[glib] Add g_file_info_set_attribute_status

[Alexander Larsson <alexl src gnome org>]

commit 9a6146f54cdc085a42095b930066853dbb4e0c67
Author: Alexander Larsson <alexl redhat com>
Date:   Tue Jun 23 11:30:14 2009 +0200

    Add g_file_info_set_attribute_status
    
    Required for gvfs implementation for set_attribures_from_info.

 gio/gfileinfo.c |   36 ++++++++++++++++++++++++++++++++++++
 gio/gfileinfo.h |    3 +++
 gio/gio.symbols |    1 +
 3 files changed, 40 insertions(+), 0 deletions(-)
---
diff --git a/gio/gfileinfo.c b/gio/gfileinfo.c
index 582e744..aed7975 100644
--- a/gio/gfileinfo.c
+++ b/gio/gfileinfo.c
@@ -679,6 +679,42 @@ g_file_info_get_attribute_status (GFileInfo  *info,
   return G_FILE_ATTRIBUTE_STATUS_UNSET;
 }
 
+/**
+ * g_file_info_set_attribute_status:
+ * @info: a #GFileInfo
+ * @attribute: a file attribute key
+ * @status: a #GFileAttributeStatus
+ *
+ * Sets the attribute status for an attribute key. This is only
+ * needed by external code that implement g_file_set_attributes_from_info()
+ * or similar functions.
+ *
+ * The attribute must exist in @info for this to work. Otherwise %FALSE
+ * is returned and @info is unchanged.
+ *
+ * Returns: %TRUE if the status was changed, %FALSE if the key was not set.
+ *
+ * Since: 2.22
+ */
+gboolean
+g_file_info_set_attribute_status (GFileInfo  *info,
+				  const char *attribute,
+				  GFileAttributeStatus status)
+{
+  GFileAttributeValue *val;
+
+  g_return_val_if_fail (G_IS_FILE_INFO (info), 0);
+  g_return_val_if_fail (attribute != NULL && *attribute != '\0', 0);
+
+  val = g_file_info_find_value_by_name (info, attribute);
+  if (val)
+    {
+      val->status = status;
+      return TRUE;
+    }
+
+  return FALSE;
+}
 
 GFileAttributeValue *
 _g_file_info_get_attribute_value (GFileInfo  *info,
diff --git a/gio/gfileinfo.h b/gio/gfileinfo.h
index 330e996..3fc5217 100644
--- a/gio/gfileinfo.h
+++ b/gio/gfileinfo.h
@@ -764,6 +764,9 @@ void               g_file_info_remove_attribute          (GFileInfo  *info,
 							  const char *attribute);
 GFileAttributeStatus g_file_info_get_attribute_status    (GFileInfo  *info,
 							  const char *attribute);
+gboolean           g_file_info_set_attribute_status      (GFileInfo  *info,
+							  const char *attribute,
+							  GFileAttributeStatus status);
 char *             g_file_info_get_attribute_as_string   (GFileInfo  *info,
 							  const char *attribute);
 const char *       g_file_info_get_attribute_string      (GFileInfo  *info,
diff --git a/gio/gio.symbols b/gio/gio.symbols
index d0200a2..2323c93 100644
--- a/gio/gio.symbols
+++ b/gio/gio.symbols
@@ -393,6 +393,7 @@ g_file_info_get_attribute_uint64
 g_file_info_get_attribute_int64 
 g_file_info_get_attribute_object 
 g_file_info_get_attribute_stringv
+g_file_info_set_attribute_status
 g_file_info_set_attribute 
 g_file_info_set_attribute_string 
 g_file_info_set_attribute_byte_string