Hi Bram!

On Fr, 23 Nov 2012, Bram Moolenaar wrote:

> 
> Christian Brabandt wrote:
> 
> > Hi Dominique!
> > 
> > On Do, 22 Nov 2012, Dominique Pellé wrote:
> > 
> > > I can't tell whether that's the right fix, but I confirm that
> > > your proposed change avoids the crash at least.
> > > 
> > > wp->w_llist was set to NULL at line quickfix.c:914 which
> > > was introduced by chane 3918 according to hg annotate:
> > > 
> > >  911 vimboss  644:     if (qi->qf_listcount == LISTCOUNT)
> > >  912 vimboss    7:     {
> > >  913    bram 3918:   if (wp != NULL && wp->w_llist == qi)
> > >  914    bram 3918:       wp->w_llist = NULL;
> > >  915 vimboss  644:   qf_free(qi, 0);
> > > 
> > > ===
> > > changeset:   3918:4f0ddf4137ee
> > > tag:         v7-3-715
> > > user:        Bram Moolenaar <[email protected]>
> > > date:        Wed Nov 14 22:38:08 2012 +0100
> > > files:       src/quickfix.c src/testdir/test49.ok
> > > src/testdir/test49.vim src/version.c
> > > description:
> > > updated for version 7.3.715
> > > Problem:    Crash when calling setloclist() in BufUnload autocmd. (Marcin
> > >       Szamotulski)
> > > Solution:   Set w_llist to NULL when it was freed.  Also add a test.
> > >       (Christian Brabandt)
> > > ===
> > > 
> > > I find it odd that a function called qf_new_list() clears
> > > wp->w_llist (set it to NULL) and does not set it back
> > > to something else. The name of the function "qf_new_list()"
> > > suggests that it should create another list, so perhaps
> > > it should set wp->w_llist to something else. But I don't
> > > understand the code here.
> > 
> > Indeed. I think GET_LOC_LIST should be defined as 
> > ll_get_or_alloc_list(wp)
> 
> ll_get_or_alloc_list() can still return NULL, thus your check is needed
> anyway.

It is still not right so. I'll look into it later.

regards,
Christian
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