAYNAME2,"Dienstag")
LOCVAL(LOCALE_SDAYNAME3,"Mittwoch")
LOCVAL(LOCALE_SDAYNAME4,"Donnerstag")
LOCVAL(LOCALE_SDAYNAME5,"Freitag")
LOCVAL(LOCALE_SDAYNAME6,"Sonnabend")
LOCVAL(LOCALE_SDAYNAME7,"Sonntag")
LOCVAL(LOCALE_SABBREVDAYNAME1,"Mo")
LOCVAL(LOCALE_SABBREVDAYNAME2,"Di")
LOCVAL(LOCALE_SABBREVDAYNAME3,"Mi")
LOCVAL(LOCALE_SABBREVDAYNAME4,"Do")
LOCVAL(LOCALE_SABBREVDAYNAME5,"Fr")
LOCVAL(LOCALE_SABBREVDAYNAME6,"Sa")
LOCVAL(LOCALE_SABBREVDAYNAME7,"So")
LOCVAL(LOCALE_SMONTHNAME1,"Januar")
LOCVAL(LOCALE_SMONTHNAME2,"Februar")
LOCVAL(LOCALE_SMONTHNAME3,"März")
LOCVAL(LOCALE_SMONTHNAME4,"April")
LOCVAL(LOCALE_SMONTHNAME5,"Mai")
LOCVAL(LOCALE_SMONTHNAME6,"Juni")
LOCVAL(LOCALE_SMONTHNAME7,"Juli")
LOCVAL(LOCALE_SMONTHNAME8,"August")
LOCVAL(LOCALE_SMONTHNAME9,"September")
LOCVAL(LOCALE_SMONTHNAME10,"Oktober")
LOCVAL(LOCALE_SMONTHNAME11,"November")
LOCVAL(LOCALE_SMONTHNAME12,"Dezember")
LOCVAL(LOCALE_SMONTHNAME13,"")
LOCVAL(LOCALE_SABBREVMONTHNAME1,"Jan")
LOCVAL(LOCALE_SABBREVMONTHNAME2,"Feb")
LOCVAL(LOCALE_SABBREVMONTHNAME3,"Mär")
LOCVAL(LOCALE_SABBREVMONTHNAME4,"Apr")
LOCVAL(LOCALE_SABBREVMONTHNAME5,"Mai")
LOCVAL(LOCALE_SABBREVMONTHNAME6,"Jun")
LOCVAL(LOCALE_SABBREVMONTHNAME7,"Jul")
LOCVAL(LOCALE_SABBREVMONTHNAME8,"Aug")
LOCVAL(LOCALE_SABBREVMONTHNAME9,"Sep")
LOCVAL(LOCALE_SABBREVMONTHNAME10,"Okt")
LOCVAL(LOCALE_SABBREVMONTHNAME11,"Nov")
LOCVAL(LOCALE_SABBREVMONTHNAME12,"Dez")
LOCVAL(LOCALE_SABBREVMONTHNAME13,"")
/*
LOCVAL(LOCALE_SPOSITIVESIGN)
LOCVAL(LOCALE_SNEGATIVESIGN)
LOCVAL(LOCALE_IPOSSIGNPOSN)
LOCVAL(LOCALE_INEGSIGNPOSN)
LOCVAL(LOCALE_IPOSSYMPRECEDES)
LOCVAL(LOCALE_IPOSSEPBYSPACE)
LOCVAL(LOCALE_INEGSYMPRECEDES)
LOCVAL(LOCALE_INEGSEPBYSPACE)
*/
    break;  /* LANG(De) */

