On Fri, Mar 29, 2002 at 12:13:22PM -0500, David E Euresti wrote: > I believe the implementation of sendto in cygwin.dll has a bug. >The following code works on linux but not on cygwin. I believe the reason >is that cygwin checks whether the to field is null however it is >absolutely permissible for the to field to be null, as seen in the >following line at net.cc > > if ((len && __check_invalid_read_ptr_errno (buf, (unsigned) len)) > || __check_null_invalid_struct_errno (to, tolen) > || !h) > >I think that if we replace this with > if ((len && __check_invalid_read_ptr_errno (buf, (unsigned) len)) > || to && __check_null_invalid_struct_errno (to, tolen) > || !h) > >and then make sure the get_inet_addr doesn't get called it would work >correctly, as both WSAsendto and winsock 1 sendto accept null to's.
I don't see anything in the linux man page or the Single UNIX Specification which indicates that the "to" address can be NULL. cgf -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Bug reporting: http://cygwin.com/bugs.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/