I want to use a c++ library that among many other things have a function
that generates a proto object.
MyProtoMessage GetMyProto() {
MyProtoMessage p;
...
return p;
}
Currently this method and its callers are all in C++.
I want to call that same method from Go and want to get back the generated
MyProtoMessage
in Go so I can process it in Go. What is the most efficient way of doing
this?
Do I need to:
1- Create a new function f1 in C++ that will:
- manually allocate a byte[] in the C++ code,
- call GetMyProto()
- serialize MyProtoMessage into the byte[].
- return the a pointer and size to when called from Go
2- In Go copy that C byte[] into a Go []byte
3- Call C.free(pointer) to free the memory?
Any more efficient way of doing this?
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