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Re: sendto bug
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
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