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| author | Michal Ratajsky <[email protected]> | 2016-01-04 20:31:14 +0100 |
|---|---|---|
| committer | Michal Ratajsky <[email protected]> | 2016-01-04 20:31:14 +0100 |
| commit | 9772797c31ebed2417b42a9389caae1b16847e86 (patch) | |
| tree | 0257271d6f8387ce89984bf8341b11186381c8d5 /backends/alsa/alsa-stream-output-control.c | |
| parent | d32ca3f420d036cd750fc1aad7f95da40559cc5d (diff) | |
| download | libmatemixer-9772797c31ebed2417b42a9389caae1b16847e86.tar.bz2 libmatemixer-9772797c31ebed2417b42a9389caae1b16847e86.tar.xz | |
Improve error checking in many places
Diffstat (limited to 'backends/alsa/alsa-stream-output-control.c')
| -rw-r--r-- | backends/alsa/alsa-stream-output-control.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/backends/alsa/alsa-stream-output-control.c b/backends/alsa/alsa-stream-output-control.c index 5b6a1eb..9d7813d 100644 --- a/backends/alsa/alsa-stream-output-control.c +++ b/backends/alsa/alsa-stream-output-control.c @@ -25,6 +25,7 @@ #include "alsa-compat.h" #include "alsa-constants.h" #include "alsa-element.h" +#include "alsa-stream.h" #include "alsa-stream-control.h" #include "alsa-stream-output-control.h" @@ -82,6 +83,10 @@ alsa_stream_output_control_new (const gchar *name, MateMixerStreamControlRole role, AlsaStream *stream) { + g_return_val_if_fail (name != NULL, NULL); + g_return_val_if_fail (label != NULL, NULL); + g_return_val_if_fail (ALSA_IS_STREAM (stream), NULL); + return g_object_new (ALSA_TYPE_STREAM_OUTPUT_CONTROL, "name", name, "label", label, @@ -133,7 +138,7 @@ alsa_stream_output_control_set_mute (AlsaStreamControl *control, gboolean mute) snd_mixer_elem_t *el; gint ret; - g_return_val_if_fail (ALSA_IS_STREAM_CONTROL (control), FALSE); + g_return_val_if_fail (ALSA_IS_STREAM_OUTPUT_CONTROL (control), FALSE); el = alsa_element_get_snd_element (ALSA_ELEMENT (control)); if G_UNLIKELY (el == NULL) @@ -154,7 +159,7 @@ alsa_stream_output_control_set_volume (AlsaStreamControl *control, guint volume) snd_mixer_elem_t *el; gint ret; - g_return_val_if_fail (ALSA_IS_STREAM_CONTROL (control), FALSE); + g_return_val_if_fail (ALSA_IS_STREAM_OUTPUT_CONTROL (control), FALSE); el = alsa_element_get_snd_element (ALSA_ELEMENT (control)); if G_UNLIKELY (el == NULL) @@ -177,7 +182,7 @@ alsa_stream_output_control_set_channel_volume (AlsaStreamControl *cont snd_mixer_elem_t *el; gint ret; - g_return_val_if_fail (ALSA_IS_STREAM_CONTROL (control), FALSE); + g_return_val_if_fail (ALSA_IS_STREAM_OUTPUT_CONTROL (control), FALSE); el = alsa_element_get_snd_element (ALSA_ELEMENT (control)); if G_UNLIKELY (el == NULL) @@ -202,7 +207,7 @@ alsa_stream_output_control_get_volume_from_decibel (AlsaStreamControl *control, glong value; gint ret; - g_return_val_if_fail (ALSA_IS_STREAM_CONTROL (control), FALSE); + g_return_val_if_fail (ALSA_IS_STREAM_OUTPUT_CONTROL (control), FALSE); el = alsa_element_get_snd_element (ALSA_ELEMENT (control)); if G_UNLIKELY (el == NULL) @@ -231,7 +236,7 @@ alsa_stream_output_control_get_decibel_from_volume (AlsaStreamControl *control, glong value; gint ret; - g_return_val_if_fail (ALSA_IS_STREAM_CONTROL (control), FALSE); + g_return_val_if_fail (ALSA_IS_STREAM_OUTPUT_CONTROL (control), FALSE); el = alsa_element_get_snd_element (ALSA_ELEMENT (control)); if G_UNLIKELY (el == NULL) |