[fpc-devel] Mem-leak, where?

[Sergei Gorelkin]

Joost van der Sluis wrote:
> ----
> program testbug9751;
> 
> {$mode objfpc}{$H+}
> 
> uses
>   Classes, SysUtils, mysql41dyn;
> 
> var hmysql : PMYSQL;
> 
> begin
> //  InitialiseMysql; <-- remove the comment and the leakage is gone
>   repeat
>   InitialiseMysql;
>   hmysql := nil;
>   hmysql := mysql_init(hmysql);
> // Comment the next line and the leakage is gone
>   HMySQL:=mysql_real_connect(HMySQL,PChar(''),PChar(''),Pchar(''),Nil,0,Nil,0);
>   mysql_close(hmysql);
>   ReleaseMysql;
>   until 1<0;
> end.
> ----

Looks like mysql_real_connect() overwrites hmysql variable? The value 
returned by mysql_init() is not passed to mysql_close(), and the library 
may not unload in this case.
If you comment mysql_real_connect(), handle returned by mysql_init() IS 
passed to mysql_close().

Sergei