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-rw-r--r--ext/json/generator/generator.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/ext/json/generator/generator.h b/ext/json/generator/generator.h
index 6cfb8ac..a583971 100644
--- a/ext/json/generator/generator.h
+++ b/ext/json/generator/generator.h
@@ -78,8 +78,13 @@ typedef struct JSON_Generator_StateStruct {
long buffer_initial_length;
} JSON_Generator_State;
+#ifdef HAVE_TYPE_RB_DATA_TYPE_T
#define GET_STATE_TO(self, state) \
TypedData_Get_Struct(self, JSON_Generator_State, &JSON_Generator_State_type, state)
+#else
+#define GET_STATE_TO(self, state) \
+ Data_Get_Struct(self, JSON_Generator_State, state)
+#endif
#define GET_STATE(self) \
JSON_Generator_State *state; \
@@ -147,7 +152,9 @@ static VALUE cState_ascii_only_p(VALUE self);
static VALUE cState_depth(VALUE self);
static VALUE cState_depth_set(VALUE self, VALUE depth);
static FBuffer *cState_prepare_buffer(VALUE self);
+#ifdef HAVE_TYPE_RB_DATA_TYPE_T
static const rb_data_type_t JSON_Generator_State_type;
+#endif
#ifndef ZALLOC
#define ZALLOC(type) ((type *)ruby_zalloc(sizeof(type)))