Re: PQescapeBytea on Win32 - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: PQescapeBytea on Win32
Date
Msg-id 200303180501.h2I51cW03568@candle.pha.pa.us
Whole thread Raw
In response to PQescapeBytea on Win32  ("Key88 SF" <key88sf@hotmail.com>)
List pgsql-hackers
Yes, I am aware of that limitation.  If you link libpq as a
Multithreaded DLL, it will not link libc into each DLL, but have only
one libc that can free from anywhere. 

Is that acceptable or do we need a Win32 specific memory free function?

---------------------------------------------------------------------------

Key88 SF wrote:
> 
> Hi - there is a problem with PQescapeBytea for Win32. Since libpq is a DLL, 
> all memory allocated from within the DLL needs to be freed from within the 
> dll.
> 
> PQescapeBytea allocates memory, but there is no function call back into the 
> DLL to free this memory. This causes heap corruption when the main program 
> tries to free the memory itself. The alternative is to just leak the memory 
> and never free it. Also bad....
> 
> -Dave Brown
> key88sf@hotmail.com
> 
> 
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--  Bruce Momjian                        |  http://candle.pha.pa.us pgman@candle.pha.pa.us               |  (610)
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