Do not crash if event name is NULL

diff --git a/epg.c b/epg.c
index c1f0a83bf0211abc4ddf76207769514b06c079e8..f4bfec1160402d0e1689ac9f1e3b76039370f00a 100644 (file)
--- a/epg.c
+++ b/epg.c
@@ -211,7 +211,8 @@ check_overlap0(th_channel_t *ch, event_t *a)
     syslog(LOG_WARNING,
           "\"%s\": Event \"%s\" %s with higest "
           "precedence extends over \"%s\" %s",
-          ch->ch_name, a->e_title, atime, b->e_title, btime);
+          ch->ch_name, a->e_title ?: "<unnamed>", atime, 
+          b->e_title ?: "<unnamed>", btime);
 
     b->e_start += overshot;
     b->e_duration -= overshot;
@@ -219,28 +220,29 @@ check_overlap0(th_channel_t *ch, event_t *a)
     if(b->e_duration < 1) {
       syslog(LOG_WARNING,
             "\"%s\": Event \"%s\" destroyed",
-            ch->ch_name, b->e_title);
+            ch->ch_name, b->e_title ?: "<unnamed>");
 
       epg_event_destroy(ch, b);
     } else {
 
       syslog(LOG_WARNING,
             "\"%s\": Event \"%s\" delayed and shortened by %ds",
-            ch->ch_name, b->e_title, overshot);
+            ch->ch_name, b->e_title ?: "<unnamed>", overshot);
     }
   } else {
 
     syslog(LOG_WARNING,
           "\"%s\": Event \"%s\" %s with higest "
           "precedence extends over \"%s\" %s",
-          ch->ch_name, b->e_title, btime, a->e_title, atime);
+          ch->ch_name, b->e_title ?: "<unnamed>", btime, 
+          a->e_title ?: "<unnamed>", atime);
 
     a->e_duration -= overshot;
 
     if(a->e_duration < 1) {
       syslog(LOG_WARNING,
             "\"%s\": Event \"%s\" destroyed",
-            ch->ch_name, a->e_title);
+            ch->ch_name, a->e_title ?: "<unnamed>");
 
       epg_event_destroy(ch, a);
       return 1;
@@ -249,7 +251,7 @@ check_overlap0(th_channel_t *ch, event_t *a)
 
       syslog(LOG_WARNING,
             "\"%s\": Event \"%s\" shortened by %ds",
-            ch->ch_name, a->e_title, overshot);
+            ch->ch_name, a->e_title ?: "<unnamed>", overshot);
     }
   }
   return 0;