BSD 4_3_Reno release

[unix-history] / usr / src / include / arpa / nameser.h

diff --git a/usr/src/include/arpa/nameser.h b/usr/src/include/arpa/nameser.h
index d53741d..0275cde 100644 (file)
--- a/usr/src/include/arpa/nameser.h
+++ b/usr/src/include/arpa/nameser.h
@@ -1,20 +1,22 @@
 /*
 /*

- * Copyright (c) 1983 Regents of the University of California.
+ * Copyright (c) 1983, 1989 Regents of the University of California.

  * All rights reserved.
  *
  * Redistribution and use in source and binary forms are permitted
  * 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
+ * provided that: (1) source distributions retain this entire copyright
+ * notice and comment, and (2) distributions including binaries display
+ * the following acknowledgement:  ``This product includes software
+ * developed by the University of California, Berkeley and its contributors''
+ * in the documentation or other materials provided with the distribution
+ * and in all advertising materials mentioning features or use of this
+ * software. Neither the name of the University nor the names of its
+ * contributors may 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
  * 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.
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

  *
  *

- *     @(#)nameser.h   5.18 (Berkeley) 6/27/88
+ *     @(#)nameser.h   5.24 (Berkeley) 6/1/90

  */
 
 /*
  */
 
 /*


@@ -81,6 +83,7 @@
 #define T_HINFO                13              /* host information */
 #define T_MINFO                14              /* mailbox information */
 #define T_MX           15              /* mail routing information */
 #define T_HINFO                13              /* host information */
 #define T_MINFO                14              /* mailbox information */
 #define T_MX           15              /* mail routing information */

+#define T_TXT          16              /* text strings */

        /* non standard */
 #define T_UINFO                100             /* user (finger) information */
 #define T_UID          101             /* user ID */
        /* non standard */
 #define T_UINFO                100             /* user (finger) information */
 #define T_UID          101             /* user ID */


@@ -98,6 +101,7 @@
 
 #define C_IN           1               /* the arpa internet */
 #define C_CHAOS                3               /* for chaos net at MIT */
 
 #define C_IN           1               /* the arpa internet */
 #define C_CHAOS                3               /* for chaos net at MIT */

+#define C_HS           4               /* for Hesiod name server at MIT */

        /* Query class values which do not appear in resource records */
 #define C_ANY          255             /* wildcard match */
 
        /* Query class values which do not appear in resource records */
 #define C_ANY          255             /* wildcard match */
 


@@ -110,6 +114,27 @@
 #define CONV_BADCKSUM -3
 #define CONV_BADBUFLEN -4
 
 #define CONV_BADCKSUM -3
 #define CONV_BADBUFLEN -4
 

+#ifndef BYTE_ORDER
+#define        LITTLE_ENDIAN   1234    /* least-significant byte first (vax) */
+#define        BIG_ENDIAN      4321    /* most-significant byte first (IBM, net) */
+#define        PDP_ENDIAN      3412    /* LSB first in word, MSW first in long (pdp) */
+
+#if defined(vax) || defined(ns32000) || defined(sun386) || defined(MIPSEL) || \
+    defined(BIT_ZERO_ON_RIGHT)
+#define BYTE_ORDER     LITTLE_ENDIAN
+
+#endif
+#if defined(sel) || defined(pyr) || defined(mc68000) || defined(sparc) || \
+    defined(is68k) || defined(tahoe) || defined(ibm032) || defined(ibm370) || \
+    defined(MIPSEB) || defined (BIT_ZERO_ON_LEFT)
+#define BYTE_ORDER     BIG_ENDIAN
+#endif
+#endif /* BYTE_ORDER */
+
+#ifndef BYTE_ORDER
+       /* you must determine what the correct bit order is for your compiler */
+       UNDEFINED_BIT_ORDER;
+#endif

 /*
  * Structure for query header, the order of the fields is machine and
  * compiler dependent, in our case, the bits within a byte are assignd 
 /*
  * Structure for query header, the order of the fields is machine and
  * compiler dependent, in our case, the bits within a byte are assignd 


@@ -119,9 +144,7 @@
 
 typedef struct {
        u_short id;             /* query identification number */
 
 typedef struct {
        u_short id;             /* query identification number */

-#if defined (sun) || defined (sel) || defined (pyr) || defined (is68k) \
-|| defined (tahoe) || defined (BIT_ZERO_ON_LEFT)
-       /* Bit zero on left:  Gould and similar architectures */
+#if BYTE_ORDER == BIG_ENDIAN

                        /* fields in third byte */
        u_char  qr:1;           /* response flag */
        u_char  opcode:4;       /* purpose of message */
                        /* fields in third byte */
        u_char  qr:1;           /* response flag */
        u_char  opcode:4;       /* purpose of message */


@@ -133,9 +156,8 @@ typedef struct {
        u_char  pr:1;           /* primary server required (non standard) */
        u_char  unused:2;       /* unused bits */
        u_char  rcode:4;        /* response code */
        u_char  pr:1;           /* primary server required (non standard) */
        u_char  unused:2;       /* unused bits */
        u_char  rcode:4;        /* response code */

-#else
-#if defined (vax) || defined(ns32000) || defined (BIT_ZERO_ON_RIGHT)
-       /* Bit zero on right:  VAX */
+#endif
+#if BYTE_ORDER == LITTLE_ENDIAN || BYTE_ORDER == PDP_ENDIAN

                        /* fields in third byte */
        u_char  rd:1;           /* recursion desired */
        u_char  tc:1;           /* truncated message */
                        /* fields in third byte */
        u_char  rd:1;           /* recursion desired */
        u_char  tc:1;           /* truncated message */


@@ -147,10 +169,6 @@ typedef struct {
        u_char  unused:2;       /* unused bits */
        u_char  pr:1;           /* primary server required (non standard) */
        u_char  ra:1;           /* recursion available */
        u_char  unused:2;       /* unused bits */
        u_char  pr:1;           /* primary server required (non standard) */
        u_char  ra:1;           /* recursion available */

-#else
-       /* you must determine what the correct bit order is for your compiler */
-       UNDEFINED_BIT_ORDER;
-#endif

 #endif
                        /* remaining bytes */
        u_short qdcount;        /* number of question entries */
 #endif
                        /* remaining bytes */
        u_short qdcount;        /* number of question entries */