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padded free memory pointer in TypedMemView.sol #14

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padded free memory pointer in TypedMemView.sol #14

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4 changes: 2 additions & 2 deletions contracts/TypedMemView.sol
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Original file line number Diff line number Diff line change
Expand Up @@ -711,7 +711,7 @@ library TypedMemView {
unsafeCopyTo(memView, ptr + 0x20);
assembly {
// solium-disable-previous-line security/no-inline-assembly
mstore(0x40, add(add(ptr, _len), 0x20)) // write new unused pointer
mstore(0x40, add(add(ptr, add(_len, 31)), 0x20)) // write new unused pointer
mstore(ptr, _len) // write len of new array (in bytes)
}
}
Expand Down Expand Up @@ -795,7 +795,7 @@ library TypedMemView {
// store the legnth
mstore(ptr, _written)
// new pointer is old + 0x20 + the footprint of the body
mstore(0x40, add(add(ptr, _footprint), 0x20))
mstore(0x40, add(add(ptr, add(_footprint, 0x1f)), 0x20))
ret := ptr
}
}
Expand Down