From e2dcbeda0c06b8937afaf0092c87b16a45b76f44 Mon Sep 17 00:00:00 2001
From: Joshua Colp <jcolp@digium.com>
Date: Fri, 19 Oct 2007 16:38:29 +0000
Subject: [PATCH] When returning a DTMF digit from ast_control_streamfile cast
 it as a char so that 0 does not overlap with the success return code. (closes
 issue #11023) Reported by: cfc

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@86502 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 main/app.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/main/app.c b/main/app.c
index c84bd0f54c..9136175ca7 100644
--- a/main/app.c
+++ b/main/app.c
@@ -449,6 +449,10 @@ int ast_control_streamfile(struct ast_channel *chan, const char *file,
 			break;
 	}
 
+	/* If we are returning a digit cast it as char */
+	if (res > 0 || chan->stream)
+		res = (char)res;
+
 	ast_stopstream(chan);
 
 	return res;