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theme-node: Fix leak on stylesheet change.

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on_custom_stylesheet_changed() would set properties_computed to FALSE
without freeing the old properties, then the properties pointer would
be overwritten in ensure_properties().

https://bugzilla.gnome.org/show_bug.cgi?id=710230
This commit is contained in:
Hans Petter Jansson 2016-06-01 23:29:26 +02:00 committed by Florian Müllner
parent 8954d99659
commit 90596b0964
1 changed files with 20 additions and 12 deletions
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32
src/st/st-theme-node.c
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@ -66,11 +66,30 @@ st_theme_node_class_init (StThemeNodeClass *klass)
object_class->finalize = st_theme_node_finalize;
}
static void
maybe_free_properties (StThemeNode *node)
{
if (node->properties)
{
g_free (node->properties);
node->properties = NULL;
node->n_properties = 0;
}
if (node->inline_properties)
{
/* This destroys the list, not just the head of the list */
cr_declaration_destroy (node->inline_properties);
node->inline_properties = NULL;
}
}
static void
on_custom_stylesheets_changed (StTheme *theme,
gpointer data)
{
StThemeNode *node = data;
maybe_free_properties (node);
node->properties_computed = FALSE;
}
@ -119,18 +138,7 @@ st_theme_node_finalize (GObject *object)
g_strfreev (node->pseudo_classes);
g_free (node->inline_style);
if (node->properties)
{
g_free (node->properties);
node->properties = NULL;
node->n_properties = 0;
}
if (node->inline_properties)
{
/* This destroys the list, not just the head of the list */
cr_declaration_destroy (node->inline_properties);
}
maybe_free_properties (node);
if (node->font_desc)
{