/*
** String handling.
** Copyright (C) 2005-2017 Mike Pall. See Copyright Notice in luajit.h
*/

#ifndef _LJ_STR_H
#define _LJ_STR_H

#include <stdarg.h>

#include "lj_obj.h"

/* String helpers. */
LJ_FUNC int32_t LJ_FASTCALL lj_str_cmp(GCstr *a, GCstr *b);
LJ_FUNC const char *lj_str_find(const char *s, const char *f,
				MSize slen, MSize flen);
LJ_FUNC int lj_str_haspattern(GCstr *s);

/* String interning. */
LJ_FUNC void lj_str_resize(lua_State *L, MSize newmask);
LJ_FUNCA GCstr *lj_str_new(lua_State *L, const char *str, size_t len);
LJ_FUNC void LJ_FASTCALL lj_str_free(global_State *g, GCstr *s);

#define lj_str_newz(L, s)	(lj_str_new(L, s, strlen(s)))
#define lj_str_newlit(L, s)	(lj_str_new(L, "" s, sizeof(s)-1))

typedef MSize (*lj_str_hashfn) (const char *, MSize);

extern lj_str_hashfn lj_str_hash;

extern MSize lj_str_hash_default(const char *str, MSize lenx);

extern void lj_str_hash_init(uint32_t flags);

#endif