[gvfs] Add metafile_key_list_set to clear and set a key as a list

[Alexander Larsson <alexl src gnome org>]

commit 1ca409e4431e7bbc323af4fd5daf68d22133b351
Author: Alexander Larsson <alexl redhat com>
Date:   Mon Jun 22 14:47:09 2009 +0200

    Add metafile_key_list_set to clear and set a key as a list

 metadata/metabuilder.c |   17 +++++++++++++++++
 metadata/metabuilder.h |    2 ++
 2 files changed, 19 insertions(+), 0 deletions(-)
---
diff --git a/metadata/metabuilder.c b/metadata/metabuilder.c
index e37cf70..9f8af33 100644
--- a/metadata/metabuilder.c
+++ b/metadata/metabuilder.c
@@ -229,6 +229,23 @@ metafile_key_set_value (MetaFile *metafile,
 }
 
 void
+metafile_key_list_set (MetaFile    *metafile,
+		       const char  *key)
+{
+  MetaData *data;
+
+  data = metafile_key_lookup (metafile, key, TRUE);
+  if (!data->is_list)
+    {
+      metadata_clear (data);
+      data->is_list = TRUE;
+    }
+  g_list_foreach (data->values, (GFunc)g_free, NULL);
+  g_list_free (data->values);
+  data->values = NULL;
+}
+
+void
 metafile_key_list_add (MetaFile *metafile,
 		       const char *key,
 		       const char *value)
diff --git a/metadata/metabuilder.h b/metadata/metabuilder.h
index 3af05bb..51340f2 100644
--- a/metadata/metabuilder.h
+++ b/metadata/metabuilder.h
@@ -50,6 +50,8 @@ void         metafile_key_unset     (MetaFile    *metafile,
 void         metafile_key_set_value (MetaFile    *metafile,
 				     const char  *key,
 				     const char  *value);
+void         metafile_key_list_set  (MetaFile    *metafile,
+				     const char  *key);
 void         metafile_key_list_add  (MetaFile    *metafile,
 				     const char  *key,
 				     const char  *value);