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root/svn/ircd-hybrid/trunk/include/irc_res.h

Comparing ircd-hybrid/trunk/include/irc_res.h (file contents):
Revision 2934 by michael, Sat Oct 27 21:02:32 2012 UTC vs.
Revision 2935 by michael, Sun Jan 26 11:16:40 2014 UTC

#	Line 1 | Line 1
1		/*
2	<	* include/irc_res.h for referencing functions in src/irc_res.c
2	>	*  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3		*
4	<	* $Id$
4	>	*  Copyright (c) 1997-2014 ircd-hybrid development team
5	>	*
6	>	*  This program is free software; you can redistribute it and/or modify
7	>	*  it under the terms of the GNU General Public License as published by
8	>	*  the Free Software Foundation; either version 2 of the License, or
9	>	*  (at your option) any later version.
10	>	*
11	>	*  This program is distributed in the hope that it will be useful,
12	>	*  but WITHOUT ANY WARRANTY; without even the implied warranty of
13	>	*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14	>	*  GNU General Public License for more details.
15	>	*
16	>	*  You should have received a copy of the GNU General Public License
17	>	*  along with this program; if not, write to the Free Software
18	>	*  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
19	>	*  USA
20	>	*/
21	>
22	>	/*! \file irc_res.h
23	>	* \brief ircd resolver functions
24	>	* \version $Id$
25		*/
26
27		#ifndef INCLUDED_irc_res_h
#	Line 15 | Line 35 | struct Client; /* XXX */
35		#define NS_NOTIFY_OP 4
36		#define NS_INT16SZ 2
37		#define NS_IN6ADDRSZ    16
38	<	#define NS_INADDRSZ      4
38	>	#define NS_INADDRSZ     4
39		#define NS_INT32SZ 4
40		#define NS_CMPRSFLGS    0xc0
41		#define NS_MAXCDNAME 255
#	Line 35 | Line 55 | struct Client; /* XXX */
55		#define HFIXEDSZ 12
56
57
38	–
58		typedef struct
59		{
60	<	unsigned        id :16;         /* query identification number */
60	>	unsigned  id :16;     /* query identification number */
61		#ifdef WORDS_BIGENDIAN
62	<	/* fields in third byte */
63	<	unsigned        qr: 1;          /* response flag */
64	<	unsigned        opcode: 4;      /* purpose of message */
65	<	unsigned        aa: 1;          /* authoritive answer */
66	<	unsigned        tc: 1;          /* truncated message */
67	<	unsigned        rd: 1;          /* recursion desired */
68	<	/* fields in fourth byte */
69	<	unsigned        ra: 1;          /* recursion available */
70	<	unsigned        unused :1;      /* unused bits (MBZ as of 4.9.3a3) */
71	<	unsigned        ad: 1;          /* authentic data from named */
72	<	unsigned        cd: 1;          /* checking disabled by resolver */
73	<	unsigned        rcode :4;       /* response code */
62	>	/* fields in third byte */
63	>	unsigned  qr: 1;      /* response flag */
64	>	unsigned  opcode: 4;  /* purpose of message */
65	>	unsigned  aa: 1;      /* authoritive answer */
66	>	unsigned  tc: 1;      /* truncated message */
67	>	unsigned  rd: 1;      /* recursion desired */
68	>
69	>	/* fields in fourth byte */
70	>	unsigned  ra: 1;      /* recursion available */
71	>	unsigned  unused :1;  /* unused bits (MBZ as of 4.9.3a3) */
72	>	unsigned  ad: 1;      /* authentic data from named */
73	>	unsigned  cd: 1;      /* checking disabled by resolver */
74	>	unsigned  rcode :4;   /* response code */
75		#else
76	<	/* fields in third byte */
77	<	unsigned        rd :1;          /* recursion desired */
78	<	unsigned        tc :1;          /* truncated message */
79	<	unsigned        aa :1;          /* authoritive answer */
80	<	unsigned        opcode :4;      /* purpose of message */
81	<	unsigned        qr :1;          /* response flag */
82	<	/* fields in fourth byte */
83	<	unsigned        rcode :4;       /* response code */
84	<	unsigned        cd: 1;          /* checking disabled by resolver */
85	<	unsigned        ad: 1;          /* authentic data from named */
86	<	unsigned        unused :1;      /* unused bits (MBZ as of 4.9.3a3) */
87	<	unsigned        ra :1;          /* recursion available */
76	>	/* fields in third byte */
77	>	unsigned  rd :1;      /* recursion desired */
78	>	unsigned  tc :1;      /* truncated message */
79	>	unsigned  aa :1;      /* authoritive answer */
80	>	unsigned  opcode :4;  /* purpose of message */
81	>	unsigned  qr :1;      /* response flag */
82	>
83	>	/* fields in fourth byte */
84	>	unsigned  rcode :4;   /* response code */
85	>	unsigned  cd: 1;      /* checking disabled by resolver */
86	>	unsigned  ad: 1;      /* authentic data from named */
87	>	unsigned  unused :1;  /* unused bits (MBZ as of 4.9.3a3) */
88	>	unsigned  ra :1;      /* recursion available */
89		#endif
90	<	/* remaining bytes */
91	<	unsigned        qdcount :16;    /* number of question entries */
92	<	unsigned        ancount :16;    /* number of answer entries */
93	<	unsigned        nscount :16;    /* number of authority entries */
94	<	unsigned        arcount :16;    /* number of resource entries */
90	>	/* remaining bytes */
91	>	unsigned  qdcount :16; /* number of question entries */
92	>	unsigned  ancount :16; /* number of answer entries */
93	>	unsigned  nscount :16; /* number of authority entries */
94	>	unsigned  arcount :16; /* number of resource entries */
95		} HEADER;
96
97		typedef void (*dns_callback_fnc)(void *, const struct irc_ssaddr *, const char *);

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