From f86adf4bb5b40a2e8a255ad9eb064a5daea0bb6e Mon Sep 17 00:00:00 2001
From: Andreas Eversberg <jolly@eversberg.eu>
Date: Wed, 14 Aug 2019 11:54:41 +0200
Subject: [PATCH] Fixed an unitialized-buffer bug.

---
 src/libsound/sound_alsa.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/libsound/sound_alsa.c b/src/libsound/sound_alsa.c
index f2f123e..5b5e4eb 100644
--- a/src/libsound/sound_alsa.c
+++ b/src/libsound/sound_alsa.c
@@ -363,6 +363,9 @@ int sound_read(void *inst, sample_t **samples, int num, int channels, double *rf
 	int in, rc;
 	int i, ii;
 
+	/* make valgrind happy, because snd_pcm_readi() does not seem to initally fill buffer with values */
+	memset(buff, 0, sizeof(buff));
+
 	/* get samples in rx buffer */
 	in = snd_pcm_avail(sound->chandle);
 	/* if not more than KEEP_FRAMES frames available, try next time */