$NetBSD: patch-ac,v 1.3 2008/09/21 16:16:06 joerg Exp $

--- lib/blkid/getsize.c.orig	2008-06-30 00:05:45 +0300
+++ lib/blkid/getsize.c
@@ -32,6 +32,9 @@
 #ifdef HAVE_SYS_DISKLABEL_H
 #include <sys/disklabel.h>
 #endif
+#ifdef __DragonFly__
+#include <sys/disklabel32.h>
+#endif
 #ifdef HAVE_SYS_DISK_H
 #ifdef HAVE_SYS_QUEUE_H
 #include <sys/queue.h> /* for LIST_HEAD */
@@ -86,8 +89,13 @@ blkid_loff_t blkid_get_dev_size(int fd)
 #endif
 #ifdef HAVE_SYS_DISKLABEL_H
 	int part = -1;
+#ifdef __DragonFly__
+	struct disklabel32 lab;
+	struct partition32 *pp;
+#else
 	struct disklabel lab;
 	struct partition *pp;
+#endif
 	char ch;
 	struct stat st;
 #endif /* HAVE_SYS_DISKLABEL_H */
@@ -144,7 +152,11 @@ blkid_loff_t blkid_get_dev_size(int fd)
 	 */
 	if ((fstat(fd, &st) >= 0) && (S_ISBLK(st.st_mode) || S_ISCHR(st.st_mode)))
 		part = st.st_rdev & 7;
+#ifdef __DragonFly__
+	if (part >= 0 && (ioctl(fd, DIOCGDINFO32, (char *)&lab) >= 0)) {
+#else
 	if (part >= 0 && (ioctl(fd, DIOCGDINFO, (char *)&lab) >= 0)) {
+#endif
 		pp = &lab.d_partitions[part];
 		if (pp->p_size)
 			return pp->p_size << 9;