[getdns-api] stdbool.h

Paul Hoffman paul.hoffman at vpnc.org
Wed Nov 20 17:37:39 CET 2013


On Nov 20, 2013, at 7:50 AM, Willem Toorop <Willem at NLnetLabs.nl> wrote:

> The current API includes stdbool.h, but has only one prototype that uses
> the bool type:
> 
> getdns_return_t
> getdns_context_create(
>  getdns_context_t       *context,
>  bool                   set_from_os
> );
> 
> Why not use int instead of bool and loose the dependency on stdbool.h.
> The API would become much more portable. I.e.:
> 
> getdns_return_t
> getdns_context_create(
>  getdns_context_t       *context,
>  int                    set_from_os
> );
> 
> I know from experience because ldns uses bool internal.  It needs quiet
> a bit of autoconf magic to provide a safe alternative when it is not
> available.  It has caused other problems as well; Struct members being
> aligned differently for the library as for programs using the library,
> because a difference in compiler options (i.e. is bool 1 byte or more).

If stdbool.h is at all an operational hassle, using ints would be better.

--Paul Hoffman

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