Index: libdisk/pttype.c
===================================================================
RCS file: /cvs/linux-2.4-xfs/cmd/xfsprogs/libdisk/pttype.c,v
retrieving revision 1.5
diff -u -r1.5 pttype.c
--- libdisk/pttype.c	12 Nov 2002 04:01:08 -0000	1.5
+++ libdisk/pttype.c	17 Mar 2003 07:34:38 -0000
@@ -93,6 +93,14 @@
 	return !csum;
 }
 
+static int
+mac_parttable(char *base)
+{
+	return (ntohs(maclabel(base)->magic) == MAC_LABEL_MAGIC ||
+		ntohs(maclabel(base)->magic) == MAC_PARTITION_MAGIC ||
+		ntohs(maclabel(base)->magic) == MAC_OLD_PARTITION_MAGIC);
+}
+
 
 char *
 pttype(char *device)
@@ -114,6 +122,8 @@
 			type = "AIX";
 		else if (dos_parttable(buf))
 			type = "DOS";
+		else if (mac_parttable(buf))
+			type = "Mac";
 	}
 
 	if (fd >= 0)
Index: libdisk/pttype.h
===================================================================
RCS file: /cvs/linux-2.4-xfs/cmd/xfsprogs/libdisk/pttype.h,v
retrieving revision 1.2
diff -u -r1.2 pttype.h
--- libdisk/pttype.h	12 Nov 2002 04:01:08 -0000	1.2
+++ libdisk/pttype.h	17 Mar 2003 07:34:38 -0000
@@ -39,3 +39,13 @@
 #define	AIX_LABEL_MAGIC		0xc9c2d4c1
 #define	AIX_LABEL_MAGIC_SWAPPED	0xc1d4c2c9
 #define aixlabel(x) ((aix_partition *)x)
+
+typedef struct {
+	unsigned short magic;
+	/* ... */
+} mac_partition;
+
+#define MAC_LABEL_MAGIC		0x4552
+#define MAC_PARTITION_MAGIC	0x504d
+#define MAC_OLD_PARTITION_MAGIC	0x5453
+#define maclabel(x) ((mac_partition *)x)