handle empty slice explicitly

7 years ago · 801e566622
parent 8b5e45a35b
commit 801e566622
1 changed files with 7 additions and 4 deletions
--- a/include/grpcpp/impl/codegen/call.h
+++ b/include/grpcpp/impl/codegen/call.h
@ -573,10 +573,13 @@ class CallOpClientRecvStatus {
      binary_error_details =
          grpc::string(iter->second.begin(), iter->second.length());
    }
-    *recv_status_ = Status(static_cast<StatusCode>(status_code_),
-                           grpc::string(GRPC_SLICE_START_PTR(error_message_),
-                                        GRPC_SLICE_END_PTR(error_message_)),
-                           binary_error_details);
+    *recv_status_ =
+        Status(static_cast<StatusCode>(status_code_),
+               GRPC_SLICE_IS_EMPTY(error_message_)
+                   ? grpc::string()
+                   : grpc::string(GRPC_SLICE_START_PTR(error_message_),
+                                  GRPC_SLICE_END_PTR(error_message_)),
+               binary_error_details);
    client_context_->set_debug_error_string(
        debug_error_string_ != nullptr ? debug_error_string_ : "");
    g_core_codegen_interface->grpc_slice_unref(error_message_);