[nautilus] bookmark: Use g_auto* macros

[Ernestas Kulik <ernestask src gnome org>]

commit c7d29f7d966dcd805cdcdba06444a5aa3cff4dad
Author: Yi-Soo An <yisooan gmail com>
Date:   Wed Jul 4 13:20:06 2018 +0900

    bookmark: Use g_auto* macros
    
    According to the documentation, the variables with these macros
    are cleaned up in a way appropriate to its type when the variables
    go out of scope.

 src/nautilus-bookmark.c | 39 ++++++++++++---------------------------
 1 file changed, 12 insertions(+), 27 deletions(-)
---
diff --git a/src/nautilus-bookmark.c b/src/nautilus-bookmark.c
index 6c731d42b..f115f2487 100644
--- a/src/nautilus-bookmark.c
+++ b/src/nautilus-bookmark.c
@@ -97,7 +97,7 @@ static void
 bookmark_set_name_from_ready_file (NautilusBookmark *self,
                                    NautilusFile     *file)
 {
-    gchar *display_name;
+    g_autofree gchar *display_name = NULL;
 
     if (self->has_custom_name)
     {
@@ -119,15 +119,13 @@ bookmark_set_name_from_ready_file (NautilusBookmark *self,
         nautilus_bookmark_set_name_internal (self, display_name);
         DEBUG ("%s: name changed to %s", nautilus_bookmark_get_name (self), display_name);
     }
-
-    g_free (display_name);
 }
 
 static void
 bookmark_file_changed_callback (NautilusFile     *file,
                                 NautilusBookmark *bookmark)
 {
-    GFile *location;
+    g_autoptr (GFile) location = NULL;
 
     g_assert (file == bookmark->file);
 
@@ -147,8 +145,6 @@ bookmark_file_changed_callback (NautilusFile     *file,
         g_signal_emit (bookmark, signals[CONTENTS_CHANGED], 0);
     }
 
-    g_object_unref (location);
-
     if (nautilus_file_is_gone (file) ||
         nautilus_file_is_in_trash (file))
     {
@@ -178,8 +174,9 @@ static void
 apply_warning_emblem (GIcon    **base,
                       gboolean   symbolic)
 {
-    GIcon *warning, *emblemed_icon;
-    GEmblem *emblem;
+    GIcon *emblemed_icon;
+    g_autoptr (GIcon) warning = NULL;
+    g_autoptr (GEmblem) emblem = NULL;
 
     if (symbolic)
     {
@@ -193,8 +190,6 @@ apply_warning_emblem (GIcon    **base,
     emblem = g_emblem_new (warning);
     emblemed_icon = g_emblemed_icon_new (*base, emblem);
 
-    g_object_unref (emblem);
-    g_object_unref (warning);
     g_object_unref (*base);
 
     *base = emblemed_icon;
@@ -302,8 +297,8 @@ out:
 static void
 nautilus_bookmark_set_icon_to_default (NautilusBookmark *bookmark)
 {
-    GIcon *icon, *symbolic_icon;
-    char *uri;
+    g_autoptr (GIcon) icon = NULL;
+    g_autoptr (GIcon) symbolic_icon = NULL;
 
     if (g_file_is_native (bookmark->location))
     {
@@ -312,10 +307,8 @@ nautilus_bookmark_set_icon_to_default (NautilusBookmark *bookmark)
     }
     else
     {
-        uri = nautilus_bookmark_get_uri (bookmark);
         symbolic_icon = g_themed_icon_new (NAUTILUS_ICON_FOLDER_REMOTE);
         icon = g_themed_icon_new (NAUTILUS_ICON_FULLCOLOR_FOLDER_REMOTE);
-        g_free (uri);
     }
 
     if (!bookmark->exists)
@@ -332,9 +325,6 @@ nautilus_bookmark_set_icon_to_default (NautilusBookmark *bookmark)
                   "icon", icon,
                   "symbolic-icon", symbolic_icon,
                   NULL);
-
-    g_object_unref (icon);
-    g_object_unref (symbolic_icon);
 }
 
 static void
@@ -435,26 +425,23 @@ exists_query_info_ready_cb (GObject      *source,
                             GAsyncResult *res,
                             gpointer      user_data)
 {
-    GFileInfo *info;
+    g_autoptr (GFileInfo) info = NULL;
     NautilusBookmark *bookmark;
-    GError *error = NULL;
+    g_autoptr (GError) error = NULL;
     gboolean exists = FALSE;
 
     info = g_file_query_info_finish (G_FILE (source), res, &error);
     if (!info && g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
     {
-        g_clear_error (&error);
         return;
     }
 
-    g_clear_error (&error);
     bookmark = user_data;
 
     if (info)
     {
         exists = TRUE;
 
-        g_object_unref (info);
         g_clear_object (&bookmark->cancellable);
     }
 
@@ -793,13 +780,11 @@ nautilus_bookmark_get_location (NautilusBookmark *bookmark)
 char *
 nautilus_bookmark_get_uri (NautilusBookmark *bookmark)
 {
-    GFile *file;
-    char *uri;
+    g_autoptr (GFile) file = NULL;
 
     file = nautilus_bookmark_get_location (bookmark);
-    uri = g_file_get_uri (file);
-    g_object_unref (file);
-    return uri;
+
+    return g_file_get_uri (file);
 }
 
 NautilusBookmark *