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alsamixer: Store return values of poll functions in a signed integer

Browse source 
Negative return values are used for errors and storing
them in an unsigned integer will make it impossible to
detect the errors.

Fixes bug #644845.
This commit is contained in:
Blaise Gassend 2011-03-15 19:47:11 +01:00 committed by Sebastian Dröge
parent a38fd9f9ec
commit 185a8ddcaa
1 changed files with 9 additions and 9 deletions
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18
ext/alsa/gstalsamixer.c
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@ -416,7 +416,7 @@ static void
task_monitor_alsa (gpointer data)
{
struct pollfd *pfds;
unsigned int nfds, rnfds;
int nfds, rnfds;
unsigned short revents;
GstAlsaMixer *mixer = (GstAlsaMixer *) data;
gint ret;
@ -733,7 +733,7 @@ gst_alsa_mixer_set_mute (GstAlsaMixer * mixer, GstMixerTrack * track,
gst_alsa_mixer_track_update (alsa_track);
if (!!(mute) == !!(track->flags & GST_MIXER_TRACK_MUTE)) {
if (! !(mute) == ! !(track->flags & GST_MIXER_TRACK_MUTE)) {
g_static_rec_mutex_unlock (mixer->rec_mutex);
return;
}
@ -785,7 +785,7 @@ gst_alsa_mixer_set_record (GstAlsaMixer * mixer,
gst_alsa_mixer_track_update (alsa_track);
if (!!(record) == !!(track->flags & GST_MIXER_TRACK_RECORD)) {
if (! !(record) == ! !(track->flags & GST_MIXER_TRACK_RECORD)) {
g_static_rec_mutex_unlock (mixer->rec_mutex);
return;
}
@ -917,8 +917,8 @@ gst_alsa_mixer_update_track (GstAlsaMixer * mixer,
return;
}
old_mute = !!(GST_MIXER_TRACK_HAS_FLAG (track, GST_MIXER_TRACK_MUTE));
old_record = !!(GST_MIXER_TRACK_HAS_FLAG (track, GST_MIXER_TRACK_RECORD));
old_mute = ! !(GST_MIXER_TRACK_HAS_FLAG (track, GST_MIXER_TRACK_MUTE));
old_record = ! !(GST_MIXER_TRACK_HAS_FLAG (track, GST_MIXER_TRACK_RECORD));
old_volumes = g_new (gint, track->num_channels);
n_channels = track->num_channels;
memcpy (old_volumes, alsa_track->volumes,
@ -927,13 +927,13 @@ gst_alsa_mixer_update_track (GstAlsaMixer * mixer,
gst_alsa_mixer_track_update (alsa_track);
if (old_record !=
!!(GST_MIXER_TRACK_HAS_FLAG (track, GST_MIXER_TRACK_RECORD))) {
! !(GST_MIXER_TRACK_HAS_FLAG (track, GST_MIXER_TRACK_RECORD))) {
gst_mixer_record_toggled (mixer->interface, track,
!!GST_MIXER_TRACK_HAS_FLAG (track, GST_MIXER_TRACK_RECORD));
! !GST_MIXER_TRACK_HAS_FLAG (track, GST_MIXER_TRACK_RECORD));
}
if (old_mute != !!(GST_MIXER_TRACK_HAS_FLAG (track, GST_MIXER_TRACK_MUTE))) {
if (old_mute != ! !(GST_MIXER_TRACK_HAS_FLAG (track, GST_MIXER_TRACK_MUTE))) {
gst_mixer_mute_toggled (mixer->interface, track,
!!GST_MIXER_TRACK_HAS_FLAG (track, GST_MIXER_TRACK_MUTE));
! !GST_MIXER_TRACK_HAS_FLAG (track, GST_MIXER_TRACK_MUTE));
}
n_channels = MIN (n_channels, track->num_channels);