thanks! I tried that and it works now!
On Oct 11, 4:03 pm, Daniel Wright <dwri...@google.com> wrote:
> I think it's being buffered in the FileOutputStream -- you should be sure to
> delete the output streams (in the reverse order that you created them)
> before you close the file.
>
> On Mon, Oct 11, 2010 at 1:07 PM, Paul Yang <mjpabl...@gmail.com> wrote:
> > Hi,
> > I am new to protocol buffers, and I am trying to serialize a message
> > to a file. I need to serialize the file so that in can be opened in
> > Java using parseDelimitedFrom(). However, when I write to the file
> > using SerializeToCodedStream or SerializeWithCachedSizes, nothing
> > happens to the serializedMessage.bin file, and it stays at 0 bytes.
> > Why is nothing being written to the file? I have attached the code
> > below:
>
> > int fd = open("serializedMessage.bin", O_WRONLY);
>
> > google::protobuf::io::ZeroCopyOutputStream* fileOutput = new
> > google::protobuf::io::FileOutputStream(fd);
>
> > google::protobuf::io::CodedOutputStream* codedOutput = new
> > google::protobuf::io::CodedOutputStream(fileOutput);
>
> > codedOutput->WriteVarint32(message1.ByteSize());
> > message1.SerializeToCodedStream(codedOutput);
> > // also tried snap1.SerializeWithCachedSizes(codedOutput)
>
> > close(fd);
>
> > Thanks!
>
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