fix paramater checking on switch_ivr_phrase_macro and it's consumers.

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@4187 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/applications/mod_dptools/mod_dptools.c

@@ -128,9 +128,8 @@ static void phrase_function(switch_core_session_t *session, char *data)
         if ((mdata = strchr(macro, ','))) {
             *mdata++ = '\0';
         }
-        if (!(lang = switch_channel_get_variable(channel, "language"))) {
-            lang = "en";
-        }
+
+        lang = switch_channel_get_variable(channel, "language");
         
         switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Execute %s(%s) lang %s\n", macro, mdata, lang);
         switch_ivr_phrase_macro(session, macro, mdata, lang, NULL);

src/mod/languages/mod_spidermonkey/mod_spidermonkey.c

@@ -1029,8 +1029,11 @@ static JSBool session_sayphrase(JSContext *cx, JSObject *obj, uintN argc, jsval
 		if (switch_strlen_zero(phrase_name)) {
 			return JS_FALSE;
 		}
+	} else {
+		return JS_FALSE;
 	}
 
+
     if (argc > 1) {
         phrase_data = JS_GetStringBytes(JS_ValueToString(cx, argv[1]));
     }

src/switch_ivr.c

@@ -4617,6 +4617,19 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_phrase_macro(switch_core_session_t *s
     channel = switch_core_session_get_channel(session);
     assert(channel != NULL);
 
+	if (!macro_name) {
+		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "No phrase macro specified.\n");
+		return status;
+	}
+
+	if (!lang) {
+		lang = "en";
+	}
+
+	if (!data) {
+		data = "";
+	}
+
     switch_url_encode(data, enc_hint, sizeof(enc_hint));
     snprintf(hint_data, sizeof(hint_data), "macro_name=%s&lang=%s&data=%s", macro_name, lang, enc_hint);