shithub: aubio

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src/pitch/pitch.c: return NULL if pitch_mode is NULL

--- a/src/pitch/pitch.c

+++ b/src/pitch/pitch.c

@@ -111,6 +111,10 @@

 {

   aubio_pitch_t *p = AUBIO_NEW (aubio_pitch_t);

   aubio_pitch_type pitch_type;

+  if (pitch_mode == NULL) {

+    AUBIO_ERR ("pitch: can not use ‘NULL‘ for pitch detection method\n");

+    goto beach;

+  }

   if (strcmp (pitch_mode, "mcomb") == 0)

     pitch_type = aubio_pitcht_mcomb;

   else if (strcmp (pitch_mode, "yinfft") == 0)