D29684: Improve opengl debug messages

[Vlad Zahorodnii]

zzag added inline comments.

INLINE COMMENTS

> scene_opengl.cpp:420
>          case GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR:
> -            qCWarning(KWIN_OPENGL, "%#x: %.*s", id, length, message);
> +            qCWarning(KWIN_OPENGL, "%#x: %.*s", id, length-1, message);
>              break;

Noob question: what is going to happen if `length` is 0?

REPOSITORY
  R108 KWin

REVISION DETAIL
  https://phabricator.kde.org/D29684

To: apol, #kwin
Cc: zzag, kwin, Orage, cacarry, LeGast00n, The-Feren-OS-Dev, cblack, jraleigh, zachus, fbampaloukas, mkulinski, ragreen, jackyalcine, iodelay, crozbo, bwowk, ZrenBot, ngraham, alexeymin, himcesjf, lesliezhai, ali-mohamed, hardening, romangg, jensreuterberg, abetts, sebas, apol, ahiemstra, mart
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