external/bsd/bind/dist/contrib/queryperf/missing/addrinfo.h

   1 /*      $NetBSD: addrinfo.h,v 1.3 2014/12/10 04:37:56 christos Exp $    */
   2
   3 /*
   4  * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the project nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  */
  31
  32 #ifndef HAVE_GETADDRINFO
  33
  34 /*
  35  * Error return codes from getaddrinfo()
  36  */
  37 #define EAI_ADDRFAMILY   1      /* address family for hostname not supported */
  38 #define EAI_AGAIN        2      /* temporary failure in name resolution */
  39 #define EAI_BADFLAGS     3      /* invalid value for ai_flags */
  40 #define EAI_FAIL         4      /* non-recoverable failure in name resolution */
  41 #define EAI_FAMILY       5      /* ai_family not supported */
  42 #define EAI_MEMORY       6      /* memory allocation failure */
  43 #define EAI_NODATA       7      /* no address associated with hostname */
  44 #define EAI_NONAME       8      /* hostname nor servname provided, or not known */
  45 #define EAI_SERVICE      9      /* servname not supported for ai_socktype */
  46 #define EAI_SOCKTYPE    10      /* ai_socktype not supported */
  47 #define EAI_SYSTEM      11      /* system error returned in errno */
  48 #define EAI_BADHINTS    12
  49 #define EAI_PROTOCOL    13
  50 #define EAI_MAX         14
  51
  52 /*
  53  * Flag values for getaddrinfo()
  54  */
  55 #define AI_PASSIVE      0x00000001 /* get address to use bind() */
  56 #define AI_CANONNAME    0x00000002 /* fill ai_canonname */
  57 #define AI_NUMERICHOST  0x00000004 /* prevent name resolution */
  58 /* valid flags for addrinfo */
  59 #define AI_MASK         (AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST)
  60
  61 #define AI_ALL          0x00000100 /* IPv6 and IPv4-mapped (with AI_V4MAPPED) */
  62 #define AI_V4MAPPED_CFG 0x00000200 /* accept IPv4-mapped if kernel supports */
  63 #define AI_ADDRCONFIG   0x00000400 /* only if any address is assigned */
  64 #define AI_V4MAPPED     0x00000800 /* accept IPv4-mapped IPv6 address */
  65 /* special recommended flags for getipnodebyname */
  66 #define AI_DEFAULT      (AI_V4MAPPED_CFG | AI_ADDRCONFIG)
  67
  68 /*
  69  * Constants for getnameinfo()
  70  */
  71 #define NI_MAXHOST      1025
  72 #define NI_MAXSERV      32
  73
  74 /*
  75  * Flag values for getnameinfo()
  76  */
  77 #define NI_NOFQDN       0x00000001
  78 #define NI_NUMERICHOST  0x00000002
  79 #define NI_NAMEREQD     0x00000004
  80 #define NI_NUMERICSERV  0x00000008
  81 #define NI_DGRAM        0x00000010
  82
  83 struct addrinfo {
  84         int     ai_flags;       /* AI_PASSIVE, AI_CANONNAME */
  85         int     ai_family;      /* PF_xxx */
  86         int     ai_socktype;    /* SOCK_xxx */
  87         int     ai_protocol;    /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
  88         size_t  ai_addrlen;     /* length of ai_addr */
  89         char    *ai_canonname;  /* canonical name for hostname */
  90         struct sockaddr *ai_addr;       /* binary address */
  91         struct addrinfo *ai_next;       /* next structure in linked list */
  92 };
  93
  94 struct sockaddr_storage {
  95         u_char __ss_len;
  96         u_char __ss_family;
  97         u_char fill[126];
  98 };
  99
 100 extern void freehostent(struct hostent *);
 101 extern char *gai_strerror(int);
 102 #endif