[Issue 5540] Probable bug-hiding redundancies

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=5540



--- Comment #4 from bearophile_hugs at eml.cc 2011-06-19 16:44:30 PDT ---
(In reply to comment #3)
> See a very nice example of bug of this kind, that's easy to find for a compiler
> or lint:
> 
> http://www.digitalmars.com/webnews/newsgroups.php?art_group=digitalmars.D&article_id=139021

The bug in Andrej Mitrovic code was:

if (mmioRead(hmmio, cast(LPSTR)&drum, DRUM.sizeof != DRUM.sizeof))
{
    mmioClose(hmmio, 0);
    return szErrorCannotRead;
}

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