Implemented the add-entry command

src/entry.c

@@ -199,6 +199,18 @@ Result add_root_entry(const char* entry_id, uint64_t size) {
 	return SUCCESS;
 }
 
+Result add_backed_entry(const char* entry_id, const char* backing_id) {
+	// TODO: Implement
+
+	return FAILURE;
+}
+
+Result add_automatic_entry(const char* entry_id) {
+	// TODO: Implement
+
+	return FAILURE;
+}
+
 Result remove_entry(const char* entry_id) {
 	// Check that it exists
 	bool exists;
@@ -217,6 +229,48 @@ Result remove_entry(const char* entry_id) {
 	if (result != SUCCESS)
 		return result;
 
+	// Remove all the files in the directory
+	DIR* dir = opendir(entry_path);
+	if (dir == NULL) {
+		log_message(LOG_LEVEL_ERROR, "Failed to open the directory '%s' (%s).", entry_path, strerror(errno));
+
+		free(entry_path);
+		return FAILURE;
+	}
+
+	struct dirent* entry;
+
+	while ((entry = readdir(dir)) != NULL) {
+		// Skip the current and parent directories
+		if (strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0)
+			continue;
+
+		// Get the path of the file
+		char* file_path;
+		result = format(&file_path, "%s/%s", entry_path, entry->d_name);
+		if (result != SUCCESS) {
+			closedir(dir);
+			free(entry_path);
+			return result;
+		}
+
+		// Remove the file
+		if (unlink(file_path) == -1) {
+			log_message(LOG_LEVEL_ERROR, "Failed to remove the file '%s' (%s).", file_path, strerror(errno));
+
+			free(file_path);
+			closedir(dir);
+			free(entry_path);
+			return FAILURE;
+		}
+
+		// Free the entry file path
+		free(file_path);
+	}
+
+	// Close the directory
+	closedir(dir);
+
 	// Remove the directory
 	if (rmdir(entry_path) == -1) {
 		log_message(LOG_LEVEL_ERROR, "Failed to remove the directory '%s' (%s).", entry_path, strerror(errno));