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file filter: Be save against NULL

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g_content_type_from_mime_type may return NULL, deal with that.

https://bugzilla.gnome.org/show_bug.cgi?id=782180
This commit is contained in:
Matthias Clasen 2017-05-08 16:35:53 -04:00
parent c4a5f6a601
commit 95e313a283
1 changed files with 13 additions and 11 deletions
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24
gtk/gtkfilefilter.c
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@ -673,19 +673,21 @@ gtk_file_filter_filter (GtkFileFilter *filter,
switch (rule->type)
{
case FILTER_RULE_MIME_TYPE:
if (filter_info->mime_type != NULL)
{
gchar *filter_content_type, *rule_content_type;
gboolean match;
if (filter_info->mime_type != NULL)
{
gchar *filter_content_type, *rule_content_type;
gboolean match;
filter_content_type = g_content_type_from_mime_type (filter_info->mime_type);
rule_content_type = g_content_type_from_mime_type (rule->u.mime_type);
match = g_content_type_is_a (filter_content_type, rule_content_type);
g_free (filter_content_type);
g_free (rule_content_type);
filter_content_type = g_content_type_from_mime_type (filter_info->mime_type);
rule_content_type = g_content_type_from_mime_type (rule->u.mime_type);
match = filter_content_type != NULL &&
rule_content_type != NULL &&
g_content_type_is_a (filter_content_type, rule_content_type);
g_free (filter_content_type);
g_free (rule_content_type);
if (match)
return TRUE;
if (match)
return TRUE;
}
break;
case FILTER_RULE_PATTERN: