X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/blobdiff_plain/8959d9ceb7ede89a5fdde784c92eacf47aac87e3..5c0abf7f0266f9f08a9c0e711dc0c2d70840421b:/usr/src/include/protocols/dumprestore.h

diff --git a/usr/src/include/protocols/dumprestore.h b/usr/src/include/protocols/dumprestore.h
index 100be0dce1..72291cdf27 100644
--- a/usr/src/include/protocols/dumprestore.h
+++ b/usr/src/include/protocols/dumprestore.h
@@ -1,10 +1,20 @@
 /* Copyright (c) 1981 Regents of the University of California */
 
-/* "@(#)dumprestore.h 1.1 %G%" */
+/* "@(#)dumprestore.h 2.4 %G%" */
 
+/*
+ * TP_BSIZE is the size of file blocks on the dump tapes.
+ * Note that TP_BSIZE must be a multiple of DEV_BSIZE.
+ *
+ * NTREC is the number of TP_BSIZE blocks that are written
+ * in each tape record.
+ *
+ * TP_NINDIR is the number of indirect pointers in a TS_INODE
+ * or TS_ADDR record. Note that it must be a power of two.
+ */
+#define TP_BSIZE	1024
 #define NTREC   	10
-#define MLEN    	16
-#define MSIZ    	4096
+#define TP_NINDIR	(TP_BSIZE/2)
 
 #define TS_TAPE 	1
 #define TS_INODE	2
@@ -12,28 +22,28 @@
 #define TS_ADDR 	4
 #define TS_END  	5
 #define TS_CLRI 	6
-#define MAGIC   	(int)60011
+#define OFS_MAGIC   	(int)60011
+#define NFS_MAGIC   	(int)60012
 #define CHECKSUM	(int)84446
 
-struct	spcl {
-	int	c_type;
-	time_t	c_date;
-	time_t	c_ddate;
-	int	c_volume;
-	daddr_t	c_tapea;
-	ino_t	c_inumber;
-	int	c_magic;
-	int	c_checksum;
-	struct	dinode	c_dinode;
-	int	c_count;
-	char	c_addr[BSIZE];
-} spcl;
+union u_spcl {
+	char dummy[TP_BSIZE];
+	struct	s_spcl {
+		int	c_type;
+		time_t	c_date;
+		time_t	c_ddate;
+		int	c_volume;
+		daddr_t	c_tapea;
+		ino_t	c_inumber;
+		int	c_magic;
+		int	c_checksum;
+		struct	dinode	c_dinode;
+		int	c_count;
+		char	c_addr[TP_NINDIR];
+	} s_spcl;
+} u_spcl;
 
-struct	idates {
-	char	id_name[16];
-	char	id_incno;
-	time_t	id_ddate;
-};
+#define spcl u_spcl.s_spcl
 
 #define	DUMPOUTFMT	"%-16s %c %s"		/* for printf */
 						/* name, incno, ctime(date) */