3373 gcc >= 4.5 concerns about offsetof()

*** 45,55 ****
--- 45,59 ----
  #ifndef TEXT_DOMAIN
  #define TEXT_DOMAIN     "SYS_TEST"
  #endif
  
  /* calculate offset of a particular element in a structure      */
+ #if defined(__GNUC__)
+ #define offsetof(s, m)  __builtin_offsetof(s, m)
+ #else
  #define offsetof(s, m)  ((size_t)(&(((s *)0)->m)))
+ #endif
  #define addrof(s)  ((char **)&(s))
  
  /* verify if a field is printable in respect of the current option flags */
  #define PRINTABLE(i)    ((lf->plf_ffs[(i)].pff_prt & D_FIELD) || \
          (lf->plf_ffs[(i)].pff_prt & X_FIELD))