Function luaS_new

src/vm/luavm/lua/lstring.c:201–211

** Create or reuse a zero-terminated string, first checking in the ** cache (using the string address as a key). The cache can contain ** only zero-terminated strings, so it is safe to use 'strcmp' to ** check hits. */

** check hits.
*/
TString *luaS_new (lua_State *L, const char *str) {
  unsigned int i = point2uint(str) % STRCACHE_SIZE;  /* hash */
  TString **p = G(L)->strcache[i];
  if (strcmp(str, getstr(p[0])) == 0)  /* hit? */
    return p[0];  /* that it is */
  else {  /* normal route */
    TString *s = luaS_newlstr(L, str, strlen(str));
    p[0] = s;
    return s;
  }
}


Udata *luaS_newudata (lua_State *L, size_t s) {