Prepaired new code for fiasco images

src/fiasco2.c

@@ -0,0 +1,72 @@
+
+struct fiasco * fiasco_alloc_empty(void) {
+
+	struct fiasco * fiasco = calloc(1, sizeof(struct fiasco));
+	if ( ! fiasco ) {
+		perror("Cannot allocate memory");
+		return NULL;
+	}
+
+	fiasco->fd = -1;
+	return fiasco;
+
+}
+
+struct fiasco * fiasco_alloc_from_file(const char * file) {
+
+	struct fiasco * fiasco = fiasco_alloc_empty();
+	if ( ! fiasco )
+		return NULL;
+
+	fiasco->fd = open(file, O_RDONLY);
+	if ( fiasco->fd < 0 ) {
+		perror("Cannot open file");
+		free(image);
+		return NULL;
+	}
+
+	/* TODO: Read from file */
+
+	/* use: image_from_fiasco */
+
+}
+
+void fiasco_free(struct fiasco * fiasco) {
+
+	struct image_list * list = fiasco->first;
+
+	while ( list ) {
+		struct image_list * next = list->next;
+		image_list_del(list);
+		list = next;
+	}
+
+}
+
+int fiasco_add_image(struct fiasco * fiasco, struct image * image) {
+
+	if ( fiasco->fd >= 0 ) {
+		fprintf(stderr, "Fiasco image is on disk\n");
+		return 1;
+	}
+
+	if ( ! fiasco->first ) {
+		fiasco->first = calloc(1, sizeof(struct image_list));
+		fiasco->image = image;
+	} else {
+		image_list_add(&fiasco->first, image);
+	}
+
+}
+
+int fiasco_write_to_file(struct fiasco * fiasco, const char * file) {
+
+	/* TODO: Write fiasco image to file */
+
+}
+
+int fiasco_unpack(struct fiasco * fiasco, const char * dir) {
+
+	/* TODO: Unpack fiasco image to dir */
+
+}