On Aug 6 20:48, Zhiming Zhou wrote: > This bug happens on every 1.7.0 beta version. > I use getnameinfo function with NI_NUMERICHOST flag, > > if the "sin_port" of sockaddr is a known port(like 21, 80...) > in "/etc/services" file, getnameinfo function works ok, and > service name is correctly fetched(ftp, http...). > > however if I fill "sin_port" with an unknown port(like 6400, 6499) > getnameinfo returns EAI_NODATA, and if i add a 6400 or 6499 service > entry in "/etc/services" file, getnameinfo works ok again. > > So, I move the code to Linux, it works ok either "sin_port" is known > or unknown, if port is known(like 21), service name is fetched(ftp), > if not(6400), service name is filled with port number(6400), and it > works very good :) > > Any helps?
On what OS are you running? If that's Windows XP or 2003, then that's a known shortcoming of the OS which is fixed in Windows Vista and later. The workaround is to specify NI_NUMERICSERV. I'll take a stab at fixing this in Cygwin for XP/2003 so that it behaves as on Vista. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader cygwin AT cygwin DOT com Red Hat -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple