We have a 32-bit C++ GUI application running on 32 bit windows 7. We are planning to migrate our server with C++ apps to 64-bit linux. We have noticed that long types are larger in 64 bit. This will be incompatible with the client-server message passing from 64-bit to 32-bit. What is a good way to solve this incompatibility? Do we need to change the code? How? or Do we use a third party software to do the conversion? What software is it?
How can a 32 bit client communicate with a 64 bit server if long type is passed?
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That's why there is the standardized
int32_tanduint32_ttypes etc., so you could specifically select type depending on your needs.It might be quite a lot of work to replace all
longtypes toint32_tin all structures you send, especially if it's a big project, but you (hopefully) only have to do it once. Another way of solving this problem is to serialize the data into a text-format and then deserialize it on the receiving side, this has the big advantage that it will make the communication almost completely platform independent.