[PyKDE] sip crash on configure.py standard MacPython 2.3.5

[Patrick Stinson]

wow, I'd find more bugs if I new we could hold you to the payback!

On 11/18/06, Phil Thompson <phil at riverbankcomputing.co.uk> wrote:
> On Saturday 18 November 2006 10:17 am, Ulrich Berning wrote:
> > Phil Thompson schrieb:
> > >On Friday 17 November 2006 9:09 pm, Patrick Stinson wrote:
> > >>I thought I posted this once before, but I couldn't find it from
> > >>searching, so...
> > >>
> > >>The latest sip snapshot crashed for me during configure.py from the
> > >>latest PyQt4 snapshot on Tiger using the default python
> > >>implementation. The C++ code was generated properly.
> > >>
> > >>Exception:  EXC_BAD_ACCESS (0x0001)
> > >>Codes:      KERN_INVALID_ADDRESS (0x0001) at 0x53617465
> > >>
> > >>Thread 0 Crashed:
> > >>0   libSystem.B.dylib       0x9000c5f8 __vfprintf + 6311
> > >>1   libSystem.B.dylib       0x900e4530 vfprintf_l + 94
> > >>2   libSystem.B.dylib       0x900107b9 fprintf + 73
> > >>3   sip                     0x000178bd apiArgument + 619
> > >>4   sip                     0x000179b4 apiCtor + 135
> > >>5   sip                     0x00017d75 generateAPI + 269
> > >>6   sip                     0x000035e9 main + 2090
> > >>7   sip                     0x000025de _start + 216
> > >>8   sip                     0x00002505 start + 41
> > >
> > >You did post it before - but I couldn't (and still can't) reproduce the
> > >problem.
> > >
> > >Can you do a bit of debugging? At first I would need to know which ctor
> > > and which of the ctor's arguments was causing the problem.
> > >
> > >Phil
> >
> > For me, it crashes only on HP-UX and on Solaris. It crashes when
> > generating the API files.
> >
> > I have searched for it and just found the bug. In sipgen/transform.c in
> > addDefaultCopyCtor() starting at line 1043 a structure for a default
> > public copy ctor is allocated and initialized, but
> > copyct->pysig.args[0].name gets never initialized. This causes the crash
> > later in sipgen/export.c in apiArgument() at line 298 (The line numbers
> > are based on snapshot-20061117).
>
> I should have found that myself - yet another beer I owe you.
>
> Will be fixed in tonight's snapshot.
>
> Phil
>
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-- 
Patrick Kidd Stinson
http://www.patrickkidd.com/
http://pkaudio.sourceforge.net/
http://pksampler.sourceforge.net/