/* Get address information.
- Copyright (C) 1996-2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+ Copyright (C) 1996-2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
Contributed by Simon Josefsson <simon@josefsson.org>.
This program is free software; you can redistribute it and/or modify
#ifndef GETADDRINFO_H
# define GETADDRINFO_H
-/* Get getaddrinfo declarations, if available. Also get 'socklen_t',
- and 'struct sockaddr' via sys/types.h which are used below. */
+/* 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>
+/* Get all getaddrinfo related declarations, if available. */
# include <sys/socket.h>
+#ifdef HAVE_NETDB_H
# include <netdb.h>
+#endif
-# if defined HAVE_GETADDRINFO && !HAVE_GETADDRINFO
+# 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
/* Possible values for `ai_flags' field in `addrinfo' structure. */
-# define AI_PASSIVE 0x0001 /* Socket address is intended for `bind'. */
-# define AI_CANONNAME 0x0002 /* Request for canonical name. */
-# 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. */
-# define AI_ADDRCONFIG 0x0020 /* Use configuration of this host to choose
+# ifndef AI_PASSIVE
+# define AI_PASSIVE 0x0001 /* Socket address is intended for `bind'. */
+# define AI_CANONNAME 0x0002 /* Request for canonical name. */
+# 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. */
+# define AI_ADDRCONFIG 0x0020 /* Use configuration of this host to choose
returned address type.. */
+# endif
/* Error values for `getaddrinfo' function. */
-# 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_ADDRFAMILY -9 /* Address family for NAME not supported. */
-# define EAI_MEMORY -10 /* Memory allocation failure. */
-# define EAI_SYSTEM -11 /* System error returned in `errno'. */
-# define EAI_OVERFLOW -12 /* Argument buffer overflow. */
+# 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. */
+# define EAI_OVERFLOW -12 /* Argument buffer overflow. */
+#endif
+# ifndef EAI_ADDRFAMILY
+/* Not defined on mingw32. XXX May be incorrect? Perhaps it is never
+ returned? */
+# define EAI_ADDRFAMILY -9 /* Address family for NAME not supported. */
+# endif
+# ifndef EAI_SYSTEM
+/* Not defined on mingw32. XXX May be incorrect? Perhaps it is never
+ returned? */
+# define EAI_SYSTEM -11 /* System error returned in `errno'. */
+# endif
+
# ifdef __USE_GNU
-# 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. */
+# 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
/* Translate name of a service location and/or a service name to set of
- socket addresses. */
+ socket addresses.
+ For more details, see the POSIX:2001 specification
+ <http://www.opengroup.org/susv3xsh/getaddrinfo.html>. */
extern int getaddrinfo (const char *restrict nodename,
const char *restrict servname,
const struct addrinfo *restrict hints,
struct addrinfo **restrict res);
+# endif
-/* Free `addrinfo' structure AI including associated storage. */
+# 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
-/* Convert error return from getaddrinfo() to a string. */
+# 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 /* GETADDRINFO_H */
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