<resolv.h> requires <netinet/in.h>
Tue Dec 9 09:21:00 GMT 2008
On Dec 8 17:52, Yaakov (Cygwin/X) wrote:
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> Pierre A. Humblet wrote:
> > Every version of man resolver that I have ever seen specifies:
> > SYNOPSIS
> > #include <sys/types.h>
> > #include <netinet/in.h>
> > #include <arpa/nameser.h>
> > #include <resolv.h>
> > So it's up to the user to include the right files.
> Perhaps so, but:
> 1) <resolv.h> already #includes all of those headers *except* for
> 2) this does not match Linux behaviour:
> As I stated, my STC was based on a configure test which works on other
> platforms; I don't see why we shouldn't match that.
> > Sure we can make an exception for Cygwin, but the same program can then fail elsewhere.
> I agree that for portability, a program should not assume that #include
> <resolv.h> automatically #include <netinet/in.h> and use the latter's
> functions or typedefs. But the bottom line here is that <resolv.h>
> requires struct sockaddr_in, so it needs that #include.
Good point. Pierre?
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Project Co-Leader cygwin AT cygwin DOT com
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