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[W521] false positive when SetString is used

9 years ago • updated by 9 years ago • 1

The following code produces a W521: Return value of function xxx might be undefined:

function GetModuleFilename(const _Module: Cardinal): string;

var

Buffer: array[0..260] of Char;

begin

SetString(Result, Buffer, Windows.GetModuleFilename(_Module, Buffer, SizeOf(Buffer)))

end;

It should not.

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I think this is a duplicate of: http://fixinsight.userecho.com/topics/68-w521-false-positive-when-result-is-set-in-a-function-call/, maybe related to: http://fixinsight.userecho.com/topics/74-w521-false-positive-with-result/

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