Hi All,
In Win64 environment socket descriptor is represented as a SOCKET data
type which in turn is an alias of UINT_PTR data type.
In functions like BIO_new_socket, SSL_set_fd, etc. socket is passed as
an argument of int data type.
In Win64 size of pointers is 64-bit but size of int's is 32-bit what
implies data truncation when socket is passed to these functions and
compiler warns about it:
warning C4244: 'argument' : conversion from 'SOCKET' to 'int', possible
loss of data
What implication can have these truncation? Is it possible that socket
descriptor value will be misinterpreted by backend OpenSSL functions?
Maybe most significant DWORD part of SOCKET value is never used by Windows?
Regards,
Artur Wieczorek
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