On Wed, 17 Sep 2003 [EMAIL PROTECTED] wrote:
> > On Wed, 17 Sep 2003 [EMAIL PROTECTED] wrote:
> >
> > > I have applied the recent tsearch2 patch and recompiled the
> tsearch2
> > > module but I am still experiencing the same backend crashes as I
> > > previously described.
> >
> > I didn't think your problem was the same as mine.
> >
> > > #0 SN_create_env (S_size=0, I_size=2, B_size=1) at api.c:6
> > > 6 z->p = create_s();
> > > (gdb) bt
> > > #0 SN_create_env (S_size=0, I_size=2, B_size=1) at api.c:6
> > > #1 0x20000000026be870 in SN_create_env (S_size=40770504, I_size=
> > > 40509856,
> > > B_size=1034) at api.c:6
> >
> > Is that the full backtrace?
>
> The gdb session above is quoted above start to finish as displayed on
> screen. I'm not very famialiar with gdb so please say if I need to do
> things differently.
>
> So i think it is the full backtrace - i certainly haven't edited
> anything.
Trouble is it doesn't look like a decently deep stack. I would have expected to
see a lot more output from the backtrace.
Having said that the z in the z->p = create_s() line mentioned as the place of
the fault is the result of a calloc without checking for a null return from
calloc. Here's a[nother simple] patch to fix that.
It's not going to fix whatever is putting you into the situation that makes
calloc fail though. It'll just make the failure less disasterous.
--
Nigel J. Andrews
*** tsearch2/snowball/api.c Mon Jul 7 15:29:46 2003
--- /tmp/postgresql-7.3.4/contrib/tsearch2/snowball/api.c Wed Sep 17 22:21:55
2003
***************
*** 2,8 ****
#include "header.h"
extern struct SN_env * SN_create_env(int S_size, int I_size, int B_size)
! { struct SN_env * z = (struct SN_env *) calloc(1, sizeof(struct SN_env));
z->p = create_s();
if (S_size)
{ z->S = (symbol * *) calloc(S_size, sizeof(symbol *));
--- 2,10 ----
#include "header.h"
extern struct SN_env * SN_create_env(int S_size, int I_size, int B_size)
! {
! struct SN_env * z = (struct SN_env *) calloc(1, sizeof(struct SN_env));
! if (!z) return z;
z->p = create_s();
if (S_size)
{ z->S = (symbol * *) calloc(S_size, sizeof(symbol *));
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