Don't pass null to manager_event()

(closes issue #17087)
Reported by: bklang
Patches:
      app-fax-null-sprintf1.diff uploaded by mnicholson (license 96)
Tested by: bklang

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@269083 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/apps/app_fax.c b/apps/app_fax.c
index a664b1c96d0eabfd9bf5a5c64b4a976afc293818..9b1972d97a01ec7d67137669d996ed5a1c35dc91 100644 (file)
--- a/apps/app_fax.c
+++ b/apps/app_fax.c
@@ -227,8 +227,8 @@ static void phase_e_handler(t30_state_t *f, void *user_data, int result)
        
        s->finished = 1; 
        
-       local_ident = t30_get_tx_ident(f);
-       far_ident = t30_get_rx_ident(f);
+       local_ident = S_OR(t30_get_tx_ident(f), "");
+       far_ident = S_OR(t30_get_rx_ident(f), "");
        pbx_builtin_setvar_helper(s->chan, "FAXSTATUS", "SUCCESS"); 
        pbx_builtin_setvar_helper(s->chan, "FAXERROR", NULL); 
        pbx_builtin_setvar_helper(s->chan, "REMOTESTATIONID", far_ident);