More ast_strlen_zero changes

git-svn-id: http://svn.digium.com/svn/asterisk/trunk@2930 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 2 insertions, 4 deletions

diff --git a/apps/app_festival.c b/apps/app_festival.c
index 99b6226a0..3076d9a42 100755
--- a/apps/app_festival.c
+++ b/apps/app_festival.c
@@ -19,6 +19,7 @@
 #include <asterisk/module.h>
 #include <asterisk/md5.h>
 #include <asterisk/config.h>
+#include <asterisk/utils.h>
 #include <stdlib.h>
 #include <unistd.h>
 #include <string.h>
@@ -304,10 +305,7 @@ static int festival_exec(struct ast_channel *chan, void *vdata)
 	if (!(festivalcommand = ast_variable_retrieve(cfg, "general", "festivalcommand"))) {
 		festivalcommand = "(tts_textasterisk \"%s\" 'file)(quit)\n";
 	}
-	
-		
-
-	if (!vdata || !strlen(vdata)) {
+	if (!vdata || ast_strlen_zero(vdata)) {
 		ast_log(LOG_WARNING, "festival requires an argument (text)\n");
 		return -1;
 	}