Function firsttry

3rd/lua-5.4.3/src/lmem.c:31–36

** First allocation will fail whenever not building initial state. ** (This fail will trigger 'tryagain' and a full GC cycle at every ** allocation.) */

** allocation.)
*/
static void *firsttry (global_State *g, void *block, size_t os, size_t ns) {
  if (completestate(g) && ns > 0)  /* frees never fail */
    return NULL;  /* fail */
  else  /* normal allocation */
    return (*g->frealloc)(g->ud, block, os, ns);
}
#else
#define firsttry(g,block,os,ns)    ((*g->frealloc)(g->ud, block, os, ns))
#endif