+static int
+cmp_object_ids(const struct wim_inode *inode1,
+ const struct wim_inode *inode2, int cmp_flags)
+{
+ const void *objid1, *objid2;
+ u32 len1, len2;
+
+ objid1 = inode_get_object_id(inode1, &len1);
+ objid2 = inode_get_object_id(inode2, &len2);
+
+ if (!objid1 && !objid2)
+ return 0;
+
+ if (objid1 && !objid2) {
+ if (cmp_flags & WIMLIB_CMP_FLAG_UNIX_MODE)
+ return 0;
+ ERROR("%"TS" unexpectedly lost its object ID",
+ inode_any_full_path(inode1));
+ return WIMLIB_ERR_IMAGES_ARE_DIFFERENT;
+ }
+
+ if (!objid1 && objid2) {
+ ERROR("%"TS" unexpectedly gained an object ID",
+ inode_any_full_path(inode1));
+ return WIMLIB_ERR_IMAGES_ARE_DIFFERENT;
+ }
+
+ if (len1 != len2 || memcmp(objid1, objid2, len1) != 0) {
+ ERROR("Object ID of %"TS" differs",
+ inode_any_full_path(inode1));
+ fprintf(stderr, "objid1=");
+ print_byte_field(objid1, len1, stderr);
+ fprintf(stderr, "\nobjid2=");
+ print_byte_field(objid2, len2, stderr);
+ fprintf(stderr, "\n");
+ return WIMLIB_ERR_IMAGES_ARE_DIFFERENT;
+ }
+
+ return 0;
+}
+