[nautilus/wip/apoos-maximus/gsoc2020: 6/8] properties-window: Stop multi-file GAppInfo leak




commit ac601e4c597b2aadb197e6732d91649c6a371781
Author: António Fernandes <antoniof gnome org>
Date:   Wed Dec 16 13:47:17 2020 +0000

    properties-window: Stop multi-file GAppInfo leak
    
    When showing the properties for multiple files with the same MIME type,
    The app_info variable is reassigned multiple times in a for loop to
    the return value of nautilus_mime_get_default_application_for_file(),
    which returns a caller-owned refference.
    
    So, we leak a reference on each reassignment.
    
    To fix this, declare the variable inside the loop block, to ensure
    autocleanup after each loop iteration.

 src/nautilus-properties-window.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/src/nautilus-properties-window.c b/src/nautilus-properties-window.c
index 35432664d..208af5171 100644
--- a/src/nautilus-properties-window.c
+++ b/src/nautilus-properties-window.c
@@ -4373,7 +4373,6 @@ should_show_open_with (NautilusPropertiesWindow *self)
     g_autofree gchar *mime_type = NULL;
     g_autofree gchar *extension = NULL;
     gboolean hide;
-    g_autoptr (GAppInfo) app_info = NULL;
 
     /* Don't show open with tab for desktop special icons (trash, etc)
      * or desktop files. We don't get the open-with menu for these anyway.
@@ -4394,6 +4393,8 @@ should_show_open_with (NautilusPropertiesWindow *self)
 
         for (l = self->target_files; l; l = l->next)
         {
+            g_autoptr (GAppInfo) app_info = NULL;
+
             file = NAUTILUS_FILE (l->data);
             app_info = nautilus_mime_get_default_application_for_file (file);
             if (nautilus_file_is_directory (file) || !app_info || file == NULL)
@@ -4408,8 +4409,9 @@ should_show_open_with (NautilusPropertiesWindow *self)
     }
     else
     {
-        file = get_target_file (self);
+        g_autoptr (GAppInfo) app_info = NULL;
 
+        file = get_target_file (self);
         app_info = nautilus_mime_get_default_application_for_file (file);
         if (nautilus_file_is_directory (file) || !app_info || file == NULL)
         {


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