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afd: make afd_get_protocol() error reporting more accurate

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This commit is contained in:
Bert Belder 2017-12-05 04:47:59 +01:00
parent 283aa5fe76
commit 4159a14364
1 changed files with 6 additions and 7 deletions
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13
src/afd.c
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@ -150,19 +150,18 @@ WEPOLL_INTERNAL ssize_t afd_get_protocol(SOCKET socket,
if (id < 0) {
/* If getting protocol information failed, it might be due to the socket
* not being an AFD socket. If so, attempt to fetch the underlying base
* socket, then try again to obtain protocol information. If that also
* fails, return the *original* error. */
DWORD original_error = GetLastError();
if (original_error != ERROR_NOT_SUPPORTED)
return_error(-1);
* socket, then try again to obtain protocol information. */
DWORD error = GetLastError();
if (error != ERROR_NOT_SUPPORTED)
return -1;
afd_socket = _afd_get_base_socket(socket);
if (afd_socket == INVALID_SOCKET || afd_socket == socket)
return_error(-1, original_error);
return_error(-1, error);
id = _afd_get_protocol_info(afd_socket, protocol_info);
if (id < 0)
return_error(-1, original_error);
return -1;
}
*afd_socket_out = afd_socket;