Started working on a refactored version

src/backing.h

@@ -1,39 +0,0 @@
-#pragma once
-
-#include <stdbool.h>
-#include <stdint.h>
-
-#define BACKING_POOL "/var/lib/sandbox/backings"
-
-/// @brief Checks whether the backing pool exists and is a directory.
-/// @return True if the backing pool exists and is a directory, false otherwise.
-bool check_backing_pool(void);
-
-/// @brief Checks whether the backing disk id is valid.
-/// @param backing_id The backing disk id to check.
-/// @return True if the backing disk id is valid, false otherwise.
-bool is_backing_id_valid(const char* backing_id);
-
-/// @brief Checks whether the backing disk exists.
-/// @param backing_id The backing disk id to check.
-/// @return True if the backing disk exists, false otherwise.
-bool backing_exists(const char* backing_id);
-
-/// @brief Adds a backing disk to the backing pool.
-/// @param backing_id The backing disk id to add.
-/// @param entry_id The entry from which the backing disk should be added.
-/// @return True if the backing disk was added, false otherwise.
-bool add_backing(const char* backing_id, const char* entry_id);
-
-/// @brief Removes a backing disk from the backing pool, as well as any backing disks that depend on it.
-/// @param backing_id The backing disk id to remove.
-/// @return True if the backing disk was removed, false otherwise.
-bool remove_backing(const char* backing_id);
-
-/// @brief Lists all backing disks in the backing pool.
-/// @return An array of backing disk ids or NULL if an error occurred. The result must be freed with free(), as well as each individual backing disk id.
-char** list_backings(void);
-
-/// @brief Clears all backing disks from the backing pool.
-/// @return True if all backing disks were removed, false otherwise.
-bool clear_backings(void);