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Mon, 25 Feb 2008

API design and error handling in code - 21:12
I am catching up on some posts on planet Gnome and I came across this post about error handling with g_malloc and a response agreeing with it. I find this interesting for a few reasons.

First it is true that putting in full error handling in code when using fairly standard libraries can take a lot of time, complexity and ugliness. However there should be some way somewhere to find out if errors happened I suggest, largely so you can deal with them if there is a situation they may be likely. Also understanding that libraries can fail in calls and what this means is important for coders, even if they do not handle them all. When marking assignments at uni I am keen to see that students have thought about error conditions and made the decision about what level of complexity to trade off against what likleyhood certain errors have of occurring.

The above issue with assignments however does tend to be students who are newer to programming than most free software hackers so there are considerations in both directions there. As for the other reason the above posts interest me, it is cool to see Cairo getting such props for great design again. Carl and co have done a stellar job with that library.

As I continue reading the planet I can see more entries in the thread.

[/comp/design] link

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