From: Paul Eggert <eggert@cs.ucla.edu>
Date: Fri, 18 Mar 2011 06:42:43 +0000 (-0700)
Subject: * sound.c (wav_play): Initialize a variable to 0, to prevent undefined behavior.
X-Git-Tag: emacs-pretest-24.0.90~104^2~275^2~513^2~52
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=8176119bc432d0ddb6187a4a84c81a7d9489153a;p=emacs.git

* sound.c (wav_play): Initialize a variable to 0, to prevent undefined behavior.
---

diff --git a/src/ChangeLog b/src/ChangeLog
index b35cae14094..69aaa359887 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -3,6 +3,7 @@
 	* sound.c (wav_play, au_play, Fplay_sound_internal):
 	Fix pointer signedness.
 	(alsa_choose_format): Remove unused local var.
+	(wav_play): Initialize a variable to 0, to prevent undefined behavior.
 
 	* region-cache.c (insert_cache_boundary): Redo var to avoid shadowing.
 
diff --git a/src/sound.c b/src/sound.c
index c886c8c40b1..a2fe7ccc8ce 100644
--- a/src/sound.c
+++ b/src/sound.c
@@ -600,7 +600,7 @@ wav_play (struct sound *s, struct sound_device *sd)
   else
     {
       char *buffer;
-      int nbytes;
+      int nbytes = 0;
       int blksize = sd->period_size ? sd->period_size (sd) : 2048;
       int data_left = header->data_length;