added const modifier to some function arguments

diff --git a/include/seq_midi_event.h b/include/seq_midi_event.h
index 34f6910..dad9dc7 100644 (file)
--- a/include/seq_midi_event.h
+++ b/include/seq_midi_event.h
@@ -50,10 +50,10 @@ void snd_midi_event_reset_encode(snd_midi_event_t *dev);
 void snd_midi_event_reset_decode(snd_midi_event_t *dev);
 void snd_midi_event_no_status(snd_midi_event_t *dev, int on);
 /* encode from byte stream - return number of written bytes if success */
-long snd_midi_event_encode(snd_midi_event_t *dev, unsigned char *buf, long count, snd_seq_event_t *ev);
+long snd_midi_event_encode(snd_midi_event_t *dev, const unsigned char *buf, long count, snd_seq_event_t *ev);
 int snd_midi_event_encode_byte(snd_midi_event_t *dev, int c, snd_seq_event_t *ev);
 /* decode from event to bytes - return number of written bytes if success */
-long snd_midi_event_decode(snd_midi_event_t *dev, unsigned char *buf, long count, snd_seq_event_t *ev);
+long snd_midi_event_decode(snd_midi_event_t *dev, unsigned char *buf, long count, const snd_seq_event_t *ev);
 
 /** \} */
 

diff --git a/src/seq/seq_midi_event.c b/src/seq/seq_midi_event.c
index 4338849..b9ee541 100644 (file)
--- a/src/seq/seq_midi_event.c
+++ b/src/seq/seq_midi_event.c
@@ -270,7 +270,7 @@ int snd_midi_event_resize_buffer(snd_midi_event_t *dev, size_t bufsize)
  * If complete sequencer event is available, ev->type is not
  * equal to #SND_SEQ_EVENT_NONE.
  */
-long snd_midi_event_encode(snd_midi_event_t *dev, unsigned char *buf, long count, snd_seq_event_t *ev)
+long snd_midi_event_encode(snd_midi_event_t *dev, const unsigned char *buf, long count, snd_seq_event_t *ev)
 {
        long result = 0;
        int rc;
@@ -411,7 +411,7 @@ static void songpos_event(snd_midi_event_t *dev, snd_seq_event_t *ev)
  *
  * Decode sequencer event to MIDI byte stream.
  */
-long snd_midi_event_decode(snd_midi_event_t *dev, unsigned char *buf, long count, snd_seq_event_t *ev)
+long snd_midi_event_decode(snd_midi_event_t *dev, unsigned char *buf, long count, const snd_seq_event_t *ev)
 {
        int cmd;
        long qlen;