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-rw-r--r--src/misc/fixedsizearray.hpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/misc/fixedsizearray.hpp b/src/misc/fixedsizearray.hpp
index 8b82373fa..a6f4d0c42 100644
--- a/src/misc/fixedsizearray.hpp
+++ b/src/misc/fixedsizearray.hpp
@@ -53,6 +53,9 @@ public:
/** Default constructor. Preallocate space for items and header, then initialize header. */
FixedSizeArray()
{
+ /* Ensure the size won't overflow. */
+ assert_compile(C < (SIZE_MAX - HeaderSize) / Tsize);
+
/* allocate block for header + items (don't construct items) */
data = (T*)((MallocT<byte>(HeaderSize + C * Tsize)) + HeaderSize);
SizeRef() = 0; // initial number of items