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-rw-r--r--spec/ruby/optional/capi/ext/typed_data_spec.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/spec/ruby/optional/capi/ext/typed_data_spec.c b/spec/ruby/optional/capi/ext/typed_data_spec.c
index 60408a5750..a2cc53f54d 100644
--- a/spec/ruby/optional/capi/ext/typed_data_spec.c
+++ b/spec/ruby/optional/capi/ext/typed_data_spec.c
@@ -43,7 +43,11 @@ void sample_typed_wrapped_struct_mark(void* st) {
}
size_t sample_typed_wrapped_struct_memsize(const void* st) {
- return sizeof(struct sample_typed_wrapped_struct);
+ if (st == NULL) {
+ return 0;
+ } else {
+ return ((struct sample_typed_wrapped_struct *)st)->foo;
+ }
}
static const rb_data_type_t sample_typed_wrapped_struct_data_type = {