/* Provide a netdb.h header file for systems lacking it (read: MinGW).
- Copyright (C) 2008 Free Software Foundation, Inc.
+ Copyright (C) 2008-2014 Free Software Foundation, Inc.
Written by Simon Josefsson.
This program is free software; you can redistribute it and/or modify
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+ along with this program; if not, see <http://www.gnu.org/licenses/>. */
/* This file is supposed to be used on platforms that lack <netdb.h>.
It is intended to provide definitions and prototypes needed by an
application. */
-#ifndef _GL_NETDB_H
+#ifndef _@GUARD_PREFIX@_NETDB_H
-#if @HAVE_NETDB_H@
-
-# if __GNUC__ >= 3
+#if __GNUC__ >= 3
@PRAGMA_SYSTEM_HEADER@
-# endif
+#endif
+@PRAGMA_COLUMNS@
+
+#if @HAVE_NETDB_H@
/* The include_next requires a split double-inclusion guard. */
# @INCLUDE_NEXT@ @NEXT_NETDB_H@
#endif
-#ifndef _GL_NETDB_H
-#define _GL_NETDB_H
+#ifndef _@GUARD_PREFIX@_NETDB_H
+#define _@GUARD_PREFIX@_NETDB_H
-#if @HAVE_NETDB_H@
+/* Get <netdb.h> definitions such as 'socklen_t' on IRIX 6.5 and OSF/1 4.0 and
+ 'struct hostent' on MinGW. */
+#include <sys/socket.h>
-/* Declarations for a platform that has <netdb.h>. */
+/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
-#else
+/* The definition of _GL_ARG_NONNULL is copied here. */
-/* Get netdb.h definitions such as struct hostent for MinGW. */
-#include <sys/socket.h>
+/* The definition of _GL_WARN_ON_USE is copied here. */
+
+/* Declarations for a platform that lacks <netdb.h>, or where it is
+ incomplete. */
+
+#if @GNULIB_GETADDRINFO@
+
+# if !@HAVE_STRUCT_ADDRINFO@
+
+# ifdef __cplusplus
+extern "C" {
+# endif
+
+# if !GNULIB_defined_struct_addrinfo
+/* Structure to contain information about address of a service provider. */
+struct addrinfo
+{
+ int ai_flags; /* Input flags. */
+ int ai_family; /* Protocol family for socket. */
+ int ai_socktype; /* Socket type. */
+ int ai_protocol; /* Protocol for socket. */
+ socklen_t ai_addrlen; /* Length of socket address. */
+ struct sockaddr *ai_addr; /* Socket address for socket. */
+ char *ai_canonname; /* Canonical name for service location. */
+ struct addrinfo *ai_next; /* Pointer to next in list. */
+};
+# define GNULIB_defined_struct_addrinfo 1
+# endif
+
+# ifdef __cplusplus
+}
+# endif
+
+# endif
+
+/* Possible values for 'ai_flags' field in 'addrinfo' structure. */
+# 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
+
+# if 0
+# define AI_NUMERICHOST 0x0004 /* Don't use name resolution. */
+# endif
+
+/* These symbolic constants are required to be present by POSIX, but
+ our getaddrinfo replacement doesn't use them (yet). Setting them
+ to 0 on systems that doesn't have them avoids causing problems for
+ system getaddrinfo implementations that would be confused by
+ unknown values. */
+# ifndef AI_V4MAPPED
+# define AI_V4MAPPED 0 /* 0x0008: IPv4 mapped addresses are acceptable. */
+# endif
+# ifndef AI_ALL
+# define AI_ALL 0 /* 0x0010: Return IPv4 mapped and IPv6 addresses. */
+# endif
+# ifndef AI_ADDRCONFIG
+# define AI_ADDRCONFIG 0 /* 0x0020: Use configuration of this host to choose
+ returned address type. */
+# endif
+
+/* 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. */
+# endif
-/* Declarations for a platform that lacks <netdb.h>. */
+/* 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 and Haiku. */
+# define EAI_OVERFLOW -12 /* Argument buffer overflow. */
+# endif
+# ifndef EAI_ADDRFAMILY
+/* Not defined on mingw32. */
+# 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
+
+# if 0
+/* The commented out definitions below are not yet implemented in the
+ GNULIB getaddrinfo() replacement, so are not yet needed.
