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June 2009 - Posts

Thinking about Last Checkin Chicken

Raymond Chen’s post today started me thinking about “Last Check-in Chicken” again.  Back in the says when we were close to shipping Windows Vista, I wrote about ” Last Check-in Chicken ”.  What I didn’t mention was who ultimately won the game Read More...
Posted Tuesday, June 30, 2009 3:34 PM by LarryOsterman | 8 Comments

What’s wrong with this code, part 26 – the answer

Yesterday I posted a code snippet from inside a real piece of code inside the client side of a client/server utility in a Microsoft product. static DWORD WINAPI _PlayBeep(__in void* pv) { UNREFERENCED_PARAMETER(pv); PlaySound(L".Default", NULL, Read More...
Posted Monday, June 29, 2009 11:22 AM by LarryOsterman | 6 Comments

What’s wrong with this code, part 26 – a real-world example

This is an example of a real-world bug that was recently fixed in an unreleased Microsoft product.  I was told about the bug because it involved the PlaySound API (and thus they asked me to code review the fix), but it could happen with any application. Read More...
Posted Thursday, June 25, 2009 12:26 PM by LarryOsterman | 28 Comments

Windows 7 fixes the PlaySound(XXX, SND_MEMORY|SND_ASYNC) anti-pattern

A number of times in the past, I’ve mentioned that the PlaySound(xxx, xxx, SND_MEMORY|SND_ASYNC) pattern is almost always a bad idea.  After the last wave of crash dumps were received for this problem, our team decided to do something about it.  Read More...
Posted Wednesday, June 24, 2009 2:54 PM by LarryOsterman | 0 Comments
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Good News! strlen isn’t a banned API after all.

We were doing some code reviews on the new Win7 SDK samples the other day and one of the code reviewers noticed that the code used wcslen to compute the length of a string. He pointed out that the SDL Banned API page calls out strlen/wcslen as being banned Read More...
Posted Tuesday, June 23, 2009 10:01 AM by LarryOsterman | 6 Comments
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