diff options
| -rw-r--r-- | starmath/source/node.cxx | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/starmath/source/node.cxx b/starmath/source/node.cxx index eddde9f18f2d..5beab34c731d 100644 --- a/starmath/source/node.cxx +++ b/starmath/source/node.cxx @@ -25,6 +25,7 @@ #include <visitors.hxx> #include <tools/UnitConversion.hxx> #include <vcl/metric.hxx> +#include <o3tl/safeint.hxx> #include <osl/diagnose.h> #include <basegfx/numeric/ftools.hxx> @@ -835,8 +836,14 @@ void SmBinHorNode::Arrange(OutputDevice &rDev, const SmFormat &rFormat) const SmRect &rOpRect = pOper->GetRect(); - tools::Long nDist = (rOpRect.GetWidth() * - rFormat.GetDistance(DIS_HORIZONTAL)) / 100; + tools::Long nMul; + if (o3tl::checked_multiply<tools::Long>(rOpRect.GetWidth(), rFormat.GetDistance(DIS_HORIZONTAL), nMul)) + { + SAL_WARN("starmath", "integer overflow"); + return; + } + + tools::Long nDist = nMul / 100; SmRect::operator = (*pLeft); |