[alsa-devel] alsa-lib TLVs and valgrind

[Clemens Ladisch]

Sebastian H. wrote:
> I'm about to release a new version of alsamixer-qt4
> (now named qasmixer) and ran the program through valgrind.
> 
> valgrind --track-origins=yes src/qasmixer &> valgrind.log
> 
> The log file contains tons of warnings like this
> 
> ==3432== Conditional jump or move depends on uninitialised value(s)
> ...
> ... (qasmixer function calls)
> ...
> ==3432==  Uninitialised value was created by a heap allocation
> ... malloc (vg_replace_malloc.c:236)
> ... init_db_range (simple_none.c:1111)
> ... get_dB_range (simple_none.c:1156)
> ... get_dB_range_ops (simple_none.c:1173)
> ... snd_mixer_selem_get_playback_dB_range (simple.c:298)

Valgrind doesn't know about some of the ALSA ioctls.
Somebody would have to add them to valgrind.


Regards,
Clemens