1 files changed, 5 insertions, 0 deletions
diff --git a/upb/def.c b/upb/def.c
index 4423053..b3114cd 100644
--- a/upb/def.c
+++ b/upb/def.c
@@ -1337,6 +1337,7 @@ bool upb_fielddef_checkdescriptortype(int32_t type) {
 
 /* upb_msgdef *****************************************************************/
 
+static const char *kDurationFullMessageName = "google.protobuf.Duration";
 static const char *kTimestampFullMessageName = "google.protobuf.Timestamp";
 
 static void visitmsg(const upb_refcounted *r, upb_refcounted_visit *visit,
@@ -1595,6 +1596,10 @@ bool upb_msgdef_mapentry(const upb_msgdef *m) {
   return m->map_entry;
 }
 
+bool upb_msgdef_duration(const upb_msgdef *m) {
+  return strcmp(upb_msgdef_fullname(m), kDurationFullMessageName) == 0;
+}
+
 bool upb_msgdef_timestamp(const upb_msgdef *m) {
   return strcmp(upb_msgdef_fullname(m), kTimestampFullMessageName) == 0;
 }