c_str -> data

2 files changed, 2 insertions, 2 deletions

diff --git a/searchcore/src/tests/proton/matching/matching_test.cpp b/searchcore/src/tests/proton/matching/matching_test.cpp
index 8c4bf0d55b0..95ab43dbcba 100644
--- a/searchcore/src/tests/proton/matching/matching_test.cpp
+++ b/searchcore/src/tests/proton/matching/matching_test.cpp
@@ -616,7 +616,7 @@ TEST("require that grouping is performed (multi-threaded)") {
             Grouping grequest;
             grequest.setRoot(Group().addResult(SumAggregationResult().setExpression(createAttr())));
             grequest.serialize(os);
-            request->groupSpec.assign(buf.c_str(), buf.c_str() + buf.size());
+            request->groupSpec.assign(buf.data(), buf.data() + buf.size());
         }
         SearchReply::UP reply = world.performSearch(request, threads);
         {
diff --git a/searchcore/src/tests/proton/matching/request_context/request_context_test.cpp b/searchcore/src/tests/proton/matching/request_context/request_context_test.cpp
index 109a4cc7a25..c3338a973c4 100644
--- a/searchcore/src/tests/proton/matching/request_context/request_context_test.cpp
+++ b/searchcore/src/tests/proton/matching/request_context/request_context_test.cpp
@@ -36,7 +36,7 @@ private:
     void insert_tensor_in_properties(const vespalib::string& tensor_name, const Value& tensor_value) {
         vespalib::nbostream stream;
         DefaultTensorEngine::ref().encode(tensor_value, stream);
-        _props.add(tensor_name, vespalib::stringref(stream.c_str(), stream.size()));
+        _props.add(tensor_name, vespalib::stringref(stream.data(), stream.size()));
     }
 
 public: