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Re: strsuftoi(3), strsuftou(3) proposal in libc
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On 30.10.2015 16:53, J. Lewis Muir wrote:
> On 10/30/15 7:16 AM, Jan Danielsson wrote:
>> I recall some discussion (on this list, I think) years ago on
>> the topic of creating a libc extensions library which was
>> specifically meant for becoming a portability library for common
>> libc extensions. As I remember it, it was one of those
>> discussions where there was pretty much uniform consensus that it
>> was a good idea, but I think the discussion started to fade away
>> when someone brought up maintainability of such a library
>> (keeping it in-tree, but at the same time keeping it as a
>> separate project).
>> Perhaps it's time to revisit this idea?
> If I sit down to write a portable program, I try to avoid
> nonportable functions even if they're better. :-( I wish it wasn't
> like that. Yes, I could try to pull the desired functions out of
> NetBSD libc or wherever, but that's more work, I'm duplicating
> code, and I have to maintain my copy of it (i.e. track and merge
> changes). If there was a nice libc extensions portability library
> that was offered as a separate project, that would be *really nice*
> to just use. I assume the functions would need to be prefixed with
> "nb_" or something to give them a unique namespace so that if a
> function became part of a standard and eventually appeared in libc,
> it would not conflict with the one in the portability library.
> Then I could modify my program to use the libc function (without
> the "nb_" prefix) at my leisure.
> And there could of course be a package for it in pkgsrc, and the
> package for my portable program could just depend on it in pkgsrc.
> Very nice.
> On the other hand, I understand that it would require effort for
> the NetBSD developers to maintain such a portability library if it
> was determined to be a good idea.
It's already done - libnbcompat in pkgsrc. Just write your program
with NetBSD libc API and use libnbcompat for whatever POSIX-like
platform. This is how I'm doing it - no big magic.
The only limitation is that it's incomplete and some of our functions
require long long or *int*_t features.
POSIX and ANSI C aren't the only standards around.
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