Merge lp:~azzar1/indicator-printers/fix-1703046 into lp:indicator-printers

[Andrea Azzarone]

According to the documentation cupsGetOptions can return NULL. Do not crash if it happens.

[Marco Trevisan (Treviño) (3v1n0)]

Ack!

review: Approve

=== modified file 'src/indicator-printers-menu.c'
--- src/indicator-printers-menu.c	2012-03-03 10:40:46 +0000
+++ src/indicator-printers-menu.c	2017-10-20 09:39:59 +0000
@@ -220,10 +220,13 @@
 
     ndests = cupsGetDests (&dests);
     for (i = 0; i < ndests; i++) {
-        int state = atoi (cupsGetOption ("printer-state",
+        const char *val = cupsGetOption ("printer-state",
                                          dests[i].num_options,
-                                         dests[i].options));
-        update_printer_menuitem (self, dests[i].name, state);
+                                         dests[i].options);
+        if (val != NULL) {
+            int state = atoi (val);
+            update_printer_menuitem (self, dests[i].name, state);
+        }
     }
     cupsFreeDests (ndests, dests);
 }