add forgotten version response.

+/**
+ * \file
+ *
+ * \author	Georg Hopp
+ *
+ * \copyright
+ * Copyright © 2012  Georg Hopp
+ *
+ * This program 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, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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/>.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <time.h>
+#include <sys/types.h>
+
+#include "class.h"
+
+#include "http/response.h"
+#include "http/message.h"
+#include "http/header.h"
+#include "session.h"
+
+#include "utils/memory.h"
+#include "hash.h"
+
+#define RESP_DATA "{\"version\":\"%s\"}"
+
+HttpResponse
+httpResponseVersion(const char * version)
+{
+	char         buffer[200];
+	HttpResponse response;
+	HttpMessage  message;
+	size_t       nbuf;
+
+	response = new(HttpResponse, "HTTP/1.1", 200, "OK");
+	message  = (HttpMessage)response;
+
+	hashAdd(message->header,
+			new(HttpHeader, CSTRA("Content-Type"), CSTRA("application/json")));
+
+	nbuf = sprintf(buffer, RESP_DATA, (NULL != version)? version : "");
+
+	message->nbody = nbuf;
+	message->body  = memMalloc(nbuf);
+	memcpy(message->body, buffer, nbuf);
+
+	return response;
+}
+
+// vim: set ts=4 sw=4: