[alsa-devel] [PATCH alsa-lib 1/2] pcm_share: Fix compiler warnings -Wunused-result

[Kirill Marinushkin]

Hello Takashi,

On 11/15/18 12:08, Takashi Iwai wrote:
> On Thu, 15 Nov 2018 08:19:56 +0100,
> Kirill Marinushkin wrote:
>>
>> Before this commit, compilation of `pcm_share` causes warnings "ignoring
>> return value" for several `read` and `write` operations:
>>
>> ~~~~
>> pcm_share.c: In function '_snd_pcm_share_missing':
>> pcm_share.c:293:5: warning: ignoring return value of 'read', declared with
>> attribute warn_unused_result [-Wunused-result]
>>      read(share->slave_socket, buf, 1);
>>      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> <...>
>> ~~~~
>>

> Which compiler version?  I'm using gcc 8.2.1, and couldn't get any
> warnings like the above.
> 
> 
> thanks,
> 
> Takashi
> 

My gcc version is 6.4.0

Best Regards,
Kirill