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-rw-r--r--ext/socket/addrinfo.h172
1 files changed, 172 insertions, 0 deletions
diff --git a/ext/socket/addrinfo.h b/ext/socket/addrinfo.h
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+++ b/ext/socket/addrinfo.h
@@ -0,0 +1,172 @@
+/*
+ * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the project 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 BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef ADDR_INFO_H
+#define ADDR_INFO_H
+#ifndef HAVE_GETADDRINFO
+
+/* special compatibility hack */
+#undef EAI_ADDRFAMILY
+#undef EAI_AGAIN
+#undef EAI_BADFLAGS
+#undef EAI_FAIL
+#undef EAI_FAMILY
+#undef EAI_MEMORY
+#undef EAI_NODATA
+#undef EAI_NONAME
+#undef EAI_SERVICE
+#undef EAI_SOCKTYPE
+#undef EAI_SYSTEM
+#undef EAI_BADHINTS
+#undef EAI_PROTOCOL
+#undef EAI_MAX
+
+#undef AI_PASSIVE
+#undef AI_CANONNAME
+#undef AI_NUMERICHOST
+#undef AI_ALL
+#undef AI_ADDRCONFIG
+#undef AI_V4MAPPED
+#undef AI_DEFAULT
+
+#undef NI_NOFQDN
+#undef NI_NUMERICHOST
+#undef NI_NAMEREQD
+#undef NI_NUMERICSERV
+#undef NI_DGRAM
+
+#define addrinfo addrinfo__compat
+#define getaddrinfo getaddrinfo__compat
+#define getnameinfo getnameinfo__compat
+#define freehostent freehostent__compat
+#define freeaddrinfo freeaddrinfo__compat
+
+#ifndef __P
+# ifdef HAVE_PROTOTYPES
+# define __P(args) args
+# else
+# define __P(args) ()
+# endif
+#endif
+
+/* special compatibility hack -- end*/
+
+
+/*
+ * Error return codes from getaddrinfo()
+ */
+#define EAI_ADDRFAMILY 1 /* address family for hostname not supported */
+#define EAI_AGAIN 2 /* temporary failure in name resolution */
+#define EAI_BADFLAGS 3 /* invalid value for ai_flags */
+#define EAI_FAIL 4 /* non-recoverable failure in name resolution */
+#define EAI_FAMILY 5 /* ai_family not supported */
+#define EAI_MEMORY 6 /* memory allocation failure */
+#define EAI_NODATA 7 /* no address associated with hostname */
+#define EAI_NONAME 8 /* hostname nor servname provided, or not known */
+#define EAI_SERVICE 9 /* servname not supported for ai_socktype */
+#define EAI_SOCKTYPE 10 /* ai_socktype not supported */
+#define EAI_SYSTEM 11 /* system error returned in errno */
+#define EAI_BADHINTS 12
+#define EAI_PROTOCOL 13
+#define EAI_MAX 14
+
+/*
+ * Flag values for getaddrinfo()
+ */
+#define AI_PASSIVE 0x00000001 /* get address to use bind() */
+#define AI_CANONNAME 0x00000002 /* fill ai_canonname */
+#define AI_NUMERICHOST 0x00000004 /* prevent name resolution */
+/* valid flags for addrinfo */
+#define AI_MASK (AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST)
+
+#define AI_ALL 0x00000100 /* IPv6 and IPv4-mapped (with AI_V4MAPPED) */
+#define AI_V4MAPPED_CFG 0x00000200 /* accept IPv4-mapped if kernel supports */
+#define AI_ADDRCONFIG 0x00000400 /* only if any address is assigned */
+#define AI_V4MAPPED 0x00000800 /* accept IPv4-mapped IPv6 address */
+/* special recommended flags for getipnodebyname */
+#define AI_DEFAULT (AI_V4MAPPED_CFG | AI_ADDRCONFIG)
+
+/*
+ * Constants for getnameinfo()
+ */
+#define NI_MAXHOST 1025
+#define NI_MAXSERV 32
+
+/*
+ * Flag values for getnameinfo()
+ */
+#define NI_NOFQDN 0x00000001
+#define NI_NUMERICHOST 0x00000002
+#define NI_NAMEREQD 0x00000004
+#define NI_NUMERICSERV 0x00000008
+#define NI_DGRAM 0x00000010
+
+#ifdef NT
+#define IN_EXPERIMENTAL(x) 0
+#define IN_LOOPBACKNET 0
+#endif
+
+struct addrinfo {
+ int ai_flags; /* AI_PASSIVE, AI_CANONNAME */
+ int ai_family; /* PF_xxx */
+ int ai_socktype; /* SOCK_xxx */
+ int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
+ size_t ai_addrlen; /* length of ai_addr */
+ char *ai_canonname; /* canonical name for hostname */
+ struct sockaddr *ai_addr; /* binary address */
+ struct addrinfo *ai_next; /* next structure in linked list */
+};
+
+extern int getaddrinfo __P((
+ const char *hostname, const char *servname,
+ const struct addrinfo *hints,
+ struct addrinfo **res));
+
+extern int getnameinfo __P((
+ const struct sockaddr *sa,
+ size_t salen,
+ char *host,
+ size_t hostlen,
+ char *serv,
+ size_t servlen,
+ int flags));
+
+extern void freehostent __P((struct hostent *));
+extern void freeaddrent __P((struct addrinfo *));
+extern char *gai_strerror __P((int));
+
+/* In case there is no definition of offsetof() provided - though any proper
+Standard C system should have one. */
+
+#ifndef offsetof
+#define offsetof(p_type,field) ((size_t)&(((p_type *)0)->field))
+#endif
+
+#endif
+#endif