Bastien Orivel d6ea38f32d ws2_32: Fix setsockopt(TCP_NODELAY) when optlen is less than 4. ... According to MSDN [1], the `TCP_NODELAY` parameter should be of type `BOOL` which is 4 bytes. Due to a bug [2] in rustc passing a byte instead of an int, any program written in rust that tries to set that option on a socket will fail with a "Invalid parameter supplied" error. Turns out that setsockopt on linux does not want optlen to be less than 4 bytes [3]. Windows' behavior is the following: - For optlen <= 0, return SOCKET_ERROR and set last error to WSAEFAULT - For optlen > 0, ignore the optlen value and set the TCP_NODELAY value to one if the first byte of the given optvalue is not 0. This will fix any rust program using the hyper library to do HTTP requests. [1]: https://docs.microsoft.com/en-us/windows/win32/winsock/ipproto-tcp-socket-options [2]: 44593aeb13/library/std/src/sys/windows/net.rs (L470) [3]: d58071a8a7/net/ipv4/tcp.c (L3419-L3420) Signed-off-by: Bastien Orivel <eijebong@bananium.fr> Signed-off-by: Zebediah Figura <zfigura@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>		2022-02-04 09:46:07 +01:00
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afd.c
Makefile.in
protocol.c
sock.c	ws2_32: Fix setsockopt(TCP_NODELAY) when optlen is less than 4.	2022-02-04 09:46:07 +01:00