[Gambas-user] Get last errno from external function call
Benoit Minisini
benoit.minisini at gambas-basic.org
Thu Oct 6 10:43:07 CEST 2022
Le 06/10/2022 à 01:30, vuott--- via User a écrit :
> Out of curiosity, maybe you could also try "System.GetExternSymbol ()":
>
> Dim p As Pointer
>
> p = System.GetExternSymbol("libgpiod", "errno")
>
> Print Int@(p)
>
Don't do that, as 'errno' is not a global variable anymore according to
the glibc manual ('man errno' says it's a C macro).
Regards,
--
Benoît Minisini.
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