/* Get address information.
- Copyright (C) 1996-2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+ Copyright (C) 1996-2002, 2003, 2004, 2005, 2006, 2008
+ Free Software Foundation, Inc.
Contributed by Simon Josefsson <simon@josefsson.org>.
This program is free software; you can redistribute it and/or modify
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
#ifndef GETADDRINFO_H
-# define GETADDRINFO_H
+#define GETADDRINFO_H
/* sys/socket.h in i386-unknown-freebsd4.10 and
powerpc-apple-darwin5.5 require sys/types.h, so include it first.
Then we'll also get 'socklen_t' and 'struct sockaddr' which are
used below. */
-# include <sys/types.h>
+#include <sys/types.h>
/* Get all getaddrinfo related declarations, if available. */
-# include <sys/socket.h>
+#include <sys/socket.h>
#ifdef HAVE_NETDB_H
# include <netdb.h>
#endif
-# ifndef HAVE_STRUCT_ADDRINFO
+#ifndef HAVE_STRUCT_ADDRINFO
/* Structure to contain information about address of a service provider. */
struct addrinfo
char *ai_canonname; /* Canonical name for service location. */
struct addrinfo *ai_next; /* Pointer to next in list. */
};
-# endif
+#endif
/* Possible values for `ai_flags' field in `addrinfo' structure. */
-# ifndef AI_CANONNAME
-# define AI_CANONNAME 0x0002 /* Request for canonical name. */
-# endif
+#ifndef AI_PASSIVE
+# define AI_PASSIVE 0x0001 /* Socket address is intended for `bind'. */
+#endif
+#ifndef AI_CANONNAME
+# define AI_CANONNAME 0x0002 /* Request for canonical name. */
+#endif
#ifndef AI_NUMERICSERV
-# define AI_NUMERICSERV 0x0400 /* Don't use name resolution. */
-# endif
+# define AI_NUMERICSERV 0x0400 /* Don't use name resolution. */
+#endif
+
#if 0
/* The commented out definitions below are not yet implemented in the
GNULIB getaddrinfo() replacement, so are not yet needed and may, in fact,
define them.
If they are restored, be sure to protect the definitions with #ifndef. */
-#define AI_PASSIVE 0x0001 /* Socket address is intended for `bind'. */
#define AI_NUMERICHOST 0x0004 /* Don't use name resolution. */
#define AI_V4MAPPED 0x0008 /* IPv4 mapped addresses are acceptable. */
#define AI_ALL 0x0010 /* Return IPv4 mapped and IPv6 addresses. */
#endif /* 0 */
/* Error values for `getaddrinfo' function. */
-# ifndef EAI_BADFLAGS
-# define EAI_BADFLAGS -1 /* Invalid value for `ai_flags' field. */
-# define EAI_NONAME -2 /* NAME or SERVICE is unknown. */
-# define EAI_AGAIN -3 /* Temporary failure in name resolution. */
-# define EAI_FAIL -4 /* Non-recoverable failure in name res. */
-# define EAI_NODATA -5 /* No address associated with NAME. */
-# define EAI_FAMILY -6 /* `ai_family' not supported. */
-# define EAI_SOCKTYPE -7 /* `ai_socktype' not supported. */
-# define EAI_SERVICE -8 /* SERVICE not supported for `ai_socktype'. */
-# define EAI_MEMORY -10 /* Memory allocation failure. */
+#ifndef EAI_BADFLAGS
+# define EAI_BADFLAGS -1 /* Invalid value for `ai_flags' field. */
+# define EAI_NONAME -2 /* NAME or SERVICE is unknown. */
+# define EAI_AGAIN -3 /* Temporary failure in name resolution. */
+# define EAI_FAIL -4 /* Non-recoverable failure in name res. */
+# define EAI_NODATA -5 /* No address associated with NAME. */
+# define EAI_FAMILY -6 /* `ai_family' not supported. */
+# define EAI_SOCKTYPE -7 /* `ai_socktype' not supported. */
