Dne 18. 03. 21 v 17:56 Takashi Sakamoto napsal(a): > On Fri, Mar 19, 2021 at 01:37:15AM +0900, Takashi Sakamoto wrote: >> As I described, your old implementation is not acceptable just by renaming. >> Although the idea of inline definitions is itself preferable. I suspect whether >> inline definition for your comparison algorithm is really less overhead than >> function call. >> >> Anyway I'll post revised version of patchset later. > > Oops. These APIs have arguments with opaque pointers. In the case, > inline definition is not available since the layout of structure underlying > the pointer is not available for userspace applications. Thus the rest of > issue is whether to use 'tuple' or 'fields' in the name of new API. > > In my opinion, 'fields' is generic expression and could give impression to > application developers that it includes numid field as well. On the other > hand, 'tuple' is weak expression somehow and the developers easily find > its meaning in alsa-lib documentation (see line 80). When considering about > helpfulness to developers, 'tuple' seems to be better than 'fields'. With this logic, we can just create snd_ctl_id_compare1, snd_ctl_id_compare2 functions to force developers to go to the docs. Perhaps, snd_ctl_id_compare_full() may be better. Tuple is a generic set of fields, so there's no change. Again, I don't expect to add other comparison functions soon. Jaroslav -- Jaroslav Kysela <perex@xxxxxxxx> Linux Sound Maintainer; ALSA Project; Red Hat, Inc.