low level source data cache backing store interface.

1 files changed, 68 insertions, 0 deletions

diff --git a/content/no_backing_store.c b/content/no_backing_store.c
new file mode 100644
index 000000000..192101522
--- /dev/null
+++ b/content/no_backing_store.c
@@ -0,0 +1,68 @@
+/*
+ * Copyright 2014 Vincent Sanders <vince@netsurf-browser.org>
+ *
+ * This file is part of NetSurf, http://www.netsurf-browser.org/
+ *
+ * NetSurf is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * NetSurf is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file
+ * Low-level resource cache null persistant storage implementation.
+ */
+
+#include "utils/nsurl.h"
+
+#include "content/backing_store.h"
+
+
+/* default to disabled backing store */
+static nserror initialise(const struct llcache_store_parameters *parameters)
+{
+	return NSERROR_OK;
+}
+
+static nserror finalise(void)
+{
+	return NSERROR_OK;
+}
+
+static nserror store(nsurl *url,
+		     enum backing_store_flags flags,
+		     const uint8_t *data,
+		     const size_t datalen)
+{
+	return NSERROR_SAVE_FAILED;
+}
+
+static nserror fetch(nsurl *url,
+		     enum backing_store_flags *flags,
+		     uint8_t **data_out,
+		     size_t *datalen_out)
+{
+	return NSERROR_NOT_FOUND;
+}
+
+static nserror invalidate(nsurl *url)
+{
+	return NSERROR_NOT_FOUND;
+}
+
+static struct gui_llcache_table llcache_table = {
+	.initialise = initialise,
+	.finalise = finalise,
+	.store = store,
+	.fetch = fetch,
+	.invalidate = invalidate,
+};
+
+struct gui_llcache_table *null_llcache_table = &llcache_table;