+# define EAI_SERVICE -8 /* SERVICE not supported for `ai_socktype'. */
+# define EAI_MEMORY -10 /* Memory allocation failure. */
+#endif
+
+/* Since EAI_NODATA is deprecated by RFC3493, some systems (at least
+ FreeBSD, which does define EAI_BADFLAGS) have removed the definition
+ in favor of EAI_NONAME. */
+#if !defined EAI_NODATA && defined EAI_NONAME
+# define EAI_NODATA EAI_NONAME
#endif
+
#ifndef EAI_OVERFLOW
/* Not defined on mingw32. */
-# define EAI_OVERFLOW -12 /* Argument buffer overflow. */
+# define EAI_OVERFLOW -12 /* Argument buffer overflow. */
#endif
-# ifndef EAI_ADDRFAMILY
+#ifndef EAI_ADDRFAMILY
/* Not defined on mingw32. */
-# define EAI_ADDRFAMILY -9 /* Address family for NAME not supported. */
-# endif
-# ifndef EAI_SYSTEM
+# define EAI_ADDRFAMILY -9 /* Address family for NAME not supported. */
+#endif
+#ifndef EAI_SYSTEM
/* Not defined on mingw32. */
-# define EAI_SYSTEM -11 /* System error returned in `errno'. */
-# endif
+# define EAI_SYSTEM -11 /* System error returned in `errno'. */
+#endif
-# ifdef __USE_GNU
-# ifndef EAI_INPROGRESS
-# define EAI_INPROGRESS -100 /* Processing request in progress. */
-# define EAI_CANCELED -101 /* Request canceled. */
-# define EAI_NOTCANCELED -102 /* Request not canceled. */
-# define EAI_ALLDONE -103 /* All requests done. */
-# define EAI_INTR -104 /* Interrupted by a signal. */
-# define EAI_IDN_ENCODE -105 /* IDN encoding failed. */
-# endif
+#ifdef __USE_GNU
+# ifndef EAI_INPROGRESS
+# define EAI_INPROGRESS -100 /* Processing request in progress. */
+# define EAI_CANCELED -101 /* Request canceled. */
+# define EAI_NOTCANCELED -102 /* Request not canceled. */
+# define EAI_ALLDONE -103 /* All requests done. */
+# define EAI_INTR -104 /* Interrupted by a signal. */
+# define EAI_IDN_ENCODE -105 /* IDN encoding failed. */
# endif
+#endif
-# if !HAVE_DECL_GETADDRINFO
+#if !HAVE_DECL_GETADDRINFO
/* Translate name of a service location and/or a service name to set of
socket addresses.
For more details, see the POSIX:2001 specification
const char *restrict servname,
const struct addrinfo *restrict hints,
struct addrinfo **restrict res);
-# endif
+#endif
-# if !HAVE_DECL_FREEADDRINFO
+#if !HAVE_DECL_FREEADDRINFO
/* Free `addrinfo' structure AI including associated storage.
For more details, see the POSIX:2001 specification
<http://www.opengroup.org/susv3xsh/getaddrinfo.html>. */
extern void freeaddrinfo (struct addrinfo *ai);
-# endif
+#endif
-# if !HAVE_DECL_GAI_STRERROR
+#if !HAVE_DECL_GAI_STRERROR
/* Convert error return from getaddrinfo() to a string.
For more details, see the POSIX:2001 specification
<http://www.opengroup.org/susv3xsh/gai_strerror.html>. */
extern const char *gai_strerror (int ecode);
-# endif
+#endif
-# if !HAVE_DECL_GETNAMEINFO
+#if !HAVE_DECL_GETNAMEINFO
/* Convert socket address to printable node and service names.
For more details, see the POSIX:2001 specification
<http://www.opengroup.org/susv3xsh/getnameinfo.html>. */
char *restrict service, socklen_t servicelen,
int flags);
-# endif
+#endif
/* Possible flags for getnameinfo. */
-# ifndef NI_NUMERICHOST
-# define NI_NUMERICHOST 1
-# endif
-# ifndef NI_NUMERICSERV
-# define NI_NUMERICSERV 2
-# endif
+#ifndef NI_NUMERICHOST
+# define NI_NUMERICHOST 1
+#endif
+#ifndef NI_NUMERICSERV
+# define NI_NUMERICSERV 2
+#endif
#endif /* GETADDRINFO_H */