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-rw-r--r--sax/qa/cppunit/test_converter.cxx1
-rw-r--r--sax/source/tools/converter.cxx6
2 files changed, 4 insertions, 3 deletions
diff --git a/sax/qa/cppunit/test_converter.cxx b/sax/qa/cppunit/test_converter.cxx
index d58dd0bfb020..4cf2142c9a60 100644
--- a/sax/qa/cppunit/test_converter.cxx
+++ b/sax/qa/cppunit/test_converter.cxx
@@ -502,6 +502,7 @@ void ConverterTest::testMeasure()
doTestMeasureToString("979.928cm", 555550, MeasureUnit::TWIP, MeasureUnit::CM);
doTestMeasureToString("111.1pt", 2222, MeasureUnit::TWIP, MeasureUnit::POINT);
doTestMeasureToString("385.7986in", 555550, MeasureUnit::TWIP, MeasureUnit::INCH);
+ doTestMeasureToString("-2147483.648cm", std::numeric_limits<sal_Int32>::min(), MeasureUnit::MM_100TH, MeasureUnit::CM);
}
void doTestStringToBool(bool bBool, char const*const pis)
diff --git a/sax/source/tools/converter.cxx b/sax/source/tools/converter.cxx
index 250c756e64e6..fd450affb5f4 100644
--- a/sax/source/tools/converter.cxx
+++ b/sax/source/tools/converter.cxx
@@ -280,10 +280,11 @@ void Converter::convertMeasure( OUStringBuffer& rBuffer,
return;
}
+ sal_Int64 nValue(nMeasure); // extend to 64-bit first to avoid overflow
// the sign is processed separately
- if( nMeasure < 0 )
+ if (nValue < 0)
{
- nMeasure = -nMeasure;
+ nValue = -nValue;
rBuffer.append( '-' );
}
@@ -401,7 +402,6 @@ void Converter::convertMeasure( OUStringBuffer& rBuffer,
break;
}
- sal_Int64 nValue = nMeasure;
OSL_ENSURE(nValue <= SAL_MAX_INT64 / nMul, "convertMeasure: overflow");
nValue *= nMul;
nValue /= nDiv;