/*

 * SPDX-License-Identifier: ISC

 *

 * Copyright 2023, Sergey Bronnikov.

 */

#include <stdint.h>

#include <stddef.h>

#include <string.h>

#include <stdlib.h>

#include <assert.h>

#include "lua.h"

#include "lualib.h"

#include "lauxlib.h"

int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)

{

  lua_State *L = luaL_newstate();

  if (L == NULL)

    return 0;

  luaL_openlibs(L);

  char *str = malloc(size + 1);

  if (str == NULL)

    return 0;

  memcpy(str, data, size);

  str[size] = '\0';

#ifdef LUAJIT

  /* See https://luajit.org/running.html. */

  luaL_dostring(L, "jit.opt.start('hotloop=1')");

  luaL_dostring(L, "jit.opt.start('hotexit=1')");

  luaL_dostring(L, "jit.opt.start('recunroll=1')");

  luaL_dostring(L, "jit.opt.start('callunroll=1')");

#endif /* LUAJIT */

  if (luaL_loadstring(L, str) != LUA_OK) {

    goto end;

  }

  lua_pcall(L, 0, 0, 0);

end:

  free(str);

  lua_settop(L, 0);

  lua_close(L);

  return 0;

}