From 09c75ae360c153b97a29754c3c9e4e6dc2a1f5b4 Mon Sep 17 00:00:00 2001
From: rswindell <>
Date: Fri, 3 Oct 2003 03:10:41 +0000
Subject: [PATCH] Fixed possible NULL-pointer dereference in play().
---
src/tone/tone.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/src/tone/tone.c b/src/tone/tone.c
index 5f01f7e565..b501d7898f 100644
--- a/src/tone/tone.c
+++ b/src/tone/tone.c
@@ -68,11 +68,13 @@ void play(char *freq, char *dur)
if(dur==NULL)
dur="0";
+ if(freq==NULL)
+ freq="0";
+
d=atoi(dur);
if(isdigit(*freq))
f=atoi(freq);
-
- else
+ else
switch(toupper(*freq)) {
case 'O': /* default octave */
if(isdigit(*dur))
--
GitLab