Ah, this reminds me that I forgot to tell this.
Yes, that was exactly the case with me, too.
Felix, would there be any difference with the let-location patch?
Daishi
At Sat, 12 Nov 2005 19:16:15 +0100,
David Janssens wrote:
>
> [1 <multipart/alternative (7bit)>]
> [1.1 <text/plain; ISO-8859-1 (quoted-printable)>]
>
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> Hello,
>
> udp-recvfrom doesnt seem to work under cygwin with chicken v2.2. ("Bad
> address" error)
>
> Replacing udp-recvfrom with this suggested patch doesnt work either:
>
> (define udp-recvfrom
> (lambda (sock len)
> (let ((fd (io:descriptor sock))
> (buf (make-string len))
> (from (make-string _sockaddr_in_size)))
> (let-location ((fromlen int _sockaddr_in_size))
> (let ((result
> (restart-nonblocking "recvfrom" fd #t
> (lambda () (##net#recvfrom fd buf len
> 0 from #
> $fromlen)))))
> (values result (substring buf 0 result)
> (##net#inaddr->string from) (##net#inaddr-port from)))))) )
>
> However, udp-recvfrom seems to work when I replace it with this less portable
> version:
>
> (define udp-recvfrom
> (lambda (sock len)
> (let ((fd (io:descriptor sock))
> (buf (make-string len))
> (from (make-string _sockaddr_in_size))
> (fromlen (make-string 4)))
> (string-set! fromlen 0 (integer->char _sockaddr_in_size))
> (string-set! fromlen 1 (integer->char 0))
> (string-set! fromlen 2 (integer->char 0))
> (string-set! fromlen 3 (integer->char 0))
> (let ((result
> (restart-nonblocking "recvfrom" fd #t
> (lambda () (##net#recvfrom fd buf len
> 0 from
> fromlen)))))
> (values result (substring buf 0 result)
> (##net#inaddr->string from) (##net#inaddr-port from))))))
>
> Does anyone have a clue why this is so?
>
> David
>
>
> [2 <text/plain; us-ascii (7bit)>]
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