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printing: Fix memory leak when listing Avahi printers

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Return values of g_variant_get_child_value() were not unreffed
correctly together with one value returned by g_variant_get().
Use g_variant_get_data() instead of copying each byte separately.

https://bugzilla.gnome.org/show_bug.cgi?id=712799
This commit is contained in:
Marek Kasik
2013-11-22 11:31:25 +01:00
parent 543b840a80
commit 118b09c68c
1 changed files with 46 additions and 39 deletions
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17
modules/printbackends/cups/gtkprintbackendcups.c
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@ -2697,10 +2697,11 @@ avahi_service_resolver_cb (GObject *source_object,
gchar *endptr;
gchar *key;
gchar *value;
gsize length;
gint interface;
gint protocol;
gint aprotocol;
gint i, j;
gint i;
output = g_dbus_connection_call_finish (G_DBUS_CONNECTION (source_object),
res,
@ -2728,11 +2729,11 @@ avahi_service_resolver_cb (GObject *source_object,
{
child = g_variant_get_child_value (txt, i);
tmp = g_new0 (gchar, g_variant_n_children (child) + 1);
for (j = 0; j < g_variant_n_children (child); j++)
length = g_variant_get_size (child);
if (length > 0)
{
tmp[j] = g_variant_get_byte (g_variant_get_child_value (child, j));
}
tmp = g_strndup (g_variant_get_data (child), length);
g_variant_unref (child);
if (!avahi_txt_get_key_value_pair (tmp, &key, &value))
{
@ -2773,6 +2774,11 @@ avahi_service_resolver_cb (GObject *source_object,
g_clear_pointer (&value, g_free);
g_free (tmp);
}
else
{
g_variant_unref (child);
}
}
if (queue_name)
{
@ -2810,6 +2816,7 @@ avahi_service_resolver_cb (GObject *source_object,
g_free (data);
}
g_variant_unref (txt);
g_variant_unref (output);
}
else