Started writing the management program.

src/backing.h

@@ -0,0 +1,32 @@
+#pragma once
+
+#include <stdbool.h>
+#include <stdint.h>
+
+/// @brief Returns the directory path where the backing disks are stored.
+/// @return The directory path where the backing disks are stored. The caller is responsible for freeing the returned string. This function can return NULL.
+char* get_backings_path(void);
+
+/// @brief Checks if the specified backing disk name is valid.
+/// @param name The backing disk name to check.
+/// @return true if the backing disk name is valid, otherwise false.
+bool is_valid_backing_name(const char* name);
+
+/// @brief Returns the path to the specified backing disk.
+/// @param backing The valid backing disk name.
+/// @return The path to the specified backing disk. The caller is responsible for freeing the returned string. This function can return NULL.
+char* get_backing_path(const char* backing);
+
+/// @brief Checks if the specified backing disk exists.
+/// @param backing The valid backing disk name.
+/// @return true if the backing disk exists, otherwise false.
+bool backing_exists(const char* backing);
+
+/// @brief Lists the backing disks.
+/// @return The list of backing disks. The caller is responsible for freeing the returned array and strings. This function can return NULL.
+char** list_backings(void);
+
+/// @brief Creates a new backing disk.
+/// @param backing_disk The disk to use as the backing disk. Warning: the disk must be part of the backing disks.
+/// @return true if the backing disk was created, otherwise false.
+bool create_backing(const char* backing_disk);