Re: Bug/Memory Leak in <strstream>

[James Myers <jmyers at adacgeo dot com>]

Hi Ken,

I thought this might be of interest to you given your work with
streams...

--
James M.

Martin v. Loewis writes:
 > > While purifying one of my programs I found a leak in <strstream>.
 > 
 > Thanks for your bug report. This is not a bug in gcc, but in your
 > code. A strstream object freezes its contents when you perform
 > .str(). So you either need to release the result of .str() yourself,
 > or you need to unfreeze the stream:
 > 
 > #include <strstream>
 > 
 > int main()
 > {
 >   int i;
 >   std::ostrstream OS;
 >   OS << "123" << '\0';
 >   std::istrstream IS(OS.str());
 >   IS >> i;
 >   std::cout << i << std::endl;
 >   OS.freeze(0);
 >   return 0;
 > }
 > 
 > Hope this helps,
 > Martin