Fix warning: argument 1 null where non-null expected

lagadic · Oct 8, 2024 · db5980b · db5980b
1 parent 290c296
commit db5980b
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/modules/core/include/visp3/core/vpIoTools.h b/modules/core/include/visp3/core/vpIoTools.h
@@ -316,7 +316,9 @@ template<typename T> void npz_save(std::string zipname, std::string fname, const
   //write everything
   fwrite(&local_header[0], sizeof(char), local_header.size(), fp);
   fwrite(&npy_header[0], sizeof(char), npy_header.size(), fp);
-  fwrite(&data[0], sizeof(T), nels, fp);
+  if (data != nullptr) {
+    fwrite(&data[0], sizeof(T), nels, fp);
+  }
   fwrite(&global_header[0], sizeof(char), global_header.size(), fp);
   fwrite(&footer[0], sizeof(char), footer.size(), fp);
   fclose(fp);