This is the mail archive of the gdb@sourceware.org mailing list for the GDB project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: printfs output in wrong order in MI


Vladimir Prus wrote:

> 
> Hi,
> I'm seing strange behaviour of the "printf" command if used in MI:
> 
>     (gdb)
>     print &i
>     &"print &i\n"
>     ~"$1 = (int *) 0xbfc5f484\n"
>     ^done
>     (gdb)
>     printf "%x", &i
>     &"printf \"%x\", &i\n"
>     ^done
>     (gdb)
>     ~"bfc5f484"
>     -interpreter-exec console "printf \"%x\", &i"
>     ^done
>     (gdb)
>     ~"bfc5f484"
> 
> The output of 'print' appears before "^done", but the output of "printf"
> appears *after* both "^done", and the prompt, which makes it impossible to
> reliably catch the output.
....
> Any ideas why "printf" is so special?

I turns out that using 

  printf "%x\n", &i

(that is, adding "\n"), fixes the problem. Still looks like a bug to me,
though.

- Volodya


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]