check_single_reference_templ.c

   1 #define xFN(TYPE,NAME) TYPE ## _ ## NAME
   2 #define FN(TYPE,NAME) xFN(TYPE,NAME)
   3
   4 /* Check that "obj" has a single reference.
   5  * That is, check that "obj" can be changed inplace.
   6  */
   7 isl_stat FN(TYPE,check_single_reference)(__isl_keep TYPE *obj)
   8 {
   9         isl_bool single;
  10
  11         single = FN(TYPE,has_single_reference)(obj);
  12         if (single < 0)
  13                 return isl_stat_error;
  14         if (!single)
  15                 isl_die(FN(TYPE,get_ctx)(obj), isl_error_invalid,
  16                         "object should have a single reference",
  17                         return isl_stat_error);
  18         return isl_stat_ok;
  19 }