[gvfs] dav: Fix free space reporting

[Tomas Bzatek <tbzatek src gnome org>]

commit 99ae116200691c1dc67ea3fb74060e0d90bf482d
Author: Tomas Bzatek <tbzatek redhat com>
Date:   Wed Feb 8 18:53:51 2012 +0100

    dav: Fix free space reporting
    
    Based on patch by Gareth Bult
    https://bugzilla.gnome.org/show_bug.cgi?id=669258

 daemon/gvfsbackenddav.c |   33 +++++++++++++++++++++------------
 1 files changed, 21 insertions(+), 12 deletions(-)
---
diff --git a/daemon/gvfsbackenddav.c b/daemon/gvfsbackenddav.c
index 7410311..4f1d8e0 100644
--- a/daemon/gvfsbackenddav.c
+++ b/daemon/gvfsbackenddav.c
@@ -1089,6 +1089,12 @@ ms_response_to_fs_info (MsResponse *response,
   xmlNodePtr  node;
   guint       status;
   const char *text;
+  guint64     bytes_avail;
+  guint64     bytes_used;
+  gboolean    have_bytes_avail;
+  gboolean    have_bytes_used;
+
+  have_bytes_avail = have_bytes_used = FALSE;
 
   ms_response_get_propstat_iter (response, &iter);
   while (xml_node_iter_next (&iter))
@@ -1109,28 +1115,31 @@ ms_response_to_fs_info (MsResponse *response,
 
           if (node_has_name (node, "quota-available-bytes"))
             {
-              guint64 size;
-
-              if (! string_to_uint64 (text, &size))
+              if (! string_to_uint64 (text, &bytes_avail))
                 continue;
 
-              g_file_info_set_attribute_uint64 (info,
-                                                G_FILE_ATTRIBUTE_FILESYSTEM_SIZE,
-                                                size);
+              have_bytes_avail = TRUE;
             }
           else if (node_has_name (node, "quota-used-bytes"))
             {
-              guint64 size;
-
-              if (! string_to_uint64 (text, &size))
+              if (! string_to_uint64 (text, &bytes_used))
                 continue;
 
-              g_file_info_set_attribute_uint64 (info,
-                                                G_FILE_ATTRIBUTE_FILESYSTEM_FREE,
-                                                size);
+              have_bytes_used = TRUE;
             }
         }
     }
+
+  if (have_bytes_avail)
+    {
+      g_file_info_set_attribute_uint64 (info,
+                                        G_FILE_ATTRIBUTE_FILESYSTEM_FREE,
+                                        bytes_avail);
+      if (have_bytes_used)
+        g_file_info_set_attribute_uint64 (info,
+                                         G_FILE_ATTRIBUTE_FILESYSTEM_SIZE,
+                                         bytes_avail + bytes_used);
+    }
 }
 
 static GFileType