Re: [Boost-users] Proper way to change a cached shared pointer

From: Peter Dimov (pdimov_at_[hidden])
Date: 2007-04-03 21:33:01

Stephen Torri wrote:

> I have a class which is containing a shared_ptr to data. This class
> parses in a XML file and populates the data based upon the contents.
> There is a memory problem in this file where I reset the shared_ptr.

Valgrind appears to claim that the contents of 0x4389BC0 are not 
initialized. It then remarks that

> Address 0x4389BC0 is 8 bytes inside a block of size 60 alloc'd

> by 0x41968E1: 
> libreverse::infrastructure::Formula_Parser::get_Graph(std::string,
> std::string) (Formula_Parser.cpp:110)

Line 110 seems correct, but the part of the Graph object at offset 8 is 
never initialized for some reason, if I read Valgrind's output correctly.