Re: opendir and dirent.h

[Lorenzo Bettini]

Bruno Haible wrote:
> Lorenzo Bettini wrote:
> > However, I then noticed that there's dirent as a module (and opendir is 
> > declared in dirent.h) so I bet I should import dirent module anyway, 
> > shouldn't I?
>
> When you look at the gnulib/lib/dirent.in.h file, you see that it declares
> only functions; it provides no types, enums, or macros. In such a situation,
> it's sufficient for you to require the particular function modules (such as
> 'dirfd', 'scandir', etc.); the 'dirent' module will be pulled in implicitly,
> as a dependency, if it is needed.
>
> The documentation in [1] also mentions no particular reason for which you
> would need to use the 'dirent' module. That may change over time, of course:
> it is alwaus possible that we discover some portability problems and fix it
> in the 'dirent' module.

OK

so for the moment if I include this only because I use opendir, it is 
still safe to do so, though not necessary, as far as I understand

cheers
        Lorenzo

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Lorenzo Bettini, PhD in Computer Science, DI, Univ. Torino
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