ws2_32: Add support for FROM_PROTOCOL_INFO to WSASocket()

[Dmitry Timoshkov]

"Kai Blin" <kai.blin at gmail.com> wrote:

> +    {FROM_PROTOCOL_INFO, FROM_PROTOCOL_INFO},
>  };
>  
>  static const int ws_socktype_map[][2] =
> @@ -304,6 +305,7 @@ static const int ws_socktype_map[][2] =
>      MAP_OPTION( SOCK_DGRAM ),
>      MAP_OPTION( SOCK_STREAM ),
>      MAP_OPTION( SOCK_RAW ),
> +    {FROM_PROTOCOL_INFO, FROM_PROTOCOL_INFO},
>  };
>  
>  static const int ws_proto_map[][2] =
> @@ -314,6 +316,7 @@ static const int ws_proto_map[][2] =
>      MAP_OPTION( IPPROTO_ICMP ),
>      MAP_OPTION( IPPROTO_IGMP ),
>      MAP_OPTION( IPPROTO_RAW ),
> +    {FROM_PROTOCOL_INFO, FROM_PROTOCOL_INFO},
>  };

Although it was the case before, it's a mistake to have a comma after
the last struct member initializer.
 
> +    if (lpProtocolInfo) {
> +      if (af == FROM_PROTOCOL_INFO)
> +          af = lpProtocolInfo->iAddressFamily;
> +      if (type == FROM_PROTOCOL_INFO)
> +          type = lpProtocolInfo->iSocketType;
> +      if (protocol == FROM_PROTOCOL_INFO)
> +          protocol = lpProtocolInfo->iProtocol;

Please keep opening brace style/indentation consistent with code you have
removed.

> --- a/include/winsock.h
> +++ b/include/winsock.h
> @@ -146,6 +146,7 @@ extern "C" {
>  /* proper 4-byte packing */
>  #include <pshpack4.h>
>  
> +#define FROM_PROTOCOL_INFO (-1)

PSDK has it in winsock2.h


-- 
Dmitry.