#ifndef lstring_h

#define lstring_h

#include "lgc.h"

#include "lobject.h"

#include "lstate.h"

#define MEMERRMSG "not enough memory"

#if !defined(LUAI_MAXSHORTLEN)

#define LUAI_MAXSHORTLEN 40

#define sizestrshr(l) \

(offsetof(TString, contents) + ((l) + 1) * sizeof(char))

#define luaS_newliteral(L, s) (luaS_newlstr(L, "" s, \

(sizeof(s)/sizeof(char))-1))

#define isreserved(s) (strisshr(s) && (s)->extra > 0)

#define eqshrstr(a,b) check_exp((a)->tt == LUA_VSHRSTR, (a) == (b))

LUAI_FUNC unsigned luaS_hashlongstr (TString *ts);

LUAI_FUNC int luaS_eqstr (TString *a, TString *b);

LUAI_FUNC void luaS_resize (lua_State *L, int newsize);

LUAI_FUNC void luaS_clearcache (global_State *g);

LUAI_FUNC void luaS_init (lua_State *L);

LUAI_FUNC void luaS_remove (lua_State *L, TString *ts);

LUAI_FUNC Udata *luaS_newudata (lua_State *L, size_t s,

unsigned short nuvalue);

LUAI_FUNC TString *luaS_newlstr (lua_State *L, const char *str, size_t l);

LUAI_FUNC TString *luaS_new (lua_State *L, const char *str);

LUAI_FUNC TString *luaS_createlngstrobj (lua_State *L, size_t l);

LUAI_FUNC TString *luaS_newextlstr (lua_State *L,

const char *s, size_t len, lua_Alloc falloc, void *ud);

LUAI_FUNC size_t luaS_sizelngstr (size_t len, int kind);

LUAI_FUNC TString *luaS_normstr (lua_State *L, TString *ts);