[Qt-creator] What's the crash?

[Nikos Chantziaras]

Seems to be working fine here:

   https://i.imgur.com/OfFSAk5.png


On 16/07/18 17:05, Jason H wrote:
> 
>> There's nothing more the debugger or C++ can do for you here.
> 
> But it does at the command line:
> Process 79112 launched: '/Users/jhihn/Projects/test_crash/a.out' (x86_64)
> Process 79112 stopped
> * thread #1, queue = 'com.apple.main-thread', stop reason = EXC_ARITHMETIC (code=EXC_I386_DIV, subcode=0x0)
>      frame #0: 0x0000000100000fad a.out`main at main.c:7
>     4   	{
>     5   	    int a = 2;
>     6   	    int b = 0;
> -> 7   	    return a/b;
> 
> 
> I'm pretty sure I remember some dialog appearing saying something about SIGSEGV (or in this case EXC_ARITHMETIC)?
> 
> MS gives this: https://user-images.githubusercontent.com/10531631/36583169-c65d48ea-1874-11e8-90db-1a651cfd09f5.png
> I thought earlier versions of QtC had something simular.
> 
> The difference is:
> 
> int *a, *b; *b=0;
> return *a / *b;
> 
> Here, the problem could be that 'a' is out of process space, or 'b' is 0. If 'a' is a pointer, I don't necessarily know what my address range is. I have to deduce (and risk being wrong) what the actual crash was, meaning I could waste time going down the wrong path.
>