+
+ If they are restored, be sure to protect the definitions with #ifndef. */
+# 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
-#endif /* HAVE_NETDB_H */
+# 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
+ <http://www.opengroup.org/susv3xsh/getaddrinfo.html>. */
+_GL_FUNCDECL_SYS (getaddrinfo, int,
+ (const char *restrict nodename,
+ const char *restrict servname,
+ const struct addrinfo *restrict hints,
+ struct addrinfo **restrict res)
+ _GL_ARG_NONNULL ((4)));
+# endif
+_GL_CXXALIAS_SYS (getaddrinfo, int,
+ (const char *restrict nodename,
+ const char *restrict servname,
+ const struct addrinfo *restrict hints,
+ struct addrinfo **restrict res));
+_GL_CXXALIASWARN (getaddrinfo);
+
+# 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>. */
+_GL_FUNCDECL_SYS (freeaddrinfo, void, (struct addrinfo *ai)
+ _GL_ARG_NONNULL ((1)));
+# endif
+_GL_CXXALIAS_SYS (freeaddrinfo, void, (struct addrinfo *ai));
+_GL_CXXALIASWARN (freeaddrinfo);
+
+# if @REPLACE_GAI_STRERROR@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef gai_strerror
+# define gai_strerror rpl_gai_strerror
+# endif
+_GL_FUNCDECL_RPL (gai_strerror, const char *, (int ecode));
+_GL_CXXALIAS_RPL (gai_strerror, const char *, (int ecode));
+# else
+# 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>. */
+_GL_FUNCDECL_SYS (gai_strerror, const char *, (int ecode));
+# endif
+_GL_CXXALIAS_SYS (gai_strerror, const char *, (int ecode));
+# endif
+_GL_CXXALIASWARN (gai_strerror);
+
+# 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>. */
+_GL_FUNCDECL_SYS (getnameinfo, int,
+ (const struct sockaddr *restrict sa, socklen_t salen,
+ char *restrict node, socklen_t nodelen,
+ char *restrict service, socklen_t servicelen,
+ int flags)
+ _GL_ARG_NONNULL ((1)));
+# endif
+/* Need to cast, because on glibc systems, the seventh parameter is
+ unsigned int flags. */
+_GL_CXXALIAS_SYS_CAST (getnameinfo, int,
+ (const struct sockaddr *restrict sa, socklen_t salen,
+ char *restrict node, socklen_t nodelen,
+ char *restrict service, socklen_t servicelen,
+ int flags));
+_GL_CXXALIASWARN (getnameinfo);
+
+/* Possible flags for getnameinfo. */
+# ifndef NI_NUMERICHOST
+# define NI_NUMERICHOST 1
+# endif
+# ifndef NI_NUMERICSERV
+# define NI_NUMERICSERV 2
+# endif
+
+#elif defined GNULIB_POSIXCHECK
+
+# undef getaddrinfo
+# if HAVE_RAW_DECL_GETADDRINFO
+_GL_WARN_ON_USE (getaddrinfo, "getaddrinfo is unportable - "
+ "use gnulib module getaddrinfo for portability");
+# endif
+
+# undef freeaddrinfo
+# if HAVE_RAW_DECL_FREEADDRINFO
+_GL_WARN_ON_USE (freeaddrinfo, "freeaddrinfo is unportable - "
+ "use gnulib module getaddrinfo for portability");
+# endif
+
+# undef gai_strerror
+# if HAVE_RAW_DECL_GAI_STRERROR
+_GL_WARN_ON_USE (gai_strerror, "gai_strerror is unportable - "
+ "use gnulib module getaddrinfo for portability");
+# endif
+
+# undef getnameinfo
+# if HAVE_RAW_DECL_GETNAMEINFO
+_GL_WARN_ON_USE (getnameinfo, "getnameinfo is unportable - "
+ "use gnulib module getaddrinfo for portability");
+# endif
+
+#endif
-#endif /* _GL_NETDB_H */
-#endif /* _GL_NETDB_H */
+#endif /* _@GUARD_PREFIX@_NETDB_H */
+#endif /* _@GUARD_PREFIX@_NETDB_H */
projects / gnulib.git / blobdiff