[alsa-devel] [PATCH] aplay: Fix error message when writing captured data

[Daniel Baluta]

On Vi, 2017-04-07 at 21:56 +0900, Takashi Sakamoto wrote:
> Hi,
> 
> On Apr 7 2017 21:14, Daniel Baluta wrote:
> > 
> > Write can return less then requested bytes, but we treat
> > this as an error.
> > 
> > Anyhow, errno is not updated in this case and we can end
> > up with a confusing error message.
> > 
> > For example, when there is no room to write data into the
> > output file we receive:
> > 
> > $ arecord -d 2000 -c 2 -r 192000 -f S16_LE -Dplughw:0,0 audio.wav
> > Recording WAVE '/mnt/msc/audio.wav' : Signed 16 bit Little Endian,
> > Rate
> > 192000 Hz, Stereo
> > audio.wav: No such file or directory
> > 
> > Signed-off-by: Daniel Baluta <daniel.baluta at nxp.com>
> > ---
> >  aplay/aplay.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/aplay/aplay.c b/aplay/aplay.c
> > index ee480f2..9547d1b 100644
> > --- a/aplay/aplay.c
> > +++ b/aplay/aplay.c
> > @@ -3079,7 +3079,7 @@ static void capture(char *orig_name)
> >  				break;
> >  			}
> >  			if (write(fd, audiobuf, c) != c) {
> > -				perror(name);
> > +				fprintf(stderr, "Couldn't write
> > all data to %s\n", name);
> >  				in_aborting = 1;
> >  				break;
> >  			}
> I agree with this change.
> 
> A small nitpicking. This utility supports i18n with gettext. Let us
> use 
> gettext alias to the message?
> 
> $ cd alsa-utils/aplay
> $ git grep fprintf\( | wc
>       57     387    3939
> $ git grep fprintf\( | grep _\( | wc
>       37     260    2570
> 
> 

Sure, will send v2. I didn't know about the gettext alias. :)

Daniel.