safety check.

r-spatial · Jan 9, 2024 · 9c48f4b · 9c48f4b
1 parent 68257fa
commit 9c48f4b
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/mdim.cpp b/src/mdim.cpp
@@ -355,6 +355,8 @@ List CPL_read_mdim(CharacterVector file, CharacterVector array_names, CharacterV
 				for (const auto &co: components) { 
 					auto t(co->GetType());
 					if (t.GetClass() == GEDTC_NUMERIC) {
+						if (t.GetSize() != sizeof(double))
+							stop("only Float64 data supported in numeric compounds");
 						NumericVector vec(nValues);
 						for (int j = 0; j < nValues; j++)
 							memcpy(&(vec[j]), v + j * sz + co->GetOffset(), sizeof(double));