Small regression to a more stable state

src/entry.c

@@ -63,6 +63,46 @@ Result get_entry_disk_path(const char* entry_id, char** out_path) {
 	return result;
 }
 
+Result get_entry_backing_id(const char* entry_id, char** out_backing_id) {
+	*out_backing_id = NULL;
+
+	// Get the path of the disk
+	char* disk_path;
+	Result result = get_entry_disk_path(entry_id, &disk_path);
+	if (result != SUCCESS)
+		return result;
+
+	// Get the backing file of the disk
+	DiskInfo info;
+	result = get_disk_info(disk_path, &info);
+	if (result != SUCCESS) {
+		free(disk_path);
+		return result;
+	}
+
+	// Free the disk path
+	free(disk_path);
+
+	// Check that the disk is backed
+	if (info.backing_file == NULL) {
+		free_disk_info(&info);
+		return SUCCESS;
+	}
+
+	// Get the backing id
+	*out_backing_id = strdup(basename(info.backing_file));
+	if (*out_backing_id == NULL) {
+		log_message(LOG_LEVEL_ERROR, "Failed to allocate memory for the backing id.");
+		free_disk_info(&info);
+		return OUT_OF_MEMORY;
+	}
+
+	// Free the disk info
+	free_disk_info(&info);
+
+	return SUCCESS;
+}
+
 Result get_entry_type_path(const char* entry_id, char** out_path) {
 	*out_path = NULL;
 
@@ -412,30 +452,3 @@ Result clear_entries(void) {
 
 	return SUCCESS;
 }
-
-Result reset_entry(const char* entry_id) {
-	// Check that it exists
-	bool exists;
-	Result result = entry_exists(entry_id, &exists);
-	if (result != SUCCESS)
-		return result;
-
-	if (!exists) {
-		log_message(LOG_LEVEL_ERROR, "The entry '%s' does not exist.", entry_id);
-		return FAILURE;
-	}
-
-	// Get the path of the disk
-	char* disk_path;
-	result = get_entry_disk_path(entry_id, &disk_path);
-	if (result != SUCCESS)
-		return result;
-
-	// Reset the disk
-	result = reset_disk(disk_path);
-
-	// Free the disk path
-	free(disk_path);
-
-	return result;
-}