1 files changed, 47 insertions, 0 deletions
diff --git a/support/reexport/reexport_backend.h b/support/reexport/reexport_backend.h
new file mode 100644
index 0000000..4940f06
--- /dev/null
+++ b/support/reexport/reexport_backend.h
@@ -0,0 +1,47 @@
+#ifndef REEXPORT_BACKEND_H
+#define REEXPORT_BACKEND_H
+
+extern struct reexpdb_backend_plugin sqlite_plug_ops;
+
+struct reexpdb_backend_plugin {
+	/*
+	 * Find or allocate a fsidnum for a given path.
+	 *
+	 * @path: Path to look for
+	 * @fsidnum: Pointer to an uint32_t variable
+	 * @may_create: If non-zero, a fsidnum will be allocated if none was found
+	 *
+	 * Returns true if either an fsidnum was found or successfully allocated,
+	 * false otherwise.
+	 * On success, the fsidnum will be stored into @fsidnum.
+	 * Upon errors, false is returned and errors are logged.
+	 */
+	bool (*fsidnum_by_path)(char *path, uint32_t *fsidnum, int may_create, bool *found);
+
+	/*
+	 * Lookup path by a given fsidnum
+	 *
+	 * @fsidnum: fsidnum to look for
+	 * @path: address of a char pointer
+	 *
+	 * Returns true if a path was found, false otherwise.
+	 * Upon errors, false is returned and errors are logged.
+	 * In case of success, the function returns the found path
+	 * via @path, @path will point to a freshly allocated buffer
+	 * which is free()'able.
+	 */
+	bool (*path_by_fsidnum)(uint32_t fsidnum, char **path, bool *found);
+
+	/*
+	 * Init database connection, can get called multiple times.
+	 * Returns true on success, false otherwise.
+	 */
+	bool (*initdb)(void);
+
+	/*
+	 * Undoes initdb().
+	 */
+	void (*destroydb)(void);
+};
+
+#endif /* REEXPORT_BACKEND_H */