cycle_time: constify self parameter when retrieving parameter

In the most methods of Hinawa.CycleTime, the instance is immutable.

This commit adds const qualifier to express it.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>

2 files changed, 11 insertions, 10 deletions

diff --git a/src/cycle_time.c b/src/cycle_time.c
index 637721e..3a12697 100644
--- a/src/cycle_time.c
+++ b/src/cycle_time.c
@@ -48,7 +48,7 @@ HinawaCycleTime *hinawa_cycle_time_new()
  *
  * Since: 2.6.
  */
-void hinawa_cycle_time_get_system_time(HinawaCycleTime *self, gint64 *tv_sec, gint32 *tv_nsec)
+void hinawa_cycle_time_get_system_time(const HinawaCycleTime *self, gint64 *tv_sec, gint32 *tv_nsec)
 {
 	*tv_sec = self->tv_sec;
 	*tv_nsec = self->tv_nsec;
@@ -65,7 +65,7 @@ void hinawa_cycle_time_get_system_time(HinawaCycleTime *self, gint64 *tv_sec, gi
  *
  * Since: 2.6.
  */
-void hinawa_cycle_time_get_clock_id(HinawaCycleTime *self, gint *clock_id)
+void hinawa_cycle_time_get_clock_id(const HinawaCycleTime *self, gint *clock_id)
 {
 	*clock_id = self->clk_id;
 }
@@ -103,7 +103,7 @@ static guint ieee1394_cycle_time_to_offset(guint32 cycle_time)
  *
  * Since: 2.6.
  */
-void hinawa_cycle_time_get_fields(HinawaCycleTime *self, guint16 cycle_time[3])
+void hinawa_cycle_time_get_fields(const HinawaCycleTime *self, guint16 cycle_time[3])
 {
 	cycle_time[0] = ieee1394_cycle_time_to_sec(self->cycle_timer);
 	cycle_time[1] = ieee1394_cycle_time_to_cycle(self->cycle_timer);
@@ -119,7 +119,7 @@ void hinawa_cycle_time_get_fields(HinawaCycleTime *self, guint16 cycle_time[3])
  *
  * Since: 2.6.
  */
-void hinawa_cycle_time_get_raw(HinawaCycleTime *self, guint32 *raw)
+void hinawa_cycle_time_get_raw(const HinawaCycleTime *self, guint32 *raw)
 {
 	*raw = self->cycle_timer;
 }
@@ -149,7 +149,7 @@ void hinawa_cycle_time_get_raw(HinawaCycleTime *self, guint32 *raw)
  *
  * Since: 2.6
  */
-void hinawa_cycle_time_compute_tstamp(HinawaCycleTime *self, guint tstamp, guint **isoc_cycle)
+void hinawa_cycle_time_compute_tstamp(const HinawaCycleTime *self, guint tstamp, guint **isoc_cycle)
 {
 	guint tstamp_sec_low = (tstamp & OHCI1394_TSTAMP_SEC_MASK) >> OHCI1394_TSTAMP_SEC_SHIFT;
 	guint curr_sec_low = ieee1394_cycle_time_to_sec(self->cycle_timer) & 0x7;
diff --git a/src/cycle_time.h b/src/cycle_time.h
index 785405b..e01ca3d 100644
--- a/src/cycle_time.h
+++ b/src/cycle_time.h
@@ -14,15 +14,16 @@ GType hinawa_cycle_time_get_type() G_GNUC_CONST;
 
 HinawaCycleTime *hinawa_cycle_time_new();
 
-void hinawa_cycle_time_get_system_time(HinawaCycleTime *self, gint64 *tv_sec, gint32 *tv_nsec);
+void hinawa_cycle_time_get_system_time(const HinawaCycleTime *self, gint64 *tv_sec,
+				       gint32 *tv_nsec);
 
-void hinawa_cycle_time_get_clock_id(HinawaCycleTime *self, gint *clock_id);
+void hinawa_cycle_time_get_clock_id(const HinawaCycleTime *self, gint *clock_id);
 
-void hinawa_cycle_time_get_fields(HinawaCycleTime *self, guint16 cycle_time[3]);
+void hinawa_cycle_time_get_fields(const HinawaCycleTime *self, guint16 cycle_time[3]);
 
-void hinawa_cycle_time_get_raw(HinawaCycleTime *self, guint32 *raw);
+void hinawa_cycle_time_get_raw(const HinawaCycleTime *self, guint32 *raw);
 
-void hinawa_cycle_time_compute_tstamp(HinawaCycleTime *self, guint tstamp, guint **isoc_cycle);
+void hinawa_cycle_time_compute_tstamp(const HinawaCycleTime *self, guint tstamp, guint **isoc_cycle);
 
 void hinawa_cycle_time_parse_tstamp(guint tstamp, guint **isoc_cycle);