extra protection

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@9663 d0543943-73ff-0310-b7d9-9358b9ac24b2

diff --git a/src/mod/asr_tts/mod_cepstral/mod_cepstral.c b/src/mod/asr_tts/mod_cepstral/mod_cepstral.c
index fd036aaef499c4e9846d25153bda641cf3e06692..5d914a04f11596f5612312dc2e5eec111689b6d3 100644 (file)
--- a/src/mod/asr_tts/mod_cepstral/mod_cepstral.c
+++ b/src/mod/asr_tts/mod_cepstral/mod_cepstral.c
@@ -150,7 +150,7 @@ static switch_status_t cepstral_speech_open(switch_speech_handle_t *sh, const ch
                voice_name = NULL;
        }
 
-       if (!voice_name) {
+       if (switch_strlen_zero(voice_name)) {
                /* Find the first voice on the system */
                if ((cepstral->voice = swift_port_find_first_voice(cepstral->port, NULL, NULL)) == NULL) {
                        switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to find any voices!\n");
@@ -219,6 +219,9 @@ static switch_status_t cepstral_speech_feed_tts(switch_speech_handle_t *sh, char
 
        cepstral->tts_stream = NULL;
 
+       if (switch_strlen_zero(text)) {
+               return SWITCH_STATUS_FALSE;
+       }
        if (!strncasecmp(text, fp, len)) {
                text += len;
                if (switch_strlen_zero(text)) {