Fix both app_read and underlying read issue (bug #2352)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@3711 65c4cc65-6c06-0410-ace0-fbb531ad65f3

1 files changed, 2 insertions, 0 deletions

diff --git a/app.c b/app.c
index 86ad5077c..401b4451a 100755
--- a/app.c
+++ b/app.c
@@ -37,6 +37,8 @@ int ast_app_getdata(struct ast_channel *c, char *prompt, char *s, int maxlen, in
 {
 	int res,to,fto;
 	/* XXX Merge with full version? XXX */
+	if (maxlen)
+		s[0] = '\0';
 	if (prompt) {
 		res = ast_streamfile(c, prompt, c->language);
 		if (res < 0)