BSD 4_3_Tahoe release

[unix-history] / usr / src / etc / named / db.h

diff --git a/usr/src/etc/named/db.h b/usr/src/etc/named/db.h
index 5625a9f..2d09ad3 100644 (file)
--- a/usr/src/etc/named/db.h
+++ b/usr/src/etc/named/db.h
@@ -1,8 +1,20 @@
-/*     db.h    4.3     86/06/04        */
-

 /*
 /*

- * Copyright (c) 1985 Regents of the University of California
- *     All Rights Reserved
+ * Copyright (c) 1985 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley.  The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ *     @(#)db.h        4.14 (Berkeley) 6/18/88

  */
 
 /*
  */
 
 /*


@@ -20,18 +32,26 @@
  */
 struct databuf {
        struct  databuf *d_next;        /* linked list */
  */
 struct databuf {
        struct  databuf *d_next;        /* linked list */

-       short   d_refcount;             /* reference count */
+       u_long  d_ttl;                  /* time to live */
+       short   d_flags;

        short   d_zone;                 /* zone number */
        short   d_class;                /* class number */
        short   d_type;                 /* type number */
        short   d_zone;                 /* zone number */
        short   d_class;                /* class number */
        short   d_type;                 /* type number */

-       u_long  d_ttl;                  /* time to live */
-       int     d_size;                 /* size of data area */
-       char    d_data[MAXDATA];        /* malloc'ed as needed */
+       short   d_mark;                 /* place to mark data */
+       short   d_size;                 /* size of data area */
+       u_long  d_nstime;               /* NS response time, milliseconds */
+       char    d_data[MAXDATA];        /* the data is malloc'ed to size */

 };
 #define DATASIZE(n) (sizeof(struct databuf) - MAXDATA + n)
 
 };
 #define DATASIZE(n) (sizeof(struct databuf) - MAXDATA + n)
 

+/*
+ * d_flags definitions
+ */
+#define DB_F_HINT       0x01   /* databuf belongs to fcachetab */
+

 struct namebuf {
        char    *n_dname;               /* domain name */
 struct namebuf {
        char    *n_dname;               /* domain name */

+       u_int   n_hashval;              /* hash value of n_dname */

        struct  namebuf *n_next;        /* linked list */
        struct  databuf *n_data;        /* data records */
        struct  namebuf *n_parent;      /* parent domain */
        struct  namebuf *n_next;        /* linked list */
        struct  databuf *n_data;        /* data records */
        struct  namebuf *n_parent;      /* parent domain */


@@ -56,9 +76,14 @@ struct hashbuf {
 /*
  * Flags to updatedb
  */
 /*
  * Flags to updatedb
  */

-#define DB_NODATA      0x1             /* data should not exist */
-#define DB_MEXIST      0x2             /* data must exist */
-#define DB_DELETE      0x4             /* delete data if it exists */
+#define DB_NODATA      0x01    /* data should not exist */
+#define DB_MEXIST      0x02    /* data must exist */
+#define DB_DELETE      0x04    /* delete data if it exists */
+#define DB_NOTAUTH     0x08    /* must not update authoritative data */
+#define DB_NOHINTS      0x10   /* don't reflect update in fcachetab */
+
+#define DB_Z_CACHE      (0)    /* cache-zone-only db_dump()  */
+#define DB_Z_ALL        (-1)   /* normal db_dump() */

 
 /*
  * Error return codes
 
 /*
  * Error return codes


@@ -69,17 +94,21 @@ struct hashbuf {
 #define NOTYPE         -3
 #define NODATA         -4
 #define DATAEXISTS     -5
 #define NOTYPE         -3
 #define NODATA         -4
 #define DATAEXISTS     -5

-#define NODBFILE               -6
+#define NODBFILE       -6

 #define TOOMANYZONES   -7
 #define GOODDB         -8
 #define NEWDB          -9
 #define TOOMANYZONES   -7
 #define GOODDB         -8
 #define NEWDB          -9

+#define AUTH           -10

 
 extern struct hashbuf *hashtab;                /* root hash table */
 extern struct invbuf *invtab[];                /* inverse hash table */
 
 extern struct hashbuf *hashtab;                /* root hash table */
 extern struct invbuf *invtab[];                /* inverse hash table */

+extern struct hashbuf *fcachetab;      /* hash table for cache read from file*/

 
 extern struct namebuf *nlookup();
 extern struct namebuf *savename();
 extern struct databuf *savedata();
 
 extern struct namebuf *nlookup();
 extern struct namebuf *savename();
 extern struct databuf *savedata();

+extern struct databuf *rm_datum();

 extern struct hashbuf *savehash();
 extern struct invbuf *saveinv();
 extern char *savestr();
 extern struct hashbuf *savehash();
 extern struct invbuf *saveinv();
 extern char *savestr();

+extern char *malloc(), *realloc(), *calloc();