thodg/got

diff --git a/lib/object.h b/lib/object.h
new file mode 100644
index 0000000..393b941
--- /dev/null
+++ b/lib/object.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2018 Stefan Sperling <stsp@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+struct got_object {
+	int type;
+	int flags;
+#define GOT_OBJ_FLAG_PACKED		0x01
+
+	size_t hdrlen;
+	size_t size;
+	struct got_object_id id;
+
+	char *path_packfile;	/* if packed */
+	off_t pack_offset;	/* if packed */
+
+	/* If type is OFFSET_DELTA: */
+	int base_type;
+	uint64_t base_size;
+	off_t base_obj_offset;
+};
+