Mapserver Memory Leak #2

[Stephen Woodbridge]

http://trac.osgeo.org/mapserver/ticket/2118

Steve Lime wrote:
> Using msyylex_destroy would be preferable over the homegrown cleanup function
> in maplexer.l. I can do this, will you file a ticket?
> 
> Steve
> 
>>>> Stephen Woodbridge <woodbri at SWOODBRIDGE.COM> 06/07/07 7:48 PM >>>
> Hi,
> 
> It looks like the maplexer.c might be leaking memory.
> 
> maplexer.c:4318 (current svn) allocates yy_buffer_stack and this is 
> getting leaked.
> 
> It should probably get freed in lexer_cleanup() with something like:
> 
> if( (yy_buffer_stack) != NULL )
> {
>      msyyfree( (yy_buffer_stack) );
>      (yy_buffer_stack) = NULL;
> }
> 
> or by calling
> 
> msyylex_destroy();
> 
> or by something similar. I am not familiar with this code so someone 
> that knows it should probably look into this and verify that my 
> assumptions are correct.
> 
> Thanks,
>    -Steve W