Re: Memory leak in bison 1.35

[Ignasi Villagrasa]

The flex version I'm using is 2.5.4, from cygwin package also.

Ignasi Villagrasa.

Akim Demaille wrote:

> > > > > > "Tim" == Tim Van Holder <address@hidden> writes:
>
> Tim> On Tue, 2002-08-27 at 12:34, Ignasi Villagrasa wrote:
>
> > > Hi everyone,
> > >
> > > I'm using bison version 1.35 that comes with cygwin package for
> > > Windows enviroments.
> > >
> > > I detect a memory leak in generated C code. Function yyparse loses
> > > periodically 4K chunks memory.
> > >
> > > Because of the unclear generated code, I'd like to know if there's
> > > a known solution for this problem before getting into the source
> > > code.
>
> Tim> Are you also using flex?  At startup, flex allocates a buffer
> Tim> that is never freed; it's not really a memory leak (flex merely
> Tim> has no point at which it can free the buffer normally, so it
> Tim> relies on the normal 'at end' cleanup), but will be reported as
> Tim> such by many memory checkers.  It allocates chunks of 16k tho,
> Tim> not 4k.
>
> Hm, are you sure it is really yyparse per se which is guilty, and not
> the user actions themselves?