[libsoup/cache] soup-cache: add soup_cache_clear

[Xan Lopez <xan src gnome org>]

commit f0fd331f74806005ff4a7cac1d3485a25ea02031
Author: Xan Lopez <xan gnome org>
Date:   Tue Aug 4 10:16:10 2009 +0300

    soup-cache: add soup_cache_clear
    
    Clears all entries from the cache, including their cache files.

 libsoup/soup-cache.c |   27 +++++++++++++++++++++++++++
 libsoup/soup-cache.h |    2 ++
 2 files changed, 29 insertions(+), 0 deletions(-)
---
diff --git a/libsoup/soup-cache.c b/libsoup/soup-cache.c
index 96fbeed..d9b4123 100644
--- a/libsoup/soup-cache.c
+++ b/libsoup/soup-cache.c
@@ -980,3 +980,30 @@ soup_cache_flush (SoupCache *cache, SoupSession *session)
 		g_main_context_iteration (async_context, TRUE);
 }
 
+static void
+remove_cache_item (gpointer key,
+		   gpointer value,
+		   SoupCache *cache)
+{
+	soup_cache_entry_delete_by_key (cache, key);
+}
+
+/**
+ * soup_cache_clear:
+ * @cache: a #SoupCache
+ * 
+ * Will remove all entries in the @cache plus all the cache files
+ * associated with them.
+ **/
+void
+soup_cache_clear (SoupCache *cache)
+{
+	GHashTable *hash;
+
+	g_return_if_fail (SOUP_IS_CACHE (cache));
+
+	hash = cache->priv->cache;
+	g_return_if_fail (hash);
+
+	g_hash_table_foreach (hash, (GHFunc)remove_cache_item, cache);
+}
diff --git a/libsoup/soup-cache.h b/libsoup/soup-cache.h
index 9dfe18a..e19fdde 100644
--- a/libsoup/soup-cache.h
+++ b/libsoup/soup-cache.h
@@ -54,6 +54,8 @@ void             soup_cache_send_response    (SoupCache   *cache,
 SoupCacheability soup_cache_get_cacheability (SoupCache   *cache,
 					      SoupMessage *msg);
 void             soup_cache_flush            (SoupCache   *cache,
+					      SoupSession *session);
+void             soup_cache_clear            (SoupCache   *cache);
 
 G_END_DECLS