Re: Possible bug in documentation.cc (de-referencing nullpointer)

[Torsten]

On 02.01.19 22:22, Andreas Weber wrote:
> Dear Torsten,
> 
> I write directly to you because you've added the code with cset
> ba5af45bbfc4 and I hope you can help quickly. If you are busy I'll
> create a bugreport for this.
> 
> In documentation.cc:78 m_help_engine is create with new and can't be
> NULL after this (except on VC6) so the check in line 110 isn't needed
> but after this it's set to 0 (line 112) and de-referenced afterwards
> (for example line 177, 181, 186 and so on)
> which results in a SIGSEGV (signal 11)
> 
> Thank you, Andy

Hi Andy,

Thanks for taking care of this.

Setting m_help_engine to 0 is directly followed by a "return" in 113.
Thus, lines 177, 181, ... should not be executed and should not cause
segfault.

Best,
Torsten