Re: [boost] [iostreams]howto replace ostream buffer?

Subject: Re: [boost] [iostreams]howto replace ostream buffer?
From: Larry Evans (cppljevans_at_[hidden])
Date: 2009-01-11 02:32:20

On 01/10/09 16:38, Larry Evans wrote:
> On 01/10/09 12:53, Steven Watanabe wrote:
>> AMDG
>>
>> Larry Evans wrote:
>>> How can one use iostreams::filtering_streambuf to replace the
>>> std::basic_streambuf used by cout.  I've tried the code in 1st
>>> attachment; however, that code produces the output in 2nd attachment.
>>> The desired output is shown in 3ird attachment.
>>>
>>> How should the code be modified to get the desired output?
>>
>> Try flushing the stream before switching back to the original buffer.
>>
> Thanks.  That works.
Another method is to use this:

    this->push(my_filter,0,0);

instead of:

     this->push(my_filter);

I'm guessing that creates a non-buffered streambuf or something
similar corresponding to my_filter, which makes the flush
unnecessary.