Hi Kenton, thank you for letting me know. I've just got and built this 
version of protoc/libprotobuf and run my unit test - there are still a 
few leaks according to VS2008. So, there is a difference between v2.1.0 
and the destructor-based patch that I had cleaned up for v2.0.3.

The output is below. Do you happen to recognize the 24 byte structure 
that starts with a pointer and then contains 0xffffffff? :)

Kind regards,
Oleg.

Detected memory leaks!
Dumping objects ->
{1438} normal block at 0x00D72620, 24 bytes long.
  Data: <h ( > 68 A6 28 00 FF FF FF FF 00 00 00 00 00 00 00 00
{1437} normal block at 0x00D725C8, 24 bytes long.
  Data: <0 ( > 30 A6 28 00 FF FF FF FF 00 00 00 00 00 00 00 00
{946} normal block at 0x00246AB0, 24 bytes long.
  Data: <  ( > A0 A1 28 00 FF FF FF FF 00 00 00 00 00 00 00 00
{945} normal block at 0x00249CD0, 24 bytes long.
  Data: <h ( > 68 A1 28 00 FF FF FF FF 00 00 00 00 00 00 00 00
{934} normal block at 0x00249840, 24 bytes long.
  Data: <0 ( > 30 A1 28 00 FF FF FF FF 00 00 00 00 00 00 00 00
{812} normal block at 0x002469B0, 24 bytes long.
  Data: <x ( > 78 9D 28 00 FF FF FF FF 00 00 00 00 00 00 00 00
{685} normal block at 0x00D71FB0, 24 bytes long.
  Data: <  ( > D0 9C 28 00 FF FF FF FF 00 00 00 00 00 00 00 00
{667} normal block at 0x00D71608, 24 bytes long.
  Data: <` ( > 60 9C 28 00 FF FF FF FF 00 00 00 00 00 00 00 00
{666} normal block at 0x00D715B0, 24 bytes long.
  Data: <( ( > 28 9C 28 00 FF FF FF FF 00 00 00 00 00 00 00 00
{663} normal block at 0x00D713D8, 24 bytes long.
  Data: <Pu( > 50 75 28 00 FF FF FF FF 00 00 00 00 00 00 00 00
{148} normal block at 0x00245820, 24 bytes long.
  Data: <pt( > 70 74 28 00 FF FF FF FF 00 00 00 00 00 00 00 00
{147} normal block at 0x002457C8, 24 bytes long.
  Data: <8t( > 38 74 28 00 FF FF FF FF 00 00 00 00 00 00 00 00
{136} normal block at 0x00245290, 24 bytes long.
  Data: < t( > 00 74 28 00 FF FF FF FF 00 00 00 00 00 00 00 00
{135} normal block at 0x00245238, 24 bytes long.
  Data: < s( > C8 73 28 00 FF FF FF FF 00 00 00 00 00 00 00 00
Object dump complete.

On 2009/5/14 13:08, Kenton Varda wrote:
> FYI:  This is fixed in the 2.1.0 release (you can call 
> google::protobuf::ShutdownProtobufLibrary() to clean up all "leaks").
>
> On Fri, Mar 27, 2009 at 7:07 PM, Kenton Varda <ken...@google.com 
> <mailto:ken...@google.com>> wrote:
>
>     On Fri, Mar 27, 2009 at 4:30 PM, Oleg Smolsky <o...@smolsky.net
>     <mailto:o...@smolsky.net>> wrote:
>
>         So, the next question is - would it ever make its way into
>         your SVN? If so, do you see a need for a switch of some kind?
>
>
>     Yeah, reviewing and committing this is on my todo list for the
>     next release.
>
>


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