[Github-comments] [geany/geany-plugins] Workbench (#598)

[elextr]

>  not get the warning about the sign change on the return values with using -Wall -Wextra only.

Well, its perfectly legal C to assign `int` to `uint`, and there are old time system interfaces that use `int` where they only return positive values and actually should have used `uint`, so the warning is spurious (and unfixable) in some cases.  Thats why it is not included in `-Wall` and `-Wextra`.

The less used warnings tend to be ones that can cause more unsuppressable spurious results, or just plain stupid results (see a recent discussion between @b4n and I about returning small structs from functions that was triggered by one of his warnings :wink: ).  Thats why @b4n doesn't advise his option set and use it on Travis, the results cannot be taken at face value, they need interpretation.

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