clang/test/Parser/nullability.c

   1 // RUN: %clang_cc1 -fsyntax-only -std=c99 -Wno-nullability-declspec -pedantic %s -verify
   2
   3 _Nonnull int *ptr; // expected-warning{{type nullability specifier '_Nonnull' is a Clang extension}}
   4
   5 #pragma clang diagnostic push
   6 #pragma clang diagnostic ignored "-Wnullability-extension"
   7 _Nonnull int *ptr2; // no-warning
   8 #pragma clang diagnostic pop
   9
  10 #if !__has_feature(nullability)
  11 #  error Nullability should always be supported
  12 #endif
  13
  14 #if !__has_feature(nullability_on_arrays)
  15 #  error Nullability on array parameters should always be supported
  16 #endif
  17
  18 #if !__has_extension(nullability)
  19 #  error Nullability should always be supported as an extension
  20 #endif
  21
  22 #if !__has_extension(nullability_on_arrays)
  23 #  error Nullability on array parameters should always be supported as an extension
  24 #endif