[Gpredict-svn] SF.net SVN: gpredict: [43] trunk/src/gtk-single-sat.c

[<cs...@us...>]

Revision: 43
          http://gpredict.svn.sourceforge.net/gpredict/?rev=43&view=rev
Author:   csete
Date:     2008-04-30 15:52:11 -0700 (Wed, 30 Apr 2008)

Log Message:
-----------
Fixed bug 1880815: Null pointer dereference causes crash on startup.

Modified Paths:
--------------
    trunk/src/gtk-single-sat.c

Modified: trunk/src/gtk-single-sat.c
===================================================================
--- trunk/src/gtk-single-sat.c	2008-04-30 22:38:07 UTC (rev 42)
+++ trunk/src/gtk-single-sat.c	2008-04-30 22:52:11 UTC (rev 43)
@@ -254,7 +254,7 @@
 
 	/* create header */
 	sat = SAT (g_slist_nth_data (GTK_SINGLE_SAT (widget)->sats, 0));
-	title = g_strdup_printf ("<b>%s</b>", sat->tle.sat_name);
+	title = g_strdup_printf ("<b>%s</b>", sat ? sat->tle.sat_name : "noname");
 
 	GTK_SINGLE_SAT (widget)->header = gtk_label_new (NULL);
 	gtk_label_set_markup (GTK_LABEL (GTK_SINGLE_SAT (widget)->header), title);
@@ -398,6 +398,13 @@
 
 	/* get selected satellite */
 	sat = SAT (g_slist_nth_data (ssat->sats, ssat->selected));
+    
+    if G_UNLIKELY(!sat) {
+        sat_log_log (SAT_LOG_LEVEL_BUG,
+                     _("%s:%d: Can not update non-existing sat"),
+                     __FILE__, __LINE__);
+        return;
+    }
 
 	/* update requested field */
 	switch (i) {


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