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2026-04-17 16:25:29 +02:00
parent a8816b2964
commit e0fb3e0160
2 changed files with 16 additions and 3 deletions
@@ -100,9 +100,19 @@ bool JsonSettingsIO::saveState(const CrossPointState& s, const char* path) {
    return false;
  }

+  if (doc.overflowed()) {
+    LOG_ERR("CPS", "JSON document overflowed while building state");
+    file.close();
+    return false;
+  }
+
+  const size_t expected = measureJson(doc);
  const size_t written = serializeJson(doc, file);
-  file.close();
-  return written > 0;
+  file.flush();
+  if (!file.close()) {
+    return false;
+  }
+  return written == expected;
 }

 bool JsonSettingsIO::loadState(CrossPointState& s, const char* json) {