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-rw-r--r--thirdparty/harfbuzz/src/hb-cplusplus.hh23
1 files changed, 22 insertions, 1 deletions
diff --git a/thirdparty/harfbuzz/src/hb-cplusplus.hh b/thirdparty/harfbuzz/src/hb-cplusplus.hh
index f06a32d912..c4d9d29e23 100644
--- a/thirdparty/harfbuzz/src/hb-cplusplus.hh
+++ b/thirdparty/harfbuzz/src/hb-cplusplus.hh
@@ -130,7 +130,7 @@ template <typename T,
void *,
hb_destroy_func_t,
hb_bool_t),
- void * (*_get_user_data) (T *,
+ void * (*_get_user_data) (const T *,
hb_user_data_key_t *)>
struct vtable_t
{
@@ -164,6 +164,27 @@ HB_DEFINE_VTABLE (unicode_funcs);
#undef HB_DEFINE_VTABLE
+#ifdef HB_SUBSET_H
+
+#define HB_DEFINE_VTABLE(name) \
+ template<> \
+ struct vtable<hb_##name##_t> \
+ : vtable_t<hb_##name##_t, \
+ nullptr, \
+ &hb_##name##_reference, \
+ &hb_##name##_destroy, \
+ &hb_##name##_set_user_data, \
+ &hb_##name##_get_user_data> {}
+
+
+HB_DEFINE_VTABLE (subset_input);
+HB_DEFINE_VTABLE (subset_plan);
+
+#undef HB_DEFINE_VTABLE
+
+#endif
+
+
} // namespace hb
/* Workaround for GCC < 7, see: