check_type_range_templ.c

   1 #define xFN(TYPE,NAME) TYPE ## _ ## NAME
   2 #define FN(TYPE,NAME) xFN(TYPE,NAME)
   3
   4 /* Check that there are "n" dimensions of type "type" starting at "first"
   5  * in "obj".
   6  */
   7 isl_stat FN(TYPE,check_range)(__isl_keep TYPE *obj,
   8         enum isl_dim_type type, unsigned first, unsigned n)
   9 {
  10         unsigned dim;
  11
  12         if (!obj)
  13                 return isl_stat_error;
  14         dim = FN(TYPE,dim)(obj, type);
  15         if (first + n > dim || first + n < first)
  16                 isl_die(FN(TYPE,get_ctx)(obj), isl_error_invalid,
  17                         "position or range out of bounds",
  18                         return isl_stat_error);
  19         return isl_stat_ok;
  20 }