[glass] Check for struct descriptor size 0 (wpilibsuite#7192)

This avoids a potential divide by 0.
katzuv · Oct 14, 2024 · 0603359 · 0603359
1 parent 21ad2e4
commit 0603359
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/glass/src/libnt/native/cpp/NetworkTables.cpp b/glass/src/libnt/native/cpp/NetworkTables.cpp
@@ -745,7 +745,7 @@ void NetworkTablesModel::ValueSource::UpdateFromValue(
           structName = *withoutArray;
         }
         auto desc = model.m_structDb.Find(structName);
-        if (desc && desc->IsValid()) {
+        if (desc && desc->IsValid() && desc->GetSize() != 0) {
           if (isArray) {
             // array of struct at top level
             if (valueChildrenMap) {