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Some safe coding. Check that pointer is not null.

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Dmitry-Me 2014-08-14 16:10:12 +02:00 committed by Daniel Marjamäki
parent 543589564d
commit 7e442cf75d
1 changed files with 4 additions and 2 deletions
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6
lib/checkunusedvar.cpp
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@ -148,10 +148,12 @@ void Variables::alias(unsigned int varid1, unsigned int varid2, bool replace)
VariableUsage *var1 = find(varid1); VariableUsage *var1 = find(varid1);
VariableUsage *var2 = find(varid2); VariableUsage *var2 = find(varid2);
if (!var1 || !var2)
return;
// alias to self // alias to self
if (varid1 == varid2) { if (varid1 == varid2) {
if (var1) var1->use(_varReadInScope);
var1->use(_varReadInScope);
return; return;
} }