Hi,
In my code, I have a PB message which encompass other PB messages.
For instance,
Protocol Buffer File
===============
message A {
required int32 a = 1;
}
message B {
required int32 b = 1;
}
message C {
required A a = 1;
required B b = 2;
}
C++ File
========
#include "PB File.pb.h"
using namespace <whatever>
int main ()
{
C c;
...
char buff[MAX_SIZE]
int len = c.SerializeToArray(buff, MAX_SIZE);
write(fd, buff, len);
...
}
As part of the logic, I need to write into separate files the
serialized equivalent of c.a and c.b. Of course you can always call
c.a().SerializeToArray() but that requires additional CPU time which I
would like to avoid. Is there a non-hackish way of getting the offset
of c.a in the serialized buffer? Can I use the offset and
c.a().ByteSize() to write the message into the file descriptor?
Thanks,
Nader
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