Updates:
Status: WorkingAsIntended
Owner: jas...@google.com
Comment #1 on issue 285 by jas...@google.com: Generated C++ operator= to
CopyFrom() to MergeFrom() mishandles bytes fields as strings
http://code.google.com/p/protobuf/issues/detail?id=285
Are you sure that when you execute step 2, the field actually gets that
string value assigned? Note that the setter accepts a const char*, so if
your code does:
foo.set_fieldname("\0\0\0\0abc")
You end up setting the source to a zero-length string. You would instead
need to do:
string value("\0\0\0\0abc", 7);
foo.set_fieldname(value);
When I set the field this way, the full field was properly copied. For
MergeFrom, the code generator emits:
set_fieldname(from.fieldname());
Looking through the revision history it does not appear to have ever used
c_str()
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