    case LANG_Da:
/* LOCVAL(LOCALE_ILANGUAGE,"9") */
LOCVAL(LOCALE_SLANGUAGE,"Dansk")
LOCVAL(LOCALE_SENGLANGUAGE,"Danish")
LOCVAL(LOCALE_SABBREVLANGNAME,"dan")
LOCVAL(LOCALE_SNATIVELANGNAME,"Dansk")
LOCVAL(LOCALE_ICOUNTRY,"45")
LOCVAL(LOCALE_SCOUNTRY,"Danmark")
LOCVAL(LOCALE_SENGCOUNTRY,"Denmark")
LOCVAL(LOCALE_SABBREVCTRYNAME,"Da")
LOCVAL(LOCALE_SNATIVECTRYNAME,"Danmark")
/* LOCVAL(LOCALE_IDEFAULTLANGUAGE,"9") */
LOCVAL(LOCALE_IDEFAULTCOUNTRY,"45")
/* LOCVAL(LOCALE_IDEFAULTCODEPAGE) */
/* LOCVAL(LOCALE_IDEFAULTANSICODEPAGE) */
LOCVAL(LOCALE_SLIST,";")
LOCVAL(LOCALE_IMEASURE,"0")
LOCVAL(LOCALE_SDECIMAL,",")
LOCVAL(LOCALE_STHOUSAND,".")
/* LOCVAL(LOCALE_SGROUPING) */
LOCVAL(LOCALE_IDIGITS,"2")
LOCVAL(LOCALE_ILZERO,"1")
/* LOCVAL(LOCALE_INEGNUMBER) */
/* LOCVAL(LOCALE_SNATIVEDIGITS) */
LOCVAL(LOCALE_SCURRENCY,"kr")
/* LOCVAL(LOCALE_SINTLSYMBOL) */
LOCVAL(LOCALE_SMONDECIMALSEP,",")
LOCVAL(LOCALE_SMONTHOUSANDSEP,".")
/* LOCVAL(LOCALE_SMONGROUPING) */
LOCVAL(LOCALE_ICURRDIGITS,"2")
/* LOCVAL(LOCALE_IINTLCURRDIGITS) */
LOCVAL(LOCALE_ICURRENCY,"3")
LOCVAL(LOCALE_INEGCURR,"8")
LOCVAL(LOCALE_SDATE,".")
LOCVAL(LOCALE_STIME,":")
LOCVAL(LOCALE_SSHORTDATE,"dd/MM-yyyy")
LOCVAL(LOCALE_SLONGDATE,"ddd, d. MMMM yyyy")
/* LOCVAL(LOCALE_STIMEFORMAT) */
LOCVAL(LOCALE_IDATE,"1")
/* LOCVAL(LOCALE_ILDATE) */
LOCVAL(LOCALE_ITIME,"1")
/* LOCVAL(LOCALE_ITIMEMARKPOSN) */
/* LOCVAL(LOCALE_ICENTURY) */
LOCVAL(LOCALE_ITLZERO,"1")
/* LOCVAL(LOCALE_IDAYLZERO) */
/* LOCVAL(LOCALE_IMONLZERO) */
/* LOCVAL(LOCALE_S1159) */
/* LOCVAL(LOCALE_S2359) */
/* LOCVAL(LOCALE_ICALENDARTYPE) */
/* LOCVAL(LOCALE_IOPTIONALCALENDAR) */
/* LOCVAL(LOCALE_IFIRSTDAYOFWEEK) */
/* LOCVAL(LOCALE_IFIRSTWEEKOFYEAR) */
LOCVAL(LOCALE_SDAYNAME1,"Mandag")
LOCVAL(LOCALE_SDAYNAME2,"Tirsdag")
LOCVAL(LOCALE_SDAYNAME3,"Onsdag")
LOCVAL(LOCALE_SDAYNAME4,"Torsdag")
LOCVAL(LOCALE_SDAYNAME5,"Fredag")
LOCVAL(LOCALE_SDAYNAME6,"Lørdag")
LOCVAL(LOCALE_SDAYNAME7,"Søndag")
LOCVAL(LOCALE_SABBREVDAYNAME1,"Ma")
LOCVAL(LOCALE_SABBREVDAYNAME2,"Ti")
LOCVAL(LOCALE_SABBREVDAYNAME3,"On")
LOCVAL(LOCALE_SABBREVDAYNAME4,"To")
LOCVAL(LOCALE_SABBREVDAYNAME5,"Fr")
LOCVAL(LOCALE_SABBREVDAYNAME6,"Lø")
LOCVAL(LOCALE_SABBREVDAYNAME7,"Sø")
LOCVAL(LOCALE_SMONTHNAME1,"Januar")
LOCVAL(LOCALE_SMONTHNAME2,"Februar")
LOCVAL(LOCALE_SMONTHNAME3,"Marts")
LOCVAL(LOCALE_SMONTHNAME4,"April")
LOCVAL(LOCALE_SMONTHNAME5,"Maj")
LOCVAL(LOCALE_SMONTHNAME6,"Juni")
LOCVAL(LOCALE_SMONTHNAME7,"Juli")
LOCVAL(LOCALE_SMONTHNAME8,"August")
LOCVAL(LOCALE_SMONTHNAME9,"September")
LOCVAL(LOCALE_SMONTHNAME10,"Oktober")
LOCVAL(LOCALE_SMONTHNAME11,"November")
LOCVAL(LOCALE_SMONTHNAME12,"December")
LOCVAL(LOCALE_SMONTHNAME13,"")
LOCVAL(LOCALE_SABBREVMONTHNAME1,"Jan")
LOCVAL(LOCALE_SABBREVMONTHNAME2,"Feb")
LOCVAL(LOCALE_SABBREVMONTHNAME3,"Mar")
LOCVAL(LOCALE_SABBREVMONTHNAME4,"Apr")
LOCVAL(LOCALE_SABBREVMONTHNAME5,"Maj")
LOCVAL(LOCALE_SABBREVMONTHNAME6,"Jun")
LOCVAL(LOCALE_SABBREVMONTHNAME7,"Jul")
LOCVAL(LOCALE_SABBREVMONTHNAME8,"Aug")
LOCVAL(LOCALE_SABBREVMONTHNAME9,"Sep")
LOCVAL(LOCALE_SABBREVMONTHNAME10,"Okt")
LOCVAL(LOCALE_SABBREVMONTHNAME11,"Nov")
LOCVAL(LOCALE_SABBREVMONTHNAME12,"Dec")
LOCVAL(LOCALE_SABBREVMONTHNAME13,"")
/* LOCVAL(LOCALE_SPOSITIVESIGN) */
/* LOCVAL(LOCALE_SNEGATIVESIGN) */
/* LOCVAL(LOCALE_IPOSSIGNPOSN) */
/* LOCVAL(LOCALE_INEGSIGNPOSN) */
/* LOCVAL(LOCALE_IPOSSYMPRECEDES) */
/* LOCVAL(LOCALE_IPOSSEPBYSPACE) */
/* LOCVAL(LOCALE_INEGSYMPRECEDES) */
/* LOCVAL(LOCALE_INEGSEPBYSPACE) */
    break; /* LANG(Da) */

