+
+#include <stdio.h>
+
+G_BEGIN_DECLS
+
+/* File content check */
+typedef gboolean (*VikFileContentCheckerFunc) (FILE*);
+gboolean a_check_map_file(FILE*);
+gboolean a_check_html_file(FILE*);
+gboolean a_check_kml_file(FILE*);
+
+typedef struct {
+ /**
+ * Check if the server has a more recent file than the one we have before downloading it
+ * This uses http header If-Modified-Since
+ */
+ gboolean check_file_server_time;
+
+ /**
+ * Set if the server handle ETag
+ */
+ gboolean use_etag;
+
+ /**
+ * The REFERER string to use.
+ * Could be NULL.
+ */
+ gchar *referer;
+
+ /**
+ * follow_location specifies the number of retries
+ * to follow a redirect while downloading a page.
+ */
+ glong follow_location;
+
+ /**
+ * File content checker.
+ */
+ VikFileContentCheckerFunc check_file;
+
+ /**
+ * If need to authenticate on download
+ * format: 'username:password'
+ */
+ gchar *user_pass;
+
+} DownloadMapOptions;
+
+typedef struct {
+ /**
+ * Time sent to server on header If-Modified-Since
+ */
+ time_t time_condition;
+ /**
+ * Etag sent by server on previous download
+ */
+ char *etag;
+ /**
+ * Etag sent by server on this download
+ */
+ char *new_etag;
+
+} DownloadFileOptions;
+
+void a_download_init(void);
+