Why is CUPS not returning my default printer?

StackOverflow https://stackoverflow.com/questions/9838933

  •  26-05-2021
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Question

I'm making the following call: 

cupsGetDest(0,0,numDests,dests);

Where numDests and dests are set appropriately. null is returned, even though I have a default printer set. Why is this?

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Solution

Turns out I was running this as root instead of the desktop user, hence the problem.

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