/*Insert other languages here*/

    default:
	break;
    }  /* switch */

	if(!retLen)
	{
		if(!retString)fprintf(stderr,"Unkown LC type %lX\n",LCType);
		else fprintf(stderr,"'%s' not supported for your language.\n",
			retString);
		return 0;
	}

	if(retLen>len)retLen=len;
	lstrcpyn(buf,retString,len);
	return retLen;
}


/***********************************************************************
 *           CompareStringA       (OLE2NLS.8)
 * This implementation ignores the locale, and trusts in libc
 */
int CompareStringA(DWORD lcid, DWORD fdwStyle, 
	char *s1, int l1, char *s2,int l2)
{
	int len,ret;
	if(fdwStyle & NORM_IGNORENONSPACE)
	{
		fprintf(stdnimp, "CompareStringA: IGNORENONSPACE not supprted\n");
	}
	if(fdwStyle & NORM_IGNORESYMBOLS)
		fprintf(stdnimp, "CompareStringA: IGNORESYMBOLS not supported\n");
	/* Is strcmp defaulting to string sort or to word sort?? */
	/* FIXME: Handle NORM_STRINGSORT */
	l1 = (l1==-1)?strlen(s1):l1;
	l2 = (l2==-1)?strlen(s2):l2;
	len = l1<l2 ? l1:l2;
	ret = (fdwStyle & NORM_IGNORECASE) ?
		lstrncmpi(s1,s2,len)	:
		strncmp(s1,s2,len);
	/* not equal, return 1 or 3 */
	if(ret!=0)return ret+2;
	/* same len, return 2 */
	if(l1==l2)return 2;
	/* the longer one is lexically greater */
	return (l1<l2)? 1 : 